diff options
Diffstat (limited to 'libavformat/flvenc.c')
-rw-r--r-- | libavformat/flvenc.c | 152 |
1 files changed, 76 insertions, 76 deletions
diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c index 49c52357e2..2dfe3ae867 100644 --- a/libavformat/flvenc.c +++ b/libavformat/flvenc.c @@ -61,37 +61,37 @@ typedef struct FLVContext { int64_t duration; int64_t delay; ///< first dts delay (needed for AVC & Speex) - AVCodecContext *audio_enc; - AVCodecContext *video_enc; + AVCodecParameters *audio_par; + AVCodecParameters *video_par; double framerate; - AVCodecContext *data_enc; + AVCodecParameters *data_par; } FLVContext; typedef struct FLVStreamContext { int64_t last_ts; ///< last timestamp for each stream } FLVStreamContext; -static int get_audio_flags(AVFormatContext *s, AVCodecContext *enc) +static int get_audio_flags(AVFormatContext *s, AVCodecParameters *par) { - int flags = (enc->bits_per_coded_sample == 16) ? FLV_SAMPLESSIZE_16BIT + int flags = (par->bits_per_coded_sample == 16) ? FLV_SAMPLESSIZE_16BIT : FLV_SAMPLESSIZE_8BIT; - if (enc->codec_id == AV_CODEC_ID_AAC) // specs force these parameters + if (par->codec_id == AV_CODEC_ID_AAC) // specs force these parameters return FLV_CODECID_AAC | FLV_SAMPLERATE_44100HZ | FLV_SAMPLESSIZE_16BIT | FLV_STEREO; - else if (enc->codec_id == AV_CODEC_ID_SPEEX) { - if (enc->sample_rate != 16000) { + else if (par->codec_id == AV_CODEC_ID_SPEEX) { + if (par->sample_rate != 16000) { av_log(s, AV_LOG_ERROR, "flv only supports wideband (16kHz) Speex audio\n"); return -1; } - if (enc->channels != 1) { + if (par->channels != 1) { av_log(s, AV_LOG_ERROR, "flv only supports mono Speex audio\n"); return -1; } return FLV_CODECID_SPEEX | FLV_SAMPLERATE_11025HZ | FLV_SAMPLESSIZE_16BIT; } else { - switch (enc->sample_rate) { + switch (par->sample_rate) { case 44100: flags |= FLV_SAMPLERATE_44100HZ; break; @@ -104,7 +104,7 @@ static int get_audio_flags(AVFormatContext *s, AVCodecContext *enc) case 16000: // nellymoser only case 8000: // nellymoser only case 5512: // not MP3 - if (enc->codec_id != AV_CODEC_ID_MP3) { + if (par->codec_id != AV_CODEC_ID_MP3) { flags |= FLV_SAMPLERATE_SPECIAL; break; } @@ -116,10 +116,10 @@ static int get_audio_flags(AVFormatContext *s, AVCodecContext *enc) } } - if (enc->channels > 1) + if (par->channels > 1) flags |= FLV_STEREO; - switch (enc->codec_id) { + switch (par->codec_id) { case AV_CODEC_ID_MP3: flags |= FLV_CODECID_MP3 | FLV_SAMPLESSIZE_16BIT; break; @@ -136,9 +136,9 @@ static int get_audio_flags(AVFormatContext *s, AVCodecContext *enc) flags |= FLV_CODECID_ADPCM | FLV_SAMPLESSIZE_16BIT; break; case AV_CODEC_ID_NELLYMOSER: - if (enc->sample_rate == 8000) + if (par->sample_rate == 8000) flags |= FLV_CODECID_NELLYMOSER_8KHZ_MONO | FLV_SAMPLESSIZE_16BIT; - else if (enc->sample_rate == 16000) + else if (par->sample_rate == 16000) flags |= FLV_CODECID_NELLYMOSER_16KHZ_MONO | FLV_SAMPLESSIZE_16BIT; else flags |= FLV_CODECID_NELLYMOSER | FLV_SAMPLESSIZE_16BIT; @@ -150,7 +150,7 @@ static int get_audio_flags(AVFormatContext *s, AVCodecContext *enc) flags = FLV_CODECID_PCM_ALAW | FLV_SAMPLERATE_SPECIAL | FLV_SAMPLESSIZE_16BIT; break; case 0: - flags |= enc->codec_tag << 4; + flags |= par->codec_tag << 4; break; default: av_log(s, AV_LOG_ERROR, "codec not compatible with flv\n"); @@ -216,9 +216,9 @@ static void write_metadata(AVFormatContext *s, unsigned int ts) /* mixed array (hash) with size and string/type/data tuples */ avio_w8(pb, AMF_DATA_TYPE_MIXEDARRAY); metadata_count_pos = avio_tell(pb); - metadata_count = 4 * !!flv->video_enc + - 5 * !!flv->audio_enc + - 1 * !!flv->data_enc + + metadata_count = 4 * !!flv->video_par + + 5 * !!flv->audio_par + + 1 * !!flv->data_par + 2; // +2 for duration and file size avio_wb32(pb, metadata_count); @@ -229,15 +229,15 @@ static void write_metadata(AVFormatContext *s, unsigned int ts) // fill in the guessed duration, it'll be corrected later if incorrect put_amf_double(pb, s->duration / AV_TIME_BASE); - if (flv->video_enc) { + if (flv->video_par) { put_amf_string(pb, "width"); - put_amf_double(pb, flv->video_enc->width); + put_amf_double(pb, flv->video_par->width); put_amf_string(pb, "height"); - put_amf_double(pb, flv->video_enc->height); + put_amf_double(pb, flv->video_par->height); put_amf_string(pb, "videodatarate"); - put_amf_double(pb, flv->video_enc->bit_rate / 1024.0); + put_amf_double(pb, flv->video_par->bit_rate / 1024.0); if (flv->framerate != 0.0) { put_amf_string(pb, "framerate"); @@ -246,27 +246,27 @@ static void write_metadata(AVFormatContext *s, unsigned int ts) } put_amf_string(pb, "videocodecid"); - put_amf_double(pb, flv->video_enc->codec_tag); + put_amf_double(pb, flv->video_par->codec_tag); } - if (flv->audio_enc) { + if (flv->audio_par) { put_amf_string(pb, "audiodatarate"); - put_amf_double(pb, flv->audio_enc->bit_rate / 1024.0); + put_amf_double(pb, flv->audio_par->bit_rate / 1024.0); put_amf_string(pb, "audiosamplerate"); - put_amf_double(pb, flv->audio_enc->sample_rate); + put_amf_double(pb, flv->audio_par->sample_rate); put_amf_string(pb, "audiosamplesize"); - put_amf_double(pb, flv->audio_enc->codec_id == AV_CODEC_ID_PCM_U8 ? 8 : 16); + put_amf_double(pb, flv->audio_par->codec_id == AV_CODEC_ID_PCM_U8 ? 8 : 16); put_amf_string(pb, "stereo"); - put_amf_bool(pb, flv->audio_enc->channels == 2); + put_amf_bool(pb, flv->audio_par->channels == 2); put_amf_string(pb, "audiocodecid"); - put_amf_double(pb, flv->audio_enc->codec_tag); + put_amf_double(pb, flv->audio_par->codec_tag); } - if (flv->data_enc) { + if (flv->data_par) { put_amf_string(pb, "datastream"); put_amf_double(pb, 0.0); } @@ -316,37 +316,37 @@ static int flv_write_header(AVFormatContext *s) int64_t data_size; for (i = 0; i < s->nb_streams; i++) { - AVCodecContext *enc = s->streams[i]->codec; + AVCodecParameters *par = s->streams[i]->codecpar; FLVStreamContext *sc; - switch (enc->codec_type) { + switch (par->codec_type) { case AVMEDIA_TYPE_VIDEO: if (s->streams[i]->avg_frame_rate.den && s->streams[i]->avg_frame_rate.num) { flv->framerate = av_q2d(s->streams[i]->avg_frame_rate); } - if (flv->video_enc) { + if (flv->video_par) { av_log(s, AV_LOG_ERROR, "at most one video stream is supported in flv\n"); return AVERROR(EINVAL); } - flv->video_enc = enc; - if (!ff_codec_get_tag(flv_video_codec_ids, enc->codec_id)) - return unsupported_codec(s, "Video", enc->codec_id); + flv->video_par = par; + if (!ff_codec_get_tag(flv_video_codec_ids, par->codec_id)) + return unsupported_codec(s, "Video", par->codec_id); break; case AVMEDIA_TYPE_AUDIO: - if (flv->audio_enc) { + if (flv->audio_par) { av_log(s, AV_LOG_ERROR, "at