diff options
Diffstat (limited to 'libavcodec/vp8.c')
| -rw-r--r-- | libavcodec/vp8.c | 907 |
1 files changed, 752 insertions, 155 deletions
diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c index a1d24cdc1f..e73ee822e5 100644 --- a/libavcodec/vp8.c +++ b/libavcodec/vp8.c @@ -1,10 +1,11 @@ /* - * VP8 compatible video decoder + * VP7/VP8 compatible video decoder * * Copyright (C) 2010 David Conrad * Copyright (C) 2010 Ronald S. Bultje * Copyright (C) 2010 Jason Garrett-Glaser * Copyright (C) 2012 Daniel Kang + * Copyright (C) 2014 Peter Ross * * This file is part of Libav. * @@ -75,6 +76,7 @@ static void vp8_release_frame(VP8Context *s, VP8Frame *f) ff_thread_release_buffer(s->avctx, &f->tf); } +#if CONFIG_VP8_DECODER static int vp8_ref_frame(VP8Context *s, VP8Frame *dst, VP8Frame *src) { int ret; @@ -91,6 +93,7 @@ static int vp8_ref_frame(VP8Context *s, VP8Frame *dst, VP8Frame *src) return 0; } +#endif /* CONFIG_VP8_DECODER */ static void vp8_decode_flush_impl(AVCodecContext *avctx, int free_mem) { @@ -110,7 +113,32 @@ static void vp8_decode_flush(AVCodecContext *avctx) vp8_decode_flush_impl(avctx, 0); } -static int update_dimensions(VP8Context *s, int width, int height) +static VP8Frame *vp8_find_free_buffer(VP8Context *s) +{ + VP8Frame *frame = NULL; + int i; + + // find a free buffer + for (i = 0; i < 5; i++) + if (&s->frames[i] != s->framep[VP56_FRAME_CURRENT] && + &s->frames[i] != s->framep[VP56_FRAME_PREVIOUS] && + &s->frames[i] != s->framep[VP56_FRAME_GOLDEN] && + &s->frames[i] != s->framep[VP56_FRAME_GOLDEN2]) { + frame = &s->frames[i]; + break; + } + if (i == 5) { + av_log(s->avctx, AV_LOG_FATAL, "Ran out of free frames!\n"); + abort(); + } + if (frame->tf.f->data[0]) + vp8_release_frame(s, frame); + + return frame; +} + +static av_always_inline +int update_dimensions(VP8Context *s, int width, int height, int is_vp7) { AVCodecContext *avctx = s->avctx; int i, ret; @@ -127,8 +155,8 @@ static int update_dimensions(VP8Context *s, int width, int height) s->mb_width = (s->avctx->coded_width + 15) / 16; s->mb_height = (s->avctx->coded_height + 15) / 16; - s->mb_layout = (avctx->active_thread_type == FF_THREAD_SLICE) && - (FFMIN(s->num_coeff_partitions, avctx->thread_count) > 1); + s->mb_layout = is_vp7 || avctx->active_thread_type == FF_THREAD_SLICE && + FFMIN(s->num_coeff_partitions, avctx->thread_count) > 1; if (!s->mb_layout) { // Frame threading and one thread s->macroblocks_base = av_mallocz((s->mb_width + s->mb_height * 2 + 1) * sizeof(*s->macroblocks)); @@ -158,6 +186,16 @@ static int update_dimensions(VP8Context *s, int width, int height) return 0; } +static int vp7_update_dimensions(VP8Context *s, int width, int height) +{ + return update_dimensions(s, width, height, IS_VP7); +} + +static int vp8_update_dimensions(VP8Context *s, int width, int height) +{ + return update_dimensions(s, width, height, IS_VP8); +} + static void parse_segment_info(VP8Context *s) { VP56RangeCoder *c = &s->c; @@ -229,6 +267,25 @@ static int setup_partitions(VP8Context *s, const uint8_t *buf, int buf_size) return 0; } +static void vp7_get_quants(VP8Context *s) +{ + VP56RangeCoder *c = &s->c; + + int yac_qi = vp8_rac_get_uint(c, 7); + int ydc_qi = vp8_rac_get(c) ? vp8_rac_get_uint(c, 7) : yac_qi; + int y2dc_qi = vp8_rac_get(c) ? vp8_rac_get_uint(c, 7) : yac_qi; + int y2ac_qi = vp8_rac_get(c) ? vp8_rac_get_uint(c, 7) : yac_qi; + int uvdc_qi = vp8_rac_get(c) ? vp8_rac_get_uint(c, 7) : yac_qi; + int uvac_qi = vp8_rac_get(c) ? vp8_rac_get_uint(c, 7) : yac_qi; + + s->qmat[0].luma_qmul[0] = vp7_ydc_qlookup[ydc_qi]; + s->qmat[0].luma_qmul[1] = vp7_yac_qlookup[yac_qi]; + s->qmat[0].luma_dc_qmul[0] = vp7_y2dc_qlookup[y2dc_qi]; + s->qmat[0].luma_dc_qmul[1] = vp7_y2ac_qlookup[y2ac_qi]; + s->qmat[0].chroma_qmul[0] = FFMIN(vp7_ydc_qlookup[uvdc_qi], 132); + s->qmat[0].chroma_qmul[1] = vp7_yac_qlookup[uvac_qi]; +} + static void get_quants(VP8Context *s) { VP56RangeCoder *c = &s->c; @@ -291,6 +348,54 @@ static VP56Frame ref_to_update(VP8Context *s, int update, VP56Frame ref) return VP56_FRAME_NONE; } +static void vp78_reset_probability_tables(VP8Context *s) +{ + int i, j; + for (i = 0; i < 4; i++) + for (j = 0; j < 16; j++) + memcpy(s->prob->token[i][j], vp8_token_default_probs[i][vp8_coeff_band[j]], + sizeof(s->prob->token[i][j])); +} + +static void vp78_update_probability_tables(VP8Context *s) +{ + VP56RangeCoder *c = &s->c; + int i, j, k, l, m; + + for (i = 0; i < 4; i++) + for (j = 0; j < 8; j++) + for (k = 0; k < 3; k++) + for (l = 0; l < NUM_DCT_TOKENS-1; l++) + if (vp56_rac_get_prob_branchy(c, vp8_token_update_probs[i][j][k][l])) { + int prob = vp8_rac_get_uint(c, 8); + for (m = 0; vp8_coeff_band_indexes[j][m] >= 0; m++) + s->prob->token[i][vp8_coeff_band_indexes[j][m]][k][l] = prob; + } +} + +#define VP7_MVC_SIZE 17 +#define VP8_MVC_SIZE 19 + +static void vp78_update_pred16x16_pred8x8_mvc_probabilities(VP8Context *s, + int mvc_size) +{ + VP56RangeCoder *c = &s->c; + int i, j; + + if (vp8_rac_get(c)) + for (i = 0; i < 4; i++) + s->prob->pred16x16[i] = vp8_rac_get_uint(c, 8); + if (vp8_rac_get(c)) + for (i = 0; i < 3; i++) + s->prob->pred8x8c[i] = vp8_rac_get_uint(c, 8); + + // 17.2 MV probability update + for (i = 0; i < 2; i++) + for (j = 0; j < mvc_size; j++) + if (vp56_rac_get_prob_branchy(c, vp8_mv_update_prob[i][j])) + s->prob->mvc[i][j] = vp8_rac_get_nn(c); +} + static void update_refs(VP8Context *s) { VP56RangeCoder *c = &s->c; @@ -302,10 +407,211 @@ static void update_refs(VP8Context *s) s->update_altref = ref_to_update(s, update_altref, VP56_FRAME_GOLDEN2); } -static int decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size) +static void copy_luma(AVFrame *dst, AVFrame *src, int width, int height) +{ + int i, j; + + for (j = 1; j < 3; j++) { + for (i = 0; i < height / 2; i++) + memcpy(dst->data[j] + i * dst->linesize[j], + src->data[j] + i * src->linesize[j], width / 2); + } +} + +static void fade(uint8_t *dst, uint8_t *src, + int width, int height, int linesize, + int alpha, int beta) +{ + int i, j; + + for (j = 0; j < height; j++) { + for (i = 0; i < width; i++) { + uint8_t y = src[j * linesize + i]; + dst[j * linesize + i] = av_clip_uint8(y + ((y * beta) >> 8) + alpha); + } + } +} + +static int vp7_fade_frame(VP8Context *s, VP56RangeCoder *c) +{ + int alpha = (int8_t) vp8_rac_get_uint(c, 8); + int beta = (int8_t) vp8_rac_get_uint(c, 8); + int ret; + + if (!s->keyframe && (alpha || beta)) { + int width = s->mb_width * 16; + int height = s->mb_height * 16; + AVFrame *src, *dst; + + if (!s->framep[VP56_FRAME_PREVIOUS]) + return AVERROR_INVALIDDATA; + + dst = + src = s->framep[VP56_FRAME_PREVIOUS]->tf.f; + + /* preserve the golden frame, write a new previous frame */ + if (s->framep[VP56_FRAME_GOLDEN] == s->framep[VP56_FRAME_PREVIOUS]) { + s->framep[VP56_FRAME_PREVIOUS] = vp8_find_free_buffer(s); + if ((ret = vp8_alloc_frame(s, s->framep[VP56_FRAME_PREVIOUS], 1)) < 0) + return ret; + + dst = s->framep[VP56_FRAME_PREVIOUS]->tf.f; + + copy_luma(dst, src, width, height); + } + + fade(dst->data[0], src->data[0], + width, height, dst->linesize[0], alpha, beta); + } + + return 0; +} + +static int vp7_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size) { VP56RangeCoder *c = &s->c; - int header_size, hscale, vscale, i, j, k, l, m, ret; + int part1_size, hscale, vscale, i, j, ret; + int width = s->avctx->width; + int height = s->avctx->height; + + s->profile = (buf[0] >> 1) & 7; + if (s->profile > 1) { + avpriv_request_sample(s->avctx, "Unknown profile %d", s->profile); + return AVERROR_INVALIDDATA; + } + + s->keyframe = !(buf[0] & 1); + s->invisible = 0; + part1_size = AV_RL24(buf) >> 4; + + buf += 4 - s->profile; + buf_size -= 4 - s->profile; + + memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_epel_pixels_tab, sizeof(s->put_pixels_tab)); + + ff_vp56_init_range_decoder(c, buf, part1_size); + buf += part1_size; + buf_size -= part1_size; + + /* A. Dimension information (keyframes only) */ + if (s->keyframe) { + width = vp8_rac_get_uint(c, 12); + height = vp8_rac_get_uint(c, 12); + hscale = vp8_rac_get_uint(c, 2); + vscale = vp8_rac_get_uint(c, 2); + if (hscale || vscale) + avpriv_request_sample(s->avctx, "Upscaling"); + + s->update_golden = s->update_altref = VP56_FRAME_CURRENT; + vp78_reset_probability_tables(s); + memcpy(s->prob->pred16x16, vp8_pred16x16_prob_inter, + sizeof(s->prob->pred16x16)); + memcpy(s->prob->pred8x8c, vp8_pred8x8c_prob_inter, + sizeof(s->prob->pred8x8c)); + for (i = 0; i < 2; i++) + memcpy(s->prob->mvc[i], vp7_mv_default_prob[i], + sizeof(vp7_mv_default_prob[i])); + memset(&s->segmentation, 0, sizeof(s->segmentation)); + memset(&s->lf_delta, 0, sizeof(s->lf_delta)); + memcpy(s->prob[0].scan, zigzag_scan, sizeof(s->prob[0].scan)); + } + + if (s->keyframe || s->profile > 0) + memset(s->inter_dc_pred, 0 , sizeof(s->inter_dc_pred)); + + /* B. Decoding information for all four macroblock-level features */ + for (i = 0; i < 4; i++) { + s->feature_enabled[i] = vp8_rac_get(c); + if (s->feature_enabled[i]) { + s->feature_present_prob[i] = vp8_rac_get_uint(c, 