*/
#include "avcodec.h"
+#include "h263.h"
#include "mpegvideo.h"
#include "msmpeg4.h"
#include "msmpeg4data.h"
-#include "h263.h"
#include "wmv2.h"
-static int encode_ext_header(Wmv2Context *w){
- MpegEncContext * const s= &w->s;
+static int encode_ext_header(Wmv2Context *w)
+{
+ MpegEncContext *const s = &w->s;
PutBitContext pb;
int code;
init_put_bits(&pb, s->avctx->extradata, s->avctx->extradata_size);
- put_bits(&pb, 5, s->avctx->time_base.den / s->avctx->time_base.num); //yes 29.97 -> 29
- put_bits(&pb, 11, FFMIN(s->bit_rate/1024, 2047));
+ put_bits(&pb, 5, s->avctx->time_base.den / s->avctx->time_base.num); // yes 29.97 -> 29
+ put_bits(&pb, 11, FFMIN(s->bit_rate / 1024, 2047));
- put_bits(&pb, 1, w->mspel_bit=1);
+ put_bits(&pb, 1, w->mspel_bit = 1);
put_bits(&pb, 1, s->loop_filter);
- put_bits(&pb, 1, w->abt_flag=1);
- put_bits(&pb, 1, w->j_type_bit=1);
- put_bits(&pb, 1, w->top_left_mv_flag=0);
- put_bits(&pb, 1, w->per_mb_rl_bit=1);
- put_bits(&pb, 3, code=1);
+ put_bits(&pb, 1, w->abt_flag = 1);
+ put_bits(&pb, 1, w->j_type_bit = 1);
+ put_bits(&pb, 1, w->top_left_mv_flag = 0);
+ put_bits(&pb, 1, w->per_mb_rl_bit = 1);
+ put_bits(&pb, 3, code = 1);
flush_put_bits(&pb);
return 0;
}
-static av_cold int wmv2_encode_init(AVCodecContext *avctx){
- Wmv2Context * const w= avctx->priv_data;
+static av_cold int wmv2_encode_init(AVCodecContext *avctx)
+{
+ Wmv2Context *const w = avctx->priv_data;
- if(ff_MPV_encode_init(avctx) < 0)
+ if (ff_mpv_encode_init(avctx) < 0)
return -1;
ff_wmv2_common_init(w);
- avctx->extradata_size= 4;
- avctx->extradata= av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ avctx->extradata_size = 4;
+ avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata)
return AVERROR(ENOMEM);
encode_ext_header(w);
return 0;
}
-int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number)
+int ff_wmv2_encode_picture_header(MpegEncContext *s, int picture_number)
{
- Wmv2Context * const w= (Wmv2Context*)s;
+ Wmv2Context *const w = (Wmv2Context *) s;
put_bits(&s->pb, 1, s->pict_type - 1);
- if(s->pict_type == AV_PICTURE_TYPE_I){
+ if (s->pict_type == AV_PICTURE_TYPE_I)
put_bits(&s->pb, 7, 0);
- }
put_bits(&s->pb, 5, s->qscale);
- s->dc_table_index = 1;
- s->mv_table_index = 1; /* only if P frame */
+ s->dc_table_index = 1;
+ s->mv_table_index = 1; /* only if P frame */
s->per_mb_rl_table = 0;
- s->mspel= 0;
- w->per_mb_abt=0;
- w->abt_type=0;
- w->j_type=0;
+ s->mspel = 0;
+ w->per_mb_abt = 0;
+ w->abt_type = 0;
+ w->j_type = 0;
av_assert0(s->flipflop_rounding);
if (s->pict_type == AV_PICTURE_TYPE_I) {
- av_assert0(s->no_rounding==1);
- if(w->j_type_bit) put_bits(&s->pb, 1, w->j_type);
+ av_assert0(s->no_rounding == 1);
+ if (w->j_type_bit)
+ put_bits(&s->pb, 1, w->j_type);
- if(w->per_mb_rl_bit) put_bits(&s->pb, 1, s->per_mb_rl_table);
+ if (w->per_mb_rl_bit)
+ put_bits(&s->pb, 1, s->per_mb_rl_table);
- if(!s->per_mb_rl_table){
+ if (!s->per_mb_rl_table) {
ff_msmpeg4_code012(&s->pb, s->rl_chroma_table_index);
ff_msmpeg4_code012(&s->pb, s->rl_table_index);
}
put_bits(&s->pb, 1, s->dc_table_index);
- s->inter_intra_pred= 0;
- }else{
+ s->inter_intra_pred = 0;
+ } else {
int cbp_index;
put_bits(&s->pb, 2, SKIP_TYPE_NONE);
- ff_msmpeg4_code012(&s->pb, cbp_index=0);
- if(s->qscale <= 10){
- int map[3]= {0,2,1};
- w->cbp_table_index= map[cbp_index];
- }else if(s->qscale <= 20){
- int map[3]= {1,0,2};
- w->cbp_table_index= map[cbp_index];
- }else{
- int map[3]= {2,1,0};
- w->cbp_table_index= map[cbp_index];
+ ff_msmpeg4_code012(&s->pb, cbp_index = 0);
+ if (s->qscale <= 10) {
+ int map[3] = { 0, 2, 1 };
+ w->cbp_table_index = map[cbp_index];
+ } else if (s->qscale <= 20) {
+ int map[3] = { 1, 0, 2 };
+ w->cbp_table_index = map[cbp_index];
+ } else {
+ int map[3] = { 2, 1, 0 };
