lavc/mjpegdec: avoid unneeded allocation if the frame is to be skipped

[ffmpeg] / libavcodec / mpeg12.h

diff --git a/libavcodec/mpeg12.h b/libavcodec/mpeg12.h
index 16ca195a47ecf4f2f44da51591100f73d373cb5a..a20ef923688e78275e06b1eeb549440a48da62a6 100644 (file)
--- a/libavcodec/mpeg12.h
+++ b/libavcodec/mpeg12.h
@@ -50,7 +50,11 @@ static inline int decode_dc(GetBitContext *gb, int component)
     return diff;
 }
 
-int ff_mpeg1_decode_block_intra(MpegEncContext *s, int16_t *block, int n);
+int ff_mpeg1_decode_block_intra(GetBitContext *gb,
+                                const uint16_t *quant_matrix,
+                                uint8_t *const scantable, int last_dc[3],
+                                int16_t *block, int index, int qscale);
+
 void ff_mpeg1_clean_buffers(MpegEncContext *s);
 int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size, AVCodecParserContext *s);