FLV spec only has AVC end of sequence tag, and the EOS tag has a CodecID as other video data packet. MPEG4 doesn't conformance to the spec, but it's there for a decade. So only 'fix' the EOS tag rather than remove it completely.
Unified · Split
| @@ -235,13 +235,16 @@ static void put_timestamp(AVIOContext *pb, int64_t ts) { · 234 unmodified lines | ||
| 235 | 235 | avio_w8(pb, (ts >> 24) & 0x7F); |
| 236 | 236 | } |
| 237 | 237 | |
| 238 | −static void put_avc_eos_tag(AVIOContext *pb, unsigned ts) | |
| 238 | +static void put_eos_tag(AVIOContext *pb, unsigned ts, enum AVCodecID codec_id) | |
| 239 | 239 | { |
| 240 | + uint32_t tag = ff_codec_get_tag(flv_video_codec_ids, codec_id); | |
| 241 | + /* ub[4] FrameType = 1, ub[4] CodecId */ | |
| 242 | + tag |= 1 << 4; | |
| 240 | 243 | avio_w8(pb, FLV_TAG_TYPE_VIDEO); |
| 241 | 244 | avio_wb24(pb, 5); /* Tag Data Size */ |
| 242 | 245 | put_timestamp(pb, ts); |
| 243 | 246 | avio_wb24(pb, 0); /* StreamId = 0 */ |
| 244 | − avio_w8(pb, 23); /* ub[4] FrameType = 1, ub[4] CodecId = 7 */ | |
| 247 | + avio_w8(pb, tag); | |
| 245 | 248 | avio_w8(pb, 2); /* AVC end of sequence */ |
| 246 | 249 | avio_wb24(pb, 0); /* Always 0 for AVC EOS. */ |
| 247 | 250 | avio_wb32(pb, 16); /* Size of FLV tag */ |
| @@ -783,7 +786,7 @@ end: · 535 unmodified lines | ||
| 783 | 786 | FLVStreamContext *sc = s->streams[i]->priv_data; |
| 784 | 787 | if (par->codec_type == AVMEDIA_TYPE_VIDEO && |
| 785 | 788 | (par->codec_id == AV_CODEC_ID_H264 || par->codec_id == AV_CODEC_ID_MPEG4)) |
| 786 | − put_avc_eos_tag(pb, sc->last_ts); | |
| 789 | + put_eos_tag(pb, sc->last_ts, par->codec_id); | |
| 787 | 790 | } |
| 788 | 791 | } |
| 789 | 792 | |