avpacket: Replace av_free_packet with av_packet_unref
[ffmpeg.git] / avconv.c
index 4ad01c2..ed0a3dd 100644 (file)
--- a/avconv.c
+++ b/avconv.c
@@ -27,6 +27,8 @@
 #include <errno.h>
 #include <signal.h>
 #include <limits.h>
+#include <stdint.h>
+
 #include "libavformat/avformat.h"
 #include "libavdevice/avdevice.h"
 #include "libswscale/swscale.h"
@@ -35,8 +37,8 @@
 #include "libavutil/channel_layout.h"
 #include "libavutil/parseutils.h"
 #include "libavutil/samplefmt.h"
-#include "libavutil/colorspace.h"
 #include "libavutil/fifo.h"
+#include "libavutil/internal.h"
 #include "libavutil/intreadwrite.h"
 #include "libavutil/dict.h"
 #include "libavutil/mathematics.h"
@@ -48,7 +50,6 @@
 #include "libavformat/os_support.h"
 
 # include "libavfilter/avfilter.h"
-# include "libavfilter/avfiltergraph.h"
 # include "libavfilter/buffersrc.h"
 # include "libavfilter/buffersink.h"
 
@@ -84,10 +85,6 @@ const int program_birth_year = 2000;
 
 static FILE *vstats_file;
 
-static int64_t video_size = 0;
-static int64_t audio_size = 0;
-static int64_t extra_size = 0;
-static int nb_frames_dup = 0;
 static int nb_frames_drop = 0;
 
 
@@ -97,8 +94,6 @@ static int nb_frames_drop = 0;
 static int transcoding_finished;
 #endif
 
-#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
-
 InputStream **input_streams = NULL;
 int        nb_input_streams = 0;
 InputFile   **input_files   = NULL;
@@ -144,48 +139,59 @@ static int decode_interrupt_cb(void *ctx)
 
 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
 
-static void exit_program(void)
+static void avconv_cleanup(int ret)
 {
     int i, j;
 
     for (i = 0; i < nb_filtergraphs; i++) {
-        avfilter_graph_free(&filtergraphs[i]->graph);
-        for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
-            av_freep(&filtergraphs[i]->inputs[j]->name);
-            av_freep(&filtergraphs[i]->inputs[j]);
+        FilterGraph *fg = filtergraphs[i];
+        avfilter_graph_free(&fg->graph);
+        for (j = 0; j < fg->nb_inputs; j++) {
+            av_freep(&fg->inputs[j]->name);
+            av_freep(&fg->inputs[j]);
         }
-        av_freep(&filtergraphs[i]->inputs);
-        for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
-            av_freep(&filtergraphs[i]->outputs[j]->name);
-            av_freep(&filtergraphs[i]->outputs[j]);
+        av_freep(&fg->inputs);
+        for (j = 0; j < fg->nb_outputs; j++) {
+            av_freep(&fg->outputs[j]->name);
+            av_freep(&fg->outputs[j]);
         }
-        av_freep(&filtergraphs[i]->outputs);
+        av_freep(&fg->outputs);
+        av_freep(&fg->graph_desc);
+
         av_freep(&filtergraphs[i]);
     }
     av_freep(&filtergraphs);
 
     /* close files */
     for (i = 0; i < nb_output_files; i++) {
-        AVFormatContext *s = output_files[i]->ctx;
-        if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
+        OutputFile *of = output_files[i];
+        AVFormatContext *s = of->ctx;
+        if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
             avio_close(s->pb);
         avformat_free_context(s);
-        av_dict_free(&output_files[i]->opts);
+        av_dict_free(&of->opts);
+
         av_freep(&output_files[i]);
     }
     for (i = 0; i < nb_output_streams; i++) {
-        AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
+        OutputStream *ost = output_streams[i];
+        AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
         while (bsfc) {
             AVBitStreamFilterContext *next = bsfc->next;
             av_bitstream_filter_close(bsfc);
             bsfc = next;
         }
-        output_streams[i]->bitstream_filters = NULL;
-        avcodec_free_frame(&output_streams[i]->filtered_frame);
+        ost->bitstream_filters = NULL;
+        av_frame_free(&ost->filtered_frame);
+
+        av_parser_close(ost->parser);
+
+        av_freep(&ost->forced_keyframes);
+        av_freep(&ost->avfilter);
+        av_freep(&ost->logfile_prefix);
+
+        avcodec_free_context(&ost->enc_ctx);
 
-        av_freep(&output_streams[i]->forced_keyframes);
-        av_freep(&output_streams[i]->avfilter);
-        av_freep(&output_streams[i]->logfile_prefix);
         av_freep(&output_streams[i]);
     }
     for (i = 0; i < nb_input_files; i++) {
@@ -193,10 +199,16 @@ static void exit_program(void)
         av_freep(&input_files[i]);
     }
     for (i = 0; i < nb_input_streams; i++) {
-        avcodec_free_frame(&input_streams[i]->decoded_frame);
-        av_dict_free(&input_streams[i]->opts);
-        free_buffer_pool(&input_streams[i]->buffer_pool);
-        av_freep(&input_streams[i]->filters);
+        InputStream *ist = input_streams[i];
+
+        av_frame_free(&ist->decoded_frame);
+        av_frame_free(&ist->filter_frame);
+        av_dict_free(&ist->decoder_opts);
+        av_freep(&ist->filters);
+        av_freep(&ist->hwaccel_device);
+
+        avcodec_free_context(&ist->dec_ctx);
+
         av_freep(&input_streams[i]);
     }
 
@@ -211,7 +223,6 @@ static void exit_program(void)
 
     uninit_opts();
 
-    avfilter_uninit();
     avformat_network_deinit();
 
     if (received_sigterm) {
@@ -226,7 +237,7 @@ void assert_avoptions(AVDictionary *m)
     AVDictionaryEntry *t;
     if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
         av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
-        exit(1);
+        exit_program(1);
     }
 }
 
@@ -238,75 +249,16 @@ static void abort_codec_experimental(AVCodec *c, int encoder)
             "results.\nAdd '-strict experimental' if you want to use it.\n",
             codec_string, c->name);
     codec = encoder ? avcodec_find_encoder(c->id) : avcodec_find_decoder(c->id);
-    if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
+    if (!(codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL))
         av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
                codec_string, codec->name);
-    exit(1);
-}
-
-/*
- * Update the requested input sample format based on the output sample format.
- * This is currently only used to request float output from decoders which
- * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
- * Ideally this will be removed in the future when decoders do not do format
- * conversion and only output in their native format.
- */
-static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
-                              AVCodecContext *enc)
-{
-    /* if sample formats match or a decoder sample format has already been
-       requested, just return */
-    if (enc->sample_fmt == dec->sample_fmt ||
-        dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
-        return;
-
-    /* if decoder supports more than one output format */
-    if (dec_codec && dec_codec->sample_fmts &&
-        dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
-        dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
-        const enum AVSampleFormat *p;
-        int min_dec = INT_MAX, min_inc = INT_MAX;
-        enum AVSampleFormat dec_fmt = AV_SAMPLE_FMT_NONE;
-        enum AVSampleFormat inc_fmt = AV_SAMPLE_FMT_NONE;
-
-        /* find a matching sample format in the encoder */
-        for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
-            if (*p == enc->sample_fmt) {
-                dec->request_sample_fmt = *p;
-                return;
-            } else {
-                enum AVSampleFormat dfmt = av_get_packed_sample_fmt(*p);
-                enum AVSampleFormat efmt = av_get_packed_sample_fmt(enc->sample_fmt);
-                int fmt_diff = 32 * abs(dfmt - efmt);
-                if (av_sample_fmt_is_planar(*p) !=
-                    av_sample_fmt_is_planar(enc->sample_fmt))
-                    fmt_diff++;
-                if (dfmt == efmt) {
-                    min_inc = fmt_diff;
-                    inc_fmt = *p;
-                } else if (dfmt > efmt) {
-                    if (fmt_diff < min_inc) {
-                        min_inc = fmt_diff;
-                        inc_fmt = *p;
-                    }
-                } else {
-                    if (fmt_diff < min_dec) {
-                        min_dec = fmt_diff;
-                        dec_fmt = *p;
-                    }
-                }
-            }
-        }
-
-        /* if none match, provide the one that matches quality closest */
-        dec->request_sample_fmt = min_inc != INT_MAX ? inc_fmt : dec_fmt;
-    }
+    exit_program(1);
 }
 
 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
 {
     AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
-    AVCodecContext          *avctx = ost->st->codec;
+    AVCodecContext          *avctx = ost->encoding_needed ? ost->enc_ctx : ost->st->codec;
     int ret;
 
     /*
@@ -318,11 +270,16 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
      */
     if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
         if (ost->frame_number >= ost->max_frames) {
-            av_free_packet(pkt);
+            av_packet_unref(pkt);
             return;
         }
         ost->frame_number++;
     }
+    if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
+        uint8_t *sd = av_packet_get_side_data(pkt, AV_PKT_DATA_QUALITY_FACTOR,
+                                              NULL);
+        ost->quality = sd ? *(int *)sd : -1;
+    }
 
     while (bsfc) {
         AVPacket new_pkt = *pkt;
@@ -331,26 +288,51 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
                                            pkt->data, pkt->size,
                                            pkt->flags & AV_PKT_FLAG_KEY);
         if (a > 0) {
-            av_free_packet(pkt);
-            new_pkt.destruct = av_destruct_packet;
+            av_packet_unref(pkt);
+            new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
+                                           av_buffer_default_free, NULL, 0);
+            if (!new_pkt.buf)
+                exit_program(1);
         } else if (a < 0) {
             av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
                    bsfc->filter->name, pkt->stream_index,
                    avctx->codec ? avctx->codec->name : "copy");
             print_error("", a);
             if (exit_on_error)
-                exit(1);
+                exit_program(1);
         }
         *pkt = new_pkt;
 
         bsfc = bsfc->next;
     }
 
+    if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
+        ost->last_mux_dts != AV_NOPTS_VALUE &&
+        pkt->dts < ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT)) {
+        av_log(NULL, AV_LOG_WARNING, "Non-monotonous DTS in output stream "
+               "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
+               ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
+        if (exit_on_error) {
+            av_log(NULL, AV_LOG_FATAL, "aborting.\n");
+            exit_program(1);
+        }
+        av_log(NULL, AV_LOG_WARNING, "changing to %"PRId64". This may result "
+               "in incorrect timestamps in the output file.\n",
+               ost->last_mux_dts + 1);
+        pkt->dts = ost->last_mux_dts + 1;
+        if (pkt->pts != AV_NOPTS_VALUE)
+            pkt->pts = FFMAX(pkt->pts, pkt->dts);
+    }
+    ost->last_mux_dts = pkt->dts;
+
+    ost->data_size += pkt->size;
+    ost->packets_written++;
+
     pkt->stream_index = ost->index;
     ret = av_interleaved_write_frame(s, pkt);
     if (ret < 0) {
         print_error("av_interleaved_write_frame()", ret);
-        exit(1);
+        exit_program(1);
     }
 }
 
