/*
- * DVD subtitle decoding for ffmpeg
+ * DVD subtitle decoding
* Copyright (c) 2005 Fabrice Bellard
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avcodec.h"
#include "get_bits.h"
-#include "colorspace.h"
#include "dsputil.h"
+#include "libavutil/colorspace.h"
//#define DEBUG
for (i = num_values; i > 0; i--) {
y = *ycbcr++;
- cb = *ycbcr++;
cr = *ycbcr++;
+ cb = *ycbcr++;
YUV_TO_RGB1_CCIR(cb, cr);
YUV_TO_RGB2_CCIR(r, g, b, y);
*rgba++ = (*alpha++ << 24) | (r << 16) | (g << 8) | b;
if (buf_size < 10)
return -1;
- sub_header->rects = NULL;
- sub_header->num_rects = 0;
- sub_header->format = 0;
- sub_header->start_display_time = 0;
- sub_header->end_display_time = 0;
+ memset(sub_header, 0, sizeof(*sub_header));
if (AV_RB16(buf) == 0) { /* HD subpicture with 4-byte offsets */
big_offsets = 1;
cmd_pos = READ_OFFSET(buf + cmd_pos);
- while ((cmd_pos + 2 + offset_size) < buf_size) {
+ while (cmd_pos > 0 && cmd_pos < buf_size - 2 - offset_size) {
date = AV_RB16(buf + cmd_pos);
next_cmd_pos = READ_OFFSET(buf + cmd_pos + 2);
- dprintf(NULL, "cmd_pos=0x%04x next=0x%04x date=%d\n",
+ av_dlog(NULL, "cmd_pos=0x%04x next=0x%04x date=%d\n",
cmd_pos, next_cmd_pos, date);
pos = cmd_pos + 2 + offset_size;
offset1 = -1;
x1 = y1 = x2 = y2 = 0;
while (pos < buf_size) {
cmd = buf[pos++];
- dprintf(NULL, "cmd=%02x\n", cmd);
+ av_dlog(NULL, "cmd=%02x\n", cmd);
switch(cmd) {
case 0x00:
/* menu subpicture */
alpha[1] = buf[pos + 1] >> 4;
alpha[0] = buf[pos + 1] & 0x0f;
pos += 2;
- dprintf(NULL, "alpha=%x%x%x%x\n", alpha[0],alpha[1],alpha[2],alpha[3]);
+ av_dlog(NULL, "alpha=%x%x%x%x\n", alpha[0],alpha[1],alpha[2],alpha[3]);
break;
case 0x05:
case 0x85:
y2 = ((buf[pos + 4] & 0x0f) << 8) | buf[pos + 5];
if (cmd & 0x80)
is_8bit = 1;
- dprintf(NULL, "x1=%d x2=%d y1=%d y2=%d\n", x1, x2, y1, y2);
+ av_dlog(NULL, "x1=%d x2=%d y1=%d y2=%d\n", x1, x2, y1, y2);
pos += 6;
break;
case 0x06:
goto fail;
offset1 = AV_RB16(buf + pos);
offset2 = AV_RB16(buf + pos + 2);
- dprintf(NULL, "offset1=0x%04x offset2=0x%04x\n", offset1, offset2);
+ av_dlog(NULL, "offset1=0x%04x offset2=0x%04x\n", offset1, offset2);
pos += 4;
break;
case 0x86:
goto fail;
offset1 = AV_RB32(buf + pos);
offset2 = AV_RB32(buf + pos + 4);
- dprintf(NULL, "offset1=0x%04x offset2=0x%04x\n", offset1, offset2);
+ av_dlog(NULL, "offset1=0x%04x offset2=0x%04x\n", offset1, offset2);
pos += 8;
break;
case 0xff:
goto the_end;
default:
- dprintf(NULL, "unrecognised subpicture command 0x%x\n", cmd);
+ av_dlog(NULL, "unrecognised subpicture command 0x%x\n", cmd);
goto the_end;
}
}
buf, offset1, buf_size, is_8bit);
decode_rle(bitmap + w, w * 2, w, h / 2,
buf, offset2, buf_size, is_8bit);
+ sub_header->rects[0]->pict.data[1] = av_mallocz(AVPALETTE_SIZE);
if (is_8bit) {
if (yuv_palette == 0)
goto fail;
- sub_header->rects[0]->pict.data[1] = av_malloc(256 * 4);
sub_header->rects[0]->nb_colors = 256;
yuv_a_to_rgba(yuv_palette, alpha, (uint32_t*)sub_header->rects[0]->pict.data[1], 256);
} else {
- sub_header->rects[0]->pict.data[1] = av_malloc(4 * 4);
sub_header->rects[0]->nb_colors = 4;
guess_palette((uint32_t*)sub_header->rects[0]->pict.data[1],
colormap, alpha, 0xffff00);
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
- AVSubtitle *sub = (void *)data;
+ AVSubtitle *sub = data;
int is_menu;
is_menu = decode_dvd_subtitles(sub, buf, buf_size);
goto no_subtitle;
#if defined(DEBUG)
- dprintf(NULL, "start=%d ms end =%d ms\n",
+ av_dlog(NULL, "start=%d ms end =%d ms\n",
sub->start_display_time,
sub->end_display_time);
ppm_save("/tmp/a.ppm", sub->rects[0]->pict.data[0],
return buf_size;
}
-AVCodec dvdsub_decoder = {
- "dvdsub",
- CODEC_TYPE_SUBTITLE,
- CODEC_ID_DVD_SUBTITLE,
- 0,
- NULL,
- NULL,
- NULL,
- dvdsub_decode,
+AVCodec ff_dvdsub_decoder = {
+ .name = "dvdsub",
+ .type = AVMEDIA_TYPE_SUBTITLE,
+ .id = CODEC_ID_DVD_SUBTITLE,
+ .decode = dvdsub_decode,
.long_name = NULL_IF_CONFIG_SMALL("DVD subtitles"),
};
projects / ffmpeg / blobdiff