external/srs
1
0
Fork 0
mirror of https://github.com/ossrs/srs.git synced 2025-03-09 15:49:59 +00:00
Code Issues Releases Wiki Activity

for #299, refine docs.

Browse source
This commit is contained in:
winlin 2017-01-26 17:28:49 +08:00
parent e8353cba3b
commit 136a7ef488
22 changed files with 73 additions and 70 deletions
Download patch file Download diff file Expand all files Collapse all files

8
trunk/src/app/srs_app_mpegts_udp.cpp
View file

@ -259,8 +259,8 @@ int SrsMpegtsOverUdp::on_ts_message(SrsTsMessage* msg)
// for example, when SrsTsStream of SrsTsChannel indicates stream_type is SrsTsStreamVideoMpeg4 and SrsTsStreamAudioMpeg4,
// the elementary stream can be mux in "2.11 Carriage of ISO/IEC 14496 data" in hls-mpeg-ts-iso13818-1.pdf, page 103
// @remark, the most popular stream_id is 0xe0 for h.264 over mpegts, which indicates the stream_id is video and
// stream_number is 0, where I guess the elementary is specified in annexb format(H.264-AVC-ISO_IEC_14496-10.pdf, page 211).
// because when audio stream_number is 0, the elementary is ADTS(aac-mp4a-format-ISO_IEC_14496-3+2001.pdf, page 75, 1.A.2.2 ADTS).
// stream_number is 0, where I guess the elementary is specified in annexb format(ISO_IEC_14496-10-AVC-2003.pdf, page 211).
// because when audio stream_number is 0, the elementary is ADTS(ISO_IEC_14496-3-AAC-2001.pdf, page 75, 1.A.2.2 ADTS).
// about the bytes of PES_packet_data_byte, defined in hls-mpeg-ts-iso13818-1.pdf, page 58
// PES_packet_data_byte "C PES_packet_data_bytes shall be contiguous bytes of data from the elementary stream
@ -361,7 +361,7 @@ int SrsMpegtsOverUdp::on_ts_video(SrsTsMessage* msg, SrsBuffer* avs)
}
// 5bits, 7.3.1 NAL unit syntax,
// H.264-AVC-ISO_IEC_14496-10.pdf, page 44.
// ISO_IEC_14496-10-AVC-2003.pdf, page 44.
// 7: SPS, 8: PPS, 5: I Frame, 1: P Frame
SrsAvcNaluType nal_unit_type = (SrsAvcNaluType)(frame[0] & 0x1f);
@ -471,7 +471,7 @@ int SrsMpegtsOverUdp::write_h264_ipb_frame(char* frame, int frame_size, u_int32_
}
// 5bits, 7.3.1 NAL unit syntax,
// H.264-AVC-ISO_IEC_14496-10.pdf, page 44.
// ISO_IEC_14496-10-AVC-2003.pdf, page 44.
// 7: SPS, 8: PPS, 5: I Frame, 1: P Frame
SrsAvcNaluType nal_unit_type = (SrsAvcNaluType)(frame[0] & 0x1f);