@@ -359,7 +341,7 @@ static int check_recording_time(OutputStream *ost)
     OutputFile *of = output_files[ost->file_index];
 
     if (of->recording_time != INT64_MAX &&
-        av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
+        av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
                       AV_TIME_BASE_Q) >= 0) {
         ost->finished = 1;
         return 0;
@@ -370,7 +352,7 @@ static int check_recording_time(OutputStream *ost)
 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
                          AVFrame *frame)
 {
-    AVCodecContext *enc = ost->st->codec;
+    AVCodecContext *enc = ost->enc_ctx;
     AVPacket pkt;
     int got_packet = 0;
 
@@ -378,71 +360,24 @@ static void do_audio_out(AVFormatContext *s, OutputStream *ost,
     pkt.data = NULL;
     pkt.size = 0;
 
-    if (!check_recording_time(ost))
-        return;
-
     if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
         frame->pts = ost->sync_opts;
     ost->sync_opts = frame->pts + frame->nb_samples;
 
+    ost->samples_encoded += frame->nb_samples;
+    ost->frames_encoded++;
+
     if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
         av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
-        exit(1);
+        exit_program(1);
     }
 
     if (got_packet) {
-        if (pkt.pts != AV_NOPTS_VALUE)
-            pkt.pts      = av_rescale_q(pkt.pts,      enc->time_base, ost->st->time_base);
-        if (pkt.dts != AV_NOPTS_VALUE)
-            pkt.dts      = av_rescale_q(pkt.dts,      enc->time_base, ost->st->time_base);
-        if (pkt.duration > 0)
-            pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
-
+        av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
         write_frame(s, &pkt, ost);
-
-        audio_size += pkt.size;
     }
 }
 
-static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
-{
-    AVCodecContext *dec;
-    AVPicture *picture2;
-    AVPicture picture_tmp;
-    uint8_t *buf = 0;
-
-    dec = ist->st->codec;
-
-    /* deinterlace : must be done before any resize */
-    if (do_deinterlace) {
-        int size;
-
-        /* create temporary picture */
-        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
-        buf  = av_malloc(size);
-        if (!buf)
-            return;
-
-        picture2 = &picture_tmp;
-        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
-
-        if (avpicture_deinterlace(picture2, picture,
-                                 dec->pix_fmt, dec->width, dec->height) < 0) {
-            /* if error, do not deinterlace */
-            av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
-            av_free(buf);
-            buf = NULL;
-            picture2 = picture;
-        }
-    } else {
-        picture2 = picture;
-    }
-
-    if (picture != picture2)
-        *picture = *picture2;
-    *bufp = buf;
-}
-
 static void do_subtitle_out(AVFormatContext *s,
                             OutputStream *ost,
                             InputStream *ist,
@@ -458,11 +393,11 @@ static void do_subtitle_out(AVFormatContext *s,
     if (pts == AV_NOPTS_VALUE) {
         av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
         if (exit_on_error)
-            exit(1);
+            exit_program(1);
         return;
     }
 
-    enc = ost->st->codec;
+    enc = ost->enc_ctx;
 
     if (!subtitle_out) {
         subtitle_out = av_malloc(subtitle_out_max_size);
@@ -486,11 +421,14 @@ static void do_subtitle_out(AVFormatContext *s,
         sub->pts               += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
         sub->end_display_time  -= sub->start_display_time;
         sub->start_display_time = 0;
+
+        ost->frames_encoded++;
+
         subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
                                                     subtitle_out_max_size, sub);
         if (subtitle_out_size < 0) {
             av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
-            exit(1);
+            exit_program(1);
         }
 
         av_init_packet(&pkt);
@@ -514,9 +452,9 @@ static void do_video_out(AVFormatContext *s,
                          AVFrame *in_picture,
                          int *frame_size)
 {
-    int ret, format_video_sync;
+    int ret, format_video_sync, got_packet;
     AVPacket pkt;
-    AVCodecContext *enc = ost->st->codec;
+    AVCodecContext *enc = ost->enc_ctx;
 
     *frame_size = 0;
 
@@ -529,7 +467,9 @@ static void do_video_out(AVFormatContext *s,
         in_picture->pts != AV_NOPTS_VALUE &&
         in_picture->pts < ost->sync_opts) {
         nb_frames_drop++;
-        av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
+        av_log(NULL, AV_LOG_WARNING,
+               "*** dropping frame %d from stream %d at ts %"PRId64"\n",
+               ost->frame_number, ost->st->index, in_picture->pts);
         return;
     }
 
@@ -545,68 +485,40 @@ static void do_video_out(AVFormatContext *s,
     pkt.data = NULL;
     pkt.size = 0;
 
-    if (!check_recording_time(ost) ||
-        ost->frame_number >= ost->max_frames)
+    if (ost->frame_number >= ost->max_frames)
         return;
 
-    if (s->oformat->flags & AVFMT_RAWPICTURE &&
-        enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
-        /* raw pictures are written as AVPicture structure to
-           avoid any copies. We support temporarily the older
-           method. */
-        enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
-        enc->coded_frame->top_field_first  = in_picture->top_field_first;
-        pkt.data   = (uint8_t *)in_picture;
-        pkt.size   =  sizeof(AVPicture);
-        pkt.pts    = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
-        pkt.flags |= AV_PKT_FLAG_KEY;
+    if (enc->flags & (AV_CODEC_FLAG_INTERLACED_DCT | AV_CODEC_FLAG_INTERLACED_ME) &&
+        ost->top_field_first >= 0)
+        in_picture->top_field_first = !!ost->top_field_first;
 
-        write_frame(s, &pkt, ost);
-    } else {
-        int got_packet;
-        AVFrame big_picture;
-
-        big_picture = *in_picture;
-        /* better than nothing: use input picture interlaced
-           settings */
-        big_picture.interlaced_frame = in_picture->interlaced_frame;
-        if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
-            if (ost->top_field_first == -1)
-                big_picture.top_field_first = in_picture->top_field_first;
-            else
-                big_picture.top_field_first = !!ost->top_field_first;
-        }
+    in_picture->quality = enc->global_quality;
+    in_picture->pict_type = 0;
+    if (ost->forced_kf_index < ost->forced_kf_count &&
+        in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
+        in_picture->pict_type = AV_PICTURE_TYPE_I;
+        ost->forced_kf_index++;
+    }
 
-        big_picture.quality = ost->st->codec->global_quality;
-        if (!enc->me_threshold)
-            big_picture.pict_type = 0;
-        if (ost->forced_kf_index < ost->forced_kf_count &&
-            big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
-            big_picture.pict_type = AV_PICTURE_TYPE_I;
-            ost->forced_kf_index++;
-        }
-        ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
-        if (ret < 0) {
-            av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
-            exit(1);
-        }
+    ost->frames_encoded++;
 
-        if (got_packet) {
-            if (pkt.pts != AV_NOPTS_VALUE)
-                pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
-            if (pkt.dts != AV_NOPTS_VALUE)
-                pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
+    ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
+    if (ret < 0) {
+        av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
+        exit_program(1);
+    }
 
-            write_frame(s, &pkt, ost);
-            *frame_size = pkt.size;
-            video_size += pkt.size;
+    if (got_packet) {
+        av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
+        write_frame(s, &pkt, ost);
+        *frame_size = pkt.size;
 
-            /* if two pass, output log */
-            if (ost->logfile && enc->stats_out) {
-                fprintf(ost->logfile, "%s", enc->stats_out);
-            }
+        /* if two pass, output log */
+        if (ost->logfile && enc->stats_out) {
+            fprintf(ost->logfile, "%s", enc->stats_out);
         }
     }
+
     ost->sync_opts++;
     /*
      * For video, number of frames in == number of packets out.
@@ -632,16 +544,22 @@ static void do_video_stats(OutputStream *ost, int frame_size)
         vstats_file = fopen(vstats_filename, "w");
         if (!vstats_file) {
             perror("fopen");
-            exit(1);
+            exit_program(1);
         }
     }
 
-    enc = ost->st->codec;
+    enc = ost->enc_ctx;
     if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
         frame_number = ost->frame_number;
-        fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
-        if (enc->flags&CODEC_FLAG_PSNR)
+        fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number,
+                ost->quality / (float)FF_QP2LAMBDA);
+
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+        if (enc->flags & AV_CODEC_FLAG_PSNR)
             fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
 
         fprintf(vstats_file,"f_size= %6d ", frame_size);
         /* compute pts value */
@@ -650,10 +568,14 @@ static void do_video_stats(OutputStream *ost, int frame_size)
             ti1 = 0.01;
 
         bitrate     = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
-        avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
+        avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
         fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
-               (double)video_size / 1024, ti1, bitrate, avg_bitrate);
+               (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
         fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
     }
 }
 
@@ -663,45 +585,38 @@ static void do_video_stats(OutputStream *ost, int frame_size)
 static int poll_filter(OutputStream *ost)
 {
     OutputFile    *of = output_files[ost->file_index];
-    AVFilterBufferRef *picref;
     AVFrame *filtered_frame = NULL;
     int frame_size, ret;
 
-    if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
+    if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
         return AVERROR(ENOMEM);
-    } else
-        avcodec_get_frame_defaults(ost->filtered_frame);
+    }
     filtered_frame = ost->filtered_frame;
 
     if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
-        !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
-        ret = av_buffersink_read_samples(ost->filter->filter, &picref,
-                                         ost->st->codec->frame_size);
+        !(ost->enc->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE))
+        ret = av_buffersink_get_samples(ost->filter->filter, filtered_frame,
+                                         ost->enc_ctx->frame_size);
     else
-        ret = av_buffersink_read(ost->filter->filter, &picref);
+        ret = av_buffersink_get_frame(ost->filter->filter, filtered_frame);
 
     if (ret < 0)
         return ret;
 
