Add ff_ prefix for mpeg2_dc_scale_table.

[ffmpeg] / libavcodec / pngdec.c

diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
index 5711c8ad8862276c90f809bd322b748e85437ac2..6cce626fd361f5df94cca9f0694231548637a7b3 100644 (file)
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -430,13 +430,11 @@ static int decode_frame(AVCodecContext *avctx,
             goto fail;
         tag32 = bytestream_get_be32(&s->bytestream);
         tag = bswap_32(tag32);
-#ifdef DEBUG
-        av_log(avctx, AV_LOG_DEBUG, "png: tag=%c%c%c%c length=%u\n",
-               (tag & 0xff),
-               ((tag >> 8) & 0xff),
-               ((tag >> 16) & 0xff),
-               ((tag >> 24) & 0xff), length);
-#endif
+        dprintf(avctx, "png: tag=%c%c%c%c length=%u\n",
+                (tag & 0xff),
+                ((tag >> 8) & 0xff),
+                ((tag >> 16) & 0xff),
+                ((tag >> 24) & 0xff), length);
         switch(tag) {
         case MKTAG('I', 'H', 'D', 'R'):
             if (length != 13)
@@ -454,11 +452,9 @@ static int decode_frame(AVCodecContext *avctx,
             s->interlace_type = *s->bytestream++;
             crc = bytestream_get_be32(&s->bytestream);
             s->state |= PNG_IHDR;
-#ifdef DEBUG
-            av_log(avctx, AV_LOG_DEBUG, "width=%d height=%d depth=%d color_type=%d compression_type=%d filter_type=%d interlace_type=%d\n",
-                   s->width, s->height, s->bit_depth, s->color_type,
-                   s->compression_type, s->filter_type, s->interlace_type);
-#endif
+            dprintf(avctx, "width=%d height=%d depth=%d color_type=%d compression_type=%d filter_type=%d interlace_type=%d\n",
+                    s->width, s->height, s->bit_depth, s->color_type,
+                    s->compression_type, s->filter_type, s->interlace_type);
             break;
         case MKTAG('I', 'D', 'A', 'T'):
             if (!(s->state & PNG_IHDR))
@@ -518,10 +514,8 @@ static int decode_frame(AVCodecContext *avctx,
                                                          s->width);
                     s->crow_size = s->pass_row_size + 1;
                 }
-#ifdef DEBUG
-                av_log(avctx, AV_LOG_DEBUG, "row_size=%d crow_size =%d\n",
-                       s->row_size, s->crow_size);
-#endif
+                dprintf(avctx, "row_size=%d crow_size =%d\n",
+                        s->row_size, s->crow_size);
                 s->image_buf = p->data[0];
                 s->image_linesize = p->linesize[0];
                 /* copy the palette if needed */
@@ -648,6 +642,18 @@ static av_cold int png_dec_init(AVCodecContext *avctx){
     return 0;
 }
 
+static av_cold int png_dec_end(AVCodecContext *avctx)
+{
+    PNGDecContext *s = avctx->priv_data;
+
+    if (s->picture1.data[0])
+        avctx->release_buffer(avctx, &s->picture1);
+    if (s->picture2.data[0])
+        avctx->release_buffer(avctx, &s->picture2);
+
+    return 0;
+}
+
 AVCodec png_decoder = {
     "png",
     CODEC_TYPE_VIDEO,
@@ -655,7 +661,7 @@ AVCodec png_decoder = {
     sizeof(PNGDecContext),
     png_dec_init,
     NULL,
-    NULL, //decode_end,
+    png_dec_end,
     decode_frame,
     CODEC_CAP_DR1 /*| CODEC_CAP_DRAW_HORIZ_BAND*/,
     NULL,