rtpenc_mpegts: Free the right ->pb in the error path in the init function
[ffmpeg.git] / avconv.c
index 84860f6..30c1ea8 100644 (file)
--- a/avconv.c
+++ b/avconv.c
@@ -191,6 +191,8 @@ static void avconv_cleanup(int ret)
         av_freep(&ost->avfilter);
         av_freep(&ost->logfile_prefix);
 
+        avcodec_free_context(&ost->enc_ctx);
+
         av_freep(&output_streams[i]);
     }
     for (i = 0; i < nb_input_files; i++) {
@@ -206,6 +208,8 @@ static void avconv_cleanup(int ret)
         av_freep(&ist->filters);
         av_freep(&ist->hwaccel_device);
 
+        avcodec_free_context(&ist->dec_ctx);
+
         av_freep(&input_streams[i]);
     }
 
@@ -314,7 +318,7 @@ static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
 {
     AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
-    AVCodecContext          *avctx = ost->st->codec;
+    AVCodecContext          *avctx = ost->enc_ctx;
     int ret;
 
     /*
@@ -392,7 +396,7 @@ 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;
@@ -403,7 +407,7 @@ 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;
 
@@ -424,13 +428,7 @@ static void do_audio_out(AVFormatContext *s, OutputStream *ost,
     }
 
     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);
     }
 }
@@ -454,7 +452,7 @@ static void do_subtitle_out(AVFormatContext *s,
         return;
     }
 
-    enc = ost->st->codec;
+    enc = ost->enc_ctx;
 
     if (!subtitle_out) {
         subtitle_out = av_malloc(subtitle_out_max_size);
@@ -511,7 +509,7 @@ static void do_video_out(AVFormatContext *s,
 {
     int ret, format_video_sync;
     AVPacket pkt;
-    AVCodecContext *enc = ost->st->codec;
+    AVCodecContext *enc = ost->enc_ctx;
 
     *frame_size = 0;
 
@@ -561,13 +559,12 @@ static void do_video_out(AVFormatContext *s,
     } else {
         int got_packet;
 
-        if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
+        if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
             ost->top_field_first >= 0)
             in_picture->top_field_first = !!ost->top_field_first;
 
-        in_picture->quality = ost->st->codec->global_quality;
-        if (!enc->me_threshold)
-            in_picture->pict_type = 0;
+        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;
@@ -583,11 +580,7 @@ static void do_video_out(AVFormatContext *s,
         }
 
         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);
-
+            av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
             write_frame(s, &pkt, ost);
             *frame_size = pkt.size;
 
@@ -626,7 +619,7 @@ static void do_video_stats(OutputStream *ost, int frame_size)
         }
     }
 
-    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);
@@ -664,7 +657,7 @@ static int poll_filter(OutputStream *ost)
     if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
         !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
         ret = av_buffersink_get_samples(ost->filter->filter, filtered_frame,
-                                         ost->st->codec->frame_size);
+                                         ost->enc_ctx->frame_size);
     else
         ret = av_buffersink_get_frame(ost->filter->filter, filtered_frame);
 
@@ -675,16 +668,16 @@ static int poll_filter(OutputStream *ost)
         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) -
+                                           ost->enc_ctx->time_base) -
                               av_rescale_q(start_time,
                                            AV_TIME_BASE_Q,
-                                           ost->st->codec->time_base);
+                                           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 = filtered_frame->sample_aspect_ratio;
+            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)
@@ -703,6 +696,19 @@ static int poll_filter(OutputStream *ost)
     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.
  *
@@ -713,7 +719,7 @@ 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;
@@ -726,7 +732,7 @@ 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;
@@ -740,15 +746,7 @@ 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;
@@ -766,12 +764,12 @@ static void print_final_stats(int64_t total_size)
 
     for (i = 0; i < nb_output_streams; i++) {
         OutputStream *ost = output_streams[i];
-        switch (ost->st->codec->codec_type) {
+        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->st->codec->extradata_size;
+        extra_size += ost->enc_ctx->extradata_size;
         data_size  += ost->data_size;
     }
 