-    avfilter_copy_buf_props(filtered_frame, picref);
-    if (picref->pts != AV_NOPTS_VALUE) {
-        filtered_frame->pts = av_rescale_q(picref->pts,
+    if (filtered_frame->pts != AV_NOPTS_VALUE) {
+        int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
+        filtered_frame->pts = av_rescale_q(filtered_frame->pts,
                                            ost->filter->filter->inputs[0]->time_base,
-                                           ost->st->codec->time_base) -
-                              av_rescale_q(of->start_time,
+                                           ost->enc_ctx->time_base) -
+                              av_rescale_q(start_time,
                                            AV_TIME_BASE_Q,
-                                           ost->st->codec->time_base);
-
-        if (of->start_time && filtered_frame->pts < 0) {
-            avfilter_unref_buffer(picref);
-            return 0;
-        }
+                                           ost->enc_ctx->time_base);
     }
 
     switch (ost->filter->filter->inputs[0]->type) {
     case AVMEDIA_TYPE_VIDEO:
         if (!ost->frame_aspect_ratio)
-            ost->st->codec->sample_aspect_ratio = picref->video->pixel_aspect;
+            ost->enc_ctx->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
 
         do_video_out(of->ctx, ost, filtered_frame, &frame_size);
         if (vstats_filename && frame_size)
@@ -715,11 +630,24 @@ static int poll_filter(OutputStream *ost)
         av_assert0(0);
     }
 
-    avfilter_unref_buffer(picref);
+    av_frame_unref(filtered_frame);
 
     return 0;
 }
 
+static void finish_output_stream(OutputStream *ost)
+{
+    OutputFile *of = output_files[ost->file_index];
+    int i;
+
+    ost->finished = 1;
+
+    if (of->shortest) {
+        for (i = 0; i < of->ctx->nb_streams; i++)
+            output_streams[of->ost_index + i]->finished = 1;
+    }
+}
+
 /*
  * Read as many frames from possible from lavfi and encode them.
  *
@@ -730,7 +658,7 @@ static int poll_filter(OutputStream *ost)
  */
 static int poll_filters(void)
 {
-    int i, j, ret = 0;
+    int i, ret = 0;
 
     while (ret >= 0 && !received_sigterm) {
         OutputStream *ost = NULL;
@@ -743,7 +671,7 @@ static int poll_filters(void)
             if (!output_streams[i]->filter || output_streams[i]->finished)
                 continue;
 
-            pts = av_rescale_q(pts, output_streams[i]->st->codec->time_base,
+            pts = av_rescale_q(pts, output_streams[i]->enc_ctx->time_base,
                                AV_TIME_BASE_Q);
             if (pts < min_pts) {
                 min_pts = pts;
@@ -757,15 +685,7 @@ static int poll_filters(void)
         ret = poll_filter(ost);
 
         if (ret == AVERROR_EOF) {
-            OutputFile *of = output_files[ost->file_index];
-
-            ost->finished = 1;
-
-            if (of->shortest) {
-                for (j = 0; j < of->ctx->nb_streams; j++)
-                    output_streams[of->ost_index + j]->finished = 1;
-            }
-
+            finish_output_stream(ost);
             ret = 0;
         } else if (ret == AVERROR(EAGAIN))
             return 0;
@@ -774,6 +694,109 @@ static int poll_filters(void)
     return ret;
 }
 
+static void print_final_stats(int64_t total_size)
+{
+    uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
+    uint64_t data_size = 0;
+    float percent = -1.0;
+    int i, j;
+
+    for (i = 0; i < nb_output_streams; i++) {
+        OutputStream *ost = output_streams[i];
+        switch (ost->enc_ctx->codec_type) {
+            case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
+            case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
+            default:                 other_size += ost->data_size; break;
+        }
+        extra_size += ost->enc_ctx->extradata_size;
+        data_size  += ost->data_size;
+    }
+
+    if (data_size && total_size >= data_size)
+        percent = 100.0 * (total_size - data_size) / data_size;
+
+    av_log(NULL, AV_LOG_INFO, "\n");
+    av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ",
+           video_size / 1024.0,
+           audio_size / 1024.0,
+           other_size / 1024.0,
+           extra_size / 1024.0);
+    if (percent >= 0.0)
+        av_log(NULL, AV_LOG_INFO, "%f%%", percent);
+    else
+        av_log(NULL, AV_LOG_INFO, "unknown");
+    av_log(NULL, AV_LOG_INFO, "\n");
+
+    /* print verbose per-stream stats */
+    for (i = 0; i < nb_input_files; i++) {
+        InputFile *f = input_files[i];
+        uint64_t total_packets = 0, total_size = 0;
+
+        av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
+               i, f->ctx->filename);
+
+        for (j = 0; j < f->nb_streams; j++) {
+            InputStream *ist = input_streams[f->ist_index + j];
+            enum AVMediaType type = ist->dec_ctx->codec_type;
+
+            total_size    += ist->data_size;
+            total_packets += ist->nb_packets;
+
+            av_log(NULL, AV_LOG_VERBOSE, "  Input stream #%d:%d (%s): ",
+                   i, j, media_type_string(type));
+            av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
+                   ist->nb_packets, ist->data_size);
+
+            if (ist->decoding_needed) {
+                av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
+                       ist->frames_decoded);
+                if (type == AVMEDIA_TYPE_AUDIO)
+                    av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
+                av_log(NULL, AV_LOG_VERBOSE, "; ");
+            }
+
+            av_log(NULL, AV_LOG_VERBOSE, "\n");
+        }
+
+        av_log(NULL, AV_LOG_VERBOSE, "  Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
+               total_packets, total_size);
+    }
+
+    for (i = 0; i < nb_output_files; i++) {
+        OutputFile *of = output_files[i];
+        uint64_t total_packets = 0, total_size = 0;
+
+        av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
+               i, of->ctx->filename);
+
+        for (j = 0; j < of->ctx->nb_streams; j++) {
+            OutputStream *ost = output_streams[of->ost_index + j];
+            enum AVMediaType type = ost->enc_ctx->codec_type;
+
+            total_size    += ost->data_size;
+            total_packets += ost->packets_written;
+
+            av_log(NULL, AV_LOG_VERBOSE, "  Output stream #%d:%d (%s): ",
+                   i, j, media_type_string(type));
+            if (ost->encoding_needed) {
+                av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
+                       ost->frames_encoded);
+                if (type == AVMEDIA_TYPE_AUDIO)
+                    av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
+                av_log(NULL, AV_LOG_VERBOSE, "; ");
+            }
+
+            av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
+                   ost->packets_written, ost->data_size);
+
+            av_log(NULL, AV_LOG_VERBOSE, "\n");
+        }
+
+        av_log(NULL, AV_LOG_VERBOSE, "  Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
+               total_packets, total_size);
+    }
+}
+
 static void print_report(int is_last_report, int64_t timer_start)
 {
     char buf[1024];
@@ -792,7 +815,7 @@ static void print_report(int is_last_report, int64_t timer_start)
     if (!is_last_report) {
         int64_t cur_time;
         /* display the report every 0.5 seconds */
-        cur_time = av_gettime();
+        cur_time = av_gettime_relative();
         if (last_time == -1) {
             last_time = cur_time;
             return;
@@ -822,14 +845,15 @@ static void print_report(int is_last_report, int64_t timer_start)
     for (i = 0; i < nb_output_streams; i++) {
         float q = -1;
         ost = output_streams[i];
-        enc = ost->st->codec;
-        if (!ost->stream_copy && enc->coded_frame)
-            q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
+        enc = ost->enc_ctx;
+        if (!ost->stream_copy)
+            q = ost->quality / (float) FF_QP2LAMBDA;
+
         if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
             snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
         }
         if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
-            float t = (av_gettime() - timer_start) / 1000000.0;
+            float t = (av_gettime_relative() - timer_start) / 1000000.0;
 
             frame_number = ost->frame_number;
             snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
@@ -844,7 +868,10 @@ static void print_report(int is_last_report, int64_t timer_start)
                 for (j = 0; j < 32; j++)
                     snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
             }
-            if (enc->flags&CODEC_FLAG_PSNR) {
+
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+            if (enc->flags & AV_CODEC_FLAG_PSNR) {
                 int j;
                 double error, error_sum = 0;
                 double scale, scale_sum = 0;
@@ -866,10 +893,12 @@ static void print_report(int is_last_report, int64_t timer_start)
                 }
                 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
             }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
             vid = 1;
         }
         /* compute min output value */
-        pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
+        pts = (double)ost->last_mux_dts * av_q2d(ost->st->time_base);
         if ((pts < ti1) && (pts > 0))
             ti1 = pts;
     }
@@ -882,24 +911,17 @@ static void print_report(int is_last_report, int64_t timer_start)
             "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
             (double)total_size / 1024, ti1, bitrate);
 
-    if (nb_frames_dup || nb_frames_drop)
-        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
-                nb_frames_dup, nb_frames_drop);
+    if (nb_frames_drop)
+        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " drop=%d",
+                 nb_frames_drop);
 
     av_log(NULL, AV_LOG_INFO, "%s    \r", buf);
 
     fflush(stderr);
 
-    if (is_last_report) {
-        int64_t raw= audio_size + video_size + extra_size;
-        av_log(NULL, AV_LOG_INFO, "\n");
-        av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
-               video_size / 1024.0,
-               audio_size / 1024.0,
-               extra_size / 1024.0,
-               100.0 * (total_size - raw) / raw
-        );
-    }
+    if (is_last_report)
+        print_final_stats(total_size);
+
 }
 
 static void flush_encoders(void)
@@ -908,33 +930,28 @@ static void flush_encoders(void)
 
     for (i = 0; i < nb_output_streams; i++) {
         OutputStream   *ost = output_streams[i];
-        AVCodecContext *enc = ost->st->codec;
+        AVCodecContext *enc = ost->enc_ctx;
         AVFormatContext *os = output_files[ost->file_index]->ctx;
         int stop_encoding = 0;
 
         if (!ost->encoding_needed)
             continue;
 
-        if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
-            continue;
-        if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
+        if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
             continue;
 
         for (;;) {
             int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
             const char *desc;
-            int64_t *size;
 
