On Fri, Aug 14, 2020 at 10:29:45PM +0200, Marton Balint wrote: > > > On Fri, 14 Aug 2020, lance.lmw...@gmail.com wrote: > > > From: Limin Wang <lance.lmw...@gmail.com> > > > > Signed-off-by: Limin Wang <lance.lmw...@gmail.com> > > --- > > Sorry, fix for the patch order for fate test > > > > libavformat/mpegts.h | 16 +++++++++++ > > libavformat/mpegtsenc.c | 76 > > +++++++++++++++++++++++++++++++++++++++++++++++++ > > I think the ac3_parser dependency of the mpegts muxer should be added to > configure.
sure, will add the dependency to configure > > > 2 files changed, 92 insertions(+) > > > > diff --git a/libavformat/mpegts.h b/libavformat/mpegts.h > > index fe10b38..951aa61 100644 > > --- a/libavformat/mpegts.h > > +++ b/libavformat/mpegts.h > > @@ -175,6 +175,22 @@ typedef struct Mp4Descr { > > SLConfigDescr sl; > > } Mp4Descr; > > > > +/* > > + * ETSI 300 468 descriptor 0x6A(AC-3) > > + * Refer to: ETSI EN 300 468 V1.11.1 (2010-04) (SI in DVB systems) > > + */ > > +typedef struct AVDVBAC3Descriptor { > > + uint8_t component_type_flag; > > + uint8_t bsid_flag; > > + uint8_t mainid_flag; > > + uint8_t asvc_flag; > > + uint8_t reserved_flags; > > + uint8_t component_type; > > + uint8_t bsid; > > + uint8_t mainid; > > + uint8_t asvc; > > +} AVDVBAC3Descriptor; > > As others suggested, remove AV prefix. OK > > > + > > /** > > * Parse an MPEG-2 descriptor > > * @param[in] fc Format context (used for logging only) > > diff --git a/libavformat/mpegtsenc.c b/libavformat/mpegtsenc.c > > index 718ddab..e9ac08d 100644 > > --- a/libavformat/mpegtsenc.c > > +++ b/libavformat/mpegtsenc.c > > @@ -27,6 +27,7 @@ > > #include "libavutil/mathematics.h" > > #include "libavutil/opt.h" > > > > +#include "libavcodec/ac3_parser_internal.h" > > #include "libavcodec/internal.h" > > > > #include "avformat.h" > > @@ -244,6 +245,8 @@ typedef struct MpegTSWriteStream { > > /* For Opus */ > > int opus_queued_samples; > > int opus_pending_trim_start; > > + > > + AVDVBAC3Descriptor *desc6a; > > Sorry, can you name the variable dvb_ac3_desc or something? This 6a still > does not speak for itself... sure, will fix it. > > > } MpegTSWriteStream; > > > > static void mpegts_write_pat(AVFormatContext *s) > > @@ -486,9 +489,28 @@ static int mpegts_write_pmt(AVFormatContext *s, > > MpegTSService *service) > > case AVMEDIA_TYPE_AUDIO: > > if (ts->flags & MPEGTS_FLAG_SYSTEM_B) { > > if (codec_id == AV_CODEC_ID_AC3) { > > + AVDVBAC3Descriptor *desc6a = ts_st->desc6a; > > + > > *q++=0x6a; // AC3 descriptor see A038 DVB SI > > + if (desc6a) { > > + int len = 1 + > > + !!(desc6a->component_type_flag) + > > + !!(desc6a->bsid_flag) + > > + !!(desc6a->mainid_flag) + > > + !!