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author | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-01-22 18:12:00 +0000 |
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committer | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-01-22 18:12:00 +0000 |
commit | 7f5bcb338f76342799a13d2945c88c1258d6b110 (patch) | |
tree | 47c9432dcc93b1bc4c27fe09aa25b4e839a2aa3e /libvo | |
parent | 6601a894accfec08e895ab562bdd9fb7008ce95c (diff) | |
download | mpv-7f5bcb338f76342799a13d2945c88c1258d6b110.tar.bz2 mpv-7f5bcb338f76342799a13d2945c88c1258d6b110.tar.xz |
cleanup of video packet writer, PTS sent only once
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4307 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libvo')
-rw-r--r-- | libvo/vo_mpegpes.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/libvo/vo_mpegpes.c b/libvo/vo_mpegpes.c index 90cf3d0d1b..1a72880427 100644 --- a/libvo/vo_mpegpes.c +++ b/libvo/vo_mpegpes.c @@ -293,21 +293,23 @@ static void my_write(unsigned char* data,int len){ static unsigned char pes_header[PES_MAX_SIZE]; void send_pes_packet(unsigned char* data,int len,int id,int timestamp){ - int x; + int ptslen=timestamp?5:1; + // startcode: pes_header[0]=pes_header[1]=0; pes_header[2]=id>>8; pes_header[3]=id&255; - while(1){ - int payload_size=len+5; // data + PTS - if(6+payload_size>PES_MAX_SIZE) payload_size=PES_MAX_SIZE-6; + while(len>0){ + int payload_size=len; // data + PTS + if(6+ptslen+payload_size>PES_MAX_SIZE) payload_size=PES_MAX_SIZE-(6+ptslen); // construct PES header: (code from ffmpeg's libav) - // startcode: // packetsize: - pes_header[4]=(payload_size)>>8; - pes_header[5]=(payload_size)&255; - // stuffing: + pes_header[4]=(ptslen+payload_size)>>8; + pes_header[5]=(ptslen+payload_size)&255; + + if(ptslen==5){ + int x; // presentation time stamp: x=(0x02 << 4) | (((timestamp >> 30) & 0x07) << 1) | 1; pes_header[6]=x; @@ -315,13 +317,16 @@ void send_pes_packet(unsigned char* data,int len,int id,int timestamp){ pes_header[7]=x>>8; pes_header[8]=x&255; x=((((timestamp) & 0x7fff) << 1) | 1); pes_header[9]=x>>8; pes_header[10]=x&255; - - payload_size-=5; - memcpy(&pes_header[6+5],data,payload_size); - my_write(pes_header,6+5+payload_size); + } else { + // stuffing and header bits: + pes_header[6]=0x0f; + } + + memcpy(&pes_header[6+ptslen],data,payload_size); + my_write(pes_header,6+ptslen+payload_size); len-=payload_size; data+=payload_size; - if(len<=0) break; + ptslen=1; // store PTS only once, at first packet! } // printf("PES: draw frame! pts=%d size=%d \n",timestamp,len); @@ -332,6 +337,7 @@ void send_lpcm_packet(unsigned char* data,int len,int id,unsigned int timestamp, int ptslen=timestamp?5:0; + // startcode: pes_header[0]=pes_header[1]=0; pes_header[2]=1; pes_header[3]=0xBD; @@ -398,7 +404,7 @@ void send_lpcm_packet(unsigned char* data,int len,int id,unsigned int timestamp, my_write(pes_header,6+3+ptslen+7+payload_size); len-=payload_size; data+=payload_size; - if(len<=0) break; + ptslen=0; // store PTS only once, at first packet! } // printf("PES: draw frame! pts=%d size=%d \n",timestamp,len); |