-            switch (ost->st->codec->codec_type) {
+            switch (enc->codec_type) {
             case AVMEDIA_TYPE_AUDIO:
                 encode = avcodec_encode_audio2;
                 desc   = "Audio";
-                size   = &audio_size;
                 break;
             case AVMEDIA_TYPE_VIDEO:
                 encode = avcodec_encode_video2;
                 desc   = "Video";
-                size   = &video_size;
                 break;
             default:
                 stop_encoding = 1;
@@ -950,9 +967,8 @@ static void flush_encoders(void)
                 ret = encode(enc, &pkt, NULL, &got_packet);
                 if (ret < 0) {
                     av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
-                    exit(1);
+                    exit_program(1);
                 }
-                *size += ret;
                 if (ost->logfile && enc->stats_out) {
                     fprintf(ost->logfile, "%s", enc->stats_out);
                 }
@@ -960,12 +976,7 @@ static void flush_encoders(void)
                     stop_encoding = 1;
                     break;
                 }
-                if (pkt.pts != AV_NOPTS_VALUE)
-                    pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
-                if (pkt.dts != AV_NOPTS_VALUE)
-                    pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
-                if (pkt.duration > 0)
-                    pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
+                av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
                 write_frame(os, &pkt, ost);
             }
 
@@ -986,7 +997,7 @@ static int check_output_constraints(InputStream *ist, OutputStream *ost)
     if (ost->source_index != ist_index)
         return 0;
 
-    if (of->start_time && ist->last_dts < of->start_time)
+    if (of->start_time != AV_NOPTS_VALUE && ist->last_dts < of->start_time)
         return 0;
 
     return 1;
@@ -995,7 +1006,9 @@ static int check_output_constraints(InputStream *ist, OutputStream *ost)
 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
 {
     OutputFile *of = output_files[ost->file_index];
-    int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
+    InputFile   *f = input_files [ist->file_index];
+    int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
+    int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
     AVPacket opkt;
 
     av_init_packet(&opkt);
@@ -1005,18 +1018,24 @@ static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *p
         return;
 
     if (of->recording_time != INT64_MAX &&
-        ist->last_dts >= of->recording_time + of->start_time) {
+        ist->last_dts >= of->recording_time + start_time) {
         ost->finished = 1;
         return;
     }
 
+    if (f->recording_time != INT64_MAX) {
+        start_time = f->ctx->start_time;
+        if (f->start_time != AV_NOPTS_VALUE)
+            start_time += f->start_time;
+        if (ist->last_dts >= f->recording_time + start_time) {
+            ost->finished = 1;
+            return;
+        }
+    }
+
     /* force the input stream PTS */
-    if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
-        audio_size += pkt->size;
-    else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
-        video_size += pkt->size;
+    if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
         ost->sync_opts++;
-    }
 
     if (pkt->pts != AV_NOPTS_VALUE)
         opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
@@ -1033,35 +1052,30 @@ static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *p
     opkt.flags    = pkt->flags;
 
     // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
-    if (  ost->st->codec->codec_id != AV_CODEC_ID_H264
-       && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
-       && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
-       && ost->st->codec->codec_id != AV_CODEC_ID_VC1
+    if (  ost->enc_ctx->codec_id != AV_CODEC_ID_H264
+       && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
+       && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
+       && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
        ) {
-        if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
-            opkt.destruct = av_destruct_packet;
+        if (av_parser_change(ost->parser, ost->st->codec,
+                             &opkt.data, &opkt.size,
+                             pkt->data, pkt->size,
+                             pkt->flags & AV_PKT_FLAG_KEY)) {
+            opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
+            if (!opkt.buf)
+                exit_program(1);
+        }
     } else {
         opkt.data = pkt->data;
         opkt.size = pkt->size;
     }
 
     write_frame(of->ctx, &opkt, ost);
-    ost->st->codec->frame_number++;
-}
-
-static void rate_emu_sleep(InputStream *ist)
-{
-    if (input_files[ist->file_index]->rate_emu) {
-        int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
-        int64_t now = av_gettime() - ist->start;
-        if (pts > now)
-            av_usleep(pts - now);
-    }
 }
 
 int guess_input_channel_layout(InputStream *ist)
 {
-    AVCodecContext *dec = ist->st->codec;
+    AVCodecContext *dec = ist->dec_ctx;
 
     if (!dec->channel_layout) {
         char layout_name[256];
@@ -1079,33 +1093,30 @@ int guess_input_channel_layout(InputStream *ist)
 
 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
 {
-    AVFrame *decoded_frame;
-    AVCodecContext *avctx = ist->st->codec;
-    int i, ret, resample_changed;
+    AVFrame *decoded_frame, *f;
+    AVCodecContext *avctx = ist->dec_ctx;
+    int i, ret, err = 0, resample_changed;
 
-    if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
+    if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
+        return AVERROR(ENOMEM);
+    if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
         return AVERROR(ENOMEM);
     decoded_frame = ist->decoded_frame;
 
     ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
-    if (!*got_output || ret < 0) {
-        if (!pkt->size) {
-            for (i = 0; i < ist->nb_filters; i++)
-                av_buffersrc_buffer(ist->filters[i]->filter, NULL);
-        }
+    if (!*got_output || ret < 0)
         return ret;
-    }
+
+    ist->samples_decoded += decoded_frame->nb_samples;
+    ist->frames_decoded++;
 
     /* if the decoder provides a pts, use it instead of the last packet pts.
        the decoder could be delaying output by a packet or more. */
     if (decoded_frame->pts != AV_NOPTS_VALUE)
         ist->next_dts = decoded_frame->pts;
-    else if (pkt->pts != AV_NOPTS_VALUE) {
+    else if (pkt->pts != AV_NOPTS_VALUE)
         decoded_frame->pts = pkt->pts;
-        pkt->pts           = AV_NOPTS_VALUE;
-    }
-
-    rate_emu_sleep(ist);
+    pkt->pts           = AV_NOPTS_VALUE;
 
     resample_changed = ist->resample_sample_fmt     != decoded_frame->format         ||
                        ist->resample_channels       != avctx->channels               ||
@@ -1118,7 +1129,7 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
             av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
                    "layout for Input Stream #%d.%d\n", ist->file_index,
                    ist->st->index);
-            exit(1);
+            exit_program(1);
         }
         decoded_frame->channel_layout = avctx->channel_layout;
 
@@ -1144,46 +1155,62 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
             if (ist_in_filtergraph(filtergraphs[i], ist) &&
                 configure_filtergraph(filtergraphs[i]) < 0) {
                 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
-                exit(1);
+                exit_program(1);
             }
     }
 
     if (decoded_frame->pts != AV_NOPTS_VALUE)
         decoded_frame->pts = av_rescale_q(decoded_frame->pts,
                                           ist->st->time_base,
-                                          (AVRational){1, ist->st->codec->sample_rate});
-    for (i = 0; i < ist->nb_filters; i++)
-        av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
+                                          (AVRational){1, avctx->sample_rate});
+    ist->nb_samples = decoded_frame->nb_samples;
+    for (i = 0; i < ist->nb_filters; i++) {
+        if (i < ist->nb_filters - 1) {
+            f = ist->filter_frame;
+            err = av_frame_ref(f, decoded_frame);
+            if (err < 0)
+                break;
+        } else
+            f = decoded_frame;
 
-    return ret;
+        err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
+        if (err < 0)
+            break;
+    }
+
+    av_frame_unref(ist->filter_frame);
+    av_frame_unref(decoded_frame);
+    return err < 0 ? err : ret;
 }
 
 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
 {
-    AVFrame *decoded_frame;
-    void *buffer_to_free = NULL;
-    int i, ret = 0, resample_changed;
+    AVFrame *decoded_frame, *f;
+    int i, ret = 0, err = 0, resample_changed;
 
-    if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
+    if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
+        return AVERROR(ENOMEM);
+    if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
         return AVERROR(ENOMEM);
     decoded_frame = ist->decoded_frame;
 
-    ret = avcodec_decode_video2(ist->st->codec,
+    ret = avcodec_decode_video2(ist->dec_ctx,
                                 decoded_frame, got_output, pkt);
-    if (!*got_output || ret < 0) {
-        if (!pkt->size) {
-            for (i = 0; i < ist->nb_filters; i++)
-                av_buffersrc_buffer(ist->filters[i]->filter, NULL);
-        }
+    if (!*got_output || ret < 0)
         return ret;
+
+    ist->frames_decoded++;
+
+    if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
+        err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
+        if (err < 0)
+            goto fail;
     }
+    ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
 
     decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
                                            decoded_frame->pkt_dts);
     pkt->size = 0;
-    pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
-
-    rate_emu_sleep(ist);
 
     if (ist->st->sample_aspect_ratio.num)
         decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
@@ -1199,8 +1226,12 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
                decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
 
         ret = poll_filters();
-        if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN)))
-            av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
+        if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN))) {
+            char errbuf[128];
+            av_strerror(ret, errbuf, sizeof(errbuf));
+
+            av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
+        }
 
         ist->resample_width   = decoded_frame->width;
         ist->resample_height  = decoded_frame->height;
@@ -1210,44 +1241,41 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
             if (ist_in_filtergraph(filtergraphs[i], ist) &&
                 configure_filtergraph(filtergraphs[i]) < 0) {
                 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
-                exit(1);
+                exit_program(1);
             }
     }
 
     for (i = 0; i < ist->nb_filters; i++) {
-        if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
-            FrameBuffer      *buf = decoded_frame->opaque;
-            AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
-                                        decoded_frame->data, decoded_frame->linesize,
-                                        AV_PERM_READ | AV_PERM_PRESERVE,
-                                        ist->st->codec->width, ist->st->codec->height,
-                                        ist->st->codec->pix_fmt);
-
-            avfilter_copy_frame_props(fb, decoded_frame);
-            fb->buf->priv           = buf;
-            fb->buf->free           = filter_release_buffer;
-
-            buf->refcount++;
-            av_buffersrc_buffer(ist->filters[i]->filter, fb);
+        if (i < ist->nb_filters - 1) {
+            f = ist->filter_frame;
+            err = av_frame_ref(f, decoded_frame);
+            if (err < 0)
+                break;
         } else
-            av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
+            f = decoded_frame;
+
+        err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
+        if (err < 0)
+            break;
     }
 
