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bink: operate with pointers to AVFrames instead of whole structs.

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This is more correct and avoids breaking extended_data.
This commit is contained in:
Anton Khirnov 2012-11-14 08:23:11 +01:00
parent 86d4e75422
commit 6a97ea65b6
1 changed files with 30 additions and 26 deletions
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56
libavcodec/bink.c
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@ -112,7 +112,7 @@ typedef struct BinkContext {
AVCodecContext *avctx;
DSPContext dsp;
BinkDSPContext bdsp;
AVFrame pic, last;
AVFrame *pic, *last;
int version; ///< internal Bink file version
int has_alpha;
int swap_planes;
@ -806,13 +806,13 @@ static int binkb_decode_plane(BinkContext *c, GetBitContext *gb, int plane_idx,
int ybias = is_key ? -15 : 0;
int qp;
const int stride = c->pic.linesize[plane_idx];
const int stride = c->pic->linesize[plane_idx];
int bw = is_chroma ? (c->avctx->width + 15) >> 4 : (c->avctx->width + 7) >> 3;
int bh = is_chroma ? (c->avctx->height + 15) >> 4 : (c->avctx->height + 7) >> 3;
binkb_init_bundles(c);
ref_start = c->pic.data[plane_idx];
ref_end = c->pic.data[plane_idx] + (bh * c->pic.linesize[plane_idx] + bw) * 8;
ref_start = c->pic->data[plane_idx];
ref_end = c->pic->data[plane_idx] + (bh * c->pic->linesize[plane_idx] + bw) * 8;
for (i = 0; i < 64; i++)
coordmap[i] = (i & 7) + (i >> 3) * stride;
@ -823,7 +823,7 @@ static int binkb_decode_plane(BinkContext *c, GetBitContext *gb, int plane_idx,
return ret;
}
dst = c->pic.data[plane_idx] + 8*by*stride;
dst = c->pic->data[plane_idx] + 8*by*stride;
for (bx = 0; bx < bw; bx++, dst += 8) {
blk = binkb_get_value(c, BINKB_SRC_BLOCK_TYPES);
switch (blk) {
@ -951,7 +951,7 @@ static int bink_decode_plane(BinkContext *c, GetBitContext *gb, int plane_idx,
LOCAL_ALIGNED_16(int32_t, dctblock, [64]);
int coordmap[64];
const int stride = c->pic.linesize[plane_idx];
const int stride = c->pic->linesize[plane_idx];
int bw = is_chroma ? (c->avctx->width + 15) >> 4 : (c->avctx->width + 7) >> 3;
int bh = is_chroma ? (c->avctx->height + 15) >> 4 : (c->avctx->height + 7) >> 3;
int width = c->avctx->width >> is_chroma;
@ -960,10 +960,10 @@ static int bink_decode_plane(BinkContext *c, GetBitContext *gb, int plane_idx,
for (i = 0; i < BINK_NB_SRC; i++)
read_bundle(gb, c, i);
ref_start = c->last.data[plane_idx] ? c->last.data[plane_idx]
: c->pic.data[plane_idx];
ref_start = c->last->data[plane_idx] ? c->last->data[plane_idx]
: c->pic->data[plane_idx];
ref_end = ref_start
+ (bw - 1 + c->last.linesize[plane_idx] * (bh - 1)) * 8;
+ (bw - 1 + c->last->linesize[plane_idx] * (bh - 1)) * 8;
for (i = 0; i < 64; i++)
coordmap[i] = (i & 7) + (i >> 3) * stride;
@ -990,9 +990,9 @@ static int bink_decode_plane(BinkContext *c, GetBitContext *gb, int plane_idx,
if (by == bh)
break;
dst = c->pic.data[plane_idx] + 8*by*stride;
prev = (c->last.data[plane_idx] ? c->last.data[plane_idx]
: c->pic.data[plane_idx]) + 8*by*stride;
dst = c->pic->data[plane_idx] + 8*by*stride;
prev = (c->last->data[plane_idx] ? c->last->data[plane_idx]
: c->pic->data[plane_idx]) + 8*by*stride;
for (bx = 0; bx < bw; bx++, dst += 8, prev += 8) {
blk = get_value(c, BINK_SRC_BLOCK_TYPES);
// 16x16 block type on odd line means part of the already decoded block, so skip it
@ -1169,15 +1169,15 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
int bits_count = pkt->size << 3;
if (c->version > 'b') {
if(c->pic.data[0])
avctx->release_buffer(avctx, &c->pic);
if(c->pic->data[0])
avctx->release_buffer(avctx, c->pic);
if ((ret = ff_get_buffer(avctx, &c->pic)) < 0) {
if ((ret = ff_get_buffer(avctx, c->pic)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
} else {
if ((ret = avctx->reget_buffer(avctx, &c->pic)) < 0) {
if ((ret = avctx->reget_buffer(avctx, c->pic)) < 0) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
return ret;
}
@ -1209,10 +1209,10 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
emms_c();
*got_frame = 1;
*(AVFrame*)data = c->pic;
*(AVFrame*)data = *c->pic;
if (c->version > 'b')
FFSWAP(AVFrame, c->pic, c->last);
FFSWAP(AVFrame*, c->pic, c->last);
/* always report that the buffer was completely consumed */
return pkt->size;
@ -1291,10 +1291,12 @@ static av_cold int decode_init(AVCodecContext *avctx)
}
c->avctx = avctx;
c->pic.data[0] = NULL;
if (av_image_check_size(avctx->width, avctx->height, 0, avctx) < 0) {
return 1;
c->pic = avcodec_alloc_frame();
c->last = avcodec_alloc_frame();
if (!c->pic || !c->last) {
avcodec_free_frame(&c->pic);
avcodec_free_frame(&c->last);
return AVERROR(ENOMEM);
}
if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0)
@ -1322,10 +1324,12 @@ static av_cold int decode_end(AVCodecContext *avctx)
{
BinkContext * const c = avctx->priv_data;
if (c->pic.data[0])
avctx->release_buffer(avctx, &c->pic);
if (c->last.data[0])
avctx->release_buffer(avctx, &c->last);
if (c->pic->data[0])
avctx->release_buffer(avctx, c->pic);
if (c->last->data[0])
avctx->release_buffer(avctx, c->last);
avcodec_free_frame(&c->pic);
avcodec_free_frame(&c->last);
free_bundles(c);
return 0;