@@ -800,7 +798,7 @@ static void print_final_stats(int64_t total_size)
 
         for (j = 0; j < f->nb_streams; j++) {
             InputStream *ist = input_streams[f->ist_index + j];
-            enum AVMediaType type = ist->st->codec->codec_type;
+            enum AVMediaType type = ist->dec_ctx->codec_type;
 
             total_size    += ist->data_size;
             total_packets += ist->nb_packets;
@@ -834,7 +832,7 @@ static void print_final_stats(int64_t total_size)
 
         for (j = 0; j < of->ctx->nb_streams; j++) {
             OutputStream *ost = output_streams[of->ost_index + j];
-            enum AVMediaType type = ost->st->codec->codec_type;
+            enum AVMediaType type = ost->enc_ctx->codec_type;
 
             total_size    += ost->data_size;
             total_packets += ost->packets_written;
@@ -878,7 +876,7 @@ 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;
@@ -908,14 +906,14 @@ 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;
+        enc = ost->enc_ctx;
         if (!ost->stream_copy && enc->coded_frame)
             q = enc->coded_frame->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 ",
@@ -955,7 +953,7 @@ static void print_report(int is_last_report, int64_t timer_start)
             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;
     }
@@ -987,23 +985,23 @@ 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)
+        if (enc->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_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
             continue;
 
         for (;;) {
             int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
             const char *desc;
 
-            switch (ost->st->codec->codec_type) {
+            switch (enc->codec_type) {
             case AVMEDIA_TYPE_AUDIO:
                 encode = avcodec_encode_audio2;
                 desc   = "Audio";
@@ -1035,12 +1033,7 @@ 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);
             }
 
@@ -1098,7 +1091,7 @@ static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *p
     }
 
     /* force the input stream PTS */
-    if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
+    if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
         ost->sync_opts++;
 
     if (pkt->pts != AV_NOPTS_VALUE)
@@ -1116,10 +1109,10 @@ 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(ost->parser, ost->st->codec,
                              &opkt.data, &opkt.size,
@@ -1139,7 +1132,7 @@ static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *p
 
 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];
@@ -1158,7 +1151,7 @@ int guess_input_channel_layout(InputStream *ist)
 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
 {
     AVFrame *decoded_frame, *f;
-    AVCodecContext *avctx = ist->st->codec;
+    AVCodecContext *avctx = ist->dec_ctx;
     int i, ret, err = 0, resample_changed;
 
     if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
@@ -1231,7 +1224,7 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
     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});
+                                          (AVRational){1, avctx->sample_rate});
     for (i = 0; i < ist->nb_filters; i++) {
         if (i < ist->nb_filters - 1) {
             f = ist->filter_frame;
@@ -1262,7 +1255,7 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
         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) {
@@ -1275,7 +1268,7 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
     ist->frames_decoded++;
 
     if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
-        err = ist->hwaccel_retrieve_data(ist->st->codec, decoded_frame);
+        err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
         if (err < 0)
             goto fail;
     }
@@ -1337,7 +1330,7 @@ fail:
 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;
@@ -1360,7 +1353,7 @@ static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
 }
 
 /* pkt = NULL means EOF (needed to flush decoder buffers) */
-static int output_packet(InputStream *ist, const AVPacket *pkt)
+static int process_input_packet(InputStream *ist, const AVPacket *pkt)
 {
     int i;
     int got_output;
@@ -1369,7 +1362,7 @@ 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;
@@ -1396,7 +1389,7 @@ static int output_packet(InputStream *ist, const AVPacket *pkt)
             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;
@@ -1407,10 +1400,10 @@ 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:
@@ -1435,17 +1428,17 @@ static int output_packet(InputStream *ist, const AVPacket *pkt)
     /* handle stream copy */
     if (!ist->decoding_needed) {
         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;
         }
@@ -1514,7 +1507,7 @@ static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat
                        "%s hwaccel requested for input stream #%d:%d, "
                        "but cannot be initialized.\n", hwaccel->name,
                        ist->file_index, ist->st->index);
-                exit_program(1);
+                return AV_PIX_FMT_NONE;
             }
             continue;
         }
@@ -1544,7 +1537,7 @@ static int init_input_stream(int ist_index, char *error, int error_len)
         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);
         }
 
@@ -1553,21 +1546,21 @@ static int init_input_stream(int ist_index, char *error, int error_len)
         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);
+                update_sample_fmt(ist->dec_ctx, codec, ost->enc_ctx);
                 break;
             }
         }
 
-        ist->st->codec->opaque      = ist;
-        ist->st->codec->get_format  = get_format;
-        ist->st->codec->get_buffer2 = get_buffer;
-        ist->st->codec->thread_safe_callbacks = 1;
+        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;
 
-        av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
+        av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 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->st->codec, codec, &ist->decoder_opts)) < 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);
@@ -1583,7 +1576,7 @@ static int init_input_stream(int ist_index, char *error, int error_len)
         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);
 
@@ -1600,7 +1593,7 @@ 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;
     }
 
