diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c index bc1a77a459..4f10e83059 100644 --- a/libavcodec/svq3.c +++ b/libavcodec/svq3.c @@ -45,7 +45,7 @@ #include "mpegvideo.h" #include "h264.h" -#include "h264data.h" //FIXME FIXME FIXME +#include "h264data.h" // FIXME FIXME FIXME #include "h264_mvpred.h" #include "golomb.h" @@ -78,19 +78,19 @@ typedef struct { #define PREDICT_MODE 4 /* dual scan (from some older h264 draft) - o-->o-->o o - | /| - o o o / o - | / | |/ | - o o o o - / - o-->o-->o-->o -*/ + * o-->o-->o o + * | /| + * o o o / o + * | / | |/ | + * o o o o + * / + * o-->o-->o-->o + */ static const uint8_t svq3_scan[16] = { - 0+0*4, 1+0*4, 2+0*4, 2+1*4, - 2+2*4, 3+0*4, 3+1*4, 3+2*4, - 0+1*4, 0+2*4, 1+1*4, 1+2*4, - 0+3*4, 1+3*4, 2+3*4, 3+3*4, + 0 + 0 * 4, 1 + 0 * 4, 2 + 0 * 4, 2 + 1 * 4, + 2 + 2 * 4, 3 + 0 * 4, 3 + 1 * 4, 3 + 2 * 4, + 0 + 1 * 4, 0 + 2 * 4, 1 + 1 * 4, 1 + 2 * 4, + 0 + 3 * 4, 1 + 3 * 4, 2 + 3 * 4, 3 + 3 * 4, }; static const uint8_t svq3_pred_0[25][2] = { @@ -106,21 +106,24 @@ static const uint8_t svq3_pred_0[25][2] = { }; static const int8_t svq3_pred_1[6][6][5] = { - { { 2,-1,-1,-1,-1 }, { 2, 1,-1,-1,-1 }, { 1, 2,-1,-1,-1 }, - { 2, 1,-1,-1,-1 }, { 1, 2,-1,-1,-1 }, { 1, 2,-1,-1,-1 } }, - { { 0, 2,-1,-1,-1 }, { 0, 2, 1, 4, 3 }, { 0, 1, 2, 4, 3 }, - { 0, 2, 1, 4, 3 }, { 2, 0, 1, 3, 4 }, { 0, 4, 2, 1, 3 } }, - { { 2, 0,-1,-1,-1 }, { 2, 1, 0, 4, 3 }, { 1, 2, 4, 0, 3 }, - { 2, 1, 0, 4, 3 }, { 2, 1, 4, 3, 0 }, { 1, 2, 4, 0, 3 } }, - { { 2, 0,-1,-1,-1 }, { 2, 0, 1, 4, 3 }, { 1, 2, 0, 4, 3 }, - { 2, 1, 0, 4, 3 }, { 2, 1, 3, 4, 0 }, { 2, 4, 1, 0, 3 } }, - { { 0, 2,-1,-1,-1 }, { 0, 2, 1, 3, 4 }, { 1, 2, 3, 0, 4 }, - { 2, 0, 1, 3, 4 }, { 2, 1, 3, 0, 4 }, { 2, 0, 4, 3, 1 } }, - { { 0, 2,-1,-1,-1 }, { 0, 2, 4, 1, 3 }, { 1, 4, 2, 0, 3 }, - { 4, 2, 0, 1, 3 }, { 2, 0, 1, 4, 3 }, { 4, 2, 1, 0, 3 } }, + { { 2, -1, -1, -1, -1 }, { 2, 1, -1, -1, -1 }, { 1, 2, -1, -1, -1 }, + { 2, 1, -1, -1, -1 }, { 1, 2, -1, -1, -1 }, { 1, 2, -1, -1, -1 } }, + { { 0, 2, -1, -1, -1 }, { 0, 2, 1, 4, 3 }, { 0, 1, 2, 4, 3 }, + { 0, 2, 1, 4, 3 }, { 2, 0, 1, 3, 4 }, { 0, 4, 2, 1, 3 } }, + { { 2, 0, -1, -1, -1 }, { 2, 1, 0, 4, 3 }, { 1, 2, 4, 0, 3 }, + { 2, 1, 0, 4, 3 }, { 2, 1, 4, 3, 0 }, { 1, 2, 4, 0, 3 } }, + { { 2, 0, -1, -1, -1 }, { 2, 0, 1, 4, 3 }, { 1, 2, 0, 4, 3 }, + { 2, 1, 0, 4, 3 }, { 2, 1, 3, 4, 0 }, { 2, 4, 1, 0, 3 } }, + { { 0, 2, -1, -1, -1 }, { 0, 2, 1, 3, 4 }, { 1, 2, 3, 0, 4 }, + { 2, 0, 1, 3, 4 }, { 2, 1, 3, 0, 4 }, { 2, 0, 4, 3, 1 } }, + { { 0, 2, -1, -1, -1 }, { 0, 2, 4, 1, 3 }, { 1, 4, 2, 0, 3 }, + { 4, 2, 0, 1, 3 }, { 2, 0, 1, 4, 3 }, { 4, 2, 1, 0, 3 } }, }; -static const struct { uint8_t run; uint8_t level; } svq3_dct_tables[2][16] = { +static const struct { + uint8_t run; + uint8_t level; +} svq3_dct_tables[2][16] = { { { 0, 0 }, { 0, 1 }, { 1, 1 }, { 2, 1 }, { 0, 2 }, { 3, 1 }, { 4, 1 }, { 5, 1 }, { 0, 3 }, { 1, 2 }, { 2, 2 }, { 6, 1 }, { 7, 1 }, { 8, 1 }, { 9, 1 }, { 0, 4 } }, { { 0, 0 }, { 0, 1 }, { 1, 1 }, { 0, 2 }, { 2, 1 }, { 0, 3 }, { 0, 4 }, { 0, 5 }, @@ -128,80 +131,82 @@ static const struct { uint8_t run; uint8_t level; } svq3_dct_tables[2][16] = { }; static const uint32_t svq3_dequant_coeff[32] = { - 3881, 4351, 4890, 5481, 6154, 6914, 7761, 8718, - 9781, 10987, 12339, 13828, 15523, 17435, 19561, 21873, - 24552, 27656, 30847, 34870, 38807, 43747, 49103, 54683, - 61694, 68745, 77615, 89113,100253,109366,126635,141533 + 3881, 4351, 4890, 5481, 6154, 6914, 7761, 8718, + 9781, 10987, 12339, 13828, 15523, 17435, 19561, 21873, + 24552, 27656, 30847, 34870, 38807, 43747, 49103, 54683, + 61694, 68745, 77615, 89113, 100253, 109366, 126635, 141533 }; -void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *output, DCTELEM *input, int qp){ +void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *output, DCTELEM *input, int qp) +{ const int qmul = svq3_dequant_coeff[qp]; #define stride 16 int i; int temp[16]; - static const uint8_t x_offset[4]={0, 1*stride, 4*stride, 5*stride}; + static const uint8_t x_offset[4] = { 0, 1 * stride, 4 * stride, 5 * stride }; - for(i=0; i<4; i++){ - const int z0 = 13*(input[4*i+0] + input[4*i+2]); - const int z1 = 13*(input[4*i+0] - input[4*i+2]); - const int z2 = 7* input[4*i+1] - 17*input[4*i+3]; - const int z3 = 17* input[4*i+1] + 7*input[4*i+3]; + for (i = 0; i < 4; i++) { + const int z0 = 13 * (input[4 * i + 0] + input[4 * i + 2]); + const int z1 = 13 * (input[4 * i + 0] - input[4 * i + 2]); + const int z2 = 7 * input[4 * i + 1] - 17 * input[4 * i + 3]; + const int z3 = 17 * input[4 * i + 1] + 7 * input[4 * i + 3]; - temp[4*i+0] = z0+z3; - temp[4*i+1] = z1+z2; - temp[4*i+2] = z1-z2; - temp[4*i+3] = z0-z3; + temp[4 * i + 0] = z0 + z3; + temp[4 * i + 1] = z1 + z2; + temp[4 * i + 2] = z1 - z2; + temp[4 * i + 3] = z0 - z3; } - for(i=0; i<4; i++){ - const int offset= x_offset[i]; - const int z0= 13*(temp[4*0+i] + temp[4*2+i]); - const int z1= 13*(temp[4*0+i] - temp[4*2+i]); - const int z2= 7* temp[4*1+i] - 17*temp[4*3+i]; - const int z3= 17* temp[4*1+i] + 7*temp[4*3+i]; + for (i = 0; i < 4; i++) { + const int offset = x_offset[i]; + const int z0 = 13 * (temp[4 * 0 + i] + temp[4 * 2 + i]); + const int z1 = 13 * (temp[4 * 0 + i] - temp[4 * 2 + i]); + const int z2 = 7 * temp[4 * 1 + i] - 17 * temp[4 * 3 + i]; + const int z3 = 17 * temp[4 * 1 + i] + 7 * temp[4 * 3 + i]; - output[stride* 0+offset] = ((z0 + z3)*qmul + 0x80000) >> 20; - output[stride* 2+offset] = ((z1 + z2)*qmul + 0x80000) >> 20; - output[stride* 8+offset] = ((z1 - z2)*qmul + 0x80000) >> 20; - output[stride*10+offset] = ((z0 - z3)*qmul + 0x80000) >> 20; + output[stride * 0 + offset] = ((z0 + z3) * qmul + 0x80000) >> 20; + output[stride * 2 + offset] = ((z1 + z2) * qmul + 0x80000) >> 20; + output[stride * 8 + offset] = ((z1 - z2) * qmul + 0x80000) >> 20; + output[stride * 10 + offset] = ((z0 - z3) * qmul + 0x80000) >> 20; } } #undef stride -void ff_svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, - int dc) +void ff_svq3_add_idct_c(uint8_t *dst, DCTELEM *block, + int stride, int qp, int dc) { const int qmul = svq3_dequant_coeff[qp]; int i; if (dc) { - dc = 13*13*((dc == 1) ? 