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escape124: use the AVFrame API properly.

This commit is contained in:
Anton Khirnov 2013-11-09 10:14:46 +01:00
parent 224b6edd8b
commit a639ea7f4b
1 changed files with 12 additions and 8 deletions
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20
libavcodec/escape124.c
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@ -42,7 +42,7 @@ typedef struct CodeBook {
} CodeBook;
typedef struct Escape124Context {
AVFrame frame;
AVFrame *frame;
unsigned num_superblocks;
@ -67,6 +67,10 @@ static av_cold int escape124_decode_init(AVCodecContext *avctx)
s->num_superblocks = ((unsigned)avctx->width / 8) *
((unsigned)avctx->height / 8);
s->frame = av_frame_alloc();
if (!s->frame)
return AVERROR(ENOMEM);
return 0;
}
@ -78,7 +82,7 @@ static av_cold int escape124_decode_close(AVCodecContext *avctx)
for (i = 0; i < 3; i++)
av_free(s->codebooks[i].blocks);
av_frame_unref(&s->frame);
av_frame_free(&s->frame);
return 0;
}
@ -229,13 +233,13 @@ static int escape124_decode_frame(AVCodecContext *avctx,
// Leave last frame unchanged
// FIXME: Is this necessary? I haven't seen it in any real samples
if (!(frame_flags & 0x114) || !(frame_flags & 0x7800000)) {
if (!s->frame.data[0])
if (!s->frame->data[0])
return AVERROR_INVALIDDATA;
av_log(NULL, AV_LOG_DEBUG, "Skipping frame\n");
*got_frame = 1;
if ((ret = av_frame_ref(frame, &s->frame)) < 0)
if ((ret = av_frame_ref(frame, s->frame)) < 0)
return ret;
return frame_size;
@ -276,8 +280,8 @@ static int escape124_decode_frame(AVCodecContext *avctx,
new_frame_data = (uint16_t*)frame->data[0];
new_stride = frame->linesize[0] / 2;
old_frame_data = (uint16_t*)s->frame.data[0];
old_stride = s->frame.linesize[0] / 2;
old_frame_data = (uint16_t*)s->frame->data[0];
old_stride = s->frame->linesize[0] / 2;
for (superblock_index = 0; superblock_index < s->num_superblocks;
superblock_index++) {
@ -356,8 +360,8 @@ static int escape124_decode_frame(AVCodecContext *avctx,
"Escape sizes: %i, %i, %i\n",
frame_size, buf_size, get_bits_count(&gb) / 8);
av_frame_unref(&s->frame);
if ((ret = av_frame_ref(&s->frame, frame)) < 0)
av_frame_unref(s->frame);
if ((ret = av_frame_ref(s->frame, frame)) < 0)
return ret;
*got_frame = 1;