-    av_free(buffer_to_free);
-    return ret;
+fail:
+    av_frame_unref(ist->filter_frame);
+    av_frame_unref(decoded_frame);
+    return err < 0 ? err : ret;
 }
 
 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
 {
     AVSubtitle subtitle;
-    int i, ret = avcodec_decode_subtitle2(ist->st->codec,
+    int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
                                           &subtitle, got_output, pkt);
     if (ret < 0)
         return ret;
     if (!*got_output)
         return ret;
 
-    rate_emu_sleep(ist);
+    ist->frames_decoded++;
 
     for (i = 0; i < nb_output_streams; i++) {
         OutputStream *ost = output_streams[i];
@@ -1262,8 +1290,19 @@ static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
     return ret;
 }
 
+static int send_filter_eof(InputStream *ist)
+{
+    int i, ret;
+    for (i = 0; i < ist->nb_filters; i++) {
+        ret = av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
+        if (ret < 0)
+            return ret;
+    }
+    return 0;
+}
+
 /* pkt = NULL means EOF (needed to flush decoder buffers) */
-static int output_packet(InputStream *ist, const AVPacket *pkt)
+static void process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eof)
 {
     int i;
     int got_output;
@@ -1272,7 +1311,7 @@ static int output_packet(InputStream *ist, const AVPacket *pkt)
     if (ist->next_dts == AV_NOPTS_VALUE)
         ist->next_dts = ist->last_dts;
 
-    if (pkt == NULL) {
+    if (!pkt) {
         /* EOF handling */
         av_init_packet(&avpkt);
         avpkt.data = NULL;
@@ -1292,13 +1331,14 @@ static int output_packet(InputStream *ist, const AVPacket *pkt)
 
         ist->last_dts = ist->next_dts;
 
-        if (avpkt.size && avpkt.size != pkt->size) {
+        if (avpkt.size && avpkt.size != pkt->size &&
+            !(ist->dec->capabilities & AV_CODEC_CAP_SUBFRAMES)) {
             av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
                    "Multiple frames in a packet from stream %d\n", pkt->stream_index);
             ist->showed_multi_packet_warning = 1;
         }
 
-        switch (ist->st->codec->codec_type) {
+        switch (ist->dec_ctx->codec_type) {
         case AVMEDIA_TYPE_AUDIO:
             ret = decode_audio    (ist, &avpkt, &got_output);
             break;
@@ -1309,21 +1349,27 @@ static int output_packet(InputStream *ist, const AVPacket *pkt)
             else if (ist->st->avg_frame_rate.num)
                 ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
                                               AV_TIME_BASE_Q);
-            else if (ist->st->codec->time_base.num != 0) {
+            else if (ist->dec_ctx->framerate.num != 0) {
                 int ticks      = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
-                                                   ist->st->codec->ticks_per_frame;
-                ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
+                                                   ist->dec_ctx->ticks_per_frame;
+                ist->next_dts += av_rescale_q(ticks, ist->dec_ctx->framerate, AV_TIME_BASE_Q);
             }
             break;
         case AVMEDIA_TYPE_SUBTITLE:
             ret = transcode_subtitles(ist, &avpkt, &got_output);
             break;
         default:
-            return -1;
+            return;
+        }
+
+        if (ret < 0) {
+            av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
+                   ist->file_index, ist->st->index);
+            if (exit_on_error)
+                exit_program(1);
+            break;
         }
 
-        if (ret < 0)
-            return ret;
         // touch data and size only if not EOF
         if (pkt) {
             avpkt.data += ret;
@@ -1334,21 +1380,30 @@ static int output_packet(InputStream *ist, const AVPacket *pkt)
         }
     }
 
+    /* after flushing, send an EOF on all the filter inputs attached to the stream */
+    /* except when looping we need to flush but not to send an EOF */
+    if (!pkt && ist->decoding_needed && !no_eof) {
+        int ret = send_filter_eof(ist);
+        if (ret < 0) {
+            av_log(NULL, AV_LOG_FATAL, "Error marking filters as finished\n");
+            exit_program(1);
+        }
+    }
+
     /* handle stream copy */
     if (!ist->decoding_needed) {
-        rate_emu_sleep(ist);
         ist->last_dts = ist->next_dts;
-        switch (ist->st->codec->codec_type) {
+        switch (ist->dec_ctx->codec_type) {
         case AVMEDIA_TYPE_AUDIO:
-            ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
-                             ist->st->codec->sample_rate;
+            ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
+                             ist->dec_ctx->sample_rate;
             break;
         case AVMEDIA_TYPE_VIDEO:
-            if (ist->st->codec->time_base.num != 0) {
-                int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
+            if (ist->dec_ctx->framerate.num != 0) {
+                int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
                 ist->next_dts += ((int64_t)AV_TIME_BASE *
-                                  ist->st->codec->time_base.num * ticks) /
-                                  ist->st->codec->time_base.den;
+                                  ist->dec_ctx->framerate.den * ticks) /
+                                  ist->dec_ctx->framerate.num;
             }
             break;
         }
@@ -1362,7 +1417,7 @@ static int output_packet(InputStream *ist, const AVPacket *pkt)
         do_streamcopy(ist, ost, pkt);
     }
 
-    return 0;
+    return;
 }
 
 static void print_sdp(void)
@@ -1372,7 +1427,7 @@ static void print_sdp(void)
     AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
 
     if (!avc)
-        exit(1);
+        exit_program(1);
     for (i = 0; i < nb_output_files; i++)
         avc[i] = output_files[i]->ctx;
 
@@ -1382,50 +1437,103 @@ static void print_sdp(void)
     av_freep(&avc);
 }
 
+static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
+{
+    int i;
+    for (i = 0; hwaccels[i].name; i++)
+        if (hwaccels[i].pix_fmt == pix_fmt)
+            return &hwaccels[i];
+    return NULL;
+}
+
+static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
+{
+    InputStream *ist = s->opaque;
+    const enum AVPixelFormat *p;
+    int ret;
+
+    for (p = pix_fmts; *p != -1; p++) {
+        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
+        const HWAccel *hwaccel;
+
+        if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
+            break;
+
+        hwaccel = get_hwaccel(*p);
+        if (!hwaccel ||
+            (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
+            (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
+            continue;
+
+        ret = hwaccel->init(s);
+        if (ret < 0) {
+            if (ist->hwaccel_id == hwaccel->id) {
+                av_log(NULL, AV_LOG_FATAL,
+                       "%s hwaccel requested for input stream #%d:%d, "
+                       "but cannot be initialized.\n", hwaccel->name,
+                       ist->file_index, ist->st->index);
+                return AV_PIX_FMT_NONE;
+            }
+            continue;
+        }
+        ist->active_hwaccel_id = hwaccel->id;
+        ist->hwaccel_pix_fmt   = *p;
+        break;
+    }
+
+    return *p;
+}
+
+static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
+{
+    InputStream *ist = s->opaque;
+
+    if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
+        return ist->hwaccel_get_buffer(s, frame, flags);
+
+    return avcodec_default_get_buffer2(s, frame, flags);
+}
+
 static int init_input_stream(int ist_index, char *error, int error_len)
 {
-    int i, ret;
+    int ret;
     InputStream *ist = input_streams[ist_index];
     if (ist->decoding_needed) {
         AVCodec *codec = ist->dec;
         if (!codec) {
             snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
-                    ist->st->codec->codec_id, ist->file_index, ist->st->index);
+                    ist->dec_ctx->codec_id, ist->file_index, ist->st->index);
             return AVERROR(EINVAL);
         }
 
-        /* update requested sample format for the decoder based on the
-           corresponding encoder sample format */
-        for (i = 0; i < nb_output_streams; i++) {
-            OutputStream *ost = output_streams[i];
-            if (ost->source_index == ist_index) {
-                update_sample_fmt(ist->st->codec, codec, ost->st->codec);
-                break;
-            }
-        }
+        ist->dec_ctx->opaque                = ist;
+        ist->dec_ctx->get_format            = get_format;
+        ist->dec_ctx->get_buffer2           = get_buffer;
+        ist->dec_ctx->thread_safe_callbacks = 1;
 
-        if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
-            ist->st->codec->get_buffer     = codec_get_buffer;
-            ist->st->codec->release_buffer = codec_release_buffer;
-            ist->st->codec->opaque         = &ist->buffer_pool;
-        }
+        av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
 
-        if (!av_dict_get(ist->opts, "threads", NULL, 0))
-            av_dict_set(&ist->opts, "threads", "auto", 0);
-        if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
+        if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
+            av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
+        if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
+            char errbuf[128];
             if (ret == AVERROR_EXPERIMENTAL)
                 abort_codec_experimental(codec, 0);
-            snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
-                    ist->file_index, ist->st->index);
+
+            av_strerror(ret, errbuf, sizeof(errbuf));
+
+            snprintf(error, error_len,
+                     "Error while opening decoder for input stream "
+                     "#%d:%d : %s",
+                     ist->file_index, ist->st->index, errbuf);
             return ret;
         }
-        assert_avoptions(ist->opts);
+        assert_avoptions(ist->decoder_opts);
     }
 