(desc6a->asvc_flag); > > + > > + *q++ = len; > > + *q++ = desc6a->component_type_flag << 7 | > > desc6a->bsid_flag << 6 | > > + desc6a->mainid_flag << 5 | > > desc6a->asvc_flag << 4; > > + > > + if (desc6a->component_type_flag) *q++ = > > desc6a->component_type; > > + if (desc6a->bsid_flag) *q++ = > > desc6a->bsid; > > + if (desc6a->mainid_flag) *q++ = > > desc6a->mainid; > > + if (desc6a->asvc_flag) *q++ = > > desc6a->asvc; > > + } else { > > *q++=1; // 1 byte, all flags sets to 0 > > *q++=0; // omit all fields... > > I think these two lines are small enough to reindent in the same patch. OK, will fix it > > > + } > > } else if (codec_id == AV_CODEC_ID_EAC3) { > > *q++=0x7a; // EAC3 descriptor see A038 DVB SI > > *q++=1; // 1 byte, all flags sets to 0 > > @@ -1843,6 +1865,59 @@ static int > > mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt) > > * need to count the samples of that too! */ > > av_log(s, AV_LOG_WARNING, "Got MPEG-TS formatted Opus data, > > unhandled"); > > } > > + } else if (st->codecpar->codec_id == AV_CODEC_ID_AC3 && > > !ts_st->desc6a) { > > + uint8_t number_of_channels_flag; > > + uint8_t service_type_flag; > > + uint8_t full_service_flag = 1; > > + AC3HeaderInfo *hdr = NULL; > > + AVDVBAC3Descriptor *desc6a; > > push most of these initializers one level down OK > > > + > > + if (avpriv_ac3_parse_header(&hdr, pkt->data, pkt->size) >= 0) { > > Aren't you leaking hdr in the return path and at the end of this block? Haven't notice the hdr will allocate memory, will fix it. > > > + desc6a = av_mallocz(sizeof(*desc6a)); > > + if (!desc6a) > > + return AVERROR(ENOMEM); > > + > > + service_type_flag = hdr->bitstream_mode; > > + switch (hdr->channel_mode) { > > + case AC3_CHMODE_DUALMONO: > > + number_of_channels_flag = 1; > > + break; > > + case AC3_CHMODE_MONO: > > + number_of_channels_flag = 0; > > + break; > > + case AC3_CHMODE_STEREO: > > + if (hdr->dolby_surround_mode == AC3_DSURMOD_ON) > > + number_of_channels_flag = 3; > > + else > > + number_of_channels_flag = 2; > > + break; > > + case AC3_CHMODE_3F: > > + case AC3_CHMODE_2F1R: > > + case AC3_CHMODE_3F1R: > > + case AC3_CHMODE_2F2R: > > + case AC3_CHMODE_3F2R: > > + number_of_channels_flag = 4; > > + break; > > + default: /* reserved */ > > + number_of_channels_flag = 7; > > + break; > > + } > > + > > + if (service_type_flag == 1 || service_type_flag == 4 || > > + (service_type_flag == 7 && !number_of_channels_flag)) > > + full_service_flag = 0; > > + > > + desc6a->component_type_flag = 1; > > + desc6a->component_type = (full_service_flag << 6) > > | > > + ((service_type_flag & 0x7) << 3) > > | > > + (number_of_channels_flag & 0x7); > > + desc6a->bsid_flag = 1; > > + desc6a->bsid = hdr->bitstream_id; > > + desc6a->mainid_flag = 0; > > + desc6a->asvc_flag = 0; > > + > > + ts_st->desc6a = desc6a; > > + } > > } > > > > if (ts_st->payload_size && (ts_st->payload_size + size > > > ts->pes_payload_size || > > @@ -1934,6 +2009,7 @@ static void mpegts_deinit(AVFormatContext *s) > > AVStream *st = s->streams[i]; > > MpegTSWriteStream *ts_st = st->priv_data; > > if (ts_st) { > > + av_freep(&ts_st->desc6a); > > av_freep(&ts_st->payload); > > if (ts_st->amux) { > > avformat_free_context(ts_st->amux); > > -- > > Regards, > Marton > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". -- Thanks, Limin Wang _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".