1 files changed, 0 insertions, 119 deletions
diff --git a/ffmpeg/libavcodec/png_parser.c b/ffmpeg/libavcodec/png_parser.c
deleted file mode 100644
index 530d5a0..0000000
--- a/ffmpeg/libavcodec/png_parser.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
- * PNG parser
- * Copyright (c) 2009 Peter Holik
- *
- * 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
- */
-
-/**
- * @file
- * PNG parser
- */
-
-#include "parser.h"
-#include "png.h"
-
-typedef struct PNGParseContext {
-    ParseContext pc;
-    uint32_t chunk_pos;           ///< position inside current chunk
-    uint32_t chunk_length;        ///< length of the current chunk
-    uint32_t remaining_size;      ///< remaining size of the current chunk
-} PNGParseContext;
-
-static int png_parse(AVCodecParserContext *s, AVCodecContext *avctx,
-                     const uint8_t **poutbuf, int *poutbuf_size,
-                     const uint8_t *buf, int buf_size)
-{
-    PNGParseContext *ppc = s->priv_data;
-    int next = END_NOT_FOUND;
-    int i = 0;
-
-    s->pict_type = AV_PICTURE_TYPE_NONE;
-
-    *poutbuf_size = 0;
-    if (buf_size == 0)
-        return 0;
-
-    if (!ppc->pc.frame_start_found) {
-        uint64_t state64 = ppc->pc.state64;
-        for (; i < buf_size; i++) {
-            state64 = (state64 << 8) | buf[i];
-            if (state64 == PNGSIG || state64 == MNGSIG) {
-                i++;
-                ppc->pc.frame_start_found = 1;
-                break;
-            }
-        }
-        ppc->pc.state64 = state64;
-    } else if (ppc->remaining_size) {
-        i = FFMIN(ppc->remaining_size, buf_size);
-        ppc->remaining_size -= i;
-        if (ppc->remaining_size)
-            goto flush;
-        if (ppc->chunk_pos == -1) {
-            next = i;
-            goto flush;
-        }
-    }
-
-    for (; ppc->pc.frame_start_found && i < buf_size; i++) {
-        ppc->pc.state = (ppc->pc.state << 8) | buf[i];
-        if (ppc->chunk_pos == 3) {
-            ppc->chunk_length = ppc->pc.state;
-            if (ppc->chunk_length > 0x7fffffff) {
-                ppc->chunk_pos = ppc->pc.frame_start_found = 0;
-                goto flush;
-            }
-            ppc->chunk_length += 4;
-        } else if (ppc->chunk_pos == 7) {
-            if (ppc->chunk_length >= buf_size - i)
-                ppc->remaining_size = ppc->chunk_length - buf_size + i + 1;
-            if (ppc->pc.state == MKBETAG('I', 'E', 'N', 'D')) {
-                if (ppc->remaining_size)
-                    ppc->chunk_pos = -1;
-                else
-                    next = ppc->chunk_length + i + 1;
-                break;
-            } else {
-                ppc->chunk_pos = 0;
-                if (ppc->remaining_size)
-                    break;
-                else
-                    i += ppc->chunk_length;
-                continue;
-            }
-        }
-        ppc->chunk_pos++;
-    }
-
-flush:
-    if (ff_combine_frame(&ppc->pc, next, &buf, &buf_size) < 0)
-        return buf_size;
-
-    ppc->chunk_pos = ppc->pc.frame_start_found = 0;
-
-    *poutbuf      = buf;
-    *poutbuf_size = buf_size;
-    return next;
-}
-
-AVCodecParser ff_png_parser = {
-    .codec_ids      = { AV_CODEC_ID_PNG },
-    .priv_data_size = sizeof(PNGParseContext),
-    .parser_parse   = png_parse,
-    .parser_close   = ff_parse_close,
-};