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dvbsubdec: Split delete_state()

This commit is contained in:
JULIAN GARDNER 2011-05-04 20:44:14 +02:00 committed by Michael Niedermayer
parent 9522a752bf
commit e822c237b3
1 changed files with 38 additions and 18 deletions
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56
libavcodec/dvbsubdec.c
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@ -321,21 +321,10 @@ static void delete_region_display_list(DVBSubContext *ctx, DVBSubRegion *region)
}
static void delete_state(DVBSubContext *ctx)
static void delete_cluts(DVBSubContext *ctx)
{
DVBSubRegion *region;
DVBSubCLUT *clut;
while (ctx->region_list) {
region = ctx->region_list;
ctx->region_list = region->next;
delete_region_display_list(ctx, region);
av_free(region->pbuf);
av_free(region);
}
while (ctx->clut_list) {
clut = ctx->clut_list;
@ -343,12 +332,35 @@ static void delete_state(DVBSubContext *ctx)
av_free(clut);
}
}
av_freep(&ctx->display_definition);
static void delete_objects(DVBSubContext *ctx)
{
DVBSubObject *object;
/* Should already be null */
if (ctx->object_list)
av_log(0, AV_LOG_ERROR, "Memory deallocation error!\n");
while (ctx->object_list) {
object = ctx->object_list;
ctx->object_list = object->next;
av_free(object);
}
}
static void delete_regions(DVBSubContext *ctx)
{
DVBSubRegion *region;
while (ctx->region_list) {
region = ctx->region_list;
ctx->region_list = region->next;
delete_region_display_list(ctx, region);
av_free(region->pbuf);
av_free(region);
}
}
static av_cold int dvbsub_init_decoder(AVCodecContext *avctx)
@ -433,7 +445,13 @@ static av_cold int dvbsub_close_decoder(AVCodecContext *avctx)
DVBSubContext *ctx = avctx->priv_data;
DVBSubRegionDisplay *display;
delete_state(ctx);
delete_regions(ctx);
delete_objects(ctx);
delete_cluts(ctx);
av_freep(&ctx->display_definition);
while (ctx->display_list) {
display = ctx->display_list;
@ -1125,7 +1143,9 @@ static void dvbsub_parse_page_segment(AVCodecContext *avctx,
av_dlog(avctx, "Page time out %ds, state %d\n", ctx->time_out, page_state);
if (page_state == 2) {
delete_state(ctx);
delete_regions(ctx);
delete_objects(ctx);
delete_cluts(ctx);
}
tmp_display_list = ctx->display_list;