avformat: Free the internal codec context at the end
[ffmpeg.git] / libavformat / oggenc.c
index e082a7e..2fef74a 100644 (file)
@@ -35,7 +35,7 @@
 
 #define MAX_PAGE_SIZE 65025
 
-typedef struct {
+typedef struct OGGPage {
     int64_t start_granule;
     int64_t granule;
     int stream_index;
@@ -46,7 +46,7 @@ typedef struct {
     uint16_t size;
 } OGGPage;
 
-typedef struct {
+typedef struct OGGStreamContext {
     unsigned page_counter;
     uint8_t *header[3];
     int header_len[3];
@@ -66,32 +66,35 @@ typedef struct OGGPageList {
     struct OGGPageList *next;
 } OGGPageList;
 
-typedef struct {
+typedef struct OGGContext {
     const AVClass *class;
     OGGPageList *page_list;
     int pref_size; ///< preferred page size (0 => fill all segments)
     int64_t pref_duration;      ///< preferred page duration (0 => fill all segments)
+    int serial_offset;
 } OGGContext;
 
 #define OFFSET(x) offsetof(OGGContext, x)
 #define PARAM AV_OPT_FLAG_ENCODING_PARAM
 
 static const AVOption options[] = {
+    { "serial_offset", "serial number offset",
+        OFFSET(serial_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, PARAM },
     { "pagesize", "preferred page size in bytes (deprecated)",
         OFFSET(pref_size), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, MAX_PAGE_SIZE, PARAM },
     { "page_duration", "preferred page duration, in microseconds",
-        OFFSET(pref_duration), AV_OPT_TYPE_INT, { .i64 = 1000000 }, 0, INT64_MAX, PARAM },
+        OFFSET(pref_duration), AV_OPT_TYPE_INT64, { .i64 = 1000000 }, 0, INT64_MAX, PARAM },
     { NULL },
 };
 
-static const AVClass ogg_muxer_class = {
-    .class_name = "Ogg muxer",
-    .item_name  = av_default_item_name,
-    .option     = options,
-    .version    = LIBAVUTIL_VERSION_INT,
+#define OGG_CLASS(flavor)\
+static const AVClass flavor ## _muxer_class = {\
+    .class_name = #flavor " muxer",\
+    .item_name  = av_default_item_name,\
+    .option     = options,\
+    .version    = LIBAVUTIL_VERSION_INT,\
 };
 
-
 static void ogg_update_checksum(AVFormatContext *s, AVIOContext *pb, int64_t crc_offset)
 {
     int64_t pos = avio_tell(pb);
@@ -209,7 +212,7 @@ static int ogg_buffer_data(AVFormatContext *s, AVStream *st,
     int i, segments, len, flush = 0;
 
     // Handles VFR by flushing page because this frame needs to have a timestamp
-    if (st->codec->codec_id == AV_CODEC_ID_THEORA && !header &&
+    if (st->codecpar->codec_id == AV_CODEC_ID_THEORA && !header &&
         ogg_granule_to_timestamp(oggstream, granule) >
         ogg_granule_to_timestamp(oggstream, oggstream->last_granule) + 1) {
         if (oggstream->page.granule != -1)
@@ -273,18 +276,17 @@ static uint8_t *ogg_write_vorbiscomment(int offset, int bitexact,
     const char *vendor = bitexact ? "Libav" : LIBAVFORMAT_IDENT;
     int size;
     uint8_t *p, *p0;
-    unsigned int count;
 
     ff_metadata_conv(m, ff_vorbiscomment_metadata_conv, NULL);
 
-    size = offset + ff_vorbiscomment_length(*m, vendor, &count) + framing_bit;
+    size = offset + ff_vorbiscomment_length(*m, vendor) + framing_bit;
     p = av_mallocz(size);
     if (!p)
         return NULL;
     p0 = p;
 
     p += offset;
-    ff_vorbiscomment_write(&p, m, vendor, count);
+    ff_vorbiscomment_write(&p, m, vendor);
     if (framing_bit)
         bytestream_put_byte(&p, 1);
 
@@ -292,16 +294,14 @@ static uint8_t *ogg_write_vorbiscomment(int offset, int bitexact,
     return p0;
 }
 
-static int ogg_build_flac_headers(AVCodecContext *avctx,
+static int ogg_build_flac_headers(AVCodecParameters *par,
                                   OGGStreamContext *oggstream, int bitexact,
                                   AVDictionary **m)
 {
-    enum FLACExtradataFormat format;
-    uint8_t *streaminfo;
     uint8_t *p;
 