1538*block[0] : ((qmul*(block[0] >> 3)) / 2)); + dc = 13 * 13 * ((dc == 1) ? 1538 * block[0] + : ((qmul * (block[0] >> 3)) / 2)); block[0] = 0; } for (i = 0; i < 4; i++) { - const int z0 = 13*(block[0 + 4*i] + block[2 + 4*i]); - const int z1 = 13*(block[0 + 4*i] - block[2 + 4*i]); - const int z2 = 7* block[1 + 4*i] - 17*block[3 + 4*i]; - const int z3 = 17* block[1 + 4*i] + 7*block[3 + 4*i]; + const int z0 = 13 * (block[0 + 4 * i] + block[2 + 4 * i]); + const int z1 = 13 * (block[0 + 4 * i] - block[2 + 4 * i]); + const int z2 = 7 * block[1 + 4 * i] - 17 * block[3 + 4 * i]; + const int z3 = 17 * block[1 + 4 * i] + 7 * block[3 + 4 * i]; - block[0 + 4*i] = z0 + z3; - block[1 + 4*i] = z1 + z2; - block[2 + 4*i] = z1 - z2; - block[3 + 4*i] = z0 - z3; + block[0 + 4 * i] = z0 + z3; + block[1 + 4 * i] = z1 + z2; + block[2 + 4 * i] = z1 - z2; + block[3 + 4 * i] = z0 - z3; } for (i = 0; i < 4; i++) { - const int z0 = 13*(block[i + 4*0] + block[i + 4*2]); - const int z1 = 13*(block[i + 4*0] - block[i + 4*2]); - const int z2 = 7* block[i + 4*1] - 17*block[i + 4*3]; - const int z3 = 17* block[i + 4*1] + 7*block[i + 4*3]; + const int z0 = 13 * (block[i + 4 * 0] + block[i + 4 * 2]); + const int z1 = 13 * (block[i + 4 * 0] - block[i + 4 * 2]); + const int z2 = 7 * block[i + 4 * 1] - 17 * block[i + 4 * 3]; + const int z3 = 17 * block[i + 4 * 1] + 7 * block[i + 4 * 3]; const int rr = (dc + 0x80000); - dst[i + stride*0] = av_clip_uint8( dst[i + stride*0] + (((z0 + z3)*qmul + rr) >> 20) ); - dst[i + stride*1] = av_clip_uint8( dst[i + stride*1] + (((z1 + z2)*qmul + rr) >> 20) ); - dst[i + stride*2] = av_clip_uint8( dst[i + stride*2] + (((z1 - z2)*qmul + rr) >> 20) ); - dst[i + stride*3] = av_clip_uint8( dst[i + stride*3] + (((z0 - z3)*qmul + rr) >> 20) ); + dst[i + stride * 0] = av_clip_uint8(dst[i + stride * 0] + (((z0 + z3) * qmul + rr) >> 20)); + dst[i + stride * 1] = av_clip_uint8(dst[i + stride * 1] + (((z1 + z2) * qmul + rr) >> 20)); + dst[i + stride * 2] = av_clip_uint8(dst[i + stride * 2] + (((z1 - z2) * qmul + rr) >> 20)); + dst[i + stride * 3] = av_clip_uint8(dst[i + stride * 3] + (((z0 - z3) * qmul + rr) >> 20)); } } @@ -212,46 +217,47 @@ static inline int svq3_decode_block(GetBitContext *gb, DCTELEM *block, { luma_dc_zigzag_scan, zigzag_scan, svq3_scan, chroma_dc_scan }; int run, level, sign, vlc, limit; - const int intra = (3 * type) >> 2; + const int intra = (3 * type) >> 2; const uint8_t *const scan = scan_patterns[type]; for (limit = (16 >> intra); index < 16; index = limit, limit += 8) { for (; (vlc = svq3_get_ue_golomb(gb)) != 0; index++) { + if (vlc == INVALID_VLC) + return -1; - if (vlc == INVALID_VLC) - return -1; + sign = (vlc & 0x1) - 1; + vlc = (vlc + 1) >> 1; - sign = (vlc & 0x1) - 1; - vlc = (vlc + 1) >> 1; + if (type == 3) { + if (vlc < 3) { + run = 0; + level = vlc; + } else if (vlc < 4) { + run = 1; + level = 1; + } else { + run = (vlc & 0x3); + level = ((vlc + 9) >> 2) - run; + } + } else { + if (vlc < 16) { + run = svq3_dct_tables[intra][vlc].run; + level = svq3_dct_tables[intra][vlc].level; + } else if (intra) { + run = (vlc & 0x7); + level = (vlc >> 3) + + ((run == 0) ? 8 : ((run < 2) ? 2 : ((run < 5) ? 0 : -1))); + } else { + run = (vlc & 0xF); + level = (vlc >> 4) + + ((run == 0) ? 4 : ((run < 3) ? 2 : ((run < 10) ? 1 : 0))); + } + } - if (type == 3) { - if (vlc < 3) { - run = 0; - level = vlc; - } else if (vlc < 4) { - run = 1; - level = 1; - } else { - run = (vlc & 0x3); - level = ((vlc + 9) >> 2) - run; - } - } else { - if (vlc < 16) { - run = svq3_dct_tables[intra][vlc].run; - level = svq3_dct_tables[intra][vlc].level; - } else if (intra) { - run = (vlc & 0x7); - level = (vlc >> 3) + ((run == 0) ? 8 : ((run < 2) ? 2 : ((run < 5) ? 0 : -1))); - } else { - run = (vlc & 0xF); - level = (vlc >> 4) + ((run == 0) ? 4 : ((run < 3) ? 2 : ((run < 10) ? 1 : 0))); - } - } + if ((index += run) >= limit) + return -1; - if ((index += run) >= limit) - return -1; - - block[scan[index]] = (level ^ sign) - sign; + block[scan[index]] = (level ^ sign) - sign; } if (type != 2) { @@ -270,35 +276,38 @@ static inline void svq3_mc_dir_part(MpegEncContext *s, const Picture *pic = (dir == 0) ? &s->last_picture : &s->next_picture; uint8_t *src, *dest; int i, emu = 0; - int blocksize = 2 - (width>>3); //16->0, 8->1, 4->2 + int blocksize = 2 - (width >> 3); // 16->0, 8->1, 4->2 mx += x; my += y; if (mx < 0 || mx >= (s->h_edge_pos - width - 1) || my < 0 || my >= (s->v_edge_pos - height - 1)) { - - if ((s->flags & CODEC_FLAG_EMU_EDGE)) { + if ((s->flags & CODEC_FLAG_EMU_EDGE)) emu = 1; - } - mx = av_clip (mx, -16, (s->h_edge_pos - width + 15)); - my = av_clip (my, -16, (s->v_edge_pos - height + 15)); + mx = av_clip(mx, -16, (s->h_edge_pos - width + 15)); + my = av_clip(my, -16, (s->v_edge_pos - height + 15)); } /* form component predictions */ - dest = s->current_picture.f.data[0] + x + y*s->linesize; - src = pic->f.data[0] + mx + my*s->linesize; + dest = s->current_picture.f.data[0] + x + y * s->linesize; + src = pic->f.data[0] + mx + my * s->linesize; if (emu) { - s->dsp.emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, (width + 1), (height + 1), - mx, my, s->h_edge_pos, s->v_edge_pos); + s->dsp.emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, + (width + 1), (height + 1), + mx, my, s->h_edge_pos, s->v_edge_pos); src = s->edge_emu_buffer; } if (thirdpel) - (avg ? s->dsp.avg_tpel_pixels_tab : s->dsp.put_tpel_pixels_tab)[dxy](dest, src, s->linesize, width, height); + (avg ? s->dsp.avg_tpel_pixels_tab + : s->dsp.put_tpel_pixels_tab)[dxy](dest, src, s->linesize, + width, height); else - (avg ? s->dsp.avg_pixels_tab : s->dsp.put_pixels_tab)[blocksize][dxy](dest, src, s->linesize, height); + (avg ? s->dsp.avg_pixels_tab + : s->dsp.put_pixels_tab)[blocksize][dxy](dest, src, s->linesize, + height); if (!