-    ist->last_dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
+    ist->last_dts = ist->st->avg_frame_rate.num ? - ist->dec_ctx->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
     ist->next_dts = AV_NOPTS_VALUE;
     init_pts_correction(&ist->pts_ctx);
-    ist->is_start = 1;
 
     return 0;
 }
@@ -1440,13 +1548,66 @@ static InputStream *get_input_stream(OutputStream *ost)
         int i;
 
         for (i = 0; i < fg->nb_inputs; i++)
-            if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
+            if (fg->inputs[i]->ist->dec_ctx->codec_type == ost->enc_ctx->codec_type)
                 return fg->inputs[i]->ist;
     }
 
     return NULL;
 }
 
+static int init_output_stream(OutputStream *ost, char *error, int error_len)
+{
+    int ret = 0;
+
+    if (ost->encoding_needed) {
+        AVCodec      *codec = ost->enc;
+        AVCodecContext *dec = NULL;
+        InputStream *ist;
+
+        if ((ist = get_input_stream(ost)))
+            dec = ist->dec_ctx;
+        if (dec && dec->subtitle_header) {
+            ost->enc_ctx->subtitle_header = av_malloc(dec->subtitle_header_size);
+            if (!ost->enc_ctx->subtitle_header)
+                return AVERROR(ENOMEM);
+            memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
+            ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
+        }
+        if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
+            av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
+
+        if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
+            if (ret == AVERROR_EXPERIMENTAL)
+                abort_codec_experimental(codec, 1);
+            snprintf(error, error_len,
+                     "Error while opening encoder for output stream #%d:%d - "
+                     "maybe incorrect parameters such as bit_rate, rate, width or height",
+                    ost->file_index, ost->index);
+            return ret;
+        }
+        assert_avoptions(ost->encoder_opts);
+        if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
+            av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
+                                         "It takes bits/s as argument, not kbits/s\n");
+
+        ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
+        if (ret < 0) {
+            av_log(NULL, AV_LOG_FATAL,
+                   "Error initializing the output stream codec context.\n");
+            exit_program(1);
+        }
+
+        ost->st->time_base = ost->enc_ctx->time_base;
+    } else {
+        ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
+        if (ret < 0)
+            return ret;
+        ost->st->time_base = ost->st->codec->time_base;
+    }
+
+    return ret;
+}
+
 static void parse_forced_key_frames(char *kf, OutputStream *ost,
                                     AVCodecContext *avctx)
 {
@@ -1461,7 +1622,7 @@ static void parse_forced_key_frames(char *kf, OutputStream *ost,
     ost->forced_kf_pts   = av_malloc(sizeof(*ost->forced_kf_pts) * n);
     if (!ost->forced_kf_pts) {
         av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
-        exit(1);
+        exit_program(1);
     }
 
     p = kf;
@@ -1478,11 +1639,38 @@ static void parse_forced_key_frames(char *kf, OutputStream *ost,
     }
 }
 
+static void set_encoder_id(OutputFile *of, OutputStream *ost)
+{
+    AVDictionaryEntry *e;
+
+    uint8_t *encoder_string;
+    int encoder_string_len;
+    int format_flags = 0;
+
+    e = av_dict_get(of->opts, "fflags", NULL, 0);
+    if (e) {
+        const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
+        if (!o)
+            return;
+        av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
+    }
+
+    encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
+    encoder_string     = av_mallocz(encoder_string_len);
+    if (!encoder_string)
+        exit_program(1);
+
+    if (!(format_flags & AVFMT_FLAG_BITEXACT))
+        av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
+    av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
+    av_dict_set(&ost->st->metadata, "encoder",  encoder_string,
+                AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
+}
+
 static int transcode_init(void)
 {
     int ret = 0, i, j, k;
     AVFormatContext *oc;
-    AVCodecContext *codec;
     OutputStream *ost;
     InputStream *ist;
     char error[1024];
@@ -1493,27 +1681,13 @@ static int transcode_init(void)
         InputFile *ifile = input_files[i];
         if (ifile->rate_emu)
             for (j = 0; j < ifile->nb_streams; j++)
-                input_streams[j + ifile->ist_index]->start = av_gettime();
-    }
-
-    /* output stream init */
-    for (i = 0; i < nb_output_files; i++) {
-        oc = output_files[i]->ctx;
-        if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
-            av_dump_format(oc, i, oc->filename, 1);
-            av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
-            return AVERROR(EINVAL);
-        }
+                input_streams[j + ifile->ist_index]->start = av_gettime_relative();
     }
 
-    /* init complex filtergraphs */
-    for (i = 0; i < nb_filtergraphs; i++)
-        if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
-            return ret;
-
     /* for each output stream, we compute the right encoding parameters */
     for (i = 0; i < nb_output_streams; i++) {
-        AVCodecContext *icodec = NULL;
+        AVCodecContext *enc_ctx;
+        AVCodecContext *dec_ctx = NULL;
         ost = output_streams[i];
         oc  = output_files[ost->file_index]->ctx;
         ist = get_input_stream(ost);
@@ -1521,85 +1695,108 @@ static int transcode_init(void)
         if (ost->attachment_filename)
             continue;
 
-        codec  = ost->st->codec;
+        enc_ctx = ost->stream_copy ? ost->st->codec : ost->enc_ctx;
 
         if (ist) {
-            icodec = ist->st->codec;
+            dec_ctx = ist->dec_ctx;
 
             ost->st->disposition          = ist->st->disposition;
-            codec->bits_per_raw_sample    = icodec->bits_per_raw_sample;
-            codec->chroma_sample_location = icodec->chroma_sample_location;
+            enc_ctx->bits_per_raw_sample    = dec_ctx->bits_per_raw_sample;
+            enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
         }
 
         if (ost->stream_copy) {
+            AVRational sar;
             uint64_t extra_size;
 
             av_assert0(ist && !ost->filter);
 
-            extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
+            extra_size = (uint64_t)dec_ctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE;
 
             if (extra_size > INT_MAX) {
                 return AVERROR(EINVAL);
             }
 
             /* if stream_copy is selected, no need to decode or encode */
-            codec->codec_id   = icodec->codec_id;
-            codec->codec_type = icodec->codec_type;
+            enc_ctx->codec_id   = dec_ctx->codec_id;
+            enc_ctx->codec_type = dec_ctx->codec_type;
 
-            if (!codec->codec_tag) {
+            if (!enc_ctx->codec_tag) {
                 if (!oc->oformat->codec_tag ||
-                     av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
-                     av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
-                    codec->codec_tag = icodec->codec_tag;
+                     av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
+                     av_codec_get_tag(oc->oformat->codec_tag, dec_ctx->codec_id) <= 0)
+                    enc_ctx->codec_tag = dec_ctx->codec_tag;
             }
 
-            codec->bit_rate       = icodec->bit_rate;
-            codec->rc_max_rate    = icodec->rc_max_rate;
-            codec->rc_buffer_size = icodec->rc_buffer_size;
-            codec->field_order    = icodec->field_order;
-            codec->extradata      = av_mallocz(extra_size);
-            if (!codec->extradata) {
+            enc_ctx->bit_rate       = dec_ctx->bit_rate;
+            enc_ctx->rc_max_rate    = dec_ctx->rc_max_rate;
+            enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
+            enc_ctx->field_order    = dec_ctx->field_order;
+            enc_ctx->extradata      = av_mallocz(extra_size);
+            if (!enc_ctx->extradata) {
                 return AVERROR(ENOMEM);
             }
-            memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
-            codec->extradata_size = icodec->extradata_size;
+            memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
+            enc_ctx->extradata_size = dec_ctx->extradata_size;
             if (!copy_tb) {
-                codec->time_base      = icodec->time_base;
-                codec->time_base.num *= icodec->ticks_per_frame;
-                av_reduce(&codec->time_base.num, &codec->time_base.den,
-                          codec->time_base.num, codec->time_base.den, INT_MAX);
+                enc_ctx->time_base      = dec_ctx->time_base;
+                enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
+                av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
+                          enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
             } else
-                codec->time_base = ist->st->time_base;
+                enc_ctx->time_base = ist->st->time_base;
+
+            if (ist->st->nb_side_data) {
+                ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
+                                                      sizeof(*ist->st->side_data));
+                if (!ost->st->side_data)
+                    return AVERROR(ENOMEM);
+
+                for (j = 0; j < ist->st->nb_side_data; j++) {
+                    const AVPacketSideData *sd_src = &ist->st->side_data[j];
+                    AVPacketSideData *sd_dst = &ost->st->side_data[j];
+
+                    sd_dst->data = av_malloc(sd_src->size);
+                    if (!sd_dst->data)
+                        return AVERROR(ENOMEM);
+                    memcpy(sd_dst->data, sd_src->data, sd_src->size);
+                    sd_dst->size = sd_src->size;
+                    sd_dst->type = sd_src->type;
+                    ost->st->nb_side_data++;
+                }
+            }
+
+            ost->parser = av_parser_init(enc_ctx->codec_id);
 
-            switch (codec->codec_type) {
+            switch (enc_ctx->codec_type) {
             case AVMEDIA_TYPE_AUDIO:
                 if (audio_volume != 256) {
                     av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
-                    exit(1);
+                    exit_program(1);
                 }
-                codec->channel_layout     = icodec->channel_layout;
-                codec->sample_rate        = icodec->sample_rate;
-                codec->channels           = icodec->channels;
-                codec->frame_size         = icodec->frame_size;
-                codec->audio_service_type = icodec->audio_service_type;
-                codec->block_align        = icodec->block_align;
+                enc_ctx->channel_layout     = dec_ctx->channel_layout;
+                enc_ctx->sample_rate        = dec_ctx->sample_rate;
+                enc_ctx->channels           = dec_ctx->channels;
+                enc_ctx->frame_size         = dec_ctx->frame_size;
+                enc_ctx->audio_service_type = dec_ctx->audio_service_type;
+                enc_ctx->block_align        = dec_ctx->block_align;
                 break;
             case AVMEDIA_TYPE_VIDEO:
-                codec->pix_fmt            = icodec->pix_fmt;
-                codec->width              = icodec->width;
-                codec->height             = icodec->height;
-                codec->has_b_frames       = icodec->has_b_frames;
-                if (!codec->sample_aspect_ratio.num) {
-                    codec->sample_aspect_ratio   =
-                    ost->st->sample_aspect_ratio =
-                        ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
-                        ist->st->codec->sample_aspect_ratio.num ?
-                        ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
-                }
+                enc_ctx->pix_fmt            = dec_ctx->pix_fmt;
+                enc_ctx->width              = dec_ctx->width;
+                enc_ctx->height             = dec_ctx->height;
+                enc_ctx->has_b_frames       = dec_ctx->has_b_frames;
+                if (ost->frame_aspect_ratio)
+                    sar = av_d2q(ost->frame_aspect_ratio * enc_ctx->height / enc_ctx->width, 255);
+                else if (ist->st->sample_aspect_ratio.num)
+                    sar = ist->st->sample_aspect_ratio;
+                else
+                    sar = dec_ctx->sample_aspect_ratio;
+                ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
                 break;
             case AVMEDIA_TYPE_SUBTITLE:
-                codec->width  = icodec->width;
-                codec->height = icodec->height;
+                enc_ctx->width  = dec_ctx->width;
+                enc_ctx->height = dec_ctx->height;
                 break;
             case AVMEDIA_TYPE_DATA:
             case AVMEDIA_TYPE_ATTACHMENT:
@@ -1619,9 +1816,7 @@ static int transcode_init(void)
                 goto dump_format;
             }
 
-            if (ist)
-                ist->decoding_needed = 1;
-            ost->encoding_needed = 1;
+            set_encoder_id(output_files[ost->file_index], ost);
 
