Change AVSubtitle.rects to an array of pointers so ABI does not break

when the size of AVSubtitleRect changes.

Originally committed as revision 16412 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2009-01-03 17:54:48 +00:00
parent 7cf9c6ae40
commit db4fac64db
7 changed files with 68 additions and 62 deletions

View File

@@ -80,31 +80,32 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
// allocate sub and set values
if (!sub->rects) {
sub->rects = av_mallocz(sizeof(AVSubtitleRect));
sub->rects = av_mallocz(sizeof(*sub->rects));
sub->rects[0] = av_mallocz(sizeof(*sub->rects[0]));
sub->num_rects = 1;
}
av_freep(&sub->rects[0].bitmap);
sub->rects[0].x = x; sub->rects[0].y = y;
sub->rects[0].w = w; sub->rects[0].h = h;
sub->rects[0].linesize = w;
sub->rects[0].bitmap = av_malloc(w * h);
sub->rects[0].nb_colors = 4;
sub->rects[0].rgba_palette = av_malloc(sub->rects[0].nb_colors * 4);
av_freep(&sub->rects[0]->bitmap);
sub->rects[0]->x = x; sub->rects[0]->y = y;
sub->rects[0]->w = w; sub->rects[0]->h = h;
sub->rects[0]->linesize = w;
sub->rects[0]->bitmap = av_malloc(w * h);
sub->rects[0]->nb_colors = 4;
sub->rects[0]->rgba_palette = av_malloc(sub->rects[0]->nb_colors * 4);
// read palette
for (i = 0; i < sub->rects[0].nb_colors; i++)
sub->rects[0].rgba_palette[i] = bytestream_get_be24(&buf);
for (i = 0; i < sub->rects[0]->nb_colors; i++)
sub->rects[0]->rgba_palette[i] = bytestream_get_be24(&buf);
// make all except background (first entry) non-transparent
for (i = 1; i < sub->rects[0].nb_colors; i++)
sub->rects[0].rgba_palette[i] |= 0xff000000;
for (i = 1; i < sub->rects[0]->nb_colors; i++)
sub->rects[0]->rgba_palette[i] |= 0xff000000;
// process RLE-compressed data
rlelen = FFMIN(rlelen, buf_end - buf);
init_get_bits(&gb, buf, rlelen * 8);
bitmap = sub->rects[0].bitmap;
bitmap = sub->rects[0]->bitmap;
for (y = 0; y < h; y++) {
// interlaced: do odd lines
if (y == (h + 1) / 2) bitmap = sub->rects[0].bitmap + w;
if (y == (h + 1) / 2) bitmap = sub->rects[0]->bitmap + w;
for (x = 0; x < w; ) {
int log2 = ff_log2_tab[show_bits(&gb, 8)];
int run = get_bits(&gb, 14 - 4 * (log2 >> 1));