(s->flags & CODEC_FLAG_GRAY)) { mx = (mx + (mx < (int) x)) >> 1; @@ -312,36 +321,46 @@ static inline void svq3_mc_dir_part(MpegEncContext *s, src = pic->f.data[i] + mx + my * s->uvlinesize; if (emu) { - s->dsp.emulated_edge_mc(s->edge_emu_buffer, src, s->uvlinesize, (width + 1), (height + 1), - mx, my, (s->h_edge_pos >> 1), (s->v_edge_pos >> 1)); + s->dsp.emulated_edge_mc(s->edge_emu_buffer, src, s->uvlinesize, + (width + 1), (height + 1), + mx, my, (s->h_edge_pos >> 1), + (s->v_edge_pos >> 1)); src = s->edge_emu_buffer; } if (thirdpel) - (avg ? s->dsp.avg_tpel_pixels_tab : s->dsp.put_tpel_pixels_tab)[dxy](dest, src, s->uvlinesize, width, height); + (avg ? s->dsp.avg_tpel_pixels_tab + : s->dsp.put_tpel_pixels_tab)[dxy](dest, src, + s->uvlinesize, + width, height); else - (avg ? s->dsp.avg_pixels_tab : s->dsp.put_pixels_tab)[blocksize][dxy](dest, src, s->uvlinesize, height); + (avg ? s->dsp.avg_pixels_tab + : s->dsp.put_pixels_tab)[blocksize][dxy](dest, src, + s->uvlinesize, + height); } } } -static inline int svq3_mc_dir(H264Context *h, int size, int mode, int dir, - int avg) +static inline int svq3_mc_dir(H264Context *h, int size, int mode, + int dir, int avg) { int i, j, k, mx, my, dx, dy, x, y; - MpegEncContext *const s = (MpegEncContext *) h; - const int part_width = ((size & 5) == 4) ? 4 : 16 >> (size & 1); - const int part_height = 16 >> ((unsigned) (size + 1) / 3); - const int extra_width = (mode == PREDICT_MODE) ? -16*6 : 0; - const int h_edge_pos = 6*(s->h_edge_pos - part_width ) - extra_width; - const int v_edge_pos = 6*(s->v_edge_pos - part_height) - extra_width; + MpegEncContext *const s = (MpegEncContext *)h; + const int part_width = ((size & 5) == 4) ? 4 : 16 >> (size & 1); + const int part_height = 16 >> ((unsigned)(size + 1) / 3); + const int extra_width = (mode == PREDICT_MODE) ? -16 * 6 : 0; + const int h_edge_pos = 6 * (s->h_edge_pos - part_width) - extra_width; + const int v_edge_pos = 6 * (s->v_edge_pos - part_height) - extra_width; - for (i = 0; i < 16; i += part_height) { + for (i = 0; i < 16; i += part_height) for (j = 0; j < 16; j += part_width) { - const int b_xy = (4*s->mb_x + (j >> 2)) + (4*s->mb_y + (i >> 2))*h->b_stride; + const int b_xy = (4 * s->mb_x + (j >> 2)) + + (4 * s->mb_y + (i >> 2)) * h->b_stride; int dxy; - x = 16*s->mb_x + j; - y = 16*s->mb_y + i; - k = ((j >> 2) & 1) + ((i >> 1) & 2) + ((j >> 1) & 4) + (i & 8); + x = 16 * s->mb_x + j; + y = 16 * s->mb_y + i; + k = ((j >> 2) & 1) + ((i >> 1) & 2) + + ((j >> 1) & 4) + (i & 8); if (mode != PREDICT_MODE) { pred_motion(h, k, (part_width >> 2), dir, 1, &mx, &my); @@ -350,17 +369,21 @@ static inline int svq3_mc_dir(H264Context *h, int size, int mode, int dir, my = s->next_picture.f.motion_val[0][b_xy][1] << 1; if (dir == 0) { - mx = ((mx * h->frame_num_offset) / h->prev_frame_num_offset + 1) >> 1; - my = ((my * h->frame_num_offset) / h->prev_frame_num_offset + 1) >> 1; + mx = ((mx * h->frame_num_offset) / + h->prev_frame_num_offset + 1) >> 1; + my = ((my * h->frame_num_offset) / + h->prev_frame_num_offset + 1) >> 1; } else { - mx = ((mx * (h->frame_num_offset - h->prev_frame_num_offset)) / h->prev_frame_num_offset + 1) >> 1; - my = ((my * (h->frame_num_offset - h->prev_frame_num_offset)) / h->prev_frame_num_offset + 1) >> 1; + mx = ((mx * (h->frame_num_offset - h->prev_frame_num_offset)) / + h->prev_frame_num_offset + 1) >> 1; + my = ((my * (h->frame_num_offset - h->prev_frame_num_offset)) / + h->prev_frame_num_offset + 1) >> 1; } } /* clip motion vector prediction to frame border */ - mx = av_clip(mx, extra_width - 6*x, h_edge_pos - 6*x); - my = av_clip(my, extra_width - 6*y, v_edge_pos - 6*y); + mx = av_clip(mx, extra_width - 6 * x, h_edge_pos - 6 * x); + my = av_clip(my, extra_width - 6 * y, v_edge_pos - 6 * y); /* get (optional) motion vector differential */ if (mode == PREDICT_MODE) { @@ -378,49 +401,49 @@ static inline int svq3_mc_dir(H264Context *h, int size, int mode, int dir, /* compute motion vector */ if (mode == THIRDPEL_MODE) { int fx, fy; - mx = ((mx + 1)>>1) + dx; - my = ((my + 1)>>1) + dy; - fx = ((unsigned)(mx + 0x3000))/3 - 0x1000; - fy = ((unsigned)(my + 0x3000))/3 - 0x1000; - dxy = (mx - 3*fx) + 4*(my - 3*fy); + mx = ((mx + 1) >> 1) + dx; + my = ((my + 1) >> 1) + dy; + fx = ((unsigned)(mx + 0x3000)) / 3 - 0x1000; + fy = ((unsigned)(my + 0x3000)) / 3 - 0x1000; + dxy = (mx - 3 * fx) + 4 * (my - 3 * fy); - svq3_mc_dir_part(s, x, y, part_width, part_height, fx, fy, dxy, 1, dir, avg); + svq3_mc_dir_part(s, x, y, part_width, part_height, + fx, fy, dxy, 1, dir, avg); mx += mx; my += my; } else if (mode == HALFPEL_MODE || mode == PREDICT_MODE) { - mx = ((unsigned)(mx + 1 + 0x3000))/3 + dx - 0x1000; - my = ((unsigned)(my + 1 + 0x3000))/3 + dy - 0x1000; - dxy = (mx&1) + 2*(my&1); + mx = ((unsigned)(mx + 1 + 0x3000)) / 3 + dx - 0x1000; + my = ((unsigned)(my + 1 + 0x3000)) / 3 + dy - 0x1000; + dxy = (mx & 1) + 2 * (my & 1); - svq3_mc_dir_part(s, x, y, part_width, part_height, mx>>1, my>>1, dxy, 0, dir, avg); + svq3_mc_dir_part(s, x, y, part_width, part_height, + mx >> 1, my >> 1, dxy, 0, dir, avg); mx *= 3; my *= 3; } else { - mx = ((unsigned)(mx + 3 + 0x6000))/6 + dx - 0x1000; - my = ((unsigned)(my + 3 + 0x6000))/6 + dy - 0x1000; + mx = ((unsigned)(mx + 3 + 0x6000)) / 6 + dx - 0x1000; + my = ((unsigned)(my + 3 + 0x6000)) / 6 + dy - 0x1000; - svq3_mc_dir_part(s, x, y, part_width, part_height, mx, my, 0, 0, dir, avg); + svq3_mc_dir_part(s, x, y, part_width, part_height, + mx, my, 0, 0, dir, avg); mx *= 6; my *= 6; } /* update mv_cache */ if (mode != PREDICT_MODE) { - int32_t mv = pack16to32(mx,my); + int32_t mv = pack16to32(mx, my); if (part_height == 8 && i < 8) { - AV_WN32A(h->mv_cache[dir][scan8[k] + 1*8], mv); + AV_WN32A(h->mv_cache[dir][scan8[k] + 1 * 8], mv); - if (part_width == 8 && j < 8) { - AV_WN32A(h->mv_cache[dir][scan8[k] + 1 + 1*8], mv); - } + if (part_width == 8 && j < 8) + AV_WN32A(h->mv_cache[dir][scan8[k] + 1 + 1 * 8], mv); } - if (part_width == 8 && j < 8) { + if (part_width == 8 && j < 8) AV_WN32A(h->mv_cache[dir][scan8[k] + 