avformat/avformat, utils: Make av_find_best_stream const-correct

[ffmpeg] / libavcodec / amrwbdec.c

diff --git a/libavcodec/amrwbdec.c b/libavcodec/amrwbdec.c
index 7d357a26854bdc57f276dbd066ae502ae2485205..070f276904eb6c106a7836600d39d75437f80091 100644 (file)
--- a/libavcodec/amrwbdec.c
+++ b/libavcodec/amrwbdec.c
@@ -1125,6 +1125,8 @@ static int amrwb_decode_frame(AVCodecContext *avctx, void *data,
         av_log(avctx, AV_LOG_ERROR, "Encountered a bad or corrupted frame\n");
 
     if (ctx->fr_cur_mode == NO_DATA || !ctx->fr_quality) {
+        /* The specification suggests a "random signal" and
+           "a muting technique" to "gradually decrease the output level". */
         av_samples_set_silence(&frame->data[0], 0, frame->nb_samples, 1, AV_SAMPLE_FMT_FLT);
         *got_frame_ptr = 1;
         return expected_fr_size;
@@ -1281,7 +1283,7 @@ AVCodec ff_amrwb_decoder = {
     .priv_data_size = sizeof(AMRWBContext),
     .init           = amrwb_decode_init,
     .decode         = amrwb_decode_frame,
-    .capabilities   = AV_CODEC_CAP_DR1,
+    .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_CHANNEL_CONF,
     .sample_fmts    = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_FLT,
                                                      AV_SAMPLE_FMT_NONE },
 };