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-rw-r--r--libavcodec/asv1.c90
1 files changed, 45 insertions, 45 deletions
diff --git a/libavcodec/asv1.c b/libavcodec/asv1.c
index e07880e4f6..85ca8e9d5c 100644
--- a/libavcodec/asv1.c
+++ b/libavcodec/asv1.c
@@ -16,12 +16,12 @@
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-
+
/**
* @file asv1.c
* ASUS V1/V2 codec.
*/
-
+
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
@@ -31,7 +31,7 @@
#define VLC_BITS 6
#define ASV2_LEVEL_VLC_BITS 10
-
+
typedef struct ASV1Context{
AVCodecContext *avctx;
DSPContext dsp;
@@ -66,7 +66,7 @@ static const uint8_t scantab[64]={
static const uint8_t ccp_tab[17][2]={
{0x2,2}, {0x7,5}, {0xB,5}, {0x3,5},
{0xD,5}, {0x5,5}, {0x9,5}, {0x1,5},
- {0xE,5}, {0x6,5}, {0xA,5}, {0x2,5},
+ {0xE,5}, {0x6,5}, {0xA,5}, {0x2,5},
{0xC,5}, {0x4,5}, {0x8,5}, {0x3,2},
{0xF,5}, //EOB
};
@@ -116,19 +116,19 @@ static void init_vlcs(ASV1Context *a){
if (!done) {
done = 1;
- init_vlc(&ccp_vlc, VLC_BITS, 17,
+ init_vlc(&ccp_vlc, VLC_BITS, 17,
&ccp_tab[0][1], 2, 1,
&ccp_tab[0][0], 2, 1, 1);
- init_vlc(&dc_ccp_vlc, VLC_BITS, 8,
+ init_vlc(&dc_ccp_vlc, VLC_BITS, 8,
&dc_ccp_tab[0][1], 2, 1,
&dc_ccp_tab[0][0], 2, 1, 1);
- init_vlc(&ac_ccp_vlc, VLC_BITS, 16,
+ init_vlc(&ac_ccp_vlc, VLC_BITS, 16,
&ac_ccp_tab[0][1], 2, 1,
&ac_ccp_tab[0][0], 2, 1, 1);
- init_vlc(&level_vlc, VLC_BITS, 7,
+ init_vlc(&level_vlc, VLC_BITS, 7,
&level_tab[0][1], 2, 1,
&level_tab[0][0], 2, 1, 1);
- init_vlc(&asv2_level_vlc, ASV2_LEVEL_VLC_BITS, 63,
+ init_vlc(&asv2_level_vlc, ASV2_LEVEL_VLC_BITS, 63,
&asv2_level_tab[0][1], 2, 1,
&asv2_level_tab[0][0], 2, 1, 1);
}
@@ -181,7 +181,7 @@ static inline int asv1_decode_block(ASV1Context *a, DCTELEM block[64]){
int i;
block[0]= 8*get_bits(&a->gb, 8);
-
+
for(i=0; i<11; i++){
const int ccp= get_vlc2(&a->gb, ccp_vlc.table, VLC_BITS, 1);
@@ -206,9 +206,9 @@ static inline int asv2_decode_block(ASV1Context *a, DCTELEM block[64]){
int i, count, ccp;
count= asv2_get_bits(&a->gb, 4);
-
+
block[0]= 8*asv2_get_bits(&a->gb, 8);
-
+
ccp= get_vlc2(&a->gb, dc_ccp_vlc.table, VLC_BITS, 1);
if(ccp){
if(ccp&4) block[a->scantable.permutated[1]]= (asv2_get_level(&a->gb) * a->intra_matrix[1])>>4;
@@ -226,17 +226,17 @@ static inline int asv2_decode_block(ASV1Context *a, DCTELEM block[64]){
if(ccp&1) block[a->scantable.permutated[4*i+3]]= (asv2_get_level(&a->gb) * a->intra_matrix[4*i+3])>>4;
}
}
-
+
return 0;
}
static inline void asv1_encode_block(ASV1Context *a, DCTELEM block[64]){
int i;
int nc_count=0;
-
+
put_bits(&a->pb, 8, (block[0] + 32)>>6);
block[0]= 0;
-
+
for(i=0; i<10; i++){
const int index= scantab[4*i];
int ccp=0;
@@ -247,11 +247,11 @@ static inline void asv1_encode_block(ASV1Context *a, DCTELEM block[64]){
if( (block[index + 9] = (block[index + 9]*a->q_intra_matrix[index + 9] + (1<<15))>>16) ) ccp |= 1;
if(ccp){
- for(;nc_count; nc_count--)
+ for(;nc_count; nc_count--)
put_bits(&a->pb, ccp_tab[0][1], ccp_tab[0][0]);
put_bits(&a->pb, ccp_tab[ccp][1], ccp_tab[ccp][0]);
