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c93: use the AVFrame API properly.

This commit is contained in:
Anton Khirnov 2013-11-09 10:14:46 +01:00
parent a83fd5010c
commit 670c74518f
1 changed files with 20 additions and 14 deletions
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34
libavcodec/c93.c
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@ -24,7 +24,7 @@
#include "internal.h"
typedef struct {
AVFrame pictures[2];
AVFrame *pictures[2];
int currentpic;
} C93DecoderContext;
@ -46,21 +46,27 @@ typedef enum {
#define C93_HAS_PALETTE 0x01
#define C93_FIRST_FRAME 0x02
static av_cold int decode_init(AVCodecContext *avctx)
{
C93DecoderContext *s = avctx->priv_data;
avctx->pix_fmt = AV_PIX_FMT_PAL8;
avcodec_get_frame_defaults(&s->pictures[0]);
avcodec_get_frame_defaults(&s->pictures[1]);
return 0;
}
static av_cold int decode_end(AVCodecContext *avctx)
{
C93DecoderContext * const c93 = avctx->priv_data;
av_frame_unref(&c93->pictures[0]);
av_frame_unref(&c93->pictures[1]);
av_frame_free(&c93->pictures[0]);
av_frame_free(&c93->pictures[1]);
return 0;
}
static av_cold int decode_init(AVCodecContext *avctx)
{
C93DecoderContext *s = avctx->priv_data;
avctx->pix_fmt = AV_PIX_FMT_PAL8;
s->pictures[0] = av_frame_alloc();
s->pictures[1] = av_frame_alloc();
if (!s->pictures[0] || !s->pictures[1]) {
decode_end(avctx);
return AVERROR(ENOMEM);
}
return 0;
}
@ -121,8 +127,8 @@ static int decode_frame(AVCodecContext *avctx, void *data,
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
C93DecoderContext * const c93 = avctx->priv_data;
AVFrame * const newpic = &c93->pictures[c93->currentpic];
AVFrame * const oldpic = &c93->pictures[c93->currentpic^1];
AVFrame * const newpic = c93->pictures[c93->currentpic];
AVFrame * const oldpic = c93->pictures[c93->currentpic^1];
GetByteContext gb;
uint8_t *out;
int stride, ret, i, x, y, b, bt = 0;