X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftags%2Fsynfig_0_61_03%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavformat%2Fpnm.c;fp=synfig-core%2Ftags%2Fsynfig_0_61_03%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavformat%2Fpnm.c;h=0000000000000000000000000000000000000000;hb=6fa8f2f38d4b0b35f8539bf94e27ae27015c7689;hp=a831e212d2b5fe5eaf724f151864a150c5ab39ce;hpb=47fce282611fbba1044921d22ca887f9b53ad91a;p=synfig.git diff --git a/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavformat/pnm.c b/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavformat/pnm.c deleted file mode 100644 index a831e21..0000000 --- a/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavformat/pnm.c +++ /dev/null @@ -1,476 +0,0 @@ -/* - * PNM image format - * Copyright (c) 2002, 2003 Fabrice Bellard. - * - * This library 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 of the License, or (at your option) any later version. - * - * This library 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 this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include "avformat.h" - -static inline int pnm_space(int c) -{ - return (c == ' ' || c == '\n' || c == '\r' || c == '\t'); -} - -static void pnm_get(ByteIOContext *f, char *str, int buf_size) -{ - char *s; - int c; - - /* skip spaces and comments */ - for(;;) { - c = url_fgetc(f); - if (c == '#') { - do { - c = url_fgetc(f); - } while (c != '\n' && c != URL_EOF); - } else if (!pnm_space(c)) { - break; - } - } - - s = str; - while (c != URL_EOF && !pnm_space(c)) { - if ((s - str) < buf_size - 1) - *s++ = c; - c = url_fgetc(f); - } - *s = '\0'; -} - -static int pnm_read1(ByteIOContext *f, - int (*alloc_cb)(void *opaque, AVImageInfo *info), void *opaque, - int allow_yuv) -{ - int i, n, linesize, h; - char buf1[32]; - unsigned char *ptr; - AVImageInfo info1, *info = &info1; - int ret; - - pnm_get(f, buf1, sizeof(buf1)); - if (!strcmp(buf1, "P4")) { - info->pix_fmt = PIX_FMT_MONOWHITE; - } else if (!strcmp(buf1, "P5")) { - if (allow_yuv) - info->pix_fmt = PIX_FMT_YUV420P; - else - info->pix_fmt = PIX_FMT_GRAY8; - } else if (!strcmp(buf1, "P6")) { - info->pix_fmt = PIX_FMT_RGB24; - } else { - return AVERROR_INVALIDDATA; - } - pnm_get(f, buf1, sizeof(buf1)); - info->width = atoi(buf1); - if (info->width <= 0) - return AVERROR_INVALIDDATA; - pnm_get(f, buf1, sizeof(buf1)); - info->height = atoi(buf1); - if (info->height <= 0) - return AVERROR_INVALIDDATA; - if (info->pix_fmt != PIX_FMT_MONOWHITE) { - pnm_get(f, buf1, sizeof(buf1)); - } - - /* more check if YUV420 */ - if (info->pix_fmt == PIX_FMT_YUV420P) { - if ((info->width & 1) != 0) - return AVERROR_INVALIDDATA; - h = (info->height * 2); - if ((h % 3) != 0) - return AVERROR_INVALIDDATA; - h /= 3; - info->height = h; - } - - ret = alloc_cb(opaque, info); - if (ret) - return ret; - - switch(info->pix_fmt) { - default: - return AVERROR_INVALIDDATA; - case PIX_FMT_RGB24: - n = info->width * 3; - goto do_read; - case PIX_FMT_GRAY8: - n = info->width; - goto do_read; - case PIX_FMT_MONOWHITE: - n = (info->width + 7) >> 3; - do_read: - ptr = info->pict.data[0]; - linesize = info->pict.linesize[0]; - for(i = 0; i < info->height; i++) { - get_buffer(f, ptr, n); - ptr += linesize; - } - break; - case PIX_FMT_YUV420P: - { - unsigned char *ptr1, *ptr2; - - n = info->width; - ptr = info->pict.data[0]; - linesize = info->pict.linesize[0]; - for(i = 0; i < info->height; i++) { - get_buffer(f, ptr, n); - ptr += linesize; - } - ptr1 = info->pict.data[1]; - ptr2 = info->pict.data[2]; - n >>= 1; - h = info->height >> 1; - for(i = 0; i < h; i++) { - get_buffer(f, ptr1, n); - get_buffer(f, ptr2, n); - ptr1 += info->pict.linesize[1]; - ptr2 += info->pict.linesize[2]; - } - } - break; - } - return 0; -} - -static int pnm_read(ByteIOContext *f, - int (*alloc_cb)(void *opaque, AVImageInfo *info), void *opaque) -{ - return pnm_read1(f, alloc_cb, opaque, 0); -} - -static int pgmyuv_read(ByteIOContext *f, - int (*alloc_cb)(void *opaque, AVImageInfo *info), void *opaque) -{ - return pnm_read1(f, alloc_cb, opaque, 1); -} - -static int pnm_write(ByteIOContext *pb, AVImageInfo *info) -{ - int i, h, h1, c, n, linesize; - char buf[100]; - uint8_t *ptr, *ptr1, *ptr2; - - h = info->height; - h1 = h; - switch(info->pix_fmt) { - case PIX_FMT_MONOWHITE: - c = '4'; - n = (info->width + 7) >> 3; - break; - case PIX_FMT_GRAY8: - c = '5'; - n = info->width; - break; - case PIX_FMT_RGB24: - c = '6'; - n = info->width * 3; - break; - case PIX_FMT_YUV420P: - c = '5'; - n = info->width; - h1 = (h * 3) / 2; - break; - default: - return AVERROR_INVALIDDATA; - } - snprintf(buf, sizeof(buf), - "P%c\n%d %d\n", - c, info->width, h1); - put_buffer(pb, buf, strlen(buf)); - if (info->pix_fmt != PIX_FMT_MONOWHITE) { - snprintf(buf, sizeof(buf), - "%d\n", 255); - put_buffer(pb, buf, strlen(buf)); - } - - ptr = info->pict.data[0]; - linesize = info->pict.linesize[0]; - for(i=0;ipix_fmt == PIX_FMT_YUV420P) { - h >>= 1; - n >>= 1; - ptr1 = info->pict.data[1]; - ptr2 = info->pict.data[2]; - for(i=0;ipict.linesize[1]; - ptr2 += info->pict.linesize[2]; - } - } - put_flush_packet(pb); - return 0; -} - -static int pam_read(ByteIOContext *f, - int (*alloc_cb)(void *opaque, AVImageInfo *info), void *opaque) -{ - int i, n, linesize, h, w, depth, maxval; - char buf1[32], tuple_type[32]; - unsigned char *ptr; - AVImageInfo info1, *info = &info1; - int ret; - - pnm_get(f, buf1, sizeof(buf1)); - if (strcmp(buf1, "P7") != 0) - return AVERROR_INVALIDDATA; - w = -1; - h = -1; - maxval = -1; - depth = -1; - tuple_type[0] = '\0'; - for(;;) { - pnm_get(f, buf1, sizeof(buf1)); - if (!strcmp(buf1, "WIDTH")) { - pnm_get(f, buf1, sizeof(buf1)); - w = strtol(buf1, NULL, 10); - } else if (!strcmp(buf1, "HEIGHT")) { - pnm_get(f, buf1, sizeof(buf1)); - h = strtol(buf1, NULL, 10); - } else if (!strcmp(buf1, "DEPTH")) { - pnm_get(f, buf1, sizeof(buf1)); - depth = strtol(buf1, NULL, 10); - } else if (!strcmp(buf1, "MAXVAL")) { - pnm_get(f, buf1, sizeof(buf1)); - maxval = strtol(buf1, NULL, 10); - } else if (!strcmp(buf1, "TUPLETYPE")) { - pnm_get(f, buf1, sizeof(buf1)); - pstrcpy(tuple_type, sizeof(tuple_type), buf1); - } else if (!strcmp(buf1, "ENDHDR")) { - break; - } else { - return AVERROR_INVALIDDATA; - } - } - /* check that all tags are present */ - if (w <= 0 || h <= 0 || maxval <= 0 || depth <= 0 || tuple_type[0] == '\0') - return AVERROR_INVALIDDATA; - info->width = w; - info->height = h; - if (depth == 1) { - if (maxval == 1) - info->pix_fmt = PIX_FMT_MONOWHITE; - else - info->pix_fmt = PIX_FMT_GRAY8; - } else if (depth == 3) { - info->pix_fmt = PIX_FMT_RGB24; - } else if (depth == 4) { - info->pix_fmt = PIX_FMT_RGBA32; - } else { - return