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Correctly clean up IntraX8Context upon codec close. 

patch by Zdenek Kabelac, zdenek d kabelac a gmail d com

Originally committed as revision 11608 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Zdenek Kabelac 2008-01-25 07:37:46 +00:00 committed by Andreas Öman
parent 0f44edaa1c
commit e2fdba650d
4 changed files with 20 additions and 1 deletions
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9
libavcodec/intrax8.c
View File

@ -676,6 +676,15 @@ void ff_intrax8_common_init(IntraX8Context * w, MpegEncContext * const s){
ff_init_scantable(s->dsp.idct_permutation, &w->scantable[2], wmv1_scantable[3]);
}
/**
* Destroy IntraX8 frame structure.
* @param w pointer to IntraX8Context
*/
void ff_intrax8_common_end(IntraX8Context * w)
{
av_freep(&w->prediction_table);
}
/**
* Decode single IntraX8 frame.
* The parent codec must fill s->loopfilter and s->gb (bitstream).

1
libavcodec/intrax8.h
View File

@ -51,6 +51,7 @@ typedef struct{
} IntraX8Context;
void ff_intrax8_common_init(IntraX8Context * w, MpegEncContext * const s);
void ff_intrax8_common_end(IntraX8Context * w);
int ff_intrax8_decode_picture(IntraX8Context * w, int quant, int halfpq);
#endif /* FFMPEG_INTRAX8_H */

1
libavcodec/vc1.c
View File

@ -4119,6 +4119,7 @@ static int vc1_decode_end(AVCodecContext *avctx)
av_freep(&v->acpred_plane);
av_freep(&v->over_flags_plane);
av_freep(&v->mb_type_base);
ff_intrax8_common_end(&v->x8);
return 0;
}

10
libavcodec/wmv2dec.c
View File

@ -474,6 +474,14 @@ static int wmv2_decode_init(AVCodecContext *avctx){
return 0;
}
static int wmv2_decode_end(AVCodecContext *avctx)
{
Wmv2Context *w = avctx->priv_data;
ff_intrax8_common_end(&w->x8);
return ff_h263_decode_end(avctx);
}
AVCodec wmv2_decoder = {
"wmv2",
CODEC_TYPE_VIDEO,
@ -481,7 +489,7 @@ AVCodec wmv2_decoder = {
sizeof(Wmv2Context),
wmv2_decode_init,
NULL,
ff_h263_decode_end,
wmv2_decode_end,
ff_h263_decode_frame,
CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
};