most one audio stream is supported in flv\n"); return AVERROR(EINVAL); } - flv->audio_enc = enc; - if (get_audio_flags(s, enc) < 0) - return unsupported_codec(s, "Audio", enc->codec_id); + flv->audio_par = par; + if (get_audio_flags(s, par) < 0) + return unsupported_codec(s, "Audio", par->codec_id); break; case AVMEDIA_TYPE_DATA: - if (enc->codec_id != AV_CODEC_ID_TEXT) - return unsupported_codec(s, "Data", enc->codec_id); - flv->data_enc = enc; + if (par->codec_id != AV_CODEC_ID_TEXT) + return unsupported_codec(s, "Data", par->codec_id); + flv->data_par = par; break; default: av_log(s, AV_LOG_ERROR, "codec not compatible with flv\n"); @@ -365,13 +365,13 @@ static int flv_write_header(AVFormatContext *s) avio_write(pb, "FLV", 3); avio_w8(pb, 1); - avio_w8(pb, FLV_HEADER_FLAG_HASAUDIO * !!flv->audio_enc + - FLV_HEADER_FLAG_HASVIDEO * !!flv->video_enc); + avio_w8(pb, FLV_HEADER_FLAG_HASAUDIO * !!flv->audio_par + + FLV_HEADER_FLAG_HASVIDEO * !!flv->video_par); avio_wb32(pb, 9); avio_wb32(pb, 0); for (i = 0; i < s->nb_streams; i++) - if (s->streams[i]->codec->codec_tag == 5) { + if (s->streams[i]->codecpar->codec_tag == 5) { avio_w8(pb, 8); // message type avio_wb24(pb, 0); // include flags avio_wb24(pb, 0); // time stamp @@ -383,25 +383,25 @@ static int flv_write_header(AVFormatContext *s) write_metadata(s, 0); for (i = 0; i < s->nb_streams; i++) { - AVCodecContext *enc = s->streams[i]->codec; - if (enc->codec_id == AV_CODEC_ID_AAC || enc->codec_id == AV_CODEC_ID_H264) { + AVCodecParameters *par = s->streams[i]->codecpar; + if (par->codec_id == AV_CODEC_ID_AAC || par->codec_id == AV_CODEC_ID_H264) { int64_t pos; - avio_w8(pb, enc->codec_type == AVMEDIA_TYPE_VIDEO ? + avio_w8(pb, par->codec_type == AVMEDIA_TYPE_VIDEO ? FLV_TAG_TYPE_VIDEO : FLV_TAG_TYPE_AUDIO); avio_wb24(pb, 0); // size patched later avio_wb24(pb, 0); // ts avio_w8(pb, 0); // ts ext avio_wb24(pb, 0); // streamid pos = avio_tell(pb); - if (enc->codec_id == AV_CODEC_ID_AAC) { - avio_w8(pb, get_audio_flags(s, enc)); + if (par->codec_id == AV_CODEC_ID_AAC) { + avio_w8(pb, get_audio_flags(s, par)); avio_w8(pb, 0); // AAC sequence header - avio_write(pb, enc->extradata, enc->extradata_size); + avio_write(pb, par->extradata, par->extradata_size); } else { - avio_w8(pb, enc->codec_tag | FLV_FRAME_KEY); // flags + avio_w8(pb, par->codec_tag | FLV_FRAME_KEY); // flags avio_w8(pb, 0); // AVC sequence header avio_wb24(pb, 0); // composition time - ff_isom_write_avcc(pb, enc->extradata, enc->extradata_size); + ff_isom_write_avcc(pb, par->extradata, par->extradata_size); } data_size = avio_tell(pb) - pos; avio_seek(pb, -data_size - 10, SEEK_CUR); @@ -424,10 +424,10 @@ static int flv_write_trailer(AVFormatContext *s) /* Add EOS tag */ for (i = 0; i < s->nb_streams; i++) { - AVCodecContext *enc = s->streams[i]->codec; + AVCodecParameters *par = s->streams[i]->codecpar; FLVStreamContext *sc = s->streams[i]->priv_data; - if (enc->codec_type == AVMEDIA_TYPE_VIDEO && - enc->codec_id == AV_CODEC_ID_H264) + if (par->codec_type == AVMEDIA_TYPE_VIDEO && + par->codec_id == AV_CODEC_ID_H264) put_avc_eos_tag(pb, sc->last_ts); } @@ -450,7 +450,7 @@ static int flv_write_trailer(AVFormatContext *s) static int flv_write_packet(AVFormatContext *s, AVPacket *pkt) { AVIOContext *pb = s->pb; - AVCodecContext *enc = s->streams[pkt->stream_index]->codec; + AVCodecParameters *par = s->streams[pkt->stream_index]->codecpar; FLVContext *flv = s->priv_data; FLVStreamContext *sc = s->streams[pkt->stream_index]->priv_data; unsigned ts; @@ -458,10 +458,10 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt) uint8_t *data = NULL; int flags = 0, flags_size; - if (enc->codec_id == AV_CODEC_ID_VP6F || enc->codec_id == AV_CODEC_ID_VP6A || - enc->codec_id == AV_CODEC_ID_AAC) + if (par->codec_id == AV_CODEC_ID_VP6F || par->codec_id == AV_CODEC_ID_VP6A || + par->codec_id == AV_CODEC_ID_AAC) flags_size = 2; - else if (enc->codec_id == AV_CODEC_ID_H264) + else if (par->codec_id == AV_CODEC_ID_H264) flags_size = 5; else flags_size = 1; @@ -482,16 +482,16 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt) s->event_flags &= ~AVSTREAM_EVENT_FLAG_METADATA_UPDATED; } - switch (enc->codec_type) { + switch (par->codec_type) { case AVMEDIA_TYPE_VIDEO: avio_w8(pb, FLV_TAG_TYPE_VIDEO); - flags = ff_codec_get_tag(flv_video_codec_ids, enc->codec_id); + flags = ff_codec_get_tag(flv_video_codec_ids, par->codec_id); flags |= pkt->flags & AV_PKT_FLAG_KEY ? FLV_FRAME_KEY : FLV_FRAME_INTER; break; case AVMEDIA_TYPE_AUDIO: - flags = get_audio_flags(s, enc); + flags = get_audio_flags(s, par); assert(size); @@ -504,14 +504,14 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt) return AVERROR(EINVAL); } - if (enc->codec_id == AV_CODEC_ID_H264) + if (par->codec_id == AV_CODEC_ID_H264) /* check if extradata looks like MP4 */ - if (enc->extradata_size > 0 && *(uint8_t*)enc->extradata != 1) + if (par->extradata_size > 0 && *(uint8_t*)par->extradata != 1) if (ff_avc_parse_nal_units_buf(pkt->data, &data, &size) < 0) return -1; /* check Speex packet duration */ - if (enc->codec_id == AV_CODEC_ID_SPEEX && ts - sc->last_ts > 160) + if (par->codec_id == AV_CODEC_ID_SPEEX && ts - sc->last_ts > 160) av_log(s, AV_LOG_WARNING, "Warning: Speex stream has more than " "8 frames per packet. Adobe Flash " "Player cannot handle this!\n"); @@ -524,7 +524,7 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt) avio_w8(pb, (ts >> 24) & 0x7F); // timestamps are 32 bits _signed_ avio_wb24(pb, flv->reserved); - if (enc->codec_type == AVMEDIA_TYPE_DATA) { + if (par->codec_type == AVMEDIA_TYPE_DATA) { int data_size; int64_t metadata_size_pos = avio_tell(pb); avio_w8(pb, AMF_DATA_TYPE_STRING); @@ -547,15 +547,15 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt) avio_wb32(pb, data_size + 11); } else { avio_w8(pb,flags); - if (enc->codec_id == AV_CODEC_ID_VP6F || enc->codec_id == AV_CODEC_ID_VP6A) { - if (enc->extradata_size) - avio_w8(pb, enc->extradata[0]); + if (par->codec_id == AV_CODEC_ID_VP6F || par->codec_id == AV_CODEC_ID_VP6A) { + if (par->extradata_size) + avio_w8(pb, par->extradata[0]); else - avio_w8(pb, ((FFALIGN(enc->width, 16) - enc->width) << 4) | - (FFALIGN(enc->height, 16) - enc->height)); - } else if (enc->codec_id == AV_CODEC_ID_AAC) + avio_w8(pb, ((FFALIGN(par->width, 16) - par->width) << 4) | + (FFALIGN(par->height, 16) - par->height)); + } else if (par->codec_id == AV_CODEC_ID_AAC) avio_w8(pb, 1); // AAC raw - else if (enc->codec_id == AV_CODEC_ID_H264) { + else if (par->codec_id == AV_CODEC_ID_H264) { avio_w8(pb, 1); // AVC NALU avio_wb24(pb, pkt->pts - pkt->dts); } |