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Side by Side Diff: source/patched-ffmpeg-mt/libavcodec/pnm.c

Issue 3384002: ffmpeg source update for sep 09 (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/ffmpeg/
Patch Set: Created 10 years, 3 months ago
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1 /* 1 /*
2 * PNM image format 2 * PNM image format
3 * Copyright (c) 2002, 2003 Fabrice Bellard 3 * Copyright (c) 2002, 2003 Fabrice Bellard
4 * 4 *
5 * This file is part of FFmpeg. 5 * This file is part of FFmpeg.
6 * 6 *
7 * FFmpeg is free software; you can redistribute it and/or 7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public 8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either 9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version. 10 * version 2.1 of the License, or (at your option) any later version.
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95 maxval = strtol(buf1, NULL, 10); 95 maxval = strtol(buf1, NULL, 10);
96 } else if (!strcmp(buf1, "TUPLETYPE")) { 96 } else if (!strcmp(buf1, "TUPLETYPE")) {
97 pnm_get(s, tuple_type, sizeof(tuple_type)); 97 pnm_get(s, tuple_type, sizeof(tuple_type));
98 } else if (!strcmp(buf1, "ENDHDR")) { 98 } else if (!strcmp(buf1, "ENDHDR")) {
99 break; 99 break;
100 } else { 100 } else {
101 return -1; 101 return -1;
102 } 102 }
103 } 103 }
104 /* check that all tags are present */ 104 /* check that all tags are present */
105 if (w <= 0 || h <= 0 || maxval <= 0 || depth <= 0 || tuple_type[0] == '\ 0' || av_check_image_size(w, h, 0, avctx)) 105 if (w <= 0 || h <= 0 || maxval <= 0 || depth <= 0 || tuple_type[0] == '\ 0' || av_image_check_size(w, h, 0, avctx))
106 return -1; 106 return -1;
107 107
108 avctx->width = w; 108 avctx->width = w;
109 avctx->height = h; 109 avctx->height = h;
110 if (depth == 1) { 110 if (depth == 1) {
111 if (maxval == 1) 111 if (maxval == 1)
112 avctx->pix_fmt = PIX_FMT_MONOWHITE; 112 avctx->pix_fmt = PIX_FMT_MONOWHITE;
113 else 113 else
114 avctx->pix_fmt = PIX_FMT_GRAY8; 114 avctx->pix_fmt = PIX_FMT_GRAY8;
115 } else if (depth == 3) { 115 } else if (depth == 3) {
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128 return 0; 128 return 0;
129 } else { 129 } else {
130 return -1; 130 return -1;
131 } 131 }
132 pnm_get(s, buf1, sizeof(buf1)); 132 pnm_get(s, buf1, sizeof(buf1));
133 avctx->width = atoi(buf1); 133 avctx->width = atoi(buf1);
134 if (avctx->width <= 0) 134 if (avctx->width <= 0)
135 return -1; 135 return -1;
136 pnm_get(s, buf1, sizeof(buf1)); 136 pnm_get(s, buf1, sizeof(buf1));
137 avctx->height = atoi(buf1); 137 avctx->height = atoi(buf1);
138 if(av_check_image_size(avctx->width, avctx->height, 0, avctx)) 138 if(av_image_check_size(avctx->width, avctx->height, 0, avctx))
139 return -1; 139 return -1;
140 if (avctx->pix_fmt != PIX_FMT_MONOWHITE) { 140 if (avctx->pix_fmt != PIX_FMT_MONOWHITE) {
141 pnm_get(s, buf1, sizeof(buf1)); 141 pnm_get(s, buf1, sizeof(buf1));
142 s->maxval = atoi(buf1); 142 s->maxval = atoi(buf1);
143 if (s->maxval >= 256) { 143 if (s->maxval >= 256) {
144 if (avctx->pix_fmt == PIX_FMT_GRAY8) { 144 if (avctx->pix_fmt == PIX_FMT_GRAY8) {
145 avctx->pix_fmt = PIX_FMT_GRAY16BE; 145 avctx->pix_fmt = PIX_FMT_GRAY16BE;
146 if (s->maxval != 65535) 146 if (s->maxval != 65535)
147 avctx->pix_fmt = PIX_FMT_GRAY16; 147 avctx->pix_fmt = PIX_FMT_GRAY16;
148 } else if (avctx->pix_fmt == PIX_FMT_RGB24) { 148 } else if (avctx->pix_fmt == PIX_FMT_RGB24) {
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181 181
182 av_cold int ff_pnm_init(AVCodecContext *avctx) 182 av_cold int ff_pnm_init(AVCodecContext *avctx)
183 { 183 {
184 PNMContext *s = avctx->priv_data; 184 PNMContext *s = avctx->priv_data;
185 185
186 avcodec_get_frame_defaults((AVFrame*)&s->picture); 186 avcodec_get_frame_defaults((AVFrame*)&s->picture);
187 avctx->coded_frame = (AVFrame*)&s->picture; 187 avctx->coded_frame = (AVFrame*)&s->picture;
188 188
189 return 0; 189 return 0;
190 } 190 }
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