8); + + for (j = 0; j < 3; j++) + s->feature_index_prob[i][j] = + vp8_rac_get(c) ? vp8_rac_get_uint(c, 8) : 255; + + if (vp7_feature_value_size[i]) + for (j = 0; j < 4; j++) + s->feature_value[i][j] = + vp8_rac_get(c) ? vp8_rac_get_uint(c, vp7_feature_value_size[s->profile][i]) : 0; + } + } + + s->segmentation.enabled = 0; + s->segmentation.update_map = 0; + s->lf_delta.enabled = 0; + + s->num_coeff_partitions = 1; + ff_vp56_init_range_decoder(&s->coeff_partition[0], buf, buf_size); + + if (!s->macroblocks_base || /* first frame */ + width != s->avctx->width || height != s->avctx->height || + (width + 15) / 16 != s->mb_width || (height + 15) / 16 != s->mb_height) { + if ((ret = vp7_update_dimensions(s, width, height)) < 0) + return ret; + } + + /* C. Dequantization indices */ + vp7_get_quants(s); + + /* D. Golden frame update flag (a Flag) for interframes only */ + if (!s->keyframe) { + s->update_golden = vp8_rac_get(c) ? VP56_FRAME_CURRENT : VP56_FRAME_NONE; + s->sign_bias[VP56_FRAME_GOLDEN] = 0; + } + + s->update_last = 1; + s->update_probabilities = 1; + s->fade_present = 1; + + if (s->profile > 0) { + s->update_probabilities = vp8_rac_get(c); + if (!s->update_probabilities) + s->prob[1] = s->prob[0]; + + if (!s->keyframe) + s->fade_present = vp8_rac_get(c); + } + + /* E. Fading information for previous frame */ + if (s->fade_present && vp8_rac_get(c)) { + if ((ret = vp7_fade_frame(s ,c)) < 0) + return ret; + } + + /* F. Loop filter type */ + if (!s->profile) + s->filter.simple = vp8_rac_get(c); + + /* G. DCT coefficient ordering specification */ + if (vp8_rac_get(c)) + for (i = 1; i < 16; i++) + s->prob[0].scan[i] = zigzag_scan[vp8_rac_get_uint(c, 4)]; + + /* H. Loop filter levels */ + if (s->profile > 0) + s->filter.simple = vp8_rac_get(c); + s->filter.level = vp8_rac_get_uint(c, 6); + s->filter.sharpness = vp8_rac_get_uint(c, 3); + + /* I. DCT coefficient probability update; 13.3 Token Probability Updates */ + vp78_update_probability_tables(s); + + s->mbskip_enabled = 0; + + /* J. The remaining frame header data occurs ONLY FOR INTERFRAMES */ + if (!s->keyframe) { + s->prob->intra = vp8_rac_get_uint(c, 8); + s->prob->last = vp8_rac_get_uint(c, 8); + vp78_update_pred16x16_pred8x8_mvc_probabilities(s, VP7_MVC_SIZE); + } + + return 0; +} + +static int vp8_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size) +{ + VP56RangeCoder *c = &s->c; + int header_size, hscale, vscale, ret; int width = s->avctx->width; int height = s->avctx->height; @@ -348,11 +654,7 @@ static int decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size) avpriv_request_sample(s->avctx, "Upscaling"); s->update_golden = s->update_altref = VP56_FRAME_CURRENT; - for (i = 0; i < 4; i++) - for (j = 0; j < 16; j++) - memcpy(s->prob->token[i][j], - vp8_token_default_probs[i][vp8_coeff_band[j]], - sizeof(s->prob->token[i][j])); + vp78_reset_probability_tables(s); memcpy(s->prob->pred16x16, vp8_pred16x16_prob_inter, sizeof(s->prob->pred16x16)); memcpy(s->prob->pred8x8c, vp8_pred8x8c_prob_inter, @@ -393,7 +695,7 @@ static int decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size) if (!s->macroblocks_base || /* first frame */ width != s->avctx->width || height != s->avctx->height) - if ((ret = update_dimensions(s, width, height)) < 0) + if ((ret = vp8_update_dimensions(s, width, height)) < 0) return ret; get_quants(s); @@ -411,15 +713,7 @@ static int decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size) s->update_last = s->keyframe || vp8_rac_get(c); - for (i = 0; i < 4; i++) - for (j = 0; j < 8; j++) - for (k = 0; k < 3; k++) - for (l = 0; l < NUM_DCT_TOKENS - 1; l++) - if (vp56_rac_get_prob_branchy(c, vp8_token_update_probs[i][j][k][l])) { - int prob = vp8_rac_get_uint(c, 8); - for (m = 0; vp8_coeff_band_indexes[j][m] >= 0; m++) - s->prob->token[i][vp8_coeff_band_indexes[j][m]][k][l] = prob; - } + vp78_update_probability_tables(s); if ((s->mbskip_enabled = vp8_rac_get(c))) s->prob->mbskip = vp8_rac_get_uint(c, 8); @@ -428,19 +722,7 @@ static int decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size) s->prob->intra = vp8_rac_get_uint(c, 8); s->prob->last = vp8_rac_get_uint(c, 8); s->prob->golden = vp8_rac_get_uint(c, 8); - - if (vp8_rac_get(c)) - for (i = 0; i < 4; i++) - s->prob->pred16x16[i] = vp8_rac_get_uint(c, 8); - if (vp8_rac_get(c)) - for (i = 0; i < 3; i++) - s->prob->pred8x8c[i] = vp8_rac_get_uint(c, 8); - - // 17.2 MV probability update - for (i = 0; i < 2; i++) - for (j = 0; j < 19; j++) - if (vp56_rac_get_prob_branchy(c, vp8_mv_update_prob[i][j])) - s->prob->mvc[i][j] = vp8_rac_get_nn(c); + vp78_update_pred16x16_pred8x8_mvc_probabilities(s, VP8_MVC_SIZE); } return 0; @@ -456,7 +738,7 @@ void clamp_mv(VP8Context *s, VP56mv *dst, const VP56mv *src) /** * Motion vector coding, 17.1. */ -static int read_mv_component(VP56RangeCoder *c, const uint8_t *p) +static int read_mv_component(VP56RangeCoder *c, const uint8_t *p, int vp7) { int bit, x = 0; @@ -465,9 +747,9 @@ static int read_mv_component(VP56RangeCoder *c, const uint8_t *p) for (i = 0; i < 3; i++) x += vp56_rac_get_prob(c, p[9 + i]) << i; - for (i = 9; i > 3; i--) + for (i = (vp7 ? 7 : 9); i > 3; i--) x += vp56_rac_get_prob(c, p[9 + i]) << i; - if (!(x & 0xFFF0) || vp56_rac_get_prob(c, p[12])) + if (!(x & (vp7 ? 0xF0 : 0xFFF0)) || vp56_rac_get_prob(c, p[12])) x += 8; } else { // small_mvtree @@ -485,8 +767,11 @@ static int read_mv_component(VP56RangeCoder *c, const uint8_t *p) } static av_always_inline -const uint8_t *get_submv_prob(uint32_t left, uint32_t top) +const uint8_t *get_submv_prob(uint32_t left, uint32_t top, int is_vp7) { + if (is_vp7) + return vp7_submv_prob; + if (left == top) return vp8_submv_prob[4 - !!left]; if (!top) @@ -499,7 +784,8 @@ const uint8_t *get_submv_prob(uint32_t left, uint32_t top) * @returns the number of motion vectors parsed (2, 4 or 16) */ static av_always_inline -int decode_splitmvs(VP8Context *s, VP56RangeCoder *c, VP8Macroblock *mb, int layout) +int decode_splitmvs(VP8Context *s, VP56RangeCoder *c, VP8Macroblock *mb, + int layout, int is_vp7) { int part_idx; int n, num; @@ -546,13 +832,15 @@ int decode_splitmvs(VP8Context *s, VP56RangeCoder *c, VP8Macroblock *mb, int lay else above = AV_RN32A(&cur_mv[mbsplits_cur[k - 4]]); - submv_prob = get_submv_prob(left, above); + submv_prob = get_submv_prob(left, above, is_vp7); if (vp56_rac_get_prob_branchy(c, submv_prob[0])) { if (vp56_rac_get_prob_branchy(c, submv_prob[1])) { if (vp56_rac_get_prob_branchy(c, submv_prob[2])) { - mb->bmv[n].y = mb->mv.y + read_mv_component(c, s->prob->mvc[0]); - mb->bmv[n].x = mb->mv.x + read_mv_component(c, s->prob->mvc[1]); + mb->bmv[n].y = mb->mv.y + + read_mv_component(c, s->prob->mvc[0], is_vp7); + mb->bmv[n].x = mb->mv.x + + read_mv_component(c, s->prob->mvc[1], is_vp7); } else { AV_ZERO32(&mb->bmv[n]); } @@ -567,9 +855,129 @@ int decode_splitmvs(VP8Context *s, VP56RangeCoder *c, VP8Macroblock *mb, int lay return num; } +/** + * The vp7 reference decoder uses a padding macroblock column (added to right + * edge of the frame) to guard against illegal macroblock offsets. The + * algorithm has bugs that permit offsets to straddle the padding column. + * This function replicates those bugs. + * + * @param[out] edge_x macroblock x address + * @param[out] edge_y macroblock y address + * + * @return macroblock offset legal (boolean) + */ +static int vp7_calculate_mb_offset(int mb_x, int mb_y, int mb_width, + int xoffset, int yoffset, int boundary, + int *edge_x, int *edge_y) +{ + int vwidth = mb_width + 1; + int new = (mb_y + yoffset) * vwidth + mb_x + xoffset; + if (new < boundary || new % vwidth == vwidth - 1) + return 0; + *edge_y = new / vwidth; + *edge_x = new % vwidth; + return 1; +} + +static const VP56mv *get_bmv_ptr(const VP8Macroblock *mb, int subblock) +{ + return &mb->bmv[mb->mode == VP8_MVMODE_SPLIT ? vp8_mbsplits[mb->partitioning][subblock] : 0]; +} + static av_always_inline -void decode_mvs(VP8Context *s, VP8Macroblock *mb, - int mb_x, int mb_y, int layout) +void vp7_decode_mvs(VP8Context *s, VP8Macroblock *mb, + int mb_x, int mb_y, int layout) +{ + VP8Macroblock *mb_edge[12]; + enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR }; + enum { VP8_EDGE_TOP, VP8_EDGE_LEFT, VP8_EDGE_TOPLEFT }; + int idx = CNT_ZERO; + VP56mv near_mv[3]; + uint8_t cnt[3] = { 0 }; + VP56RangeCoder *c = &s->c; + int i; + + AV_ZERO32(&near_mv[0]); + AV_ZERO32(&near_mv[1]); + AV_ZERO32(&near_mv[2]); + + for (i = 0; i < VP7_MV_PRED_COUNT; i++) { + const VP7MVPred * pred = &vp7_mv_pred[i]; + int edge_x, edge_y; + + if (vp7_calculate_mb_offset(mb_x, mb_y, s->mb_width, pred->xoffset, + pred->yoffset, !s->profile, &edge_x, &edge_y)) { + VP8Macroblock *edge = mb_edge[i] = (s->mb_layout == 1) + ? s->macroblocks_base + 1 + edge_x + + (s->mb_width + 1) * (edge_y + 1) + : s->macroblocks + edge_x + + (s->mb_height - edge_y - 1) * 2; + uint32_t mv = AV_RN32A(get_bmv_ptr(edge, vp7_mv_pred[i].subblock)); + if (mv) { + if (AV_RN32A(&near_mv[CNT_NEAREST])) { + if (mv == AV_RN32A(&near_mv[CNT_NEAREST])) { + idx = CNT_NEAREST; + } else