How can I get link to this iscussion for snding to others?
2014-08-01 5:11 GMT+04:00 Dmitry Adjiev <[email protected]>: > I solved the issue. I don't know why. but in C++ buffer size outbuf_size = > 100000; was too small, so increase of buffer size solves the problem. > Thanks for everyone who read it > > > 2014-08-01 5:08 GMT+04:00 Dmitry Adjiev <[email protected]>: > > if (open_url(argv[1], &stream) == 0) { >> >> AVFrame* pic = av_frame_alloc(); >> int i, size, x, y, outbuf_size; >> uint8_t *outbuf, *picture_buf; >> >> // alloc image and output buffer >> outbuf_size = 100000; >> outbuf = malloc(outbuf_size); >> size = VIDEO_WIDTH * VIDEO_HEIGHT; >> picture_buf = malloc((size * 3) / 2); // size for YUV 420 >> >> pic->data[0] = picture_buf; >> pic->data[1] = pic->data[0] + size; >> pic->data[2] = pic->data[1] + size / 4; >> pic->linesize[0] = VIDEO_WIDTH; >> pic->linesize[1] = VIDEO_WIDTH / 2; >> pic->linesize[2] = VIDEO_WIDTH / 2; >> AVPacket packet; >> av_init_packet(&packet); >> i = 0; >> >> int ret = avformat_write_header(stream.output_format_context, >> NULL); >> >> if (ret < 0) { >> av_log(NULL, AV_LOG_ERROR, "Error occurred when opening >> output file\n"); >> return ret; >> } >> >> while (!stopped) { >> // encode 1 second of video >> for(i = 0; i < 25; i++) { >> // prepare a dummy image >> // >> for(y = 0; y < VIDEO_HEIGHT; y++) { >> >> for(x = 0; x < VIDEO_WIDTH; x++) { >> pic->data[0][y * pic->linesize[0] + x] = x + y + >> i * 3; >> } >> } >> >> // Cb and Cr >> for(y=0;y<VIDEO_HEIGHT/2;y++) { >> for(x=0;x<VIDEO_WIDTH/2;x++) { >> pic->data[1][y * pic->linesize[1] + x] = 128 + y >> + i * 2; >> pic->data[2][y * pic->linesize[2] + x] = 64 + x + >> i * 5; >> } >> } >> >> int got_packet_ptr; >> avcodec_encode_video2(stream.stream->codec, &packet, pic, >> &got_packet_ptr); >> int stream_index = 0; >> // prepare packet for muxing >> packet.stream_index = stream_index; >> packet.dts = av_rescale_q_rnd(packet.dts, >> >> stream.output_format_context->streams[stream_index]->codec->time_base, >> >> stream.output_format_context->streams[stream_index]->time_base, >> AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX); >> packet.pts = av_rescale_q_rnd(packet.pts, >> >> stream.output_format_context->streams[stream_index]->codec->time_base, >> >> stream.output_format_context->streams[stream_index]->time_base, >> AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX); >> packet.duration = av_rescale_q(packet.duration, >> >> stream.output_format_context->streams[stream_index]->codec->time_base, >> >> stream.output_format_context->streams[stream_index]->time_base); >> >> if (got_packet_ptr) { >> >> av_interleaved_write_frame(stream.output_format_context, &packet); >> } else >> break; >> >> usleep(2); >> } >> } >> >> >> 2014-08-01 5:01 GMT+04:00 Dmitry Adjiev <[email protected]>: >> >> Hello. >>> I have a problem with avcodec_encode_video2. >>> I send h263 video stream to network, this code works when I compile it >>> with C, but when I try to use C++ classes it crashes. >>> Can anyone help me? >>> -- >>> Regards, >>> Dmitry >>> >> >> >> >> -- >> Regards, >> Dmitry >> > > > > -- > Regards, > Dmitry > -- Regards, Dmitry
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