avcodec/parser: Print an error in case of reallocation fails in ff_combine_frame()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/parser.c

@@ -255,6 +255,7 @@ int ff_combine_frame(ParseContext *pc, int next,
                                            FF_INPUT_BUFFER_PADDING_SIZE);
 
         if (!new_buffer) {
+            av_log(NULL, AV_LOG_ERROR, "Failed to reallocate parser buffer to %d\n", *buf_size + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
             pc->index = 0;
             return AVERROR(ENOMEM);
         }
@@ -273,6 +274,7 @@ int ff_combine_frame(ParseContext *pc, int next,
                                            next + pc->index +
                                            FF_INPUT_BUFFER_PADDING_SIZE);
         if (!new_buffer) {
+            av_log(NULL, AV_LOG_ERROR, "Failed to reallocate parser buffer to %d\n", next + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
             pc->overread_index =
             pc->index = 0;
             return AVERROR(ENOMEM);