mirror of
https://github.com/FFmpeg/FFmpeg.git
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Merge commit 'dc6ea00cd2b91b591e6726e5bf1d5e03a4a9bdd0'
* commit 'dc6ea00cd2b91b591e6726e5bf1d5e03a4a9bdd0': mpeg4video: K&R formatting cosmetics Conflicts: libavcodec/mpeg4video.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
commit
1344c04536
@ -24,19 +24,20 @@
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#include "mpeg4video.h"
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#include "mpeg4data.h"
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uint8_t ff_mpeg4_static_rl_table_store[3][2][2*MAX_RUN + MAX_LEVEL + 3];
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uint8_t ff_mpeg4_static_rl_table_store[3][2][2 * MAX_RUN + MAX_LEVEL + 3];
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int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s){
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switch(s->pict_type){
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case AV_PICTURE_TYPE_I:
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return 16;
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case AV_PICTURE_TYPE_P:
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case AV_PICTURE_TYPE_S:
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return s->f_code+15;
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case AV_PICTURE_TYPE_B:
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return FFMAX3(s->f_code, s->b_code, 2) + 15;
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default:
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return -1;
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int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s)
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{
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switch (s->pict_type) {
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case AV_PICTURE_TYPE_I:
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return 16;
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case AV_PICTURE_TYPE_P:
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case AV_PICTURE_TYPE_S:
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return s->f_code + 15;
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case AV_PICTURE_TYPE_B:
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return FFMAX3(s->f_code, s->b_code, 2) + 15;
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default:
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return -1;
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}
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}
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@ -44,70 +45,75 @@ void ff_mpeg4_clean_buffers(MpegEncContext *s)
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{
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int c_wrap, c_xy, l_wrap, l_xy;
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l_wrap= s->b8_stride;
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l_xy= (2*s->mb_y-1)*l_wrap + s->mb_x*2 - 1;
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c_wrap= s->mb_stride;
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c_xy= (s->mb_y-1)*c_wrap + s->mb_x - 1;
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l_wrap = s->b8_stride;
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l_xy = (2 * s->mb_y - 1) * l_wrap + s->mb_x * 2 - 1;
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c_wrap = s->mb_stride;
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c_xy = (s->mb_y - 1) * c_wrap + s->mb_x - 1;
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#if 0
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/* clean DC */
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memsetw(s->dc_val[0] + l_xy, 1024, l_wrap*2+1);
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memsetw(s->dc_val[1] + c_xy, 1024, c_wrap+1);
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memsetw(s->dc_val[2] + c_xy, 1024, c_wrap+1);
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memsetw(s->dc_val[0] + l_xy, 1024, l_wrap * 2 + 1);
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memsetw(s->dc_val[1] + c_xy, 1024, c_wrap + 1);
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memsetw(s->dc_val[2] + c_xy, 1024, c_wrap + 1);
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#endif
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/* clean AC */
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memset(s->ac_val[0] + l_xy, 0, (l_wrap*2+1)*16*sizeof(int16_t));
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memset(s->ac_val[1] + c_xy, 0, (c_wrap +1)*16*sizeof(int16_t));
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memset(s->ac_val[2] + c_xy, 0, (c_wrap +1)*16*sizeof(int16_t));
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memset(s->ac_val[0] + l_xy, 0, (l_wrap * 2 + 1) * 16 * sizeof(int16_t));
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memset(s->ac_val[1] + c_xy, 0, (c_wrap + 1) * 16 * sizeof(int16_t));
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memset(s->ac_val[2] + c_xy, 0, (c_wrap + 1) * 16 * sizeof(int16_t));
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/* clean MV */
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// we can't clear the MVs as they might be needed by a b frame
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// memset(s->motion_val + l_xy, 0, (l_wrap*2+1)*2*sizeof(int16_t));
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// memset(s->motion_val, 0, 2*sizeof(int16_t)*(2 + s->mb_width*2)*(2 + s->mb_height*2));
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s->last_mv[0][0][0]=
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s->last_mv[0][0][1]=
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s->last_mv[1][0][0]=
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s->last_mv[1][0][1]= 0;
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// memset(s->motion_val + l_xy, 0, (l_wrap * 2 + 1) * 2 * sizeof(int16_t));
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// memset(s->motion_val, 0, 2 * sizeof(int16_t) * (2 + s->mb_width * 2) *
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// (2 + s->mb_height * 2));
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s->last_mv[0][0][0] =
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s->last_mv[0][0][1] =
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s->last_mv[1][0][0] =
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s->last_mv[1][0][1] = 0;
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}
