#include "mathops.h"
#include "mpeg12data.h"
-static inline void asv2_put_bits(PutBitContext *pb, int n, int v){
- put_bits(pb, n, ff_reverse[ v << (8-n) ]);
+static inline void asv2_put_bits(PutBitContext *pb, int n, int v)
+{
+ put_bits(pb, n, ff_reverse[v << (8 - n)]);
}
-static inline void asv1_put_level(PutBitContext *pb, int level){
- unsigned int index= level + 3;
+static inline void asv1_put_level(PutBitContext *pb, int level)
+{
+ unsigned int index = level + 3;
- if(index <= 6) put_bits(pb, ff_asv_level_tab[index][1], ff_asv_level_tab[index][0]);
- else{
+ if (index <= 6) {
+ put_bits(pb, ff_asv_level_tab[index][1], ff_asv_level_tab[index][0]);
+ } else {
put_bits(pb, ff_asv_level_tab[3][1], ff_asv_level_tab[3][0]);
put_sbits(pb, 8, level);
}
}
-static inline void asv2_put_level(PutBitContext *pb, int level){
- unsigned int index= level + 31;
+static inline void asv2_put_level(PutBitContext *pb, int level)
+{
+ unsigned int index = level + 31;
- if(index <= 62) put_bits(pb, ff_asv2_level_tab[index][1], ff_asv2_level_tab[index][0]);
- else{
+ if (index <= 62) {
+ put_bits(pb, ff_asv2_level_tab[index][1], ff_asv2_level_tab[index][0]);
+ } else {
put_bits(pb, ff_asv2_level_tab[31][1], ff_asv2_level_tab[31][0]);
- asv2_put_bits(pb, 8, level&0xFF);
+ asv2_put_bits(pb, 8, level & 0xFF);
}
}
-static inline void asv1_encode_block(ASV1Context *a, int16_t block[64]){
+static inline void asv1_encode_block(ASV1Context *a, int16_t 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 = ff_asv_scantab[4*i];
- int ccp=0;
-
- if( (block[index + 0] = (block[index + 0]*a->q_intra_matrix[index + 0] + (1<<15))>>16) ) ccp |= 8;
- if( (block[index + 8] = (block[index + 8]*a->q_intra_matrix[index + 8] + (1<<15))>>16) ) ccp |= 4;
- if( (block[index + 1] = (block[index + 1]*a->q_intra_matrix[index + 1] + (1<<15))>>16) ) ccp |= 2;
- 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--)
+ 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 = ff_asv_scantab[4 * i];
+ int ccp = 0;
+
+ if ((block[index + 0] = (block[index + 0] *
+ a->q_intra_matrix[index + 0] + (1 << 15)) >> 16))
+ ccp |= 8;
+ if ((block[index + 8] = (block[index + 8] *
+ a->q_intra_matrix[index + 8] + (1 << 15)) >> 16))
+ ccp |= 4;
+ if ((block[index + 1] = (block[index + 1] *
+ a->q_intra_matrix[index + 1] + (1 << 15)) >> 16))
+ ccp |= 2;
+ 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--)
put_bits(&a->pb, ff_asv_ccp_tab[0][1], ff_asv_ccp_tab[0][0]);
put_bits(&a->pb, ff_asv_ccp_tab[ccp][1], ff_asv_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]);
- if(ccp&1) asv1_put_level(&a->pb, block[index + 9]);
- }else{
+ 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]);
+ if (ccp & 1)
+ asv1_put_level(&a->pb, block[index + 9]);
+ } else {
nc_count++;
}
}
put_bits(&a->pb, ff_asv_ccp_tab[16][1], ff_asv_ccp_tab[16][0]);
}
-static inline void asv2_encode_block(ASV1Context *a, int16_t block[64]){
+static inline void asv2_encode_block(ASV1Context *a, int16_t block[64])
+{
int i;
- int count=0;
+ int count = 0;
- for(count=63; count>3; count--){
+ for (count = 63; count > 3; count--) {
const int index = ff_asv_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 = ff_asv_scantab[4*i];
- int ccp=0;
-
- if( (block[index + 0] = (block[index + 0]*a->q_intra_matrix[index + 0] + (1<<15))>>16) ) ccp |= 8;
- if( (block[index + 8] = (block[index + 8]*a->q_intra_matrix[index + 8] + (1<<15))>>16) ) ccp |= 4;
- if( (block[index + 1] = (block[index + 1]*a->q_intra_matrix[index + 1] + (1<<15))>>16) ) ccp |= 2;