@@ -1638,6 +1631,34 @@ 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;
@@ -1652,7 +1673,7 @@ 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();
+                input_streams[j + ifile->ist_index]->start = av_gettime_relative();
     }
 
     /* output stream init */
@@ -1681,10 +1702,10 @@ static int transcode_init(void)
         if (ost->attachment_filename)
             continue;
 
-        enc_ctx = ost->st->codec;
+        enc_ctx = ost->enc_ctx;
 
         if (ist) {
-            dec_ctx = ist->st->codec;
+            dec_ctx = ist->dec_ctx;
 
             ost->st->disposition          = ist->st->disposition;
             enc_ctx->bits_per_raw_sample    = dec_ctx->bits_per_raw_sample;
@@ -1732,6 +1753,26 @@ static int transcode_init(void)
             } else
                 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 (enc_ctx->codec_type) {
@@ -1786,6 +1827,8 @@ static int transcode_init(void)
                 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:
              * 1) user specified output framerate with -r
@@ -1850,6 +1893,8 @@ static int transcode_init(void)
                     ost->filter->filter->inputs[0]->sample_aspect_ratio;
                 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
 
+                ost->st->avg_frame_rate = ost->frame_rate;
+
                 if (dec_ctx &&
                     (enc_ctx->width   != dec_ctx->width  ||
                      enc_ctx->height  != dec_ctx->height ||
@@ -1859,7 +1904,7 @@ static int transcode_init(void)
 
                 if (ost->forced_keyframes)
                     parse_forced_key_frames(ost->forced_keyframes, ost,
-                                            ost->st->codec);
+                                            ost->enc_ctx);
                 break;
             case AVMEDIA_TYPE_SUBTITLE:
                 enc_ctx->time_base = (AVRational){1, 1000};
@@ -1911,19 +1956,21 @@ static int transcode_init(void)
             AVCodecContext *dec = NULL;
 
             if ((ist = get_input_stream(ost)))
-                dec = ist->st->codec;
+                dec = ist->dec_ctx;
             if (dec && dec->subtitle_header) {
-                ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
-                if (!ost->st->codec->subtitle_header) {
+                ost->enc_ctx->subtitle_header = av_malloc(dec->subtitle_header_size);
+                if (!ost->enc_ctx->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;
+                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->st->codec, codec, &ost->encoder_opts)) < 0) {
+            av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
+
+            if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_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",
@@ -1931,12 +1978,23 @@ static int transcode_init(void)
                 goto dump_format;
             }
             assert_avoptions(ost->encoder_opts);
-            if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
+            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");
         } else {
-            av_opt_set_dict(ost->st->codec, &ost->encoder_opts);
+            ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
+            if (ret < 0)
+                return ret;
         }
+
+        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;
     }
 
     /* init input streams */
@@ -2036,10 +2094,32 @@ 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 = "?";
+
+            if (in_codec) {
+                decoder_name  = in_codec->name;
+                in_codec_name = avcodec_descriptor_get(in_codec->id)->name;
+                if (!strcmp(decoder_name, in_codec_name))
+                    decoder_name = "native";
+            }
+
+            if (out_codec) {
+                encoder_name   = out_codec->name;
+                out_codec_name = avcodec_descriptor_get(out_codec->id)->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");
     }
 
@@ -2221,7 +2301,7 @@ static int get_input_packet(InputFile *f, AVPacket *pkt)
         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() - ist->start;
+            int64_t now = av_gettime_relative() - ist->start;
             if (pts > now)
                 return AVERROR(EAGAIN);
         }
@@ -2301,7 +2381,7 @@ static int process_input(void)
         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);
 
             /* mark all outputs that don't go through lavfi as finished */
             for (j = 0; j < nb_output_streams; j++) {
@@ -2309,7 +2389,7 @@ 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);
             }
         }
 
@@ -2361,7 +2441,9 @@ 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;
@@ -2377,7 +2459,7 @@ static int process_input(void)
         }
     }
 
-    ret = output_packet(ist, &pkt);
+    ret = process_input_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);
@@ -2409,7 +2491,7 @@ 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)
@@ -2450,7 +2532,7 @@ 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);
         }
     }
     poll_filters();
@@ -2471,8 +2553,7 @@ 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);
         }
     }
 
@@ -2480,9 +2561,9 @@ 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->st->codec);
+                ist->hwaccel_uninit(ist->dec_ctx);
         }
     }
 
@@ -2498,13 +2579,10 @@ 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->encoder_opts);
                 av_dict_free(&ost->resample_opts);
@@ -2528,7 +2606,7 @@ 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
 }