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Code Issues Releases Activity

mjpegdec: use the AVFrame API properly.

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This commit is contained in:
Anton Khirnov 2013-11-09 10:14:46 +01:00
parent f0b234ab9e
commit e2274aa555
2 changed files with 11 additions and 4 deletions
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13
libavcodec/mjpegdec.c
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@ -84,8 +84,12 @@ av_cold int ff_mjpeg_decode_init(AVCodecContext *avctx)
{
MJpegDecodeContext *s = avctx->priv_data;
if (!s->picture_ptr)
s->picture_ptr = &s->picture;
if (!s->picture_ptr) {
s->picture = av_frame_alloc();
if (!s->picture)
return AVERROR(ENOMEM);
s->picture_ptr = s->picture;
}
s->avctx = avctx;
ff_hpeldsp_init(&s->hdsp, avctx->flags);
@ -1651,7 +1655,10 @@ av_cold int ff_mjpeg_decode_end(AVCodecContext *avctx)
MJpegDecodeContext *s = avctx->priv_data;
int i, j;
if (s->picture_ptr)
if (s->picture) {
av_frame_free(&s->picture);
s->picture_ptr = NULL;
} else if (s->picture_ptr)
av_frame_unref(s->picture_ptr);
av_free(s->buffer);

2
libavcodec/mjpegdec.h
View File

@ -84,7 +84,7 @@ typedef struct MJpegDecodeContext {
int h_max, v_max; /* maximum h and v counts */
int quant_index[4]; /* quant table index for each component */
int last_dc[MAX_COMPONENTS]; /* last DEQUANTIZED dc (XXX: am I right to do that ?) */
AVFrame picture; /* picture structure */
AVFrame *picture; /* picture structure */
AVFrame *picture_ptr; /* pointer to picture structure */
int got_picture; ///< we found a SOF and picture is valid, too.
int linesize[MAX_COMPONENTS]; ///< linesize << interlaced