AVERROR_INVALIDDATA; - } - ret = alloc_cb(opaque, info); - if (ret) - return ret; - - switch(info->pix_fmt) { - default: - return AVERROR_INVALIDDATA; - case PIX_FMT_RGB24: - n = info->width * 3; - goto do_read; - case PIX_FMT_GRAY8: - n = info->width; - goto do_read; - case PIX_FMT_MONOWHITE: - n = (info->width + 7) >> 3; - do_read: - ptr = info->pict.data[0]; - linesize = info->pict.linesize[0]; - for(i = 0; i < info->height; i++) { - get_buffer(f, ptr, n); - ptr += linesize; - } - break; - case PIX_FMT_RGBA32: - ptr = info->pict.data[0]; - linesize = info->pict.linesize[0]; - for(i = 0; i < info->height; i++) { - int j, r, g, b, a; - - for(j = 0;j < w; j++) { - r = get_byte(f); - g = get_byte(f); - b = get_byte(f); - a = get_byte(f); - ((uint32_t *)ptr)[j] = (a << 24) | (r << 16) | (g << 8) | b; - } - ptr += linesize; - } - break; - } - return 0; -} - -static int pam_write(ByteIOContext *pb, AVImageInfo *info) -{ - int i, h, w, n, linesize, depth, maxval; - const char *tuple_type; - char buf[100]; - uint8_t *ptr; - - h = info->height; - w = info->width; - switch(info->pix_fmt) { - case PIX_FMT_MONOWHITE: - n = (info->width + 7) >> 3; - depth = 1; - maxval = 1; - tuple_type = "BLACKANDWHITE"; - break; - case PIX_FMT_GRAY8: - n = info->width; - depth = 1; - maxval = 255; - tuple_type = "GRAYSCALE"; - break; - case PIX_FMT_RGB24: - n = info->width * 3; - depth = 3; - maxval = 255; - tuple_type = "RGB"; - break; - case PIX_FMT_RGBA32: - n = info->width * 4; - depth = 4; - maxval = 255; - tuple_type = "RGB_ALPHA"; - break; - default: - return AVERROR_INVALIDDATA; - } - snprintf(buf, sizeof(buf), - "P7\nWIDTH %d\nHEIGHT %d\nDEPTH %d\nMAXVAL %d\nTUPLETYPE %s\nENDHDR\n", - w, h, depth, maxval, tuple_type); - put_buffer(pb, buf, strlen(buf)); - - ptr = info->pict.data[0]; - linesize = info->pict.linesize[0]; - - if (info->pix_fmt == PIX_FMT_RGBA32) { - int j; - unsigned int v; - - for(i=0;i> 16) & 0xff); - put_byte(pb, (v >> 8) & 0xff); - put_byte(pb, (v) & 0xff); - put_byte(pb, (v >> 24) & 0xff); - } - ptr += linesize; - } - } else { - for(i=0;ibuf; - if (pd->buf_size >= 8 && - p[0] == 'P' && - p[1] >= '4' && p[1] <= '6' && - p[2] == '\n') - return AVPROBE_SCORE_MAX - 1; /* to permit pgmyuv probe */ - else - return 0; -} - -static int pgmyuv_probe(AVProbeData *pd) -{ - if (match_ext(pd->filename, "pgmyuv")) - return AVPROBE_SCORE_MAX; - else - return 0; -} - -static int pam_probe(AVProbeData *pd) -{ - const char *p = pd->buf; - if (pd->buf_size >= 8 && - p[0] == 'P' && - p[1] == '7' && - p[2] == '\n') - return AVPROBE_SCORE_MAX; - else - return 0; -} - -AVImageFormat pnm_image_format = { - "pnm", - NULL, - pnm_probe, - pnm_read, - 0, - NULL, -}; - -AVImageFormat pbm_image_format = { - "pbm", - "pbm", - NULL, - NULL, - (1 << PIX_FMT_MONOWHITE), - pnm_write, -}; - -AVImageFormat pgm_image_format = { - "pgm", - "pgm", - NULL, - NULL, - (1 << PIX_FMT_GRAY8), - pnm_write, -}; - -AVImageFormat ppm_image_format = { - "ppm", - "ppm", - NULL, - NULL, - (1 << PIX_FMT_RGB24), - pnm_write, -}; - -AVImageFormat pam_image_format = { - "pam", - "pam", - pam_probe, - pam_read, - (1 << PIX_FMT_MONOWHITE) | (1 << PIX_FMT_GRAY8) | (1 << PIX_FMT_RGB24) | - (1 << PIX_FMT_RGBA32), - pam_write, -}; - -AVImageFormat pgmyuv_image_format = { - "pgmyuv", - "pgmyuv", - pgmyuv_probe, - pgmyuv_read, - (1 << PIX_FMT_YUV420P), - pnm_write, -};