1], mv); - } - if (part_width == 4 || part_height == 4) { + if (part_width == 4 || part_height == 4) AV_WN32A(h->mv_cache[dir][scan8[k]], mv); - } } /* write back motion vectors */ @@ -428,7 +451,6 @@ static inline int svq3_mc_dir(H264Context *h, int size, int mode, int dir, part_width >> 2, part_height >> 2, h->b_stride, pack16to32(mx, my), 4); } - } return 0; } @@ -440,21 +462,23 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type) int cbp = 0; uint32_t vlc; int8_t *top, *left; - MpegEncContext *const s = (MpegEncContext *) h; - const int mb_xy = h->mb_xy; - const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride; + MpegEncContext *const s = (MpegEncContext *)h; + const int mb_xy = h->mb_xy; + const int b_xy = 4 * s->mb_x + 4 * s->mb_y * h->b_stride; h->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF; h->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF; h->topright_samples_available = 0xFFFF; if (mb_type == 0) { /* SKIP */ - if (s->pict_type == AV_PICTURE_TYPE_P || s->next_picture.f.mb_type[mb_xy] == -1) { - svq3_mc_dir_part(s, 16*s->mb_x, 16*s->mb_y, 16, 16, 0, 0, 0, 0, 0, 0); + if (s->pict_type == AV_PICTURE_TYPE_P || + s->next_picture.f.mb_type[mb_xy] == -1) { + svq3_mc_dir_part(s, 16 * s->mb_x, 16 * s->mb_y, 16, 16, + 0, 0, 0, 0, 0, 0); - if (s->pict_type == AV_PICTURE_TYPE_B) { - svq3_mc_dir_part(s, 16*s->mb_x, 16*s->mb_y, 16, 16, 0, 0, 0, 0, 1, 1); - } + if (s->pict_type == AV_PICTURE_TYPE_B) + svq3_mc_dir_part(s, 16 * s->mb_x, 16 * s->mb_y, 16, 16, + 0, 0, 0, 0, 1, 1); mb_type = MB_TYPE_SKIP; } else { @@ -467,51 +491,57 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type) mb_type = MB_TYPE_16x16; } } else if (mb_type < 8) { /* INTER */ - if (svq3->thirdpel_flag && svq3->halfpel_flag == !get_bits1 (&s->gb)) { + if (svq3->thirdpel_flag && svq3->halfpel_flag == !get_bits1(&s->gb)) mode = THIRDPEL_MODE; - } else if (svq3->halfpel_flag && svq3->thirdpel_flag == !get_bits1 (&s->gb)) { + else if (svq3->halfpel_flag && + svq3->thirdpel_flag == !get_bits1(&s->gb)) mode = HALFPEL_MODE; - } else { + else mode = FULLPEL_MODE; - } /* fill caches */ /* note ref_cache should contain here: - ???????? - ???11111 - N??11111 - N??11111 - N??11111 - */ + * ???????? + * ???11111 + * N??11111 + * N??11111 + * N??11111 + */ for (m = 0; m < 2; m++) { - if (s->mb_x > 0 && h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1]+6] != -1) { - for (i = 0; i < 4; i++) { - AV_COPY32(h->mv_cache[m][scan8[0] - 1 + i*8], s->current_picture.f.motion_val[m][b_xy - 1 + i*h->b_stride]); - } + if (s->mb_x > 0 && h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1] + 6] != -1) { + for (i = 0; i < 4; i++) + AV_COPY32(h->mv_cache[m][scan8[0] - 1 + i * 8], + s->current_picture.f.motion_val[m][b_xy - 1 + i * h->b_stride]); } else { - for (i = 0; i < 4; i++) { - AV_ZERO32(h->mv_cache[m][scan8[0] - 1 + i*8]); - } + for (i = 0; i < 4; i++) + AV_ZERO32(h->mv_cache[m][scan8[0] - 1 + i * 8]); } if (s->mb_y > 0) { - memcpy(h->mv_cache[m][scan8[0] - 1*8], s->current_picture.f.motion_val[m][b_xy - h->b_stride], 4*2*sizeof(int16_t)); - memset(&h->ref_cache[m][scan8[0] - 1*8], (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1, 4); + memcpy(h->mv_cache[m][scan8[0] - 1 * 8], + s->current_picture.f.motion_val[m][b_xy - h->b_stride], + 4 * 2 * sizeof(int16_t)); + memset(&h->ref_cache[m][scan8[0] - 1 * 8], + (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1, 4); if (s->mb_x < (s->mb_width - 1)) { - AV_COPY32(h->mv_cache[m][scan8[0] + 4 - 1*8], s->current_picture.f.motion_val[m][b_xy - h->b_stride + 4]); - h->ref_cache[m][scan8[0] + 4 - 1*8] = - (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride + 1]+6] == -1 || - h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride ] ] == -1) ? PART_NOT_AVAILABLE : 1; - }else - h->ref_cache[m][scan8[0] + 4 - 1*8] = PART_NOT_AVAILABLE; + AV_COPY32(h->mv_cache[m][scan8[0] + 4 - 1 * 8], + s->current_picture.f.motion_val[m][b_xy - h->b_stride + 4]); + h->ref_cache[m][scan8[0] + 4 - 1 * 8] = + (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride + 1] + 6] == -1 || + h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1; + } else + h->ref_cache[m][scan8[0] + 4 - 1 * 8] = PART_NOT_AVAILABLE; if (s->mb_x > 0) { - AV_COPY32(h->mv_cache[m][scan8[0] - 1 - 1*8], s->current_picture.f.motion_val[m][b_xy - h->b_stride - 1]); - h->ref_cache[m][scan8[0] - 1 - 1*8] = (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride - 1]+3] == -1) ? PART_NOT_AVAILABLE : 1; - }else - h->ref_cache[m][scan8[0] - 1 - 1*8] = PART_NOT_AVAILABLE; - }else - memset(&h->ref_cache[m][scan8[0] - 1*8 - 1], PART_NOT_AVAILABLE, 8); + AV_COPY32(h->mv_cache[m][scan8[0] - 1 - 1 * 8], + s->current_picture.f.motion_val[m][b_xy - h->b_stride - 1]); + h->ref_cache[m][scan8[0] - 1 - 1 * 8] = + (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride - 1] + 3] == -1) ? PART_NOT_AVAILABLE : 1; + } else + h->ref_cache[m][scan8[0] - 1 - 1 * 8] = PART_NOT_AVAILABLE; + } else + memset(&h->ref_cache[m][scan8[0] - 1 * 8 - 1], + PART_NOT_AVAILABLE, 8); if (s->pict_type != AV_PICTURE_TYPE_B) break; @@ -522,72 +552,66 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type) if (svq3_mc_dir(h, (mb_type - 1), mode, 0, 0) < 0) return -1; } else { /* AV_PICTURE_TYPE_B */ - if (mb_type != 2) { + if (mb_type != 2) if (svq3_mc_dir(h, 0, mode, 0, 0) < 0) return -1; - } else { - for (i = 0; i < 4; i++) { - memset(s->current_picture.f.motion_val[0][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t)); - } - } - if (mb_type != 1) { + else + for (i = 0; i < 4; i++) + memset(s->current_picture.f.motion_val[0][b_xy + i * h->b_stride], + 0, 4 * 2 * sizeof(int16_t)); + if (mb_type != 1) if (svq3_mc_dir(h, 0, mode, 1, (mb_type == 3)) < 0) return -1; - } else { - for (i = 0; i < 4; i++) { - memset(s->current_picture.f.motion_val[1][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t)); - } - } + else + for (i = 0; i < 4; i++) + memset(s->current_picture.f.motion_val[1][b_xy + i * h->b_stride], + 0, 4 * 2 * sizeof(int16_t)); } mb_type = MB_TYPE_16x16; } else if (mb_type == 8 || mb_type == 33) { /* INTRA4x4 */ - memset(h->intra4x4_pred_mode_cache, -1, 8*5*sizeof(int8_t)); + memset(h->intra4x4_pred_mode_cache, -1, 8 * 5 * sizeof(int8_t)); if (mb_type == 8) { if (s->mb_x > 0) { - for (i = 0; i < 4; i++) { - h->intra4x4_pred_mode_cache[scan8[0] - 1 + i*8] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1]+6-i]; - } - if (h->intra4x4_pred_mode_cache[scan8[0] - 1] == -1) { + for (i = 0; i < 4; i++) + h->intra4x4_pred_mode_cache[scan8[0] - 1 + i * 8] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1] + 6 - i]; + if (h->intra4x4_pred_mode_cache[scan8[0] - 1] == -1) h->left_samples_available = 0x5F5F; - } } if (s->mb_y > 0) { - h->intra4x4_pred_mode_cache[4+8*0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]+0]; - h->intra4x4_pred_mode_cache[5+8*0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]+1]; - h->intra4x4_pred_mode_cache[6+8*0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]+2]; - h->intra4x4_pred_mode_cache[7+8*0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]+3]; + h->intra4x4_pred_mode_cache[4 + 8 * 0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride] + 0]; + h->intra4x4_pred_mode_cache[5 + 8 * 0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride] + 1]; + h->intra4x4_pred_mode_cache[6 + 8 * 0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride] + 2]; + h->intra4x4_pred_mode_cache[7 + 8 * 0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride] + 3]; - if (h->intra4x4_pred_mode_cache[4+8*0] == -1) { + if (h->intra4x4_pred_mode_cache[4 + 8 * 0] == -1) h->top_samples_available = 0x33FF; - } } /* decode prediction codes for luma blocks */ - for (i = 0; i < 16; i+=2) { + for (i = 0; i < 16; i += 2) { vlc = svq3_get_ue_golomb(&s->gb); - if (vlc >= 25){ + if (vlc >= 25) { av_log(h->s.avctx, AV_LOG_ERROR, "luma prediction:%d\n", vlc); return -1; } - left = &h->intra4x4_pred_mode_cache[scan8[i] - 1]; - top = &h->intra4x4_pred_mode_cache[scan8[i] - 8]; + left = &h->intra4x4_pred_mode_cache[scan8[i] - 1]; + top = &h->intra4x4_pred_mode_cache[scan8[i] - 8]; left[1] = svq3_pred_1[top[0] + 1][left[0] + 1][svq3_pred_0[vlc][0]]; left[2] = svq3_pred_1[top[1] + 1][left[1] + 1][svq3_pred_0[vlc][1]]; - if (left[1] == -1 || left[2] == -1){ + if (left[1] == -1 || left[2] == -1) { av_log(h->s.avctx, AV_LOG_ERROR, "weird prediction\n"); return -1; } } } else { /* mb_type == 33, DC_128_PRED block type */ - for (i = 0; i < 4; i++) { - memset(&h->intra4x4_pred_mode_cache[scan8[0] + 8*i], DC_PRED, 4); - } + for (i = 0; i < 4; i++) + memset(&h->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_PRED, 4); } write_back_intra_pred_mode(h); @@ -598,9 +622,8 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type) h->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF; h->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF; } else { - for (i = 0; i < 4; i++) { - memset(&h->intra4x4_pred_mode_cache[scan8[0] + 8*i], DC_128_PRED, 4); - } + for (i = 0; i < 4; i++) + memset(&h->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_128_PRED, 4); h->top_samples_available = 0x33FF; h->left_samples_available = 0x5F5F; @@ -609,95 +632,102 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type) mb_type = MB_TYPE_INTRA4x4; } else { /* INTRA16x16 */ dir = i_mb_type_info[mb_type - 8].pred_mode; - dir = (dir >> 1) ^ 3*(dir & 1) ^ 1; + dir = (dir >> 1) ^ 3 * (dir & 1) ^ 1; - if ((h->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h, dir, 0)) == -1){ + if ((h->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h, dir, 0)) == -1) { av_log(h->s.avctx, AV_LOG_ERROR, "check_intra_pred_mode = -1\n"); return -1; } - cbp = i_mb_type_info[mb_type - 8].cbp; + cbp = i_mb_type_info[mb_type - 8].cbp; mb_type = MB_TYPE_INTRA16x16; } if (!IS_INTER(mb_type) && s->pict_type != AV_PICTURE_TYPE_I) { - for (i = 0; i < 4; i++) { - memset(s->current_picture.f.motion_val[0][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t)); - } + for (i = 0; i < 4; i++) + memset(s->current_picture.f.motion_val[0][b_xy + i * h->b_stride], + 0, 4 * 2 * sizeof(int16_t)); if (s->pict_type == AV_PICTURE_TYPE_B) { - for (i = 0; i < 4; i++) { - memset(s->current_picture.f.motion_val[1][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t)); - } + for (i = 0; i < 4; i++) + memset(s->current_picture.f.motion_val[1][b_xy + i * h->b_stride], + 0, 4 * 2 * sizeof(int16_t)); } } if (!IS_INTRA4x4(mb_type)) { - memset(h->intra4x4_pred_mode+h->mb2br_xy[mb_xy], DC_PRED, 8); + memset(h->intra4x4_pred_mode + h->mb2br_xy[mb_xy], DC_PRED, 8); } if (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B) { - memset(h->non_zero_count_cache + 8, 0, 14*8*sizeof(uint8_t)); - s->dsp.clear_blocks(h->mb+ 0); - s->dsp.clear_blocks(h->mb+384); + memset(h->non_zero_count_cache + 8, 0, 14 * 8 * sizeof(uint8_t)); + s->dsp.clear_blocks(h->mb + 0); + s->dsp.clear_blocks(h->mb + 384); } - if (!IS_INTRA16x16(mb_type) && (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B)) { - if ((vlc = svq3_get_ue_golomb(&s->gb)) >= 48){ + if (!IS_INTRA16x16(mb_type) && + (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B)) { + if ((vlc = svq3_get_ue_golomb(&s->gb)) >= 48) { av_log(h->s.avctx, AV_LOG_ERROR, "cbp_vlc=%d\n", vlc); return -1; } - cbp = IS_INTRA(mb_type) ? golomb_to_intra4x4_cbp[vlc] : golomb_to_inter_cbp[vlc]; + cbp = IS_INTRA(mb_type) ? golomb_to_intra4x4_cbp[vlc] + : golomb_to_inter_cbp[vlc]; } - if (IS_INTRA16x16(mb_type) || (s->pict_type != AV_PICTURE_TYPE_I && s->adaptive_quant && cbp)) { + if (IS_INTRA16x16(mb_type) || + (s->pict_type != AV_PICTURE_TYPE_I && s->adaptive_quant && cbp)) { s->qscale += svq3_get_se_golomb(&s->gb); - if (s->qscale > 31u){ + if (s->qscale > 31u) { av_log(h->s.avctx, AV_LOG_ERROR, "qscale:%d\n", s->qscale); return -1; } } if (IS_INTRA16x16(mb_type)) { - AV_ZERO128(h->mb_luma_dc[0]+0); - AV_ZERO128(h->mb_luma_dc[0]+8); - if (svq3_decode_block(&s->gb, h->mb_luma_dc[0], 0, 1)){ - av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding intra luma dc\n"); + AV_ZERO128(h->mb_luma_dc[0] + 0); + AV_ZERO128(h->mb_luma_dc[0] + 8); + if (svq3_decode_block(&s->gb, h->mb_luma_dc[0], 0, 1)) { + av_log(h->s.avctx, AV_LOG_ERROR, + "error while decoding intra luma dc\n"); return -1; } } if (cbp) { const int index = IS_INTRA16x16(mb_type) ? 