             /*
              * We want CFR output if and only if one of those is true:
@@ -1632,15 +1827,24 @@ static int transcode_init(void)
              *
              * in such a case, set ost->frame_rate
              */
-            if (codec->codec_type == AVMEDIA_TYPE_VIDEO &&
+            if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO &&
                 !ost->frame_rate.num && ist &&
                 (video_sync_method ==  VSYNC_CFR ||
                  (video_sync_method ==  VSYNC_AUTO &&
                   !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
-                ost->frame_rate = ist->framerate.num ? ist->framerate :
-                                  ist->st->avg_frame_rate.num ?
-                                  ist->st->avg_frame_rate :
-                                  (AVRational){25, 1};
+                if (ist->framerate.num)
+                    ost->frame_rate = ist->framerate;
+                else if (ist->st->avg_frame_rate.num)
+                    ost->frame_rate = ist->st->avg_frame_rate;
+                else {
+                    av_log(NULL, AV_LOG_WARNING, "Constant framerate requested "
+                           "for the output stream #%d:%d, but no information "
+                           "about the input framerate is available. Falling "
+                           "back to a default value of 25fps. Use the -r option "
+                           "if you want a different framerate.\n",
+                           ost->file_index, ost->index);
+                    ost->frame_rate = (AVRational){ 25, 1 };
+                }
 
                 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
                     int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
@@ -1648,125 +1852,69 @@ static int transcode_init(void)
                 }
             }
 
+#if CONFIG_LIBMFX
+            if (qsv_transcode_init(ost))
+                exit_program(1);
+#endif
+
             if (!ost->filter &&
-                (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
-                 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
+                (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
+                 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
                     FilterGraph *fg;
                     fg = init_simple_filtergraph(ist, ost);
                     if (configure_filtergraph(fg)) {
                         av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
-                        exit(1);
+                        exit_program(1);
                     }
             }
 
-            switch (codec->codec_type) {
+            switch (enc_ctx->codec_type) {
             case AVMEDIA_TYPE_AUDIO:
-                codec->sample_fmt     = ost->filter->filter->inputs[0]->format;
-                codec->sample_rate    = ost->filter->filter->inputs[0]->sample_rate;
-                codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
-                codec->channels       = av_get_channel_layout_nb_channels(codec->channel_layout);
-                codec->time_base      = (AVRational){ 1, codec->sample_rate };
+                enc_ctx->sample_fmt     = ost->filter->filter->inputs[0]->format;
+                enc_ctx->sample_rate    = ost->filter->filter->inputs[0]->sample_rate;
+                enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
+                enc_ctx->channels       = av_get_channel_layout_nb_channels(enc_ctx->channel_layout);
+                enc_ctx->time_base      = (AVRational){ 1, enc_ctx->sample_rate };
                 break;
             case AVMEDIA_TYPE_VIDEO:
-                codec->time_base = ost->filter->filter->inputs[0]->time_base;
+                enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
 
-                codec->width  = ost->filter->filter->inputs[0]->w;
-                codec->height = ost->filter->filter->inputs[0]->h;
-                codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
+                enc_ctx->width  = ost->filter->filter->inputs[0]->w;
+                enc_ctx->height = ost->filter->filter->inputs[0]->h;
+                enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
                     ost->frame_aspect_ratio ? // overridden by the -aspect cli option
-                    av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
+                    av_d2q(ost->frame_aspect_ratio * enc_ctx->height/enc_ctx->width, 255) :
                     ost->filter->filter->inputs[0]->sample_aspect_ratio;
-                codec->pix_fmt = ost->filter->filter->inputs[0]->format;
+                enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
+
+                ost->st->avg_frame_rate = ost->frame_rate;
 
-                if (icodec &&
-                    (codec->width   != icodec->width  ||
-                     codec->height  != icodec->height ||
-                     codec->pix_fmt != icodec->pix_fmt)) {
-                    codec->bits_per_raw_sample = 0;
+                if (dec_ctx &&
+                    (enc_ctx->width   != dec_ctx->width  ||
+                     enc_ctx->height  != dec_ctx->height ||
+                     enc_ctx->pix_fmt != dec_ctx->pix_fmt)) {
+                    enc_ctx->bits_per_raw_sample = 0;
                 }
 
                 if (ost->forced_keyframes)
                     parse_forced_key_frames(ost->forced_keyframes, ost,
-                                            ost->st->codec);
+                                            ost->enc_ctx);
                 break;
             case AVMEDIA_TYPE_SUBTITLE:
-                codec->time_base = (AVRational){1, 1000};
+                enc_ctx->time_base = (AVRational){1, 1000};
                 break;
             default:
                 abort();
                 break;
             }
-            /* two pass mode */
-            if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
-                char logfilename[1024];
-                FILE *f;
-
-                snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
-                         ost->logfile_prefix ? ost->logfile_prefix :
-                                               DEFAULT_PASS_LOGFILENAME_PREFIX,
-                         i);
-                if (!strcmp(ost->enc->name, "libx264")) {
-                    av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
-                } else {
-                    if (codec->flags & CODEC_FLAG_PASS1) {
-                        f = fopen(logfilename, "wb");
-                        if (!f) {
-                            av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
-                                   logfilename, strerror(errno));
-                            exit(1);
-                        }
-                        ost->logfile = f;
-                    } else {
-                        char  *logbuffer;
-                        size_t logbuffer_size;
-                        if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
-                            av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
-                                   logfilename);
-                            exit(1);
-                        }
-                        codec->stats_in = logbuffer;
-                    }
-                }
-            }
         }
     }
 
     /* open each encoder */
     for (i = 0; i < nb_output_streams; i++) {
-        ost = output_streams[i];
-        if (ost->encoding_needed) {
-            AVCodec      *codec = ost->enc;
-            AVCodecContext *dec = NULL;
-
-            if ((ist = get_input_stream(ost)))
-                dec = ist->st->codec;
-            if (dec && dec->subtitle_header) {
-                ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
-                if (!ost->st->codec->subtitle_header) {
-                    ret = AVERROR(ENOMEM);
-                    goto dump_format;
-                }
-                memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
-                ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
-            }
-            if (!av_dict_get(ost->opts, "threads", NULL, 0))
-                av_dict_set(&ost->opts, "threads", "auto", 0);
-            if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
-                if (ret == AVERROR_EXPERIMENTAL)
-                    abort_codec_experimental(codec, 1);
-                snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
-                        ost->file_index, ost->index);
-                goto dump_format;
-            }
-            assert_avoptions(ost->opts);
-            if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
-                av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
-                                             "It takes bits/s as argument, not kbits/s\n");
-            extra_size += ost->st->codec->extradata_size;
-
-            if (ost->st->codec->me_threshold)
-                input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
-        }
+        ret = init_output_stream(output_streams[i], error, sizeof(error));
+        if (ret < 0)
+            goto dump_format;
     }
 
     /* init input streams */
@@ -1796,10 +1944,11 @@ static int transcode_init(void)
         oc->interrupt_callback = int_cb;
         if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
             char errbuf[128];
-            const char *errbuf_ptr = errbuf;
-            if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
-                errbuf_ptr = strerror(AVUNERROR(ret));
-            snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
+            av_strerror(ret, errbuf, sizeof(errbuf));
+            snprintf(error, sizeof(error),
+                     "Could not write header for output file #%d "
+                     "(incorrect codec parameters ?): %s",
+                     i, errbuf);
             ret = AVERROR(EINVAL);
             goto dump_format;
         }
@@ -1865,10 +2014,37 @@ static int transcode_init(void)
                    ost->sync_ist->st->index);
         if (ost->stream_copy)
             av_log(NULL, AV_LOG_INFO, " (copy)");
-        else
-            av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
-                   input_streams[ost->source_index]->dec->name : "?",
-                   ost->enc ? ost->enc->name : "?");
+        else {
+            const AVCodec *in_codec    = input_streams[ost->source_index]->dec;
+            const AVCodec *out_codec   = ost->enc;
+            const char *decoder_name   = "?";
+            const char *in_codec_name  = "?";
+            const char *encoder_name   = "?";
+            const char *out_codec_name = "?";
+            const AVCodecDescriptor *desc;
+
+            if (in_codec) {
+                decoder_name  = in_codec->name;
+                desc = avcodec_descriptor_get(in_codec->id);
+                if (desc)
+                    in_codec_name = desc->name;
+                if (!strcmp(decoder_name, in_codec_name))
+                    decoder_name = "native";
+            }
+
+            if (out_codec) {
+                encoder_name   = out_codec->name;
+                desc = avcodec_descriptor_get(out_codec->id);
+                if (desc)
+                    out_codec_name = desc->name;
+                if (!strcmp(encoder_name, out_codec_name))
+                    encoder_name = "native";
+            }
+
+            av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
+                   in_codec_name, decoder_name,
+                   out_codec_name, encoder_name);
+        }
         av_log(NULL, AV_LOG_INFO, "\n");
     }
 
@@ -1954,7 +2130,6 @@ static void *input_thread(void *arg)
         while (!av_fifo_space(f->fifo))
             pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
 
-        av_dup_packet(&pkt);
         av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
 
         pthread_mutex_unlock(&f->fifo_lock);
@@ -1983,7 +2158,7 @@ static void free_input_threads(void)
         pthread_mutex_lock(&f->fifo_lock);
         while (av_fifo_size(f->fifo)) {
             av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
-            av_free_packet(&pkt);
+            av_packet_unref(&pkt);
         }
         pthread_cond_signal(&f->fifo_cond);
         pthread_mutex_unlock(&f->fifo_lock);
@@ -1993,7 +2168,7 @@ static void free_input_threads(void)
 
         while (av_fifo_size(f->fifo)) {
             av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
-            av_free_packet(&pkt);
+            av_packet_unref(&pkt);
         }
         av_fifo_free(f->fifo);
     }
@@ -2045,6 +2220,17 @@ static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
 
 static int get_input_packet(InputFile *f, AVPacket *pkt)
 {
+    if (f->rate_emu) {
+        int i;
+        for (i = 0; i < f->nb_streams; i++) {
+            InputStream *ist = input_streams[f->ist_index + i];
+            int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
+            int64_t now = av_gettime_relative() - ist->start;
+            if (pts > now)
+                return AVERROR(EAGAIN);
+        }
+    }
+
 #if HAVE_PTHREADS
     if (nb_input_files > 1)
         return get_input_packet_mt(f, pkt);
@@ -2068,6 +2254,86 @@ static void reset_eagain(void)
         input_files[i]->eagain = 0;
 }
 