-    if (!avpriv_flac_is_extradata_valid(avctx, &format, &streaminfo))
-        return -1;
+    if (par->extradata_size < FLAC_STREAMINFO_SIZE)
+        return AVERROR(EINVAL);
 
     // first packet: STREAMINFO
     oggstream->header_len[0] = 51;
@@ -317,7 +317,7 @@ static int ogg_build_flac_headers(AVCodecContext *avctx,
     bytestream_put_buffer(&p, "fLaC", 4);
     bytestream_put_byte(&p, 0x00); // streaminfo
     bytestream_put_be24(&p, 34);
-    bytestream_put_buffer(&p, streaminfo, FLAC_STREAMINFO_SIZE);
+    bytestream_put_buffer(&p, par->extradata, FLAC_STREAMINFO_SIZE);
 
     // second packet: VorbisComment
     p = ogg_write_vorbiscomment(4, bitexact, &oggstream->header_len[1], m, 0);
@@ -332,13 +332,13 @@ static int ogg_build_flac_headers(AVCodecContext *avctx,
 
 #define SPEEX_HEADER_SIZE 80
 
-static int ogg_build_speex_headers(AVCodecContext *avctx,
+static int ogg_build_speex_headers(AVCodecParameters *par,
                                    OGGStreamContext *oggstream, int bitexact,
                                    AVDictionary **m)
 {
     uint8_t *p;
 
-    if (avctx->extradata_size < SPEEX_HEADER_SIZE)
+    if (par->extradata_size < SPEEX_HEADER_SIZE)
         return -1;
 
     // first packet: Speex header
@@ -347,7 +347,7 @@ static int ogg_build_speex_headers(AVCodecContext *avctx,
         return AVERROR(ENOMEM);
     oggstream->header[0] = p;
     oggstream->header_len[0] = SPEEX_HEADER_SIZE;
-    bytestream_put_buffer(&p, avctx->extradata, SPEEX_HEADER_SIZE);
+    bytestream_put_buffer(&p, par->extradata, SPEEX_HEADER_SIZE);
     AV_WL32(&oggstream->header[0][68], 0);  // set extra_headers to 0
 
     // second packet: VorbisComment
@@ -361,22 +361,22 @@ static int ogg_build_speex_headers(AVCodecContext *avctx,
 
 #define OPUS_HEADER_SIZE 19
 
-static int ogg_build_opus_headers(AVCodecContext *avctx,
+static int ogg_build_opus_headers(AVCodecParameters *par,
                                   OGGStreamContext *oggstream, int bitexact,
                                   AVDictionary **m)
 {
     uint8_t *p;
 
-    if (avctx->extradata_size < OPUS_HEADER_SIZE)
+    if (par->extradata_size < OPUS_HEADER_SIZE)
         return -1;
 
     /* first packet: Opus header */
-    p = av_mallocz(avctx->extradata_size);
+    p = av_mallocz(par->extradata_size);
     if (!p)
         return AVERROR(ENOMEM);
     oggstream->header[0] = p;
-    oggstream->header_len[0] = avctx->extradata_size;
-    bytestream_put_buffer(&p, avctx->extradata, avctx->extradata_size);
+    oggstream->header_len[0] = par->extradata_size;
+    bytestream_put_buffer(&p, par->extradata, par->extradata_size);
 
     /* second packet: VorbisComment */
     p = ogg_write_vorbiscomment(8, bitexact, &oggstream->header_len[1], m, 0);
@@ -402,7 +402,7 @@ static void ogg_write_pages(AVFormatContext *s, int flush)
         if (oggstream->page_count < 2 && !flush)
             break;
         ogg_write_page(s, &p->page,
-                       flush && oggstream->page_count == 1 ? 4 : 0); // eos
+                       flush == 1 && oggstream->page_count == 1 ? 4 : 0); // eos
         next = p->next;
         av_freep(&p);
         p = next;
@@ -421,30 +421,31 @@ static int ogg_write_header(AVFormatContext *s)
 
     for (i = 0; i < s->nb_streams; i++) {
         AVStream *st = s->streams[i];
-        unsigned serial_num = i;
+        unsigned serial_num = i + ogg->serial_offset;
 