1 : 0; - const int type = ((s->qscale < 24 && IS_INTRA4x4(mb_type)) ? 2 : 1); + const int type = ((s->qscale < 24 && IS_INTRA4x4(mb_type)) ? 2 : 1); - for (i = 0; i < 4; i++) { + for (i = 0; i < 4; i++) if ((cbp & (1 << i))) { for (j = 0; j < 4; j++) { - k = index ? ((j&1) + 2*(i&1) + 2*(j&2) + 4*(i&2)) : (4*i + j); - h->non_zero_count_cache[ scan8[k] ] = 1; + k = index ? (1 * (j & 1) + 2 * (i & 1) + + 2 * (j & 2) + 4 * (i & 2)) + : (4 * i + j); + h->non_zero_count_cache[scan8[k]] = 1; - if (svq3_decode_block(&s->gb, &h->mb[16*k], index, type)){ - av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding block\n"); + if (svq3_decode_block(&s->gb, &h->mb[16 * k], index, type)) { + av_log(h->s.avctx, AV_LOG_ERROR, + "error while decoding block\n"); return -1; } } } - } if ((cbp & 0x30)) { - for (i = 1; i < 3; ++i) { - if (svq3_decode_block(&s->gb, &h->mb[16*16*i], 0, 3)){ - av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding chroma dc block\n"); - return -1; - } - } + for (i = 1; i < 3; ++i) + if (svq3_decode_block(&s->gb, &h->mb[16 * 16 * i], 0, 3)) { + av_log(h->s.avctx, AV_LOG_ERROR, + "error while decoding chroma dc block\n"); + return -1; + } if ((cbp & 0x20)) { for (i = 1; i < 3; i++) { for (j = 0; j < 4; j++) { - k = 16*i + j; - h->non_zero_count_cache[ scan8[k] ] = 1; + k = 16 * i + j; + h->non_zero_count_cache[scan8[k]] = 1; - if (svq3_decode_block(&s->gb, &h->mb[16*k], 1, 1)){ - av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding chroma ac block\n"); + if (svq3_decode_block(&s->gb, &h->mb[16 * k], 1, 1)) { + av_log(h->s.avctx, AV_LOG_ERROR, + "error while decoding chroma ac block\n"); return -1; } } @@ -706,12 +736,11 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type) } } - h->cbp= cbp; + h->cbp = cbp; s->current_picture.f.mb_type[mb_xy] = mb_type; - if (IS_INTRA(mb_type)) { + if (IS_INTRA(mb_type)) h->chroma_pred_mode = ff_h264_check_intra_pred_mode(h, DC_PRED8x8, 1); - } return 0; } @@ -719,9 +748,9 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type) static int svq3_decode_slice_header(AVCodecContext *avctx) { SVQ3Context *svq3 = avctx->priv_data; - H264Context *h = &svq3->h; + H264Context *h = &svq3->h; MpegEncContext *s = &h->s; - const int mb_xy = h->mb_xy; + const int mb_xy = h->mb_xy; int i, header; header = get_bits(&s->gb, 8); @@ -733,19 +762,22 @@ static int svq3_decode_slice_header(AVCodecContext *avctx) } else { int length = (header >> 5) & 3; - svq3->next_slice_index = get_bits_count(&s->gb) + 8*show_bits(&s->gb, 8*length) + 8*length; + svq3->next_slice_index = get_bits_count(&s->gb) + + 8 * show_bits(&s->gb, 8 * length) + + 8 * length; if (svq3->next_slice_index > s->gb.size_in_bits) { av_log(avctx, AV_LOG_ERROR, "slice after bitstream end\n"); return -1; - } + } - s->gb.size_in_bits = svq3->next_slice_index - 8*(length - 1); + s->gb.size_in_bits = svq3->next_slice_index - 8 * (length - 1); skip_bits(&s->gb, 8); if (svq3->watermark_key) { - uint32_t header = AV_RL32(&s->gb.buffer[(get_bits_count(&s->gb)>>3)+1]); - AV_WL32(&s->gb.buffer[(get_bits_count(&s->gb)>>3)+1], header ^ svq3->watermark_key); + uint32_t header = AV_RL32(&s->gb.buffer[(get_bits_count(&s->gb) >> 3) + 1]); + AV_WL32(&s->gb.buffer[(get_bits_count(&s->gb) >> 3) + 1], + header ^ svq3->watermark_key); } if (length > 0) { memcpy((uint8_t *) &s->gb.buffer[get_bits_count(&s->gb) >> 3], @@ -754,7 +786,7 @@ static int svq3_decode_slice_header(AVCodecContext *avctx) skip_bits_long(&s->gb, 0); } - if ((i = svq3_get_ue_golomb(&s->gb)) == INVALID_VLC || i >= 3){ + if ((i = svq3_get_ue_golomb(&s->gb)) == INVALID_VLC || i >= 3) { av_log(h->s.avctx, AV_LOG_ERROR, "illegal slice type %d \n", i); return -1; } @@ -762,42 +794,43 @@ static int svq3_decode_slice_header(AVCodecContext *avctx) h->slice_type = golomb_to_pict_type[i]; if ((header & 0x9F) == 2) { - i = (s->mb_num < 64) ? 6 : (1 + av_log2 (s->mb_num - 1)); - s->mb_skip_run = get_bits(&s->gb, i) - (s->mb_x + (s->mb_y * s->mb_width)); + i = (s->mb_num < 64) ? 6 : (1 + av_log2(s->mb_num - 1)); + s->mb_skip_run = get_bits(&s->gb, i) - + (s->mb_x + (s->mb_y * s->mb_width)); } else { skip_bits1(&s->gb); s->mb_skip_run = 0; } - h->slice_num = get_bits(&s->gb, 8); - s->qscale = get_bits(&s->gb, 5); + h->slice_num = get_bits(&s->gb, 8); + s->qscale = get_bits(&s->gb, 5); s->adaptive_quant = get_bits1(&s->gb); /* unknown fields */ skip_bits1(&s->gb); - if (svq3->unknown_flag) { + if (svq3->unknown_flag) skip_bits1(&s->gb); - } skip_bits1(&s->gb); skip_bits(&s->gb, 2); - while (get_bits1(&s->gb)) { + while (get_bits1(&s->gb)) skip_bits(&s->gb, 8); - } /* reset intra predictors and invalidate motion vector references */ if (s->mb_x > 0) { - memset(h->intra4x4_pred_mode+h->mb2br_xy[mb_xy - 1 ]+3, -1, 4*sizeof(int8_t)); - memset(h->intra4x4_pred_mode+h->mb2br_xy[mb_xy - s->mb_x] , -1, 8*sizeof(int8_t)*s->mb_x); + memset(h->intra4x4_pred_mode + h->mb2br_xy[mb_xy - 1] + 3, + -1, 4 * sizeof(int8_t)); + memset(h->intra4x4_pred_mode + h->mb2br_xy[mb_xy - s->mb_x], + -1, 8 * sizeof(int8_t) * s->mb_x); } if (s->mb_y > 0) { - memset(h->intra4x4_pred_mode+h->mb2br_xy[mb_xy - s->mb_stride], -1, 8*sizeof(int8_t)*(s->mb_width - s->mb_x)); + memset(h->intra4x4_pred_mode + h->mb2br_xy[mb_xy - s->mb_stride], + -1, 8 * sizeof(int8_t) * (s->mb_width - s->mb_x)); - if (s->mb_x > 0) { - h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride - 1]+3] = -1; - } + if (s->mb_x > 0) + h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride - 1] + 3] = -1; } return 0; @@ -806,7 +839,7 @@ static int svq3_decode_slice_header(AVCodecContext *avctx) static av_cold