-
+
if(ccp&8) asv1_put_level(&a->pb, block[index + 0]);
if(ccp&4) asv1_put_level(&a->pb, block[index + 8]);
if(ccp&2) asv1_put_level(&a->pb, block[index + 1]);
@@ -266,20 +266,20 @@ static inline void asv1_encode_block(ASV1Context *a, DCTELEM block[64]){
static inline void asv2_encode_block(ASV1Context *a, DCTELEM block[64]){
int i;
int count=0;
-
+
for(count=63; count>3; count--){
const int index= scantab[count];
- if( (block[index]*a->q_intra_matrix[index] + (1<<15))>>16 )
+ if( (block[index]*a->q_intra_matrix[index] + (1<<15))>>16 )
break;
}
-
+
count >>= 2;
asv2_put_bits(&a->pb, 4, count);
asv2_put_bits(&a->pb, 8, (block[0] + 32)>>6);
block[0]= 0;
-
+
for(i=0; i<=count; i++){
const int index= scantab[4*i];
int ccp=0;
@@ -305,15 +305,15 @@ static inline int decode_mb(ASV1Context *a, DCTELEM block[6][64]){
int i;
a->dsp.clear_blocks(block[0]);
-
+
if(a->avctx->codec_id == CODEC_ID_ASV1){
for(i=0; i<6; i++){
- if( asv1_decode_block(a, block[i]) < 0)
+ if( asv1_decode_block(a, block[i]) < 0)
return -1;
}
}else{
for(i=0; i<6; i++){
- if( asv2_decode_block(a, block[i]) < 0)
+ if( asv2_decode_block(a, block[i]) < 0)
return -1;
}
}
@@ -322,7 +322,7 @@ static inline int decode_mb(ASV1Context *a, DCTELEM block[6][64]){
static inline int encode_mb(ASV1Context *a, DCTELEM block[6][64]){
int i;
-
+
if(a->pb.buf_end - a->pb.buf - (put_bits_count(&a->pb)>>3) < 30*16*16*3/2/8){
av_log(a->avctx, AV_LOG_ERROR, "encoded frame too large\n");
return -1;
@@ -341,7 +341,7 @@ static inline int encode_mb(ASV1Context *a, DCTELEM block[6][64]){
static inline void idct_put(ASV1Context *a, int mb_x, int mb_y){
DCTELEM (*block)[64]= a->block;
int linesize= a->picture.linesize[0];
-
+
uint8_t *dest_y = a->picture.data[0] + (mb_y * 16* linesize ) + mb_x * 16;
uint8_t *dest_cb = a->picture.data[1] + (mb_y * 8 * a->picture.linesize[1]) + mb_x * 8;
uint8_t *dest_cr = a->picture.data[2] + (mb_y * 8 * a->picture.linesize[2]) + mb_x * 8;
@@ -361,7 +361,7 @@ static inline void dct_get(ASV1Context *a, int mb_x, int mb_y){
DCTELEM (*block)[64]= a->block;
int linesize= a->picture.linesize[0];
int i;
-
+
uint8_t *ptr_y = a->picture.data[0] + (mb_y * 16* linesize ) + mb_x * 16;
uint8_t *ptr_cb = a->picture.data[1] + (mb_y * 8 * a->picture.linesize[1]) + mb_x * 8;
uint8_t *ptr_cr = a->picture.data[2] + (mb_y * 8 * a->picture.linesize[2]) + mb_x * 8;
@@ -372,7 +372,7 @@ static inline void dct_get(ASV1Context *a, int mb_x, int mb_y){
a->dsp.get_pixels(block[3], ptr_y + 8*linesize + 8, linesize);
for(i=0; i<4; i++)
a->dsp.fdct(block[i]);
-
+
if(!(a->avctx->flags&CODEC_FLAG_GRAY)){
a->dsp.get_pixels(block[4], ptr_cb, a->picture.linesize[1]);
a->dsp.get_pixels(block[5], ptr_cr, a->picture.linesize[2]);
@@ -381,7 +381,7 @@ static inline void dct_get(ASV1Context *a, int mb_x, int mb_y){
}
}
-static int decode_frame(AVCodecContext *avctx,
+static int decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
uint8_t *buf, int buf_size)
{