-        if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
-            if (st->codec->codec_id == AV_CODEC_ID_OPUS)
+        if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
+            if (st->codecpar->codec_id == AV_CODEC_ID_OPUS)
                 /* Opus requires a fixed 48kHz clock */
                 avpriv_set_pts_info(st, 64, 1, 48000);
             else
-                avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
-        else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
-            avpriv_set_pts_info(st, 64, st->codec->time_base.num, st->codec->time_base.den);
-        if (st->codec->codec_id != AV_CODEC_ID_VORBIS &&
-            st->codec->codec_id != AV_CODEC_ID_THEORA &&
-            st->codec->codec_id != AV_CODEC_ID_SPEEX  &&
-            st->codec->codec_id != AV_CODEC_ID_FLAC   &&
-            st->codec->codec_id != AV_CODEC_ID_OPUS) {
+                avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
+
+        if (st->codecpar->codec_id != AV_CODEC_ID_VORBIS &&
+            st->codecpar->codec_id != AV_CODEC_ID_THEORA &&
+            st->codecpar->codec_id != AV_CODEC_ID_SPEEX  &&
+            st->codecpar->codec_id != AV_CODEC_ID_FLAC   &&
+            st->codecpar->codec_id != AV_CODEC_ID_OPUS) {
             av_log(s, AV_LOG_ERROR, "Unsupported codec id in stream %d\n", i);
             return -1;
         }
 
-        if (!st->codec->extradata || !st->codec->extradata_size) {
+        if (!st->codecpar->extradata || !st->codecpar->extradata_size) {
             av_log(s, AV_LOG_ERROR, "No extradata present\n");
             return -1;
         }
         oggstream = av_mallocz(sizeof(*oggstream));
+        if (!oggstream)
+            return AVERROR(ENOMEM);
         oggstream->page.stream_index = i;
 
         if (!(s->flags & AVFMT_FLAG_BITEXACT))
@@ -459,8 +460,8 @@ static int ogg_write_header(AVFormatContext *s)
         oggstream->serial_num = serial_num;
 
         st->priv_data = oggstream;
-        if (st->codec->codec_id == AV_CODEC_ID_FLAC) {
-            int err = ogg_build_flac_headers(st->codec, oggstream,
+        if (st->codecpar->codec_id == AV_CODEC_ID_FLAC) {
+            int err = ogg_build_flac_headers(st->codecpar, oggstream,
                                              s->flags & AVFMT_FLAG_BITEXACT,
                                              &s->metadata);
             if (err) {
@@ -468,8 +469,8 @@ static int ogg_write_header(AVFormatContext *s)
                 av_freep(&st->priv_data);
                 return err;
             }
-        } else if (st->codec->codec_id == AV_CODEC_ID_SPEEX) {
-            int err = ogg_build_speex_headers(st->codec, oggstream,
+        } else if (st->codecpar->codec_id == AV_CODEC_ID_SPEEX) {
+            int err = ogg_build_speex_headers(st->codecpar, oggstream,
                                               s->flags & AVFMT_FLAG_BITEXACT,
                                               &s->metadata);
             if (err) {
@@ -477,8 +478,8 @@ static int ogg_write_header(AVFormatContext *s)
                 av_freep(&st->priv_data);
                 return err;
             }
-        } else if (st->codec->codec_id == AV_CODEC_ID_OPUS) {
-            int err = ogg_build_opus_headers(st->codec, oggstream,
+        } else if (st->codecpar->codec_id == AV_CODEC_ID_OPUS) {
+            int err = ogg_build_opus_headers(st->codecpar, oggstream,
                                              s->flags & AVFMT_FLAG_BITEXACT,
                                              &s->metadata);
             if (err) {
@@ -488,12 +489,12 @@ static int ogg_write_header(AVFormatContext *s)
             }
         } else {
             uint8_t *p;
-            const char *cstr = st->codec->codec_id == AV_CODEC_ID_VORBIS ? "vorbis" : "theora";
-            int header_type = st->codec->codec_id == AV_CODEC_ID_VORBIS ? 3 : 0x81;
-            int framing_bit = st->codec->codec_id == AV_CODEC_ID_VORBIS ? 1 : 0;
+            const char *cstr = st->codecpar->codec_id == AV_CODEC_ID_VORBIS ? "vorbis" : "theora";
+            int header_type = st->codecpar->codec_id == AV_CODEC_ID_VORBIS ? 3 : 0x81;
+            int framing_bit = st->codecpar->codec_id == AV_CODEC_ID_VORBIS ? 1 : 0;
 