- if( (block[index + 9] = (block[index + 9]*a->q_intra_matrix[index + 9] + (1<<15))>>16) ) ccp |= 1;
-
- av_assert2(i || ccp<8);
- if(i) put_bits(&a->pb, ff_asv_ac_ccp_tab[ccp][1], ff_asv_ac_ccp_tab[ccp][0]);
- else put_bits(&a->pb, ff_asv_dc_ccp_tab[ccp][1], ff_asv_dc_ccp_tab[ccp][0]);
-
- if(ccp){
- if(ccp&8) asv2_put_level(&a->pb, block[index + 0]);
- if(ccp&4) asv2_put_level(&a->pb, block[index + 8]);
- if(ccp&2) asv2_put_level(&a->pb, block[index + 1]);
- if(ccp&1) asv2_put_level(&a->pb, block[index + 9]);
+ asv2_put_bits(&a->pb, 8, (block[0] + 32) >> 6);
+ block[0] = 0;
+
+ for (i = 0; i <= count; i++) {
+ const int index = ff_asv_scantab[4 * i];
+ int ccp = 0;
+
+ if ((block[index + 0] = (block[index + 0] *
+ a->q_intra_matrix[index + 0] + (1 << 15)) >> 16))
+ ccp |= 8;
+ if ((block[index + 8] = (block[index + 8] *
+ a->q_intra_matrix[index + 8] + (1 << 15)) >> 16))
+ ccp |= 4;
+ if ((block[index + 1] = (block[index + 1] *
+ a->q_intra_matrix[index + 1] + (1 << 15)) >> 16))
+ ccp |= 2;
+ if ((block[index + 9] = (block[index + 9] *
+ a->q_intra_matrix[index + 9] + (1 << 15)) >> 16))
+ ccp |= 1;
+
+ av_assert2(i || ccp < 8);
+ if (i)
+ put_bits(&a->pb, ff_asv_ac_ccp_tab[ccp][1], ff_asv_ac_ccp_tab[ccp][0]);
+ else
+ put_bits(&a->pb, ff_asv_dc_ccp_tab[ccp][1], ff_asv_dc_ccp_tab[ccp][0]);
+
+ if (ccp) {
+ if (ccp & 8)
+ asv2_put_level(&a->pb, block[index + 0]);
+ if (ccp & 4)
+ asv2_put_level(&a->pb, block[index + 8]);
+ if (ccp & 2)
+ asv2_put_level(&a->pb, block[index + 1]);
+ if (ccp & 1)
+ asv2_put_level(&a->pb, block[index + 9]);
}
}
}
-#define MAX_MB_SIZE (30*16*16*3/2/8)
+#define MAX_MB_SIZE (30 * 16 * 16 * 3 / 2 / 8)
-static inline int encode_mb(ASV1Context *a, int16_t block[6][64]){
+static inline int encode_mb(ASV1Context *a, int16_t block[6][64])
+{
int i;
- if (a->pb.buf_end - a->pb.buf - (put_bits_count(&a->pb)>>3) < MAX_MB_SIZE) {
+ if (a->pb.buf_end - a->pb.buf - (put_bits_count(&a->pb) >> 3) < MAX_MB_SIZE) {
av_log(a->avctx, AV_LOG_ERROR, "encoded frame too large\n");
return -1;
}
- if(a->avctx->codec_id == AV_CODEC_ID_ASV1){
- for(i=0; i<6; i++)
+ if (a->avctx->codec_id == AV_CODEC_ID_ASV1) {
+ for (i = 0; i < 6; i++)
asv1_encode_block(a, block[i]);
- }else{
- for(i=0; i<6; i++)
+ } else {
+ for (i = 0; i < 6; i++)
asv2_encode_block(a, block[i]);
}
return 0;
static inline void dct_get(ASV1Context *a, const AVFrame *frame,
int mb_x, int mb_y)
{
- int16_t (*block)[64]= a->block;
+ int16_t (*block)[64] = a->block;
int linesize = frame->linesize[0];
int i;
- uint8_t *ptr_y = frame->data[0] + (mb_y * 16* linesize ) + mb_x * 16;
- uint8_t *ptr_cb = frame->data[1] + (mb_y * 8 * frame->linesize[1]) + mb_x * 8;
- uint8_t *ptr_cr = frame->data[2] + (mb_y * 8 * frame->linesize[2]) + mb_x * 8;
+ uint8_t *ptr_y = frame->data[0] + (mb_y * 16 * linesize) + mb_x * 16;
+ uint8_t *ptr_cb = frame->data[1] + (mb_y * 8 * frame->linesize[1]) + mb_x * 8;
+ uint8_t *ptr_cr = frame->data[2] + (mb_y * 8 * frame->linesize[2]) + mb_x * 8;
a->pdsp.get_pixels(block[0], ptr_y, linesize);
a->pdsp.get_pixels(block[1], ptr_y + 8, linesize);
a->pdsp.get_pixels(block[2], ptr_y + 8 * linesize, linesize);
a->pdsp.get_pixels(block[3], ptr_y + 8 * linesize + 8, linesize);
- for(i=0; i<4; i++)
+ for (i = 0; i < 4; i++)
a->fdsp.fdct(block[i]);
- if(!(a->avctx->flags&CODEC_FLAG_GRAY)){
+ if (!(a->avctx->flags & CODEC_FLAG_GRAY)) {
a->pdsp.get_pixels(block[4], ptr_cb, frame->linesize[1]);
a->pdsp.get_pixels(block[5], ptr_cr, frame->linesize[2]);
- for(i=4; i<6; i++)
