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authorMichael Niedermayer <michaelni@gmx.at>2014-09-02 23:57:46 +0400
committerMichael Niedermayer <michaelni@gmx.at>2014-09-02 23:57:46 +0400
commit4c731233338d2bc6d9646808b7599224450932c6 (patch)
tree7c8ba788012e320ba274db88e8fa4b099d7ccdb3 /libavcodec/asvdec.c
parent50c6bffb67d140bcf4b28d0b4495648b9f6b07f9 (diff)
parentf61e47dd68582529bcf6d42d861c70a320cd1b67 (diff)
Merge commit 'f61e47dd68582529bcf6d42d861c70a320cd1b67'
* commit 'f61e47dd68582529bcf6d42d861c70a320cd1b67': asv: K&R formatting cosmetics Conflicts: libavcodec/asvdec.c libavcodec/asvenc.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/asvdec.c')
-rw-r--r--libavcodec/asvdec.c55
1 files changed, 27 insertions, 28 deletions
diff --git a/libavcodec/asvdec.c b/libavcodec/asvdec.c
index 23298757b7..18e2faacd3 100644
--- a/libavcodec/asvdec.c
+++ b/libavcodec/asvdec.c
@@ -34,7 +34,7 @@
#include "mathops.h"
#include "mpeg12data.h"
-#define VLC_BITS 6
+#define VLC_BITS 6
#define ASV2_LEVEL_VLC_BITS 10
static VLC ccp_vlc;
@@ -68,10 +68,10 @@ static av_cold void init_vlcs(ASV1Context *a)
}
}
-//FIXME write a reversed bitstream reader to avoid the double reverse
+// FIXME write a reversed bitstream reader to avoid the double reverse
static inline int asv2_get_bits(GetBitContext *gb, int n)
{
- return ff_reverse[get_bits(gb, n) << (8-n)];
+ return ff_reverse[get_bits(gb, n) << (8 - n)];
}
static inline int asv1_get_level(GetBitContext *gb)
@@ -89,7 +89,7 @@ static inline int asv2_get_level(GetBitContext *gb)
int code = get_vlc2(gb, asv2_level_vlc.table, ASV2_LEVEL_VLC_BITS, 1);
if (code == 31)
- return (int8_t)asv2_get_bits(gb, 8);
+ return (int8_t) asv2_get_bits(gb, 8);
else
return code - 31;
}
@@ -148,13 +148,13 @@ static inline int asv2_decode_block(ASV1Context *a, int16_t block[64])
if (ccp) {
if (ccp & 8)
- block[a->scantable.permutated[4*i + 0]] = (asv2_get_level(&a->gb) * a->intra_matrix[4*i + 0]) >> 4;
+ block[a->scantable.permutated[4 * i + 0]] = (asv2_get_level(&a->gb) * a->intra_matrix[4 * i + 0]) >> 4;
if (ccp & 4)
- block[a->scantable.permutated[4*i + 1]] = (asv2_get_level(&a->gb) * a->intra_matrix[4*i + 1]) >> 4;
+ block[a->scantable.permutated[4 * i + 1]] = (asv2_get_level(&a->gb) * a->intra_matrix[4 * i + 1]) >> 4;
if (ccp & 2)
- block[a->scantable.permutated[4*i + 2]] = (asv2_get_level(&a->gb) * a->intra_matrix[4*i + 2]) >> 4;
+ block[a->scantable.permutated[4 * i + 2]] = (asv2_get_level(&a->gb) * a->intra_matrix[4 * i + 2]) >> 4;
if (ccp & 1)
- block[a->scantable.permutated[4*i + 3]] = (asv2_get_level(&a->gb) * a->intra_matrix[4*i + 3]) >> 4;
+ block[a->scantable.permutated[4 * i + 3]] = (asv2_get_level(&a->gb) * a->intra_matrix[4 * i + 3]) >> 4;
}
}
@@ -183,32 +183,31 @@ static inline int decode_mb(ASV1Context *a, int16_t block[6][64])
static inline void idct_put(ASV1Context *a, AVFrame *frame, int mb_x, int mb_y)
{
- int16_t (*block)[64] = a->block;
- int linesize = frame->linesize[0];
+ int16_t(*block)[64] = a->block;
+ int linesize = frame->linesize[0];
