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authorReimar Döffinger <Reimar.Doeffinger@gmx.de>2012-01-05 21:01:56 +0100
committerAnton Khirnov <anton@khirnov.net>2012-09-28 08:04:33 +0200
commite9ac06160f4550c339dbd1a30a6c6925a7a17dbd (patch)
treee848690d94f4c69d3eb4cd70552279f9951488fa
parent02b72394627933dc8ce26445231a69f00dba491b (diff)
downloadffmpeg-e9ac06160f4550c339dbd1a30a6c6925a7a17dbd.tar.gz
sipr: fall back to setting mode based on bit_rate.
Not all applications (e.g. MPlayer) set block_align, and when using a different demuxer it might not even be easily available. So fall back to selecting mode based on bit rate as before if block_align has not useful value. It can't be worse than failing to decode completely. (cherry picked from commit 1d0d63052b82c76e10c45cd38cdd27677de72e81) CC: libav-stable@libav.org Signed-off-by: Reinhard Tartler <siretart@tauware.de> (cherry picked from commit c54e00610f20d2342fe9b17a5460abfbd411c8fb) Signed-off-by: Anton Khirnov <anton@khirnov.net>
-rw-r--r--libavcodec/sipr.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/libavcodec/sipr.c b/libavcodec/sipr.c
index 4502fa5f2a..818524ca62 100644
--- a/libavcodec/sipr.c
+++ b/libavcodec/sipr.c
@@ -486,8 +486,13 @@ static av_cold int sipr_decoder_init(AVCodecContext * avctx)
case 29: ctx->mode = MODE_6k5; break;
case 37: ctx->mode = MODE_5k0; break;
default:
- av_log(avctx, AV_LOG_ERROR, "Invalid block_align: %d\n", avctx->block_align);
- return AVERROR(EINVAL);
+ if (avctx->bit_rate > 12200) ctx->mode = MODE_16k;
+ else if (avctx->bit_rate > 7500 ) ctx->mode = MODE_8k5;
+ else if (avctx->bit_rate > 5750 ) ctx->mode = MODE_6k5;
+ else ctx->mode = MODE_5k0;
+ av_log(avctx, AV_LOG_WARNING,
+ "Invalid block_align: %d. Mode %s guessed based on bitrate: %d\n",
+ avctx->block_align, modes[ctx->mode].mode_name, avctx->bit_rate);
}
av_log(avctx, AV_LOG_DEBUG, "Mode: %s\n", modes[ctx->mode].mode_name);