From a7ac9c2f62497451d3f88ae5561e94e22d014d3c Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 8 Jan 2010 19:59:51 +0000 Subject: Move 3 direct MV related functions that i left out from h263.c to mpeg4video.c. Originally committed as revision 21104 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/h263.c | 98 ------------------------------------------------ libavcodec/mpeg4video.c | 99 +++++++++++++++++++++++++++++++++++++++++++++++++ libavcodec/mpeg4video.h | 7 ++++ libavcodec/mpegvideo.h | 2 - 4 files changed, 106 insertions(+), 100 deletions(-) diff --git a/libavcodec/h263.c b/libavcodec/h263.c index 23179a17f3..51bfacf8dc 100644 --- a/libavcodec/h263.c +++ b/libavcodec/h263.c @@ -341,104 +341,6 @@ void ff_clean_h263_qscales(MpegEncContext *s){ #endif //CONFIG_ENCODERS -#define tab_size ((signed)FF_ARRAY_ELEMS(s->direct_scale_mv[0])) -#define tab_bias (tab_size/2) - -//used by mpeg4 and rv10 decoder -void ff_mpeg4_init_direct_mv(MpegEncContext *s){ - int i; - for(i=0; idirect_scale_mv[0][i] = (i-tab_bias)*s->pb_time/s->pp_time; - s->direct_scale_mv[1][i] = (i-tab_bias)*(s->pb_time-s->pp_time)/s->pp_time; - } -} - -static inline void ff_mpeg4_set_one_direct_mv(MpegEncContext *s, int mx, int my, int i){ - int xy= s->block_index[i]; - uint16_t time_pp= s->pp_time; - uint16_t time_pb= s->pb_time; - int p_mx, p_my; - - p_mx= s->next_picture.motion_val[0][xy][0]; - if((unsigned)(p_mx + tab_bias) < tab_size){ - s->mv[0][i][0] = s->direct_scale_mv[0][p_mx + tab_bias] + mx; - s->mv[1][i][0] = mx ? s->mv[0][i][0] - p_mx - : s->direct_scale_mv[1][p_mx + tab_bias]; - }else{ - s->mv[0][i][0] = p_mx*time_pb/time_pp + mx; - s->mv[1][i][0] = mx ? s->mv[0][i][0] - p_mx - : p_mx*(time_pb - time_pp)/time_pp; - } - p_my= s->next_picture.motion_val[0][xy][1]; - if((unsigned)(p_my + tab_bias) < tab_size){ - s->mv[0][i][1] = s->direct_scale_mv[0][p_my + tab_bias] + my; - s->mv[1][i][1] = my ? s->mv[0][i][1] - p_my - : s->direct_scale_mv[1][p_my + tab_bias]; - }else{ - s->mv[0][i][1] = p_my*time_pb/time_pp + my; - s->mv[1][i][1] = my ? s->mv[0][i][1] - p_my - : p_my*(time_pb - time_pp)/time_pp; - } -} - -#undef tab_size -#undef tab_bias - -/** - * - * @return the mb_type - */ -int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my){ - const int mb_index= s->mb_x + s->mb_y*s->mb_stride; - const int colocated_mb_type= s->next_picture.mb_type[mb_index]; - uint16_t time_pp; - uint16_t time_pb; - int i; - - //FIXME avoid divides - // try special case with shifts for 1 and 3 B-frames? - - if(IS_8X8(colocated_mb_type)){ - s->mv_type = MV_TYPE_8X8; - for(i=0; i<4; i++){ - ff_mpeg4_set_one_direct_mv(s, mx, my, i); - } - return MB_TYPE_DIRECT2 | MB_TYPE_8x8 | MB_TYPE_L0L1; - } else if(IS_INTERLACED(colocated_mb_type)){ - s->mv_type = MV_TYPE_FIELD; - for(i=0; i<2; i++){ - int field_select= s->next_picture.ref_index[0][s->block_index[2*i]]; - s->field_select[0][i]= field_select; - s->field_select[1][i]= i; - if(s->top_field_first){ - time_pp= s->pp_field_time - field_select + i; - time_pb= s->pb_field_time - field_select + i; - }else{ - time_pp= s->pp_field_time + field_select - i; - time_pb= s->pb_field_time + field_select - i; - } - s->mv[0][i][0] = s->p_field_mv_table[i][0][mb_index][0]*time_pb/time_pp + mx; - s->mv[0][i][1] = s->p_field_mv_table[i][0][mb_index][1]*time_pb/time_pp + my; - s->mv[1][i][0] = mx ? s->mv[0][i][0] - s->p_field_mv_table[i][0][mb_index][0] - : s->p_field_mv_table[i][0][mb_index][0]*(time_pb - time_pp)/time_pp; - s->mv[1][i][1] = my ? s->mv[0][i][1] - s->p_field_mv_table[i][0][mb_index][1] - : s->p_field_mv_table[i][0][mb_index][1]*(time_pb - time_pp)/time_pp; - } - return MB_TYPE_DIRECT2 | MB_TYPE_16x8 | MB_TYPE_L0L1 | MB_TYPE_INTERLACED; - }else{ - ff_mpeg4_set_one_direct_mv(s, mx, my, 0); - s->mv[0][1][0] = s->mv[0][2][0] = s->mv[0][3][0] = s->mv[0][0][0]; - s->mv[0][1][1] = s->mv[0][2][1] = s->mv[0][3][1] = s->mv[0][0][1]; - s->mv[1][1][0] = s->mv[1][2][0] = s->mv[1][3][0] = s->mv[1][0][0]; - s->mv[1][1][1] = s->mv[1][2][1] = s->mv[1][3][1] = s->mv[1][0][1]; - if((s->avctx->workaround_bugs & FF_BUG_DIRECT_BLOCKSIZE) || !s->quarter_sample) - s->mv_type= MV_TYPE_16X16; - else - s->mv_type= MV_TYPE_8X8; - return MB_TYPE_DIRECT2 | MB_TYPE_16x16 | MB_TYPE_L0L1; //Note see prev line - } -} - void ff_h263_update_motion_val(MpegEncContext * s){ const int mb_xy = s->mb_y * s->mb_stride + s->mb_x; //FIXME a lot of that is only needed for !low_delay diff --git a/libavcodec/mpeg4video.c b/libavcodec/mpeg4video.c index 9fab226ba8..a647960a51 100644 --- a/libavcodec/mpeg4video.c +++ b/libavcodec/mpeg4video.c @@ -70,3 +70,102 @@ void ff_mpeg4_clean_buffers(MpegEncContext *s) s->last_mv[1][0][0]= s->last_mv[1][0][1]= 0; } + +#define tab_size ((signed)FF_ARRAY_ELEMS(s->direct_scale_mv[0])) +#define tab_bias (tab_size/2) + +//used by mpeg4 and rv10 decoder +void ff_mpeg4_init_direct_mv(MpegEncContext *s){ + int i; + for(i=0; idirect_scale_mv[0][i] = (i-tab_bias)*s->pb_time/s->pp_time; + s->direct_scale_mv[1][i] = (i-tab_bias)*(s->pb_time-s->pp_time)/s->pp_time; + } +} + +static inline void ff_mpeg4_set_one_direct_mv(MpegEncContext *s, int mx, int my, int i){ + int xy= s->block_index[i]; + uint16_t time_pp= s->pp_time; + uint16_t time_pb= s->pb_time; + int p_mx, p_my; + + p_mx= s->next_picture.motion_val[0][xy][0]; + if((unsigned)(p_mx + tab_bias) < tab_size){ + s->mv[0][i][0] = s->direct_scale_mv[0][p_mx + tab_bias] + mx; + s->mv[1][i][0] = mx ? s->mv[0][i][0] - p_mx + : s->direct_scale_mv[1][p_mx + tab_bias]; + }else{ + s->mv[0][i][0] = p_mx*time_pb/time_pp + mx; + s->mv[1][i][0] = mx ? s->mv[0][i][0] - p_mx + : p_mx*(time_pb - time_pp)/time_pp; + } + p_my= s->next_picture.motion_val[0][xy][1]; + if((unsigned)(p_my + tab_bias) < tab_size){ + s->mv[0][i][1] = s->direct_scale_mv[0][p_my + tab_bias] + my; + s->mv[1][i][1] = my ? s->mv[0][i][1] - p_my + : s->direct_scale_mv[1][p_my + tab_bias]; + }else{ + s->mv[0][i][1] = p_my*time_pb/time_pp + my; + s->mv[1][i][1] = my ? s->mv[0][i][1] - p_my + : p_my*(time_pb - time_pp)/time_pp; + } +} + +#undef tab_size +#undef tab_bias + +/** + * + * @return the mb_type + */ +int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my){ + const int mb_index= s->mb_x + s->mb_y*s->mb_stride; + const int colocated_mb_type= s->next_picture.mb_type[mb_index]; + uint16_t