Hi all
I want to transcode a data of pcm to AAC or mp3 from WMV , asf formated
file.
resultly, AAC + x264 with mp4 plays fine.
but dts,pts is bigger more 0 when grabbing first packet.
dts,pts,during-time was exactly right when I tried to decoding with avi,mp4
I don't know why did occur when only using wmv, asf.
//////////////////////
//pcm grabbing
//////////////////////
int result = 0;
int audio_out_size = 0;
//static uint8_t audio_mute_buffer[AVCODEC_MAX_AUDIO_FRAME_SIZE];
while(av_read_frame(pMainFormatCtx, &packet)>=0) {
if(packet.stream_index==videoIndex) {
Video Deocode
////////////////////////////////
// do something.
////////////////////////////////
}
else if(packet.stream_index==audioIndex) {
// short 16bit
audio_out_size = AVCODEC_MAX_AUDIO_FRAME_SIZE;
result =
avcodec_decode_audio3(pAudioCodecCtx,reinterpret_cast<short*>(audiOutbuf.get()),
&audio_out_size, &packet);
if(audio_out_size > 0)
{
audioEncoder.get()->Process(audiOutbuf.get(),reinterpret_cast<long*>(&audio_out_size));
}
}
av_free_packet(&packet);
} //while
//DESTROYCODEC:
av_free(pFrame);
pFrame = NULL;
av_free(pFrameConverted);
pFrameConverted = NULL;
//////////////////////////
first packet
{pts=1579 dts=1579 data=0x03ed1d50 "" ...}
Is it right "0" ?
/////////////////////////
thank you everyone .
have a good time.
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