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#define tab_size ((signed)FF_ARRAY_ELEMS(s->direct_scale_mv[0]))
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#define tab_bias (tab_size/2)
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#define tab_bias (tab_size / 2)
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//used by mpeg4 and rv10 decoder
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void ff_mpeg4_init_direct_mv(MpegEncContext *s){
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// used by mpeg4 and rv10 decoder
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void ff_mpeg4_init_direct_mv(MpegEncContext *s)
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{
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int i;
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for(i=0; i<tab_size; i++){
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s->direct_scale_mv[0][i] = (i-tab_bias)*s->pb_time/s->pp_time;
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s->direct_scale_mv[1][i] = (i-tab_bias)*(s->pb_time-s->pp_time)/s->pp_time;
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for (i = 0; i < tab_size; i++) {
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s->direct_scale_mv[0][i] = (i - tab_bias) * s->pb_time / s->pp_time;
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s->direct_scale_mv[1][i] = (i - tab_bias) * (s->pb_time - s->pp_time) /
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s->pp_time;
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}
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}
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static inline void ff_mpeg4_set_one_direct_mv(MpegEncContext *s, int mx, int my, int i){
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int xy= s->block_index[i];
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uint16_t time_pp= s->pp_time;
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uint16_t time_pb= s->pb_time;
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static inline void ff_mpeg4_set_one_direct_mv(MpegEncContext *s, int mx,
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int my, int i)
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{
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int xy = s->block_index[i];
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uint16_t time_pp = s->pp_time;
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uint16_t time_pb = s->pb_time;
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int p_mx, p_my;
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p_mx = s->next_picture.motion_val[0][xy][0];
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if((unsigned)(p_mx + tab_bias) < tab_size){
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if ((unsigned)(p_mx + tab_bias) < tab_size) {
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s->mv[0][i][0] = s->direct_scale_mv[0][p_mx + tab_bias] + mx;
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s->mv[1][i][0] = mx ? s->mv[0][i][0] - p_mx
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: s->direct_scale_mv[1][p_mx + tab_bias];
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}else{
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s->mv[0][i][0] = p_mx*time_pb/time_pp + mx;
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} else {
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s->mv[0][i][0] = p_mx * time_pb / time_pp + mx;
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s->mv[1][i][0] = mx ? s->mv[0][i][0] - p_mx
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: p_mx*(time_pb - time_pp)/time_pp;
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: p_mx * (time_pb - time_pp) / time_pp;
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}
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p_my = s->next_picture.motion_val[0][xy][1];
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if((unsigned)(p_my + tab_bias) < tab_size){
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if ((unsigned)(p_my + tab_bias) < tab_size) {
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s->mv[0][i][1] = s->direct_scale_mv[0][p_my + tab_bias] + my;
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s->mv[1][i][1] = my ? s->mv[0][i][1] - p_my
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: s->direct_scale_mv[1][p_my + tab_bias];
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}else{
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s->mv[0][i][1] = p_my*time_pb/time_pp + my;
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} else {
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s->mv[0][i][1] = p_my * time_pb / time_pp + my;
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s->mv[1][i][1] = my ? s->mv[0][i][1] - p_my
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: p_my*(time_pb - time_pp)/time_pp;
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: p_my * (time_pb - time_pp) / time_pp;
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}
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}
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@ -115,56 +121,72 @@ static inline void ff_mpeg4_set_one_direct_mv(MpegEncContext *s, int mx, int my,
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#undef tab_bias
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/**
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*
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* @return the mb_type
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*/
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int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my){
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const int mb_index= s->mb_x + s->mb_y*s->mb_stride;
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int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my)
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{
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const int mb_index = s->mb_x + s->mb_y * s->mb_stride;
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const int colocated_mb_type = s->next_picture.mb_type[mb_index];
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uint16_t time_pp;
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uint16_t time_pb;
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int i;
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//FIXME avoid divides
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// FIXME avoid divides
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// try special case with shifts for 1 and 3 B-frames?