@@ -402,7 +402,7 @@ static int decode_frame(AVCodecContext *avctx,
p->key_frame= 1;
a->bitstream_buffer= av_fast_realloc(a->bitstream_buffer, &a->bitstream_buffer_size, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
-
+
if(avctx->codec_id == CODEC_ID_ASV1)
a->dsp.bswap_buf((uint32_t*)a->bitstream_buffer, (uint32_t*)buf, buf_size/4);
else{
@@ -417,7 +417,7 @@ static int decode_frame(AVCodecContext *avctx,
for(mb_x=0; mb_x<a->mb_width2; mb_x++){
if( decode_mb(a, a->block) <0)
return -1;
-
+
idct_put(a, mb_x, mb_y);
}
}
@@ -427,7 +427,7 @@ static int decode_frame(AVCodecContext *avctx,
for(mb_y=0; mb_y<a->mb_height2; mb_y++){
if( decode_mb(a, a->block) <0)
return -1;
-
+
idct_put(a, mb_x, mb_y);
}
}
@@ -437,11 +437,11 @@ static int decode_frame(AVCodecContext *avctx,
for(mb_x=0; mb_x<a->mb_width; mb_x++){
if( decode_mb(a, a->block) <0)
return -1;
-
+
idct_put(a, mb_x, mb_y);
}
}
-#if 0
+#if 0
int i;
printf("%d %d\n", 8*buf_size, get_bits_count(&a->gb));
for(i=get_bits_count(&a->gb); i<8*buf_size; i++){
@@ -457,7 +457,7 @@ for(i=0; i<s->avctx->extradata_size; i++){
*data_size = sizeof(AVPicture);
emms_c();
-
+
return (get_bits_count(&a->gb)+31)/32*4;
}
@@ -469,7 +469,7 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size,
int mb_x, mb_y;
init_put_bits(&a->pb, buf, buf_size);
-
+
*p = *pict;
p->pict_type= I_TYPE;
p->key_frame= 1;
@@ -497,13 +497,13 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size,
}
}
emms_c();
-
+
align_put_bits(&a->pb);
while(put_bits_count(&a->pb)&31)
put_bits(&a->pb, 8, 0);
-
+
size= put_bits_count(&a->pb)/32;
-
+
if(avctx->codec_id == CODEC_ID_ASV1)
a->dsp.bswap_buf((uint32_t*)buf, (uint32_t*)buf, size);
else{
@@ -511,7 +511,7 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size,
for(i=0; i<4*size; i++)
buf[i]= ff_reverse[ buf[i] ];
}
-
+
return size*4;
}
@@ -534,7 +534,7 @@ static int decode_init(AVCodecContext *avctx){
AVFrame *p= (AVFrame*)&a->picture;
int i;
const int scale= avctx->codec_id == CODEC_ID_ASV1 ? 1 : 2;
-
+
common_init(avctx);
init_vlcs(a);
ff_init_scantable(a->dsp.idct_permutation, &a->scantable, scantab);
@@ -569,16 +569,16 @@ static int encode_init(AVCodecContext *avctx){
const int scale= avctx->codec_id == CODEC_ID_ASV1 ? 1 : 2;
common_init(avctx);
-
+
if(avctx->global_quality == 0) avctx->global_quality= 4*FF_QUALITY_SCALE;
a->inv_qscale= (32*scale*FF_QUALITY_SCALE + avctx->global_quality/2) / avctx->global_quality;
-
+
avctx->extradata= av_mallocz(8);
avctx->extradata_size=8;
((uint32_t*)avctx->extradata)[0]= le2me_32(a->inv_qscale);
((uint32_t*)avctx->extradata)[1]= le2me_32(ff_get_fourcc("ASUS"));
-
+
for(i=0; i<64; i++){
int q= 32*scale*ff_mpeg1_default_intra_matrix[i];
a->q_intra_matrix[i]= ((a->inv_qscale<<16) + q/2) / q;
@@ -593,7 +593,7 @@ static int decode_end(AVCodecContext *avctx){
av_freep(&a->bitstream_buffer);
av_freep(&a->picture.qscale_table);
a->bitstream_buffer_size=0;
-
+
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-01 01:36:45 +0000