Avcodec_Decode_Audio4 Av_Samples_Get_Buffer_Size

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C++ (Cpp) avcodec_decode_audio4 Examples - HotExamples

https://cpp.hotexamples.com/examples/-/-/avcodec_decode_audio4/cpp-avcodec_decode_audio4-function-examples.html

int audio_decode_frame(VideoState *is, double *pts_ptr) { int len1, data_size = 0, n; AVPacket *pkt = &is->audio_pkt; double pts; for(;;) { while(is->audio_pkt_size > 0) { int got_frame = 0; len1 = avcodec_decode_audio4(is->audio_st->codec, &is->audio_frame, &got_frame, pkt); if(len1 < 0) { /* if error, skip frame */ is->audio_pkt_size = 0; break; } if (got_frame) { data_size = …

c - How to decode mp3 to pcm by ffmpeg - Stack Overflow

https://stackoverflow.com/questions/17027062/how-to-decode-mp3-to-pcm-by-ffmpeg

len = avcodec_decode_audio4(avCodecContext,avFrame, &got_frame,&avPacket); int data_size = av_samples_get_buffer_size(NULL,avFrame->channels,avFrame->nb_samples,AV_SAMPLE_FMT_S16P,1); data_size is size of data frame from decoder, it depends on number of channels, number of data samples and data type(my data are 16bit …

avcodec_decode_audio4() help

https://libav-user.ffmpeg.narkive.com/EUt0TcAF/avcodec-decode-audio4-help

avctx->release_buffer = avcodec_default_release_buffer;} ret = avcodec_decode_audio4(avctx, &frame, &got_frame, avpkt); if (ret >= 0 && got_frame) {int ch, plane_size; int planar = av_sample_fmt_is_planar(avctx->sample_fmt); int data_size = av_samples_get_buffer_size(&plane_size, avctx->channels, frame.nb_samples, avctx …

Use ffmpeg's libavcodec and libavformat to decode an audio ...

https://gist.github.com/jl2/1681387

while (packet. size > 0) {int len = avcodec_decode_audio4 (pFormatCtx-> streams [0]-> codec, frame, &gotit, &packet); int plane_size; int data_size = av_samples_get_buffer_size (&plane_size, aCodecCtx-> channels, frame-> nb_samples, aCodecCtx-> sample_fmt, 1); if (total_data_size+data_size > allocated_buffer) {allocated_buffer = allocated_buffer* 1.25;

FFmpeg: doc/examples/decoding_encoding.c

https://ffmpeg.org/doxygen/trunk/doc_2examples_2decoding__encoding_8c-example.html

Generated on Sun Dec 16 19:21:11 2012 for FFmpeg by 1.5.8 1.5.8

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