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if(IS_8X8(colocated_mb_type)){
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if (IS_8X8(colocated_mb_type)) {
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s->mv_type = MV_TYPE_8X8;
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for(i=0; i<4; i++){
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for (i = 0; i < 4; i++)
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ff_mpeg4_set_one_direct_mv(s, mx, my, i);
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}
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return MB_TYPE_DIRECT2 | MB_TYPE_8x8 | MB_TYPE_L0L1;
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} else if(IS_INTERLACED(colocated_mb_type)){
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} else if (IS_INTERLACED(colocated_mb_type)) {
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s->mv_type = MV_TYPE_FIELD;
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for(i=0; i<2; i++){
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for (i = 0; i < 2; i++) {
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int field_select = s->next_picture.ref_index[0][4 * mb_index + 2 * i];
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s->field_select[0][i]= field_select;
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s->field_select[1][i]= i;
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if(s->top_field_first){
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time_pp= s->pp_field_time - field_select + i;
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time_pb= s->pb_field_time - field_select + i;
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}else{
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time_pp= s->pp_field_time + field_select - i;
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time_pb= s->pb_field_time + field_select - i;
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s->field_select[0][i] = field_select;
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s->field_select[1][i] = i;
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if (s->top_field_first) {
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time_pp = s->pp_field_time - field_select + i;
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time_pb = s->pb_field_time - field_select + i;
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} else {
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time_pp = s->pp_field_time + field_select - i;
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time_pb = s->pb_field_time + field_select - i;
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}
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s->mv[0][i][0] = s->p_field_mv_table[i][0][mb_index][0]*time_pb/time_pp + mx;
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s->mv[0][i][1] = s->p_field_mv_table[i][0][mb_index][1]*time_pb/time_pp + my;
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s->mv[1][i][0] = mx ? s->mv[0][i][0] - s->p_field_mv_table[i][0][mb_index][0]
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: s->p_field_mv_table[i][0][mb_index][0]*(time_pb - time_pp)/time_pp;
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s->mv[1][i][1] = my ? s->mv[0][i][1] - s->p_field_mv_table[i][0][mb_index][1]
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: s->p_field_mv_table[i][0][mb_index][1]*(time_pb - time_pp)/time_pp;
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s->mv[0][i][0] = s->p_field_mv_table[i][0][mb_index][0] *
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time_pb / time_pp + mx;
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s->mv[0][i][1] = s->p_field_mv_table[i][0][mb_index][1] *
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time_pb / time_pp + my;
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s->mv[1][i][0] = mx ? s->mv[0][i][0] -
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s->p_field_mv_table[i][0][mb_index][0]
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: s->p_field_mv_table[i][0][mb_index][0] *
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(time_pb - time_pp) / time_pp;
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s->mv[1][i][1] = my ? s->mv[0][i][1] -
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s->p_field_mv_table[i][0][mb_index][1]
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: s->p_field_mv_table[i][0][mb_index][1] *
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(time_pb - time_pp) / time_pp;
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}
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return MB_TYPE_DIRECT2 | MB_TYPE_16x8 | MB_TYPE_L0L1 | MB_TYPE_INTERLACED;
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}else{
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return MB_TYPE_DIRECT2 | MB_TYPE_16x8 |
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MB_TYPE_L0L1 | MB_TYPE_INTERLACED;
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} else {
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ff_mpeg4_set_one_direct_mv(s, mx, my, 0);
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s->mv[0][1][0] = s->mv[0][2][0] = s->mv[0][3][0] = s->mv[0][0][0];
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s->mv[0][1][1] = s->mv[0][2][1] = s->mv[0][3][1] = s->mv[0][0][1];
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s->mv[1][1][0] = s->mv[1][2][0] = s->mv[1][3][0] = s->mv[1][0][0];
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s->mv[1][1][1] = s->mv[1][2][1] = s->mv[1][3][1] = s->mv[1][0][1];
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if((s->avctx->workaround_bugs & FF_BUG_DIRECT_BLOCKSIZE) || !s->quarter_sample)
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s->mv_type= MV_TYPE_16X16;
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s->mv[0][1][0] =
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s->mv[0][2][0] =
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s->mv[0][3][0] = s->mv[0][0][0];
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s->mv[0][1][1] =
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s->mv[0][2][1] =
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s->mv[0][3][1] = s->mv[0][0][1];
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s->mv[1][1][0] =
