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authorClément Bœsch <cboesch@gopro.com>2017-04-04 11:33:04 +0200
committerClément Bœsch <cboesch@gopro.com>2017-04-04 11:33:04 +0200
commit3d12d106775a5a821b3cb3aaaeadd8cb48f19550 (patch)
treefdeff3353652d4a7f066e14ec08389dd7e717168 /doc
parent87e16e2b44584fdb4397b59cf59274e68a58fb7c (diff)
parent3d66717f7cb5555257244be8f5bce172ed3af7ac (diff)
Merge commit '3d66717f7cb5555257244be8f5bce172ed3af7ac'
* commit '3d66717f7cb5555257244be8f5bce172ed3af7ac': examples/decode_audio: use the new audio decoding API Merged-by: Clément Bœsch <cboesch@gopro.com>
Diffstat (limited to 'doc')
-rw-r--r--doc/examples/decode_audio.c43
1 files changed, 24 insertions, 19 deletions
diff --git a/doc/examples/decode_audio.c b/doc/examples/decode_audio.c
index 8ad9f06fa2..47c878dc02 100644
--- a/doc/examples/decode_audio.c
+++ b/doc/examples/decode_audio.c
@@ -42,29 +42,34 @@
static void decode(AVCodecContext *dec_ctx, AVPacket *pkt, AVFrame *frame,
FILE *outfile)
{
- int len, got_frame;
+ int i, ch;
+ 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) {
- int i, ch;
- /* if a frame has been decoded, output it */
- int data_size = av_get_bytes_per_sample(dec_ctx->sample_fmt);
- if (data_size < 0) {
- /* This should not occur, checking just for paranoia */
- fprintf(stderr, "Failed to calculate data size\n");
- exit(1);
- }
- for (i = 0; i < frame->nb_samples; i++)
- for (ch = 0; ch < dec_ctx->channels; ch++)
- fwrite(frame->data[ch] + data_size*i, 1, data_size, outfile);
+ data_size = av_get_bytes_per_sample(dec_ctx->sample_fmt);
+ if (data_size < 0) {
+ /* This should not occur, checking just for paranoia */
+ fprintf(stderr, "Failed to calculate data size\n");
+ exit(1);
}
- pkt->size -= len;
- pkt->data += len;
+ for (i = 0; i < frame->nb_samples; i++)
+ for (ch = 0; ch < dec_ctx->channels; ch++)
+ fwrite(frame->data[ch] + data_size*i, 1, data_size, outfile);
}
}