+ w->cbp_table_index = map[cbp_index];
}
- if(w->mspel_bit) put_bits(&s->pb, 1, s->mspel);
+ if (w->mspel_bit)
+ put_bits(&s->pb, 1, s->mspel);
- if(w->abt_flag){
- put_bits(&s->pb, 1, w->per_mb_abt^1);
- if(!w->per_mb_abt){
+ if (w->abt_flag) {
+ put_bits(&s->pb, 1, w->per_mb_abt ^ 1);
+ if (!w->per_mb_abt)
ff_msmpeg4_code012(&s->pb, w->abt_type);
- }
}
- if(w->per_mb_rl_bit) put_bits(&s->pb, 1, s->per_mb_rl_table);
+ if (w->per_mb_rl_bit)
+ put_bits(&s->pb, 1, s->per_mb_rl_table);
- if(!s->per_mb_rl_table){
+ if (!s->per_mb_rl_table) {
ff_msmpeg4_code012(&s->pb, s->rl_table_index);
s->rl_chroma_table_index = s->rl_table_index;
}
put_bits(&s->pb, 1, s->dc_table_index);
put_bits(&s->pb, 1, s->mv_table_index);
- s->inter_intra_pred= 0;//(s->width*s->height < 320*240 && s->bit_rate<=II_BITRATE);
+ s->inter_intra_pred = 0; // (s->width * s->height < 320 * 240 && s->bit_rate <= II_BITRATE);
}
- s->esc3_level_length= 0;
- s->esc3_run_length= 0;
+ s->esc3_level_length = 0;
+ s->esc3_run_length = 0;
return 0;
}
/* Nearly identical to wmv1 but that is just because we do not use the
* useless M$ crap features. It is duplicated here in case someone wants
* to add support for these crap features. */
-void ff_wmv2_encode_mb(MpegEncContext * s,
- int16_t block[6][64],
+void ff_wmv2_encode_mb(MpegEncContext *s, int16_t block[6][64],
int motion_x, int motion_y)
{
- Wmv2Context * const w= (Wmv2Context*)s;
+ Wmv2Context *const w = (Wmv2Context *) s;
int cbp, coded_cbp, i;
int pred_x, pred_y;
uint8_t *coded_block;
if (!s->mb_intra) {
/* compute cbp */
cbp = 0;
- for (i = 0; i < 6; i++) {
+ for (i = 0; i < 6; i++)
if (s->block_last_index[i] >= 0)
cbp |= 1 << (5 - i);
- }
put_bits(&s->pb,
ff_wmv2_inter_table[w->cbp_table_index][cbp + 64][1],
/* motion vector */
ff_h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
ff_msmpeg4_encode_motion(s, motion_x - pred_x,
- motion_y - pred_y);
+ motion_y - pred_y);
s->mv_bits += get_bits_diff(s);
} else {
/* compute cbp */
- cbp = 0;
+ cbp = 0;
coded_cbp = 0;
for (i = 0; i < 6; i++) {
int val, pred;
- val = (s->block_last_index[i] >= 1);
+ val = (s->block_last_index[i] >= 1);
cbp |= val << (5 - i);
if (i < 4) {
/* predict value for close blocks only for luma */
- pred = ff_msmpeg4_coded_block_pred(s, i, &coded_block);
+ pred = ff_msmpeg4_coded_block_pred(s, i, &coded_block);
*coded_block = val;
- val = val ^ pred;
+ val = val ^ pred;
}
coded_cbp |= val << (5 - i);
}
- if (s->pict_type == AV_PICTURE_TYPE_I) {
+ if (s->pict_type == AV_PICTURE_TYPE_I)
put_bits(&s->pb,
- ff_msmp4_mb_i_table[coded_cbp][1], ff_msmp4_mb_i_table[coded_cbp][0]);
- } else {
+ ff_msmp4_mb_i_table[coded_cbp][1],
+ ff_msmp4_mb_i_table[coded_cbp][0]);
+ else
put_bits(&s->pb,
ff_wmv2_inter_table[w->cbp_table_index][cbp][1],
ff_wmv2_inter_table[w->cbp_table_index][cbp][0]);
- }
put_bits(&s->pb, 1, 0); /* no AC prediction yet */
- if(s->inter_intra_pred){
- s->h263_aic_dir=0;
- put_bits(&s->pb, ff_table_inter_intra[s->h263_aic_dir][1], ff_table_inter_intra[s->h263_aic_dir][0]);
+ if (s->inter_intra_pred) {
+ s->h263_aic_dir = 0;
+ put_bits(&s->pb,
+ ff_table_inter_intra[s->h263_aic_dir][1],
+ ff_table_inter_intra[s->h263_aic_dir][0]);
}
s->misc_bits += get_bits_diff(s);
}
- for (i = 0; i < 6; i++) {
+ for (i = 0; i < 6; i++)
ff_msmpeg4_encode_block(s, block[i], i);
- }
if (s->mb_intra)
s->i_tex_bits += get_bits_diff(s);
else
.id = AV_CODEC_ID_WMV2,
.priv_data_size = sizeof(Wmv2Context),
.init = wmv2_encode_init,
- .encode2 = ff_MPV_encode_picture,
- .close = ff_MPV_encode_end,
- .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
+ .encode2 = ff_mpv_encode_picture,
+ .close = ff_mpv_encode_end,
+ .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_NONE },
};
projects / platform / framework / web / crosswalk.git / blobdiff