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s->mv[1][2][0] =
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s->mv[1][3][0] = s->mv[1][0][0];
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s->mv[1][1][1] =
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s->mv[1][2][1] =
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s->mv[1][3][1] = s->mv[1][0][1];
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if ((s->avctx->workaround_bugs & FF_BUG_DIRECT_BLOCKSIZE) ||
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!s->quarter_sample)
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s->mv_type = MV_TYPE_16X16;
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else
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s->mv_type= MV_TYPE_8X8;
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return MB_TYPE_DIRECT2 | MB_TYPE_16x16 | MB_TYPE_L0L1; //Note see prev line
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s->mv_type = MV_TYPE_8X8;
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// Note see prev line
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return MB_TYPE_DIRECT2 | MB_TYPE_16x16 | MB_TYPE_L0L1;
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}
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}
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@ -24,6 +24,7 @@
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#define AVCODEC_MPEG4VIDEO_H
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#include <stdint.h>
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#include "get_bits.h"
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#include "mpegvideo.h"
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#include "rl.h"
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@ -34,13 +35,13 @@
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#define BIN_ONLY_SHAPE 2
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#define GRAY_SHAPE 3
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#define SIMPLE_VO_TYPE 1
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#define CORE_VO_TYPE 3
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#define MAIN_VO_TYPE 4
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#define NBIT_VO_TYPE 5
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#define ARTS_VO_TYPE 10
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#define ACE_VO_TYPE 12
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#define ADV_SIMPLE_VO_TYPE 17
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#define SIMPLE_VO_TYPE 1
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#define CORE_VO_TYPE 3
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#define MAIN_VO_TYPE 4
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#define NBIT_VO_TYPE 5
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#define ARTS_VO_TYPE 10
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#define ACE_VO_TYPE 12
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#define ADV_SIMPLE_VO_TYPE 17
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// aspect_ratio_info
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#define EXTENDED_PAR 15
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@ -88,15 +89,15 @@ extern const uint8_t ff_mpeg4_dc_threshold[8];
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void ff_mpeg4_encode_mb(MpegEncContext *s,
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int16_t block[6][64],
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int motion_x, int motion_y);
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void ff_mpeg4_pred_ac(MpegEncContext * s, int16_t *block, int n,
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void ff_mpeg4_pred_ac(MpegEncContext *s, int16_t *block, int n,
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int dir);
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void ff_set_mpeg4_time(MpegEncContext * s);
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void ff_set_mpeg4_time(MpegEncContext *s);
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void ff_mpeg4_encode_picture_header(MpegEncContext *s, int picture_number);
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int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb);
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int ff_mpeg4_decode_picture_header(MpegEncContext *s, GetBitContext *gb);
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void ff_mpeg4_encode_video_packet_header(MpegEncContext *s);
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void ff_mpeg4_clean_buffers(MpegEncContext *s);
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void ff_mpeg4_stuffing(PutBitContext * pbc);
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void ff_mpeg4_stuffing(PutBitContext *pbc);
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void ff_mpeg4_init_partitions(MpegEncContext *s);
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void ff_mpeg4_merge_partitions(MpegEncContext *s);
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void ff_clean_mpeg4_qscales(MpegEncContext *s);
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@ -112,8 +113,7 @@ void ff_mpeg4videodec_static_init(void);
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*/
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int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my);
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extern uint8_t ff_mpeg4_static_rl_table_store[3][2][2*MAX_RUN + MAX_LEVEL + 3];
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extern uint8_t ff_mpeg4_static_rl_table_store[3][2][2 * MAX_RUN + MAX_LEVEL + 3];
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#if 0 //3IV1 is quite rare and it slows things down a tiny bit
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#define IS_3IV1 s->codec_tag == AV_RL32("3IV1")
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@ -121,7 +121,6 @@ extern uint8_t ff_mpeg4_static_rl_table_store[3][2][2*MAX_RUN + MAX_LEVEL + 3];
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#define IS_3IV1 0
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#endif
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/**
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* Predict the dc.
