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eatgv: 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 b18c7c8d3d
commit 97168b204a
1 changed files with 13 additions and 8 deletions
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21
libavcodec/eatgv.c
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@ -40,7 +40,7 @@
typedef struct TgvContext {
AVCodecContext *avctx;
AVFrame last_frame;
AVFrame *last_frame;
uint8_t *frame_buffer;
int width,height;
uint32_t palette[AVPALETTE_COUNT];
@ -57,6 +57,11 @@ static av_cold int tgv_decode_init(AVCodecContext *avctx)
s->avctx = avctx;
avctx->time_base = (AVRational){1, 15};
avctx->pix_fmt = AV_PIX_FMT_PAL8;
s->last_frame = av_frame_alloc();
if (!s->last_frame)
return AVERROR(ENOMEM);
return 0;
}
@ -223,8 +228,8 @@ static int tgv_decode_inter(TgvContext *s, AVFrame *frame,
my < 0 || my + 4 > s->avctx->height)
continue;
src = s->last_frame.data[0] + mx + my * s->last_frame.linesize[0];
src_stride = s->last_frame.linesize[0];
src = s->last_frame->data[0] + mx + my * s->last_frame->linesize[0];
src_stride = s->last_frame->linesize[0];
} else {
int offset = vector - num_mvs;
if (offset < num_blocks_raw)
@ -270,7 +275,7 @@ static int tgv_decode_frame(AVCodecContext *avctx,
s->height = AV_RL16(&buf[2]);
if (s->avctx->width != s->width || s->avctx->height != s->height) {
av_freep(&s->frame_buffer);
av_frame_unref(&s->last_frame);
av_frame_unref(s->last_frame);
if ((ret = ff_set_dimensions(s->avctx, s->width, s->height)) < 0)
return ret;
}
@ -306,7 +311,7 @@ static int tgv_decode_frame(AVCodecContext *avctx,
s->frame_buffer + y * s->width,
s->width);
} else {
if (!s->last_frame.data[0]) {
if (!s->last_frame->data[0]) {
av_log(avctx, AV_LOG_WARNING, "inter frame without corresponding intra frame\n");
return buf_size;
}
@ -318,8 +323,8 @@ static int tgv_decode_frame(AVCodecContext *avctx,
}
}
av_frame_unref(&s->last_frame);
if ((ret = av_frame_ref(&s->last_frame, frame)) < 0)
av_frame_unref(s->last_frame);
if ((ret = av_frame_ref(s->last_frame, frame)) < 0)
return ret;
*got_frame = 1;
@ -330,7 +335,7 @@ static int tgv_decode_frame(AVCodecContext *avctx,
static av_cold int tgv_decode_end(AVCodecContext *avctx)
{
TgvContext *s = avctx->priv_data;
av_frame_unref(&s->last_frame);
av_frame_free(&s->last_frame);
av_freep(&s->frame_buffer);
av_free(s->mv_codebook);
av_free(s->block_codebook);