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ffmpeg-let-rtmp-flv-support-hevc-h265-opus.patch
214 lines (200 loc) · 9 KB
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ffmpeg-let-rtmp-flv-support-hevc-h265-opus.patch
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RTMP Protocol & FLV Encode/Decode Support H.265/HEVC & OPUS
diff --color -uNr a/libavformat/flvdec.c b/libavformat/flvdec.c
--- a/libavformat/flvdec.c 2020-07-11 18:39:30.000000000 +0800
+++ b/libavformat/flvdec.c 2020-12-29 19:24:42.400006406 +0800
@@ -36,6 +36,7 @@
#include "internal.h"
#include "avio_internal.h"
#include "flv.h"
+#include "hevc.h"
#define VALIDATE_INDEX_TS_THRESH 2500
@@ -233,6 +234,11 @@
case FLV_CODECID_PCM_ALAW:
return apar->sample_rate == 8000 &&
apar->codec_id == AV_CODEC_ID_PCM_ALAW;
+ case FLV_CODECID_OPUS:
+ return apar->sample_rate == 48000 &&
+ apar->channels == 2 &&
+ apar->bits_per_coded_sample == 16 &&
+ apar->codec_id == AV_CODEC_ID_OPUS;
default:
return apar->codec_tag == (flv_codecid >> FLV_AUDIO_CODECID_OFFSET);
}
@@ -291,6 +297,12 @@
apar->sample_rate = 8000;
apar->codec_id = AV_CODEC_ID_PCM_ALAW;
break;
+ case FLV_CODECID_OPUS:
+ apar->sample_rate = 48000;
+ apar->channels = 2;
+ apar->bits_per_coded_sample = 16;
+ apar->codec_id = AV_CODEC_ID_OPUS;
+ break;
default:
avpriv_request_sample(s, "Audio codec (%x)",
flv_codecid >> FLV_AUDIO_CODECID_OFFSET);
@@ -318,6 +330,8 @@
return vpar->codec_id == AV_CODEC_ID_VP6A;
case FLV_CODECID_H264:
return vpar->codec_id == AV_CODEC_ID_H264;
+ case FLV_CODECID_HEVC:
+ return vpar->codec_id == AV_CODEC_ID_HEVC;
default:
return vpar->codec_tag == flv_codecid;
}
@@ -367,6 +381,11 @@
par->codec_id = AV_CODEC_ID_MPEG4;
ret = 3;
break;
+ case FLV_CODECID_HEVC:
+ par->codec_id = AV_CODEC_ID_HEVC;
+ vstream->need_parsing = AVSTREAM_PARSE_NONE;
+ ret = 3;
+ break;
default:
avpriv_request_sample(s, "Video codec (%x)", flv_codecid);
par->codec_tag = flv_codecid;
@@ -1222,7 +1241,8 @@
if (st->codecpar->codec_id == AV_CODEC_ID_AAC ||
st->codecpar->codec_id == AV_CODEC_ID_H264 ||
- st->codecpar->codec_id == AV_CODEC_ID_MPEG4) {
+ st->codecpar->codec_id == AV_CODEC_ID_MPEG4 ||
+ st->codecpar->codec_id == AV_CODEC_ID_HEVC ) {
int type = avio_r8(s->pb);
size--;
@@ -1231,7 +1251,7 @@
goto leave;
}
- if (st->codecpar->codec_id == AV_CODEC_ID_H264 || st->codecpar->codec_id == AV_CODEC_ID_MPEG4) {
+ if (st->codecpar->codec_id == AV_CODEC_ID_H264 || st->codecpar->codec_id == AV_CODEC_ID_MPEG4 || st->codecpar->codec_id == AV_CODEC_ID_HEVC) {
// sign extension
int32_t cts = (avio_rb24(s->pb) + 0xff800000) ^ 0xff800000;
pts = dts + cts;
@@ -1247,7 +1267,7 @@
}
}
if (type == 0 && (!st->codecpar->extradata || st->codecpar->codec_id == AV_CODEC_ID_AAC ||
- st->codecpar->codec_id == AV_CODEC_ID_H264)) {
+ st->codecpar->codec_id == AV_CODEC_ID_H264 || st->codecpar->codec_id == AV_CODEC_ID_HEVC)) {
AVDictionaryEntry *t;
if (st->codecpar->extradata) {
diff --color -uNr a/libavformat/flvenc.c b/libavformat/flvenc.c
--- a/libavformat/flvenc.c 2020-07-11 18:39:30.000000000 +0800
+++ b/libavformat/flvenc.c 2020-12-29 19:36:34.543776338 +0800
@@ -34,7 +34,7 @@
#include "libavutil/opt.h"
#include "libavcodec/put_bits.h"
#include "libavcodec/aacenctab.h"
-
+#include "hevc.h"
static const AVCodecTag flv_video_codec_ids[] = {
{ AV_CODEC_ID_FLV1, FLV_CODECID_H263 },
@@ -46,6 +46,7 @@
{ AV_CODEC_ID_VP6, FLV_CODECID_VP6 },
{ AV_CODEC_ID_VP6A, FLV_CODECID_VP6A },
{ AV_CODEC_ID_H264, FLV_CODECID_H264 },
+ { AV_CODEC_ID_HEVC, FLV_CODECID_HEVC },
{ AV_CODEC_ID_NONE, 0 }
};
@@ -60,6 +61,7 @@
{ AV_CODEC_ID_PCM_MULAW, FLV_CODECID_PCM_MULAW >> FLV_AUDIO_CODECID_OFFSET },
{ AV_CODEC_ID_PCM_ALAW, FLV_CODECID_PCM_ALAW >> FLV_AUDIO_CODECID_OFFSET },
{ AV_CODEC_ID_SPEEX, FLV_CODECID_SPEEX >> FLV_AUDIO_CODECID_OFFSET },
+ { AV_CODEC_ID_OPUS, FLV_CODECID_OPUS >> FLV_AUDIO_CODECID_OFFSET },
{ AV_CODEC_ID_NONE, 0 }
};
@@ -132,6 +134,9 @@
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 (par->codec_id == AV_CODEC_ID_OPUS) // specs force these parameters
+ return FLV_CODECID_OPUS | FLV_SAMPLERATE_44100HZ |
+ FLV_SAMPLESSIZE_16BIT | FLV_STEREO;
else if (par->codec_id == AV_CODEC_ID_SPEEX) {
if (par->sample_rate != 16000) {
av_log(s, AV_LOG_ERROR,
@@ -491,7 +496,7 @@
FLVContext *flv = s->priv_data;
if (par->codec_id == AV_CODEC_ID_AAC || par->codec_id == AV_CODEC_ID_H264
- || par->codec_id == AV_CODEC_ID_MPEG4) {
+ || par->codec_id == AV_CODEC_ID_MPEG4 || par->codec_id == AV_CODEC_ID_HEVC) {
int64_t pos;
avio_w8(pb,
par->codec_type == AVMEDIA_TYPE_VIDEO ?
