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Code Issues Releases Activity

lavf/rtpenc: Add support for 24 bit pcm encoding as defined by RFC 3190.

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Fixes ticket #6770.
This commit is contained in:
Carl Eugen Hoyos 2017-10-24 23:03:02 +02:00
parent e9930883a2
commit 75bd01090f
3 changed files with 10 additions and 1 deletions
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3
libavformat/rtpenc.c
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@ -66,6 +66,7 @@ static int is_supported(enum AVCodecID id)
case AV_CODEC_ID_PCM_S8:
case AV_CODEC_ID_PCM_S16BE:
case AV_CODEC_ID_PCM_S16LE:
case AV_CODEC_ID_PCM_S24BE:
case AV_CODEC_ID_PCM_U16BE:
case AV_CODEC_ID_PCM_U16LE:
case AV_CODEC_ID_PCM_U8:
@ -544,6 +545,8 @@ static int rtp_write_packet(AVFormatContext *s1, AVPacket *pkt)
case AV_CODEC_ID_PCM_S16BE:
case AV_CODEC_ID_PCM_S16LE:
return rtp_send_samples(s1, pkt->data, size, 16 * st->codecpar->channels);
case AV_CODEC_ID_PCM_S24BE:
return rtp_send_samples(s1, pkt->data, size, 24 * st->codecpar->channels);
case AV_CODEC_ID_ADPCM_G722:
/* The actual sample size is half a byte per sample, but since the
* stream clock rate is 8000 Hz while the sample rate is 16000 Hz,

6
libavformat/sdp.c
View File

@ -584,6 +584,12 @@ static char *sdp_write_media_attributes(char *buff, int size, AVStream *st, int
payload_type,
p->sample_rate, p->channels);
break;
case AV_CODEC_ID_PCM_S24BE:
if (payload_type >= RTP_PT_PRIVATE)
av_strlcatf(buff, size, "a=rtpmap:%d L24/%d/%d\r\n",
payload_type,
p->sample_rate, p->channels);
break;
case AV_CODEC_ID_PCM_MULAW:
if (payload_type >= RTP_PT_PRIVATE)
av_strlcatf(buff, size, "a=rtpmap:%d PCMU/%d/%d\r\n",

2
libavformat/version.h
View File

@ -33,7 +33,7 @@
// Also please add any ticket numbers that you believe might be affected here
#define LIBAVFORMAT_VERSION_MAJOR 58
#define LIBAVFORMAT_VERSION_MINOR 0
#define LIBAVFORMAT_VERSION_MICRO 101
#define LIBAVFORMAT_VERSION_MICRO 102
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \