avcodec: Constify some AVPackets

[ffmpeg] / libavcodec / pngdec.c

diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
index cece08ebca2838fddb0cabbbfff54c1b5165e32a..a5a71ef161cf886b7f31baa5799c22dcc981c098 100644 (file)
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -1179,7 +1179,7 @@ static int handle_p_frame_apng(AVCodecContext *avctx, PNGDecContext *s,
 }
 
 static int decode_frame_common(AVCodecContext *avctx, PNGDecContext *s,
-                               AVFrame *p, AVPacket *avpkt)
+                               AVFrame *p, const AVPacket *avpkt)
 {
     const AVCRC *crc_tab = av_crc_get_table(AV_CRC_32_IEEE_LE);
     AVDictionary **metadatap = NULL;