@@ -537,7 +542,11 @@
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, par->extradata, par->extradata_size);
+ if (par->codec_id == AV_CODEC_ID_HEVC) {
+ ff_isom_write_hvcc(pb, par->extradata, par->extradata_size, 0);
+ } else {
+ ff_isom_write_avcc(pb, par->extradata, par->extradata_size);
+ }
}
data_size = avio_tell(pb) - pos;
avio_seek(pb, -data_size - 10, SEEK_CUR);
@@ -844,7 +853,7 @@
AVCodecParameters *par = s->streams[i]->codecpar;
FLVStreamContext *sc = s->streams[i]->priv_data;
if (par->codec_type == AVMEDIA_TYPE_VIDEO &&
- (par->codec_id == AV_CODEC_ID_H264 || par->codec_id == AV_CODEC_ID_MPEG4))
+ (par->codec_id == AV_CODEC_ID_H264 || par->codec_id == AV_CODEC_ID_MPEG4 || par->codec_id == AV_CODEC_ID_HEVC))
put_avc_eos_tag(pb, sc->last_ts);
}
}
@@ -895,13 +904,13 @@
if (par->codec_id == AV_CODEC_ID_VP6F || par->codec_id == AV_CODEC_ID_VP6A ||
par->codec_id == AV_CODEC_ID_VP6 || par->codec_id == AV_CODEC_ID_AAC)
flags_size = 2;
- else if (par->codec_id == AV_CODEC_ID_H264 || par->codec_id == AV_CODEC_ID_MPEG4)
+ else if (par->codec_id == AV_CODEC_ID_H264 || par->codec_id == AV_CODEC_ID_MPEG4 || par->codec_id == AV_CODEC_ID_HEVC)
flags_size = 5;
else
flags_size = 1;
if (par->codec_id == AV_CODEC_ID_AAC || par->codec_id == AV_CODEC_ID_H264
- || par->codec_id == AV_CODEC_ID_MPEG4) {
+ || par->codec_id == AV_CODEC_ID_MPEG4 || par->codec_id == AV_CODEC_ID_HEVC) {
int side_size = 0;
uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
@@ -966,6 +975,10 @@
if (par->extradata_size > 0 && *(uint8_t*)par->extradata != 1)
if ((ret = ff_avc_parse_nal_units_buf(pkt->data, &data, &size)) < 0)
return ret;
+ } else if (par->codec_id == AV_CODEC_ID_HEVC) {
+ if (par->extradata_size > 0 && *(uint8_t*)par->extradata != 1)
+ if ((ret = ff_hevc_annexb2mp4_buf(pkt->data, &data, &size, 0, NULL)) < 0)
+ return ret;
} else if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
(AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
if (!s->streams[pkt->stream_index]->nb_frames) {
@@ -1036,9 +1049,9 @@
else
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)
+ } else if (par->codec_id == AV_CODEC_ID_AAC) {
avio_w8(pb, 1); // AAC raw
- else if (par->codec_id == AV_CODEC_ID_H264 || par->codec_id == AV_CODEC_ID_MPEG4) {
+ } else if (par->codec_id == AV_CODEC_ID_H264 || par->codec_id == AV_CODEC_ID_MPEG4 || par->codec_id == AV_CODEC_ID_HEVC) {
avio_w8(pb, 1); // AVC NALU
avio_wb24(pb, pkt->pts - pkt->dts);
}
diff --color -uNr a/libavformat/flv.h b/libavformat/flv.h
--- a/libavformat/flv.h 2020-07-09 17:17:46.000000000 +0800
+++ b/libavformat/flv.h 2020-12-29 19:10:08.444114140 +0800
@@ -99,6 +99,7 @@
FLV_CODECID_PCM_MULAW = 8 << FLV_AUDIO_CODECID_OFFSET,
FLV_CODECID_AAC = 10<< FLV_AUDIO_CODECID_OFFSET,
FLV_CODECID_SPEEX = 11<< FLV_AUDIO_CODECID_OFFSET,
+ FLV_CODECID_OPUS = 13<< FLV_AUDIO_CODECID_OFFSET,
};
enum {
@@ -110,6 +111,7 @@
FLV_CODECID_H264 = 7,
FLV_CODECID_REALH263= 8,
FLV_CODECID_MPEG4 = 9,
+ FLV_CODECID_HEVC = 12,
};
enum {