int svq3_decode_init(AVCodecContext *avctx) { SVQ3Context *svq3 = avctx->priv_data; - H264Context *h = &svq3->h; + H264Context *h = &svq3->h; MpegEncContext *s = &h->s; int m; unsigned char *extradata; @@ -817,11 +850,11 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx) if (ff_h264_decode_init(avctx) < 0) return -1; - s->flags = avctx->flags; - s->flags2 = avctx->flags2; + s->flags = avctx->flags; + s->flags2 = avctx->flags2; s->unrestricted_mv = 1; - h->is_complex=1; - avctx->pix_fmt = avctx->codec->pix_fmts[0]; + h->is_complex = 1; + avctx->pix_fmt = avctx->codec->pix_fmts[0]; if (!s->context_initialized) { h->chroma_qp[0] = h->chroma_qp[1] = 4; @@ -831,7 +864,7 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx) svq3->unknown_flag = 0; /* prowl for the "SEQH" marker in the extradata */ - extradata = (unsigned char *)avctx->extradata; + extradata = (unsigned char *)avctx->extradata; extradata_end = avctx->extradata + avctx->extradata_size; if (extradata) { for (m = 0; m + 8 < avctx->extradata_size; m++) { @@ -845,29 +878,49 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx) /* if a match was found, parse the extra data */ if (marker_found) { - GetBitContext gb; int frame_size_code; size = AV_RB32(&extradata[4]); if (size > extradata_end - extradata - 8) return AVERROR_INVALIDDATA; - init_get_bits(&gb, extradata + 8, size*8); + init_get_bits(&gb, extradata + 8, size * 8); /* 'frame size code' and optional 'width, height' */ frame_size_code = get_bits(&gb, 3); switch (frame_size_code) { - case 0: avctx->width = 160; avctx->height = 120; break; - case 1: avctx->width = 128; avctx->height = 96; break; - case 2: avctx->width = 176; avctx->height = 144; break; - case 3: avctx->width = 352; avctx->height = 288; break; - case 4: avctx->width = 704; avctx->height = 576; break; - case 5: avctx->width = 240; avctx->height = 180; break; - case 6: avctx->width = 320; avctx->height = 240; break; - case 7: - avctx->width = get_bits(&gb, 12); - avctx->height = get_bits(&gb, 12); - break; + case 0: + avctx->width = 160; + avctx->height = 120; + break; + case 1: + avctx->width = 128; + avctx->height = 96; + break; + case 2: + avctx->width = 176; + avctx->height = 144; + break; + case 3: + avctx->width = 352; + avctx->height = 288; + break; + case 4: + avctx->width = 704; + avctx->height = 576; + break; + case 5: + avctx->width = 240; + avctx->height = 180; + break; + case 6: + avctx->width = 320; + avctx->height = 240; + break; + case 7: + avctx->width = get_bits(&gb, 12); + avctx->height = get_bits(&gb, 12); + break; } svq3->halfpel_flag = get_bits1(&gb); @@ -884,41 +937,49 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx) /* unknown field */ skip_bits1(&gb); - while (get_bits1(&gb)) { + while (get_bits1(&gb)) skip_bits(&gb, 8); - } - svq3->unknown_flag = get_bits1(&gb); + svq3->unknown_flag = get_bits1(&gb); avctx->has_b_frames = !s->low_delay; if (svq3->unknown_flag) { #if CONFIG_ZLIB unsigned watermark_width = svq3_get_ue_golomb(&gb); unsigned watermark_height = svq3_get_ue_golomb(&gb); - int u1 = svq3_get_ue_golomb(&gb); - int u2 = get_bits(&gb, 8); - int u3 = get_bits(&gb, 2); - int u4 = svq3_get_ue_golomb(&gb); - unsigned long buf_len = watermark_width*watermark_height*4; - int offset = (get_bits_count(&gb)+7)>>3; + int u1 = svq3_get_ue_golomb(&gb); + int u2 = get_bits(&gb, 8); + int u3 = get_bits(&gb, 2); + int u4 = svq3_get_ue_golomb(&gb); + unsigned long buf_len = watermark_width * + watermark_height * 4; + int offset = (get_bits_count(&gb) + 7) >> 3; uint8_t *buf; - if ((uint64_t)watermark_width*4 > UINT_MAX/watermark_height) + if ((uint64_t)watermark_width * 4 > UINT_MAX / watermark_height) return -1; buf = av_malloc(buf_len); - av_log(avctx, AV_LOG_DEBUG, "watermark size: %dx%d\n", watermark_width, watermark_height); - av_log(avctx, AV_LOG_DEBUG, "u1: %x u2: %x u3: %x compressed data size: %d offset: %d\n", u1, u2, u3, u4, offset); - if (uncompress(buf, &buf_len, extradata + 8 + offset, size - offset) != Z_OK) { - av_log(avctx, AV_LOG_ERROR, "could not uncompress watermark logo\n"); + av_log(avctx, AV_LOG_DEBUG, "watermark size: %dx%d\n", + watermark_width, watermark_height); + av_log(avctx, AV_LOG_DEBUG, + "u1: %x u2: %x u3: %x compressed data size: %d offset: %d\n", + u1, u2, u3, u4, offset); + if (uncompress(buf, &buf_len, extradata + 8 + offset, + size - offset) != Z_OK) { + av_log(avctx, AV_LOG_ERROR, + "could not uncompress watermark logo\n"); av_free(buf); return -1; } svq3->watermark_key = ff_svq1_packet_checksum(buf, buf_len, 0); - svq3->watermark_key = svq3->watermark_key << 16 | svq3->watermark_key; - av_log(avctx, AV_LOG_DEBUG, "watermark key %#x\n", svq3->watermark_key); + svq3->watermark_key = svq3->watermark_key << 16 | + svq3->watermark_key; + av_log(avctx, AV_LOG_DEBUG, + "watermark key %#x\n", svq3->watermark_key); av_free(buf); #else - av_log(avctx, AV_LOG_ERROR, "this svq3 file contains watermark which need zlib support compiled in\n"); + av_log(avctx, AV_LOG_ERROR, + "this svq3 file contains watermark which need zlib support compiled in\n"); return -1; #endif } @@ -930,7 +991,7 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx) if (ff_MPV_common_init(s) < 0) return -1; - h->b_stride = 4*s->mb_width; + h->b_stride = 4 * s->mb_width; if (ff_h264_alloc_tables(h) < 0) { av_log(avctx, AV_LOG_ERROR, "svq3 memory allocation failed\n"); @@ -941,15 +1002,14 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx) return 0; } -static int svq3_decode_frame(AVCodecContext *avctx, - void *data, int *data_size, - AVPacket *avpkt) +static int svq3_decode_frame(AVCodecContext *avctx, void *data, + int *data_size, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; - SVQ3Context *svq3 = avctx->priv_data; - H264Context *h = &svq3->h; - MpegEncContext *s = &h->s; - int buf_size = avpkt->size; + SVQ3Context *svq3 = avctx->priv_data; + H264Context *h = &svq3->h; + MpegEncContext *s = &h->s; + int buf_size = avpkt->size; int m, mb_type; /* special