1 files changed, 0 insertions, 83 deletions
diff --git a/contrib/ffmpeg/libavcodec/png.c b/contrib/ffmpeg/libavcodec/png.c
deleted file mode 100644
index c95ba3e10..000000000
--- a/contrib/ffmpeg/libavcodec/png.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * PNG image format
- * Copyright (c) 2003 Fabrice Bellard.
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#include "avcodec.h"
-#include "bytestream.h"
-#include "png.h"
-
-const uint8_t ff_pngsig[8] = {137, 80, 78, 71, 13, 10, 26, 10};
-const uint8_t ff_mngsig[8] = {138, 77, 78, 71, 13, 10, 26, 10};
-
-/* Mask to determine which y pixels are valid in a pass */
-const uint8_t ff_png_pass_ymask[NB_PASSES] = {
-    0x80, 0x80, 0x08, 0x88, 0x22, 0xaa, 0x55,
-};
-
-/* minimum x value */
-const uint8_t ff_png_pass_xmin[NB_PASSES] = {
-    0, 4, 0, 2, 0, 1, 0
-};
-
-/* x shift to get row width */
-const uint8_t ff_png_pass_xshift[NB_PASSES] = {
-    3, 3, 2, 2, 1, 1, 0
-};
-
-/* Mask to determine which pixels are valid in a pass */
-const uint8_t ff_png_pass_mask[NB_PASSES] = {
-    0x80, 0x08, 0x88, 0x22, 0xaa, 0x55, 0xff
-};
-
-void *ff_png_zalloc(void *opaque, unsigned int items, unsigned int size)
-{
-    if(items >= UINT_MAX / size)
-        return NULL;
-    return av_malloc(items * size);
-}
-
-void ff_png_zfree(void *opaque, void *ptr)
-{
-    av_free(ptr);
-}
-
-int ff_png_get_nb_channels(int color_type)
-{
-    int channels;
-    channels = 1;
-    if ((color_type & (PNG_COLOR_MASK_COLOR | PNG_COLOR_MASK_PALETTE)) ==
-        PNG_COLOR_MASK_COLOR)
-        channels = 3;
-    if (color_type & PNG_COLOR_MASK_ALPHA)
-        channels++;
-    return channels;
-}
-
-/* compute the row size of an interleaved pass */
-int ff_png_pass_row_size(int pass, int bits_per_pixel, int width)
-{
-    int shift, xmin, pass_width;
-
-    xmin = ff_png_pass_xmin[pass];
-    if (width <= xmin)
-        return 0;
-    shift = ff_png_pass_xshift[pass];
-    pass_width = (width - xmin + (1 << shift) - 1) >> shift;
-    return (pass_width * bits_per_pixel + 7) >> 3;
-}