diff options
| -rw-r--r-- | doc/examples/decode_audio.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/doc/examples/decode_audio.c b/doc/examples/decode_audio.c index d2150a67c1..5e128f8f19 100644 --- a/doc/examples/decode_audio.c +++ b/doc/examples/decode_audio.c @@ -40,23 +40,29 @@ static void decode(AVCodecContext *dec_ctx, AVPacket *pkt, AVFrame *frame, FILE *outfile) { - int len, got_frame; + int ret, data_size; - while (pkt->size > 0) { - len = avcodec_decode_audio4(dec_ctx, frame, &got_frame, pkt); - if (len < 0) { - fprintf(stderr, "Error while decoding\n"); + /* send the packet with the compressed data to the decoder */ + ret = avcodec_send_packet(dec_ctx, pkt); + if (ret < 0) { + fprintf(stderr, "Error submitting the packet to the decoder\n"); + exit(1); + } + + /* read all the output frames (in general there may be any number of them */ + while (ret >= 0) { + ret = avcodec_receive_frame(dec_ctx, frame); + if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) + return; + else if (ret < 0) { + fprintf(stderr, "Error during decoding\n"); exit(1); } - if (got_frame) { - /* if a frame has been decoded, output it */ - int data_size = av_samples_get_buffer_size(NULL, dec_ctx->channels, - frame->nb_samples, - dec_ctx->sample_fmt, 1); - fwrite(frame->data[0], 1, data_size, outfile); - } - pkt->size -= len; - pkt->data += len; + + data_size = av_samples_get_buffer_size(NULL, dec_ctx->channels, + frame->nb_samples, + dec_ctx->sample_fmt, 1); + fwrite(frame->data[0], 1, data_size, outfile); } } |