- uint8_t *dest_y = frame->data[0] + (mb_y * 16* linesize ) + mb_x * 16;
- uint8_t *dest_cb = frame->data[1] + (mb_y * 8 * frame->linesize[1]) + mb_x * 8;
- uint8_t *dest_cr = frame->data[2] + (mb_y * 8 * frame->linesize[2]) + mb_x * 8;
+ uint8_t *dest_y = frame->data[0] + (mb_y * 16 * linesize) + mb_x * 16;
+ uint8_t *dest_cb = frame->data[1] + (mb_y * 8 * frame->linesize[1]) + mb_x * 8;
+ uint8_t *dest_cr = frame->data[2] + (mb_y * 8 * frame->linesize[2]) + mb_x * 8;
a->idsp.idct_put(dest_y, linesize, block[0]);
a->idsp.idct_put(dest_y + 8, linesize, block[1]);
a->idsp.idct_put(dest_y + 8 * linesize, linesize, block[2]);
a->idsp.idct_put(dest_y + 8 * linesize + 8, linesize, block[3]);
- if (!(a->avctx->flags&CODEC_FLAG_GRAY)) {
+ if (!(a->avctx->flags & CODEC_FLAG_GRAY)) {
a->idsp.idct_put(dest_cb, frame->linesize[1], block[4]);
a->idsp.idct_put(dest_cr, frame->linesize[2], block[5]);
}
}
-static int decode_frame(AVCodecContext *avctx,
- void *data, int *got_frame,
+static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
AVPacket *avpkt)
{
- ASV1Context * const a = avctx->priv_data;
- const uint8_t *buf = avpkt->data;
- int buf_size = avpkt->size;
- AVFrame * const p = data;
+ ASV1Context *const a = avctx->priv_data;
+ const uint8_t *buf = avpkt->data;
+ int buf_size = avpkt->size;
+ AVFrame *const p = data;
int mb_x, mb_y, ret;
if ((ret = ff_get_buffer(avctx, p, 0)) < 0)
@@ -221,16 +220,16 @@ static int decode_frame(AVCodecContext *avctx,
if (!a->bitstream_buffer)
return AVERROR(ENOMEM);
- if (avctx->codec_id == AV_CODEC_ID_ASV1)
+ if (avctx->codec_id == AV_CODEC_ID_ASV1) {
a->bbdsp.bswap_buf((uint32_t *) a->bitstream_buffer,
(const uint32_t *) buf, buf_size / 4);
- else {
+ } else {
int i;
for (i = 0; i < buf_size; i++)
a->bitstream_buffer[i] = ff_reverse[buf[i]];
}
- init_get_bits(&a->gb, a->bitstream_buffer, buf_size*8);
+ init_get_bits(&a->gb, a->bitstream_buffer, buf_size * 8);
for (mb_y = 0; mb_y < a->mb_height2; mb_y++) {
for (mb_x = 0; mb_x < a->mb_width2; mb_x++) {
@@ -270,8 +269,8 @@ static int decode_frame(AVCodecContext *avctx,
static av_cold int decode_init(AVCodecContext *avctx)
{
- ASV1Context * const a = avctx->priv_data;
- const int scale = avctx->codec_id == AV_CODEC_ID_ASV1 ? 1 : 2;
+ ASV1Context *const a = avctx->priv_data;
+ const int scale = avctx->codec_id == AV_CODEC_ID_ASV1 ? 1 : 2;
int i;
if (avctx->extradata_size < 1) {
@@ -296,7 +295,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
for (i = 0; i < 64; i++) {
int index = ff_asv_scantab[i];
- a->intra_matrix[i] = 64 * scale * ff_mpeg1_default_intra_matrix[index] / a->inv_qscale;
+ a->intra_matrix[i] = 64 * scale * ff_mpeg1_default_intra_matrix[index] /
+ a->inv_qscale;
}
return 0;
@@ -304,7 +304,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
static av_cold int decode_end(AVCodecContext *avctx)
{
- ASV1Context * const a = avctx->priv_data;
+ ASV1Context *const a = avctx->priv_data;
av_freep(&a->bitstream_buffer);
a->bitstream_buffer_size = 0;
@@ -339,4 +339,3 @@ AVCodec ff_asv2_decoder = {
.capabilities = CODEC_CAP_DR1,
};
#endif
-