case for last picture */ @@ -957,26 +1017,27 @@ static int svq3_decode_frame(AVCodecContext *avctx, if (s->next_picture_ptr && !s->low_delay) { *(AVFrame *) data = s->next_picture.f; s->next_picture_ptr = NULL; - *data_size = sizeof(AVFrame); + *data_size = sizeof(AVFrame); } return 0; } - init_get_bits (&s->gb, buf, 8*buf_size); + init_get_bits(&s->gb, buf, 8 * buf_size); s->mb_x = s->mb_y = h->mb_xy = 0; if (svq3_decode_slice_header(avctx)) return -1; - s->pict_type = h->slice_type; + s->pict_type = h->slice_type; s->picture_number = h->slice_num; - if (avctx->debug&FF_DEBUG_PICT_INFO){ - av_log(h->s.avctx, AV_LOG_DEBUG, "%c hpel:%d, tpel:%d aqp:%d qp:%d, slice_num:%02X\n", - av_get_picture_type_char(s->pict_type), svq3->halfpel_flag, svq3->thirdpel_flag, + if (avctx->debug & FF_DEBUG_PICT_INFO) + av_log(h->s.avctx, AV_LOG_DEBUG, + "%c hpel:%d, tpel:%d aqp:%d qp:%d, slice_num:%02X\n", + av_get_picture_type_char(s->pict_type), + svq3->halfpel_flag, svq3->thirdpel_flag, s->adaptive_quant, s->qscale, h->slice_num); - } /* for skipping the frame */ s->current_picture.f.pict_type = s->pict_type; @@ -985,9 +1046,9 @@ static int svq3_decode_frame(AVCodecContext *avctx, /* Skip B-frames if we do not have reference frames. */ if (s->last_picture_ptr == NULL && s->pict_type == AV_PICTURE_TYPE_B) return 0; - if ( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B) - ||(avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I) - || avctx->skip_frame >= AVDISCARD_ALL) + if ((avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B) || + (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I) || + avctx->skip_frame >= AVDISCARD_ALL) return 0; if (s->next_p_frame_damaged) { @@ -1003,43 +1064,42 @@ static int svq3_decode_frame(AVCodecContext *avctx, if (s->pict_type == AV_PICTURE_TYPE_B) { h->frame_num_offset = (h->slice_num - h->prev_frame_num); - if (h->frame_num_offset < 0) { + if (h->frame_num_offset < 0) h->frame_num_offset += 256; - } - if (h->frame_num_offset == 0 || h->frame_num_offset >= h->prev_frame_num_offset) { + if (h->frame_num_offset == 0 || + h->frame_num_offset >= h->prev_frame_num_offset) { av_log(h->s.avctx, AV_LOG_ERROR, "error in B-frame picture id\n"); return -1; } } else { - h->prev_frame_num = h->frame_num; - h->frame_num = h->slice_num; + h->prev_frame_num = h->frame_num; + h->frame_num = h->slice_num; h->prev_frame_num_offset = (h->frame_num - h->prev_frame_num); - if (h->prev_frame_num_offset < 0) { + if (h->prev_frame_num_offset < 0) h->prev_frame_num_offset += 256; - } } - for (m = 0; m < 2; m++){ + for (m = 0; m < 2; m++) { int i; - for (i = 0; i < 4; i++){ + for (i = 0; i < 4; i++) { int j; for (j = -1; j < 4; j++) - h->ref_cache[m][scan8[0] + 8*i + j]= 1; + h->ref_cache[m][scan8[0] + 8 * i + j] = 1; if (i < 3) - h->ref_cache[m][scan8[0] + 8*i + j]= PART_NOT_AVAILABLE; + h->ref_cache[m][scan8[0] + 8 * i + j] = PART_NOT_AVAILABLE; } } for (s->mb_y = 0; s->mb_y < s->mb_height; s->mb_y++) { for (s->mb_x = 0; s->mb_x < s->mb_width; s->mb_x++) { - h->mb_xy = s->mb_x + s->mb_y*s->mb_stride; - - if ( (get_bits_count(&s->gb) + 7) >= s->gb.size_in_bits && - ((get_bits_count(&s->gb) & 7) == 0 || show_bits(&s->gb, (-get_bits_count(&s->gb) & 7)) == 0)) { + h->mb_xy = s->mb_x + s->mb_y * s->mb_stride; + if ((get_bits_count(&s->gb) + 7) >= s->gb.size_in_bits && + ((get_bits_count(&s->gb) & 7) == 0 || + show_bits(&s->gb, (-get_bits_count(&s->gb) & 7)) == 0)) { skip_bits(&s->gb, svq3->next_slice_index - get_bits_count(&s->gb)); - s->gb.size_in_bits = 8*buf_size; + s->gb.size_in_bits = 8 * buf_size; if (svq3_decode_slice_header(avctx)) return -1; @@ -1049,41 +1109,37 @@ static int svq3_decode_frame(AVCodecContext *avctx, mb_type = svq3_get_ue_golomb(&s->gb); - if (s->pict_type == AV_PICTURE_TYPE_I) { + if (s->pict_type == AV_PICTURE_TYPE_I) mb_type += 8; - } else if (s->pict_type == AV_PICTURE_TYPE_B && mb_type >= 4) { + else if (s->pict_type == AV_PICTURE_TYPE_B && mb_type >= 4) mb_type += 4; - } if ((unsigned)mb_type > 33 || svq3_decode_mb(svq3, mb_type)) { - av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y); + av_log(h->s.avctx, AV_LOG_ERROR, + "error while decoding MB %d %d\n", s->mb_x, s->mb_y); return -1; } - if (mb_type != 0) { - ff_h264_hl_decode_mb (h); - } + if (mb_type != 0) + ff_h264_hl_decode_mb(h); - if (s->pict_type != AV_PICTURE_TYPE_B && !s->low_delay) { + if (s->pict_type != AV_PICTURE_TYPE_B && !s->low_delay) s->current_picture.f.mb_type[s->mb_x + s->mb_y * s->mb_stride] = (s->pict_type == AV_PICTURE_TYPE_P && mb_type < 8) ? (mb_type - 1) : -1; - } } - ff_draw_horiz_band(s, 16*s->mb_y, 16); + ff_draw_horiz_band(s, 16 * s->mb_y, 16); } ff_MPV_frame_end(s); - if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) { - *(AVFrame *) data = s->current_picture.f; - } else { - *(AVFrame *) data = s->last_picture.f; - } + if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) + *(AVFrame *)data = s->current_picture.f; + else + *(AVFrame *)data = s->last_picture.f; /* Do not output the last pic after seeking. */ - if (s->last_picture_ptr || s->low_delay) { + if (s->last_picture_ptr || s->low_delay) *data_size = sizeof(AVFrame); - } return buf_size; } @@ -1091,7 +1147,7 @@ static int svq3_decode_frame(AVCodecContext *avctx, static int svq3_decode_end(AVCodecContext *avctx) { SVQ3Context *svq3 = avctx->priv_data; - H264Context *h = &svq3->h; + H264Context *h = &svq3->h; MpegEncContext *s = &h->s; ff_h264_free_context(h); @@ -1109,8 +1165,10 @@ AVCodec ff_svq3_decoder = { .init = svq3_decode_init, .close = svq3_decode_end, .decode = svq3_decode_frame, - .capabilities = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | + .capabilities = CODEC_CAP_DRAW_HORIZ_BAND | + CODEC_CAP_DR1 | CODEC_CAP_DELAY, .long_name = NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 3 / Sorenson Video 3 / SVQ3"), - .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_NONE }, + .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUVJ420P, + AV_PIX_FMT_NONE}, };