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cin video: use the AVFrame API properly.

This commit is contained in:
Anton Khirnov 2013-11-09 10:14:46 +01:00
parent ef2a99c7f4
commit 01de3c1dd5
1 changed files with 10 additions and 8 deletions
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18
libavcodec/dsicinav.c
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@ -39,7 +39,7 @@ typedef enum CinVideoBitmapIndex {
typedef struct CinVideoContext {
AVCodecContext *avctx;
AVFrame frame;
AVFrame *frame;
unsigned int bitmap_size;
uint32_t palette[256];
uint8_t *bitmap_table[3];
@ -96,7 +96,9 @@ static av_cold int cinvideo_decode_init(AVCodecContext *avctx)
cin->avctx = avctx;
avctx->pix_fmt = AV_PIX_FMT_PAL8;
avcodec_get_frame_defaults(&cin->frame);
cin->frame = av_frame_alloc();
if (!cin->frame)
return AVERROR(ENOMEM);
cin->bitmap_size = avctx->width * avctx->height;
for (i = 0; i < 3; ++i) {
@ -295,23 +297,23 @@ static int cinvideo_decode_frame(AVCodecContext *avctx,
break;
}
if ((res = ff_reget_buffer(avctx, &cin->frame)) < 0) {
if ((res = ff_reget_buffer(avctx, cin->frame)) < 0) {
av_log(cin->avctx, AV_LOG_ERROR,
"delphinecinvideo: reget_buffer() failed to allocate a frame\n");
return res;
}
memcpy(cin->frame.data[1], cin->palette, sizeof(cin->palette));
cin->frame.palette_has_changed = 1;
memcpy(cin->frame->data[1], cin->palette, sizeof(cin->palette));
cin->frame->palette_has_changed = 1;
for (y = 0; y < cin->avctx->height; ++y)
memcpy(cin->frame.data[0] + (cin->avctx->height - 1 - y) * cin->frame.linesize[0],
memcpy(cin->frame->data[0] + (cin->avctx->height - 1 - y) * cin->frame->linesize[0],
cin->bitmap_table[CIN_CUR_BMP] + y * cin->avctx->width,
cin->avctx->width);
FFSWAP(uint8_t *, cin->bitmap_table[CIN_CUR_BMP],
cin->bitmap_table[CIN_PRE_BMP]);
if ((res = av_frame_ref(data, &cin->frame)) < 0)
if ((res = av_frame_ref(data, cin->frame)) < 0)
return res;
*got_frame = 1;
@ -324,7 +326,7 @@ static av_cold int cinvideo_decode_end(AVCodecContext *avctx)
CinVideoContext *cin = avctx->priv_data;
int i;
av_frame_unref(&cin->frame);
av_frame_free(&cin->frame);
for (i = 0; i < 3; ++i)
av_free(cin->bitmap_table[i]);