time_pp; + uint16_t time_pb; + int i; + + //FIXME avoid divides + // try special case with shifts for 1 and 3 B-frames? + + if(IS_8X8(colocated_mb_type)){ + s->mv_type = MV_TYPE_8X8; + for(i=0; i<4; i++){ + ff_mpeg4_set_one_direct_mv(s, mx, my, i); + } + return MB_TYPE_DIRECT2 | MB_TYPE_8x8 | MB_TYPE_L0L1; + } else if(IS_INTERLACED(colocated_mb_type)){ + s->mv_type = MV_TYPE_FIELD; + for(i=0; i<2; i++){ + int field_select= s->next_picture.ref_index[0][s->block_index[2*i]]; + s->field_select[0][i]= field_select; + s->field_select[1][i]= i; + if(s->top_field_first){ + time_pp= s->pp_field_time - field_select + i; + time_pb= s->pb_field_time - field_select + i; + }else{ + time_pp= s->pp_field_time + field_select - i; + time_pb= s->pb_field_time + field_select - i; + } + s->mv[0][i][0] = s->p_field_mv_table[i][0][mb_index][0]*time_pb/time_pp + mx; + s->mv[0][i][1] = s->p_field_mv_table[i][0][mb_index][1]*time_pb/time_pp + my; + s->mv[1][i][0] = mx ? s->mv[0][i][0] - s->p_field_mv_table[i][0][mb_index][0] + : s->p_field_mv_table[i][0][mb_index][0]*(time_pb - time_pp)/time_pp; + s->mv[1][i][1] = my ? s->mv[0][i][1] - s->p_field_mv_table[i][0][mb_index][1] + : s->p_field_mv_table[i][0][mb_index][1]*(time_pb - time_pp)/time_pp; + } + return MB_TYPE_DIRECT2 | MB_TYPE_16x8 | MB_TYPE_L0L1 | MB_TYPE_INTERLACED; + }else{ + ff_mpeg4_set_one_direct_mv(s, mx, my, 0); + s->mv[0][1][0] = s->mv[0][2][0] = s->mv[0][3][0] = s->mv[0][0][0]; + s->mv[0][1][1] = s->mv[0][2][1] = s->mv[0][3][1] = s->mv[0][0][1]; + s->mv[1][1][0] = s->mv[1][2][0] = s->mv[1][3][0] = s->mv[1][0][0]; + s->mv[1][1][1] = s->mv[1][2][1] = s->mv[1][3][1] = s->mv[1][0][1]; + if((s->avctx->workaround_bugs & FF_BUG_DIRECT_BLOCKSIZE) || !s->quarter_sample) + s->mv_type= MV_TYPE_16X16; + else + s->mv_type= MV_TYPE_8X8; + return MB_TYPE_DIRECT2 | MB_TYPE_16x16 | MB_TYPE_L0L1; //Note see prev line + } +} + diff --git a/libavcodec/mpeg4video.h b/libavcodec/mpeg4video.h index c53200f010..a335fa338a 100644 --- a/libavcodec/mpeg4video.h +++ b/libavcodec/mpeg4video.h @@ -104,6 +104,13 @@ void ff_clean_mpeg4_qscales(MpegEncContext *s); int ff_mpeg4_decode_partitions(MpegEncContext *s); int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s); int mpeg4_decode_video_packet_header(MpegEncContext *s); +void ff_mpeg4_init_direct_mv(MpegEncContext *s); + +/** + * + * @return the mb_type + */ +int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my); extern uint8_t ff_mpeg4_static_rl_table_store[3][2][2*MAX_RUN + MAX_LEVEL + 3]; diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h index 583b52cae9..f748e5e6a3 100644 --- a/libavcodec/mpegvideo.h +++ b/libavcodec/mpegvideo.h @@ -840,8 +840,6 @@ void ff_clean_h263_qscales(MpegEncContext *s); int ff_h263_resync(MpegEncContext *s); const uint8_t *ff_h263_find_resync_marker(const uint8_t *p, const uint8_t *end); int ff_h263_get_gob_height(MpegEncContext *s); -void ff_mpeg4_init_direct_mv(MpegEncContext *s); -int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my); void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code); void ff_init_qscale_tab(MpegEncContext *s); -- cgit v1.2.3