-            if (avpriv_split_xiph_headers(st->codec->extradata, st->codec->extradata_size,
-                                      st->codec->codec_id == AV_CODEC_ID_VORBIS ? 30 : 42,
+            if (avpriv_split_xiph_headers(st->codecpar->extradata, st->codecpar->extradata_size,
+                                      st->codecpar->codec_id == AV_CODEC_ID_VORBIS ? 30 : 42,
                                       oggstream->header, oggstream->header_len) < 0) {
                 av_log(s, AV_LOG_ERROR, "Extradata corrupted\n");
                 av_freep(&st->priv_data);
@@ -510,7 +511,7 @@ static int ogg_write_header(AVFormatContext *s)
             bytestream_put_byte(&p, header_type);
             bytestream_put_buffer(&p, cstr, 6);
 
-            if (st->codec->codec_id == AV_CODEC_ID_THEORA) {
+            if (st->codecpar->codec_id == AV_CODEC_ID_THEORA) {
                 /** KFGSHIFT is the width of the less significant section of the granule position
                     The less significant section is the frame count since the last keyframe */
                 oggstream->kfgshift = ((oggstream->header[0][40]&3)<<3)|(oggstream->header[0][41]>>5);
@@ -532,7 +533,7 @@ static int ogg_write_header(AVFormatContext *s)
         AVStream *st = s->streams[j];
         OGGStreamContext *oggstream = st->priv_data;
         for (i = 1; i < 3; i++) {
-            if (oggstream && oggstream->header_len[i])
+            if (oggstream->header_len[i])
                 ogg_buffer_data(s, st, oggstream->header[i],
                                 oggstream->header_len[i], 0, 1);
         }
@@ -541,19 +542,19 @@ static int ogg_write_header(AVFormatContext *s)
 
     oggstream->page.start_granule = AV_NOPTS_VALUE;
 
-    ogg_write_pages(s, 1);
+    ogg_write_pages(s, 2);
 
     return 0;
 }
 
-static int ogg_write_packet(AVFormatContext *s, AVPacket *pkt)
+static int ogg_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
 {
     AVStream *st = s->streams[pkt->stream_index];
     OGGStreamContext *oggstream = st->priv_data;
     int ret;
     int64_t granule;
 
-    if (st->codec->codec_id == AV_CODEC_ID_THEORA) {
+    if (st->codecpar->codec_id == AV_CODEC_ID_THEORA) {
         int64_t pts = oggstream->vrev < 1 ? pkt->pts : pkt->pts + pkt->duration;
         int pframe_count;
         if (pkt->flags & AV_PKT_FLAG_KEY)
@@ -565,8 +566,11 @@ static int ogg_write_packet(AVFormatContext *s, AVPacket *pkt)
             pframe_count = 0;
         }
         granule = (oggstream->last_kf_pts<<oggstream->kfgshift) | pframe_count;
-    } else if (st->codec->codec_id == AV_CODEC_ID_OPUS)
-        granule = pkt->pts + pkt->duration + av_rescale_q(st->codec->delay, (AVRational){ 1, st->codec->sample_rate }, st->time_base);
+    } else if (st->codecpar->codec_id == AV_CODEC_ID_OPUS)
+        granule = pkt->pts + pkt->duration +
+                  av_rescale_q(st->codecpar->initial_padding,
+                               (AVRational){ 1, st->codecpar->sample_rate },
+                               st->time_base);
     else
         granule = pkt->pts + pkt->duration;
 
@@ -584,6 +588,23 @@ static int ogg_write_packet(AVFormatContext *s, AVPacket *pkt)
     return 0;
 }
 