+ for (i = 4; i < 6; i++)
a->fdsp.fdct(block[i]);
}
}
static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *pict, int *got_packet)
{
- ASV1Context * const a = avctx->priv_data;
+ ASV1Context *const a = avctx->priv_data;
int size, ret;
int mb_x, mb_y;
return ret;
}
- if ((ret = ff_alloc_packet2(avctx, pkt, a->mb_height*a->mb_width*MAX_MB_SIZE +
- FF_MIN_BUFFER_SIZE)) < 0)
+ if ((ret = ff_alloc_packet2(avctx, pkt, a->mb_height * a->mb_width * MAX_MB_SIZE +
+ FF_MIN_BUFFER_SIZE)) < 0)
return ret;
init_put_bits(&a->pb, pkt->data, pkt->size);
- for(mb_y=0; mb_y<a->mb_height2; mb_y++){
- for(mb_x=0; mb_x<a->mb_width2; mb_x++){
+ for (mb_y = 0; mb_y < a->mb_height2; mb_y++) {
+ for (mb_x = 0; mb_x < a->mb_width2; mb_x++) {
dct_get(a, pict, mb_x, mb_y);
encode_mb(a, a->block);
}
}
- if(a->mb_width2 != a->mb_width){
- mb_x= a->mb_width2;
- for(mb_y=0; mb_y<a->mb_height2; mb_y++){
+ if (a->mb_width2 != a->mb_width) {
+ mb_x = a->mb_width2;
+ for (mb_y = 0; mb_y < a->mb_height2; mb_y++) {
dct_get(a, pict, mb_x, mb_y);
encode_mb(a, a->block);
}
}
- if(a->mb_height2 != a->mb_height){
- mb_y= a->mb_height2;
- for(mb_x=0; mb_x<a->mb_width; mb_x++){
+ if (a->mb_height2 != a->mb_height) {
+ mb_y = a->mb_height2;
+ for (mb_x = 0; mb_x < a->mb_width; mb_x++) {
dct_get(a, pict, mb_x, mb_y);
encode_mb(a, a->block);
}
emms_c();
avpriv_align_put_bits(&a->pb);
- while(put_bits_count(&a->pb)&31)
+ while (put_bits_count(&a->pb) & 31)
put_bits(&a->pb, 8, 0);
- size= put_bits_count(&a->pb)/32;
+ size = put_bits_count(&a->pb) / 32;
- if(avctx->codec_id == AV_CODEC_ID_ASV1)
+ if (avctx->codec_id == AV_CODEC_ID_ASV1) {
a->bbdsp.bswap_buf((uint32_t *) pkt->data,
(uint32_t *) pkt->data, size);
- else{
+ } else {
int i;
- for(i=0; i<4*size; i++)
+ for (i = 0; i < 4 * size; i++)
pkt->data[i] = ff_reverse[pkt->data[i]];
}
- pkt->size = size*4;
+ pkt->size = size * 4;
pkt->flags |= AV_PKT_FLAG_KEY;
*got_packet = 1;
return 0;
}
-static av_cold int encode_init(AVCodecContext *avctx){
- ASV1Context * const a = avctx->priv_data;
+static av_cold int encode_init(AVCodecContext *avctx)
+{
+ ASV1Context *const a = avctx->priv_data;
int i;
- const int scale= avctx->codec_id == AV_CODEC_ID_ASV1 ? 1 : 2;
+ const int scale = avctx->codec_id == AV_CODEC_ID_ASV1 ? 1 : 2;
ff_asv_common_init(avctx);
ff_fdctdsp_init(&a->fdsp, avctx);
ff_pixblockdsp_init(&a->pdsp, avctx);
- if(avctx->global_quality <= 0) avctx->global_quality= 4*FF_QUALITY_SCALE;
+ 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;
+ 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]= av_le2ne32(a->inv_qscale);
- ((uint32_t*)avctx->extradata)[1]= av_le2ne32(AV_RL32("ASUS"));
+ avctx->extradata = av_mallocz(8);
+ avctx->extradata_size = 8;
+ ((uint32_t *) avctx->extradata)[0] = av_le2ne32(a->inv_qscale);
+ ((uint32_t *) avctx->extradata)[1] = av_le2ne32(AV_RL32("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;
+ 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;
}
return 0;
.priv_data_size = sizeof(ASV1Context),
.init = encode_init,
.encode2 = encode_frame,
- .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P,
- AV_PIX_FMT_NONE },
+ .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_NONE },
};
#endif
.priv_data_size = sizeof(ASV1Context),
.init = encode_init,
.encode2 = encode_frame,
- .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P,
- AV_PIX_FMT_NONE },
+ .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_NONE },
};
#endif
projects / platform / framework / web / crosswalk.git / blobdiff