+// set duration to max(tmp, duration) in a proper time base and return duration's time_base
+static AVRational duration_max(int64_t tmp, int64_t *duration, AVRational tmp_time_base,
+                                AVRational time_base)
+{
+    int ret;
+
+    if (!*duration) {
+        *duration = tmp;
+        return tmp_time_base;
+    }
+
+    ret = av_compare_ts(*duration, time_base, tmp, tmp_time_base);
+    if (ret < 0) {
+        *duration = tmp;
+        return tmp_time_base;
+    }
+
+    return time_base;
+}
+
+static int seek_to_start(InputFile *ifile, AVFormatContext *is)
+{
+    InputStream *ist;
+    AVCodecContext *avctx;
+    int i, ret, has_audio = 0;
+    int64_t duration = 0;
+
+    ret = av_seek_frame(is, -1, is->start_time, 0);
+    if (ret < 0)
+        return ret;
+
+    for (i = 0; i < ifile->nb_streams; i++) {
+        ist   = input_streams[ifile->ist_index + i];
+        avctx = ist->dec_ctx;
+
+        // flush decoders
+        if (ist->decoding_needed) {
+            process_input_packet(ist, NULL, 1);
+            avcodec_flush_buffers(avctx);
+        }
+
+        /* duration is the length of the last frame in a stream
+         * when audio stream is present we don't care about
+         * last video frame length because it's not defined exactly */
+        if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples)
+            has_audio = 1;
+    }
+
+    for (i = 0; i < ifile->nb_streams; i++) {
+        ist   = input_streams[ifile->ist_index + i];
+        avctx = ist->dec_ctx;
+
+        if (has_audio) {
+            if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples) {
+                AVRational sample_rate = {1, avctx->sample_rate};
+
+                duration = av_rescale_q(ist->nb_samples, sample_rate, ist->st->time_base);
+            } else
+                continue;
+        } else {
+            if (ist->framerate.num) {
+                duration = av_rescale_q(1, ist->framerate, ist->st->time_base);
+            } else if (ist->st->avg_frame_rate.num) {
+                duration = av_rescale_q(1, ist->st->avg_frame_rate, ist->st->time_base);
+            } else duration = 1;
+        }
+        if (!ifile->duration)
+            ifile->time_base = ist->st->time_base;
+        /* the total duration of the stream, max_pts - min_pts is
+         * the duration of the stream without the last frame */
+        duration += ist->max_pts - ist->min_pts;
+        ifile->time_base = duration_max(duration, &ifile->duration, ist->st->time_base,
+                                        ifile->time_base);
+    }
+
+    ifile->loop--;
+
+    return ret;
+}
+
 /*
  * Read one packet from an input file and send it for
  * - decoding -> lavfi (audio/video)
@@ -2087,6 +2353,7 @@ static int process_input(void)
     InputStream *ist;
     AVPacket pkt;
     int ret, i, j;
+    int64_t duration;
 
     /* select the stream that we must read now */
     ifile = select_input_file();
@@ -2108,18 +2375,23 @@ static int process_input(void)
         ifile->eagain = 1;
         return ret;
     }
+    if ((ret < 0) && (ifile->loop > 1)) {
+        if ((ret = seek_to_start(ifile, is)) < 0)
+            return ret;
+        ret = get_input_packet(ifile, &pkt);
+    }
     if (ret < 0) {
         if (ret != AVERROR_EOF) {
             print_error(is->filename, ret);
             if (exit_on_error)
-                exit(1);
+                exit_program(1);
         }
         ifile->eof_reached = 1;
 
         for (i = 0; i < ifile->nb_streams; i++) {
             ist = input_streams[ifile->ist_index + i];
             if (ist->decoding_needed)
-                output_packet(ist, NULL);
+                process_input_packet(ist, NULL, 0);
 
             /* mark all outputs that don't go through lavfi as finished */
             for (j = 0; j < nb_output_streams; j++) {
@@ -2127,7 +2399,7 @@ static int process_input(void)
 
                 if (ost->source_index == ifile->ist_index + i &&
                     (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
-                    ost->finished= 1;
+                    finish_output_stream(ost);
             }
         }
 
@@ -2146,9 +2418,31 @@ static int process_input(void)
         goto discard_packet;
 
     ist = input_streams[ifile->ist_index + pkt.stream_index];
+
+    ist->data_size += pkt.size;
+    ist->nb_packets++;
+
     if (ist->discard)
         goto discard_packet;
 
+    /* add the stream-global side data to the first packet */
+    if (ist->nb_packets == 1)
+        for (i = 0; i < ist->st->nb_side_data; i++) {
+            AVPacketSideData *src_sd = &ist->st->side_data[i];
+            uint8_t *dst_data;
+
+            if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
+                continue;
+            if (ist->autorotate && src_sd->type == AV_PKT_DATA_DISPLAYMATRIX)
+                continue;
+
+            dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
+            if (!dst_data)
+                exit_program(1);
+
+            memcpy(dst_data, src_sd->data, src_sd->size);
+        }
+
     if (pkt.dts != AV_NOPTS_VALUE)
         pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
     if (pkt.pts != AV_NOPTS_VALUE)
@@ -2159,7 +2453,9 @@ static int process_input(void)
     if (pkt.dts != AV_NOPTS_VALUE)
         pkt.dts *= ist->ts_scale;
 
-    if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
+    if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
+         ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
+        pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
         (is->iformat->flags & AVFMT_TS_DISCONT)) {
         int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
         int64_t delta   = pkt_dts - ist->next_dts;
@@ -2174,17 +2470,20 @@ static int process_input(void)
                 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
         }
     }
-
-    ret = output_packet(ist, &pkt);
-    if (ret < 0) {
-        av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
-               ist->file_index, ist->st->index);
-        if (exit_on_error)
-            exit(1);
+    duration = av_rescale_q(ifile->duration, ifile->time_base, ist->st->time_base);
+    if (pkt.pts != AV_NOPTS_VALUE) {
+        pkt.pts += duration;
+        ist->max_pts = FFMAX(pkt.pts, ist->max_pts);
+        ist->min_pts = FFMIN(pkt.pts, ist->min_pts);
     }
 
+    if (pkt.dts != AV_NOPTS_VALUE)
+        pkt.dts += duration;
+
+    process_input_packet(ist, &pkt, 0);
+
 discard_packet:
-    av_free_packet(&pkt);
+    av_packet_unref(&pkt);
 
     return 0;
 }
@@ -2207,7 +2506,7 @@ static int transcode(void)
     av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
     term_init();
 
-    timer_start = av_gettime();
+    timer_start = av_gettime_relative();
 
 #if HAVE_PTHREADS
     if ((ret = init_input_threads()) < 0)
@@ -2230,11 +2529,15 @@ static int transcode(void)
 
         ret = poll_filters();
         if (ret < 0) {
-            if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
+            if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN)) {
                 continue;
+            } else {
+                char errbuf[128];
+                av_strerror(ret, errbuf, sizeof(errbuf));
 
-            av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
-            break;
+                av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
+                break;
+            }
         }
 
         /* dump report by using the output first video and audio streams */
@@ -2248,7 +2551,7 @@ static int transcode(void)
     for (i = 0; i < nb_input_streams; i++) {
         ist = input_streams[i];
         if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
-            output_packet(ist, NULL);
+            process_input_packet(ist, NULL, 0);
         }
     }
     poll_filters();
@@ -2269,8 +2572,7 @@ static int transcode(void)
     for (i = 0; i < nb_output_streams; i++) {
         ost = output_streams[i];
         if (ost->encoding_needed) {
-            av_freep(&ost->st->codec->stats_in);
-            avcodec_close(ost->st->codec);
+            av_freep(&ost->enc_ctx->stats_in);
         }
     }
 
@@ -2278,7 +2580,9 @@ static int transcode(void)
     for (i = 0; i < nb_input_streams; i++) {
         ist = input_streams[i];
         if (ist->decoding_needed) {
-            avcodec_close(ist->st->codec);
+            avcodec_close(ist->dec_ctx);
+            if (ist->hwaccel_uninit)
+                ist->hwaccel_uninit(ist->dec_ctx);
         }
     }
 
@@ -2294,15 +2598,12 @@ static int transcode(void)
         for (i = 0; i < nb_output_streams; i++) {
             ost = output_streams[i];
             if (ost) {
-                if (ost->stream_copy)
-                    av_freep(&ost->st->codec->extradata);
                 if (ost->logfile) {
                     fclose(ost->logfile);
                     ost->logfile = NULL;
                 }
-                av_freep(&ost->st->codec->subtitle_header);
                 av_free(ost->forced_kf_pts);
-                av_dict_free(&ost->opts);
+                av_dict_free(&ost->encoder_opts);
                 av_dict_free(&ost->resample_opts);
             }
         }
@@ -2324,7 +2625,7 @@ static int64_t getutime(void)
     GetProcessTimes(proc, &c, &e, &k, &u);
     return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
 #else
-    return av_gettime();
+    return av_gettime_relative();
 #endif
 }
 
@@ -2351,7 +2652,7 @@ int main(int argc, char **argv)
     int ret;
     int64_t ti;
 
-    atexit(exit_program);
+    register_exit(avconv_cleanup);
 
     av_log_set_flags(AV_LOG_SKIP_REPEATED);
     parse_loglevel(argc, argv, options);
@@ -2369,29 +2670,29 @@ int main(int argc, char **argv)
     /* parse options and open all input/output files */
     ret = avconv_parse_options(argc, argv);
     if (ret < 0)
-        exit(1);
+        exit_program(1);
 
     if (nb_output_files <= 0 && nb_input_files == 0) {
         show_usage();
         av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
-        exit(1);
+        exit_program(1);
     }
 
     /* file converter / grab */
     if (nb_output_files <= 0) {
         fprintf(stderr, "At least one output file must be specified\n");
-        exit(1);
+        exit_program(1);
     }
 
     ti = getutime();
     if (transcode() < 0)
-        exit(1);
+        exit_program(1);
     ti = getutime() - ti;
     if (do_benchmark) {
         int maxrss = getmaxrss() / 1024;
         printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
     }
 
-    exit(0);
+    exit_program(0);
     return 0;
 }