+static int ogg_write_packet(AVFormatContext *s, AVPacket *pkt)
+{
+    int i;
+
+    if (pkt)
+        return ogg_write_packet_internal(s, pkt);
+
+    for (i = 0; i < s->nb_streams; i++) {
+        OGGStreamContext *oggstream = s->streams[i]->priv_data;
+        if (oggstream->page.segments_count)
+            ogg_buffer_page(s, oggstream);
+    }
+
+    ogg_write_pages(s, 2);
+    return 0;
+}
+
 static int ogg_write_trailer(AVFormatContext *s)
 {
     int i;
@@ -601,9 +622,9 @@ static int ogg_write_trailer(AVFormatContext *s)
     for (i = 0; i < s->nb_streams; i++) {
         AVStream *st = s->streams[i];
         OGGStreamContext *oggstream = st->priv_data;
-        if (st->codec->codec_id == AV_CODEC_ID_FLAC ||
-            st->codec->codec_id == AV_CODEC_ID_SPEEX ||
-            st->codec->codec_id == AV_CODEC_ID_OPUS) {
+        if (st->codecpar->codec_id == AV_CODEC_ID_FLAC ||
+            st->codecpar->codec_id == AV_CODEC_ID_SPEEX ||
+            st->codecpar->codec_id == AV_CODEC_ID_OPUS) {
             av_free(oggstream->header[0]);
         }
         av_freep(&oggstream->header[1]);
@@ -612,11 +633,13 @@ static int ogg_write_trailer(AVFormatContext *s)
     return 0;
 }
 
+#if CONFIG_OGG_MUXER
+OGG_CLASS(ogg)
 AVOutputFormat ff_ogg_muxer = {
     .name              = "ogg",
     .long_name         = NULL_IF_CONFIG_SMALL("Ogg"),
     .mime_type         = "application/ogg",
-    .extensions        = "ogg,ogv,spx,opus",
+    .extensions        = "ogg,ogv",
     .priv_data_size    = sizeof(OGGContext),
     .audio_codec       = CONFIG_LIBVORBIS_ENCODER ?
                          AV_CODEC_ID_VORBIS : AV_CODEC_ID_FLAC,
@@ -624,6 +647,59 @@ AVOutputFormat ff_ogg_muxer = {
     .write_header      = ogg_write_header,
     .write_packet      = ogg_write_packet,
     .write_trailer     = ogg_write_trailer,
-    .flags             = AVFMT_TS_NEGATIVE,
+    .flags             = AVFMT_TS_NEGATIVE | AVFMT_ALLOW_FLUSH,
     .priv_class        = &ogg_muxer_class,
 };
+#endif
+
+#if CONFIG_OGA_MUXER
+OGG_CLASS(oga)
+AVOutputFormat ff_oga_muxer = {
+    .name              = "oga",
+    .long_name         = NULL_IF_CONFIG_SMALL("Ogg Audio"),
+    .mime_type         = "audio/ogg",
+    .extensions        = "oga",
+    .priv_data_size    = sizeof(OGGContext),
+    .audio_codec       = CONFIG_LIBVORBIS_ENCODER ?
+                         AV_CODEC_ID_VORBIS : AV_CODEC_ID_FLAC,
+    .write_header      = ogg_write_header,
+    .write_packet      = ogg_write_packet,
+    .write_trailer     = ogg_write_trailer,
+    .flags             = AVFMT_TS_NEGATIVE | AVFMT_ALLOW_FLUSH,
+    .priv_class        = &oga_muxer_class,
+};
+#endif
+
+#if CONFIG_SPX_MUXER
+OGG_CLASS(spx)
+AVOutputFormat ff_spx_muxer = {
+    .name              = "spx",
+    .long_name         = NULL_IF_CONFIG_SMALL("Ogg Speex"),
+    .mime_type         = "audio/ogg",
+    .extensions        = "spx",
+    .priv_data_size    = sizeof(OGGContext),
+    .audio_codec       = AV_CODEC_ID_SPEEX,
+    .write_header      = ogg_write_header,
+    .write_packet      = ogg_write_packet,
+    .write_trailer     = ogg_write_trailer,
+    .flags             = AVFMT_TS_NEGATIVE | AVFMT_ALLOW_FLUSH,
+    .priv_class        = &spx_muxer_class,
+};
+#endif
+
+#if CONFIG_OPUS_MUXER
+OGG_CLASS(opus)
+AVOutputFormat ff_opus_muxer = {
+    .name              = "opus",
+    .long_name         = NULL_IF_CONFIG_SMALL("Ogg Opus"),
+    .mime_type         = "audio/ogg",
+    .extensions        = "opus",
+    .priv_data_size    = sizeof(OGGContext),
+    .audio_codec       = AV_CODEC_ID_OPUS,
+    .write_header      = ogg_write_header,
+    .write_packet      = ogg_write_packet,
+    .write_trailer     = ogg_write_trailer,
+    .flags             = AVFMT_TS_NEGATIVE | AVFMT_ALLOW_FLUSH,
+    .priv_class        = &opus_muxer_class,
+};
+#endif