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indeo: track tile macroblock size

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This commit is contained in:
Kostya Shishkov 2012-05-19 13:08:51 +02:00
parent fe7a37c36f
commit a6e4ac40a6
2 changed files with 7 additions and 0 deletions
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6
libavcodec/ivi_common.c
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@ -287,6 +287,7 @@ av_cold int ff_ivi_init_tiles(IVIPlaneDesc *planes, int tile_width, int tile_hei
for (x = 0; x < band->width; x += t_width) {
tile->xpos = x;
tile->ypos = y;
tile->mb_size = band->mb_size;
tile->width = FFMIN(band->width - x, t_width);
tile->height = FFMIN(band->height - y, t_height);
tile->is_empty = tile->data_size = 0;
@ -670,6 +671,11 @@ static int decode_band(IVI45DecContext *ctx, int plane_num,
for (t = 0; t < band->num_tiles; t++) {
tile = &band->tiles[t];
if (tile->mb_size != band->mb_size) {
av_log(avctx, AV_LOG_ERROR, "MB sizes mismatch: %d vs. %d\n",
band->mb_size, tile->mb_size);
return AVERROR_INVALIDDATA;
}
tile->is_empty = get_bits1(&ctx->gb);
if (tile->is_empty) {
ff_ivi_process_empty_tile(avctx, band, tile,

1
libavcodec/ivi_common.h
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@ -118,6 +118,7 @@ typedef struct {
int ypos;
int width;
int height;
int mb_size;
int is_empty; ///< = 1 if this tile doesn't contain any data
int data_size; ///< size of the data in bytes
int num_MBs; ///< number of macroblocks in this tile