Module: libav
Branch: master
Commit: 79d89cf2f4b62eeb653fd8139041c87e75f7ca65

Author:    Vittorio Giovara <[email protected]>
Committer: Vittorio Giovara <[email protected]>
Date:      Mon Nov 16 16:05:54 2015 +0100

flacenc: Clamp user-supplied min/max prediction orders

This mimics what the code does internally for default order values.

Signed-off-by: Vittorio Giovara <[email protected]>

---

 libavcodec/flacenc.c |   14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/libavcodec/flacenc.c b/libavcodec/flacenc.c
index 58961b8..7349f44 100644
--- a/libavcodec/flacenc.c
+++ b/libavcodec/flacenc.c
@@ -330,9 +330,10 @@ static av_cold int flac_encode_init(AVCodecContext *avctx)
     } else if (avctx->min_prediction_order >= 0) {
         if (s->options.lpc_type == FF_LPC_TYPE_FIXED) {
             if (avctx->min_prediction_order > MAX_FIXED_ORDER) {
-                av_log(avctx, AV_LOG_ERROR, "invalid min prediction order: 
%d\n",
-                       avctx->min_prediction_order);
-                return -1;
+                av_log(avctx, AV_LOG_WARNING,
+                       "invalid min prediction order %d, clamped to %d\n",
+                       avctx->min_prediction_order, MAX_FIXED_ORDER);
+                avctx->min_prediction_order = MAX_FIXED_ORDER;
             }
         } else if (avctx->min_prediction_order < MIN_LPC_ORDER ||
                    avctx->min_prediction_order > MAX_LPC_ORDER) {
@@ -347,9 +348,10 @@ static av_cold int flac_encode_init(AVCodecContext *avctx)
     } else if (avctx->max_prediction_order >= 0) {
         if (s->options.lpc_type == FF_LPC_TYPE_FIXED) {
             if (avctx->max_prediction_order > MAX_FIXED_ORDER) {
-                av_log(avctx, AV_LOG_ERROR, "invalid max prediction order: 
%d\n",
-                       avctx->max_prediction_order);
-                return -1;
+                av_log(avctx, AV_LOG_WARNING,
+                       "invalid max prediction order %d, clamped to %d\n",
+                       avctx->max_prediction_order, MAX_FIXED_ORDER);
+                avctx->max_prediction_order = MAX_FIXED_ORDER;
             }
         } else if (avctx->max_prediction_order < MIN_LPC_ORDER ||
                    avctx->max_prediction_order > MAX_LPC_ORDER) {

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