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* encoding quantized level -> quantized diff
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@ -129,75 +128,81 @@ extern uint8_t ff_mpeg4_static_rl_table_store[3][2][2*MAX_RUN + MAX_LEVEL + 3];
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* @param n block index (0-3 are luma, 4-5 are chroma)
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* @param dir_ptr pointer to an integer where the prediction direction will be stored
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*/
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static inline int ff_mpeg4_pred_dc(MpegEncContext * s, int n, int level, int *dir_ptr, int encoding)
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static inline int ff_mpeg4_pred_dc(MpegEncContext *s, int n, int level,
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int *dir_ptr, int encoding)
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{
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int a, b, c, wrap, pred, scale, ret;
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int16_t *dc_val;
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/* find prediction */
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if (n < 4) {
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if (n < 4)
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scale = s->y_dc_scale;
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} else {
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else
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scale = s->c_dc_scale;
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}
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if(IS_3IV1)
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scale= 8;
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if (IS_3IV1)
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scale = 8;
|
||||
|
||||
wrap= s->block_wrap[n];
|
||||
wrap = s->block_wrap[n];
|
||||
dc_val = s->dc_val[0] + s->block_index[n];
|
||||
|
||||
/* B C
|
||||
* A X
|
||||
*/
|
||||
a = dc_val[ - 1];
|
||||
b = dc_val[ - 1 - wrap];
|
||||
c = dc_val[ - wrap];
|
||||
a = dc_val[-1];
|
||||
b = dc_val[-1 - wrap];
|
||||
c = dc_val[-wrap];
|
||||
|
||||
/* outside slice handling (we can't do that by memset as we need the dc for error resilience) */
|
||||
if(s->first_slice_line && n!=3){
|
||||
if(n!=2) b=c= 1024;
|
||||
if(n!=1 && s->mb_x == s->resync_mb_x) b=a= 1024;
|
||||
/* outside slice handling (we can't do that by memset as we need the
|
||||
* dc for error resilience) */
|
||||
if (s->first_slice_line && n != 3) {
|
||||
if (n != 2)
|
||||
b = c = 1024;
|
||||
if (n != 1 && s->mb_x == s->resync_mb_x)
|
||||
b = a = 1024;
|
||||
}
|
||||
if(s->mb_x == s->resync_mb_x && s->mb_y == s->resync_mb_y+1){
|
||||
if(n==0 || n==4 || n==5)
|
||||
b=1024;
|
||||
if (s->mb_x == s->resync_mb_x && s->mb_y == s->resync_mb_y + 1) {
|
||||
if (n == 0 || n == 4 || n == 5)
|
||||
b = 1024;
|
||||
}
|
||||
|
||||
if (abs(a - b) < abs(b - c)) {
|
||||
pred = c;
|
||||
pred = c;
|
||||
*dir_ptr = 1; /* top */
|
||||
} else {
|
||||
pred = a;
|
||||
pred = a;
|
||||
*dir_ptr = 0; /* left */
|
||||
}
|
||||
/* we assume pred is positive */
|
||||
pred = FASTDIV((pred + (scale >> 1)), scale);
|
||||
|
||||
if(encoding){
|
||||
if (encoding) {
|
||||
ret = level - pred;
|
||||
}else{
|
||||
} else {
|
||||
level += pred;
|
||||
ret= level;
|
||||
if(s->err_recognition&(AV_EF_BITSTREAM|AV_EF_AGGRESSIVE)){
|
||||
if(level<0){
|
||||
av_log(s->avctx, AV_LOG_ERROR, "dc<0 at %dx%d\n", s->mb_x, s->mb_y);
|
||||
ret = level;
|
||||
if (s->err_recognition & (AV_EF_BITSTREAM | AV_EF_AGGRESSIVE)) {
|
||||
if (level < 0) {
|
||||
av_log(s->avctx, AV_LOG_ERROR,
|
||||
"dc<0 at %dx%d\n", s->mb_x, s->mb_y);
|
||||
return -1;
|
||||
}
|
||||
if(level*scale > 2048 + scale){
|
||||
av_log(s->avctx, AV_LOG_ERROR, "dc overflow at %dx%d\n", s->mb_x, s->mb_y);
|
||||
if (level * scale > 2048 + scale) {
|
||||
av_log(s->avctx, AV_LOG_ERROR,
|
||||
"dc overflow at %dx%d\n", s->mb_x, s->mb_y);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
}
|
||||
level *=scale;
|
||||
if(level&(~2047)){
|
||||
if(level<0)
|
||||
level=0;
|
||||
else if(!(s->workaround_bugs&FF_BUG_DC_CLIP))
|
||||
level=2047;
|
||||
level *= scale;
|
||||
if (level & (~2047)) {
|
||||
if (level < 0)
|
||||
level = 0;
|
||||
else if (!(s->workaround_bugs & FF_BUG_DC_CLIP))
|
||||
level = 2047;
|
||||
}
|
||||
dc_val[0]= level;
|
||||
dc_val[0] = level;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
#endif /* AVCODEC_MPEG4VIDEO_H */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user