On Wed, Jul 28, 2010 at 2:53 AM, Michael Chisholm <[email protected]>wrote:
> On 7/27/2010 2:35 AM, Nhat Huy wrote: > >> On Tue, Jul 27, 2010 at 3:04 PM, avcoder<[email protected]> wrote: >> >> On Tue, Jul 27, 2010 at 1:43 PM, Nhat Huy<[email protected]> wrote: >>> >>>> Hi, >>>> >>>> According to your suggestion, I have to write a new av_read_frame which >>>> points to my bit-stream buffer. >>>> >>> >>> No! you do not need it, just tell ffmpeg your buffer and length , >>> FFmpeg will do everything for you >>> >>> But how can I determine the AVPacket.size which contains each frame in >>>> >>> H.264 >>> >>>> bit-stream ? >>>> >>> >>> I will share some pieces of code. >>> you should grasp my idea based on the code! >>> Note: my code was based on older FFmpeg APIs. >>> >>> Thank you very much. >> _______________________________________________ >> > > That's fine if you're getting only the raw video packets. Not so fine if > you are getting a video stream in some container format and need to go > through all the stream processing. I thought it was the latter. > > Andy > > > _______________________________________________ > libav-user mailing list > [email protected] > https://lists.mplayerhq.hu/mailman/listinfo/libav-user > Hi Andy, I'm dealing with raw H.264 bit-stream, not video format file such as: mkv, avi thus avcodec_decode_video is what I need. Now I'm thinking how to determine the size of each frame in bit-stream buffer. I have to pass size and data of each coded frame in buffer to avcodec_decode_video. I see that av_read_frame can calculate size, but I do not know how it can do that. Huy. _______________________________________________ libav-user mailing list [email protected] https://lists.mplayerhq.hu/mailman/listinfo/libav-user
