Merge commit 'f76698e759a08e8d3b629c06edb0439f474e7fee'

* commit 'f76698e759a08e8d3b629c06edb0439f474e7fee':
  examples/encode_audio: use the AVFrame API for allocating the data

Merged-by: Clément Bœsch <u@pkh.me>

diff --cc doc/examples/encode_audio.c
index b788775,db2440f..f3bb102
--- 1/doc/examples/encode_audio.c
--- 2/doc/examples/encode_audio.c
+++ b/doc/examples/encode_audio.c
@@@ -165,25 -158,10 +164,10 @@@ int main(int argc, char **argv
      frame->format         = c->sample_fmt;
      frame->channel_layout = c->channel_layout;
  
-     /* the codec gives us the frame size, in samples,
-      * we calculate the size of the samples buffer in bytes */
-     buffer_size = av_samples_get_buffer_size(NULL, c->channels, c->frame_size,
-                                              c->sample_fmt, 0);
-     if (buffer_size < 0) {
-         fprintf(stderr, "Could not get sample buffer size\n");
-         exit(1);
-     }
-     samples = av_malloc(buffer_size);
-     if (!samples) {
-         fprintf(stderr, "Could not allocate %d bytes for samples buffer\n",
-                 buffer_size);
-         exit(1);
-     }
-     /* setup the data pointers in the AVFrame */
-     ret = avcodec_fill_audio_frame(frame, c->channels, c->sample_fmt,
-                                    (const uint8_t*)samples, buffer_size, 0);
+     /* allocate the data buffers */
+     ret = av_frame_get_buffer(frame, 0);
      if (ret < 0) {
-         fprintf(stderr, "Could not setup audio frame\n");
 -        fprintf(stderr, "could not allocate audio data buffers\n");
++        fprintf(stderr, "Could not allocate audio data buffers\n");
          exit(1);
      }
  
@@@ -213,23 -198,8 +204,22 @@@
              av_packet_unref(&pkt);
          }
      }
 +
 +    /* get the delayed frames */
 +    for (got_output = 1; got_output; i++) {
 +        ret = avcodec_encode_audio2(c, &pkt, NULL, &got_output);
 +        if (ret < 0) {
 +            fprintf(stderr, "Error encoding frame\n");
 +            exit(1);
 +        }
 +
 +        if (got_output) {
 +            fwrite(pkt.data, 1, pkt.size, f);
 +            av_packet_unref(&pkt);
 +        }
 +    }
      fclose(f);
  
-     av_freep(&samples);
      av_frame_free(&frame);
      avcodec_free_context(&c);
  }