flacenc: Clamp user-supplied min/max prediction orders
authorVittorio Giovara <vittorio.giovara@gmail.com>
Mon, 16 Nov 2015 15:05:54 +0000 (16:05 +0100)
committerVittorio Giovara <vittorio.giovara@gmail.com>
Mon, 16 Nov 2015 15:56:42 +0000 (16:56 +0100)
This mimics what the code does internally for default order values.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
libavcodec/flacenc.c

index 58961b8..7349f44 100644 (file)
@@ -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) {