if (AV_RN32A(&near_mv[CNT_NEAR])) { + if (mv != AV_RN32A(&near_mv[CNT_NEAR])) + continue; + idx = CNT_NEAR; + } else { + AV_WN32A(&near_mv[CNT_NEAR], mv); + idx = CNT_NEAR; + } + } else { + AV_WN32A(&near_mv[CNT_NEAREST], mv); + idx = CNT_NEAREST; + } + } else { + idx = CNT_ZERO; + } + } else { + idx = CNT_ZERO; + } + cnt[idx] += vp7_mv_pred[i].score; + } + + mb->partitioning = VP8_SPLITMVMODE_NONE; + + if (vp56_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_ZERO]][0])) { + mb->mode = VP8_MVMODE_MV; + + if (vp56_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_NEAREST]][1])) { + + if (vp56_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_NEAR]][2])) { + + if (cnt[CNT_NEAREST] > cnt[CNT_NEAR]) + AV_WN32A(&mb->mv, cnt[CNT_ZERO] > cnt[CNT_NEAREST] ? 0 : AV_RN32A(&near_mv[CNT_NEAREST])); + else + AV_WN32A(&mb->mv, cnt[CNT_ZERO] > cnt[CNT_NEAR] ? 0 : AV_RN32A(&near_mv[CNT_NEAR])); + + if (vp56_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_NEAR]][3])) { + mb->mode = VP8_MVMODE_SPLIT; + mb->mv = mb->bmv[decode_splitmvs(s, c, mb, layout, IS_VP7) - 1]; + } else { + mb->mv.y += read_mv_component(c, s->prob->mvc[0], IS_VP7); + mb->mv.x += read_mv_component(c, s->prob->mvc[1], IS_VP7); + mb->bmv[0] = mb->mv; + } + } else { + mb->mv = near_mv[CNT_NEAR]; + mb->bmv[0] = mb->mv; + } + } else { + mb->mv = near_mv[CNT_NEAREST]; + mb->bmv[0] = mb->mv; + } + } else { + mb->mode = VP8_MVMODE_ZERO; + AV_ZERO32(&mb->mv); + mb->bmv[0] = mb->mv; + } +} + +static av_always_inline +void vp8_decode_mvs(VP8Context *s, VP8Macroblock *mb, + int mb_x, int mb_y, int layout) { VP8Macroblock *mb_edge[3] = { 0 /* top */, mb - 1 /* left */, @@ -646,10 +1054,10 @@ void decode_mvs(VP8Context *s, VP8Macroblock *mb, if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_SPLITMV]][3])) { mb->mode = VP8_MVMODE_SPLIT; - mb->mv = mb->bmv[decode_splitmvs(s, c, mb, layout) - 1]; + mb->mv = mb->bmv[decode_splitmvs(s, c, mb, layout, IS_VP8) - 1]; } else { - mb->mv.y += read_mv_component(c, s->prob->mvc[0]); - mb->mv.x += read_mv_component(c, s->prob->mvc[1]); + mb->mv.y += read_mv_component(c, s->prob->mvc[0], IS_VP8); + mb->mv.x += read_mv_component(c, s->prob->mvc[1], IS_VP8); mb->bmv[0] = mb->mv; } } else { @@ -704,11 +1112,28 @@ void decode_intra4x4_modes(VP8Context *s, VP56RangeCoder *c, VP8Macroblock *mb, static av_always_inline void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y, - uint8_t *segment, uint8_t *ref, int layout) + uint8_t *segment, uint8_t *ref, int layout, int is_vp7) { VP56RangeCoder *c = &s->c; - - if (s->segmentation.update_map) + const char *vp7_feature_name[] = { "q-index", + "lf-delta", + "partial-golden-update", + "blit-pitch" }; + if (is_vp7) { + int i; + *segment = 0; + for (i = 0; i < 4; i++) { + if (s->feature_enabled[i]) { + if (vp56_rac_get_prob(c, s->feature_present_prob[i])) { + int index = vp8_rac_get_tree(c, vp7_feature_index_tree, + s->feature_index_prob[i]); + av_log(s->avctx, AV_LOG_WARNING, + "Feature %s present in macroblock (value 0x%x)\n", + vp7_feature_name[i], s->feature_value[i][index]); + } + } + } + } else if (s->segmentation.update_map) *segment = vp8_rac_get_tree(c, vp8_segmentid_tree, s->prob->segmentid); else if (s->segmentation.enabled) *segment = ref ? *ref : *segment; @@ -723,7 +1148,8 @@ void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y, if (mb->mode == MODE_I4x4) { decode_intra4x4_modes(s, c, mb, mb_x, 1, layout); } else { - const uint32_t modes = vp8_pred4x4_mode[mb->mode] * 0x01010101u; + const uint32_t modes = (is_vp7 ? vp7_pred4x4_mode + : vp8_pred4x4_mode)[mb->mode] * 0x01010101u; if (s->mb_layout == 1) AV_WN32A(mb->intra4x4_pred_mode_top, modes); else @@ -738,14 +1164,17 @@ void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y, // inter MB, 16.2 if (vp56_rac_get_prob_branchy(c, s->prob->last)) mb->ref_frame = - vp56_rac_get_prob(c, s->prob->golden) ? VP56_FRAME_GOLDEN2 /* altref */ - : VP56_FRAME_GOLDEN; + (!is_vp7 && vp56_rac_get_prob(c, s->prob->golden)) ? VP56_FRAME_GOLDEN2 /* altref */ + : VP56_FRAME_GOLDEN; else mb->ref_frame = VP56_FRAME_PREVIOUS; s->ref_count[mb->ref_frame - 1]++; // motion vectors, 16.3 - decode_mvs(s, mb, mb_x, mb_y, layout); + if (is_vp7) + vp7_decode_mvs(s, mb, mb_x, mb_y, layout); + else + vp8_decode_mvs(s, mb, mb_x, mb_y, layout); } else { // intra MB, 16.1 mb->mode = vp8_rac_get_tree(c, vp8_pred16x16_tree_inter, s->prob->pred16x16); @@ -761,7 +1190,6 @@ void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y, } } -#ifndef decode_block_coeffs_internal /** * @param r arithmetic bitstream reader context * @param block destination for block coefficients @@ -772,15 +1200,17 @@ void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y, * @return 0 if no coeffs were decoded * otherwise, the index of the last coeff decoded plus one */ -static int decode_block_coeffs_internal(VP56RangeCoder *r, int16_t block[16], - uint8_t probs[16][3][NUM_DCT_TOKENS - 1], - int i, uint8_t *token_prob, - int16_t qmul[2]) +static av_always_inline +int decode_block_coeffs_internal(VP56RangeCoder *r, int16_t block[16], + uint8_t probs[16][3][NUM_DCT_TOKENS - 1], + int i, uint8_t *token_prob, int16_t qmul[2], + const uint8_t scan[16], int vp7) { VP56RangeCoder c = *r; goto skip_eob; do { int coeff; +restart: if (!vp56_rac_get_prob_branchy(&c, token_prob[0])) // DCT_EOB break; @@ -789,6 +1219,8 @@ skip_eob: if (++i == 16) break; // invalid input; blocks should end with EOB token_prob = probs[i][0]; + if (vp7) + goto restart; goto skip_eob; } @@ -821,12 +1253,57 @@ skip_eob: } token_prob = probs[i + 1][2]; } - block[zigzag_scan[i]] = (vp8_rac_get(&c) ? -coeff : coeff) * qmul[!!i]; + block[scan[i]] = (vp8_rac_get(&c) ? -coeff : coeff) * qmul[!!i]; } while (++i < 16); *r = c; return i; } + +static av_always_inline +int inter_predict_dc(int16_t block[16], int16_t pred[2]) +{ + int16_t dc = block[0]; + int ret = 0; + + if (pred[1] > 3) { + dc += pred[0]; + ret = 1; + } + + if (!pred[0] | !dc | ((int32_t)pred[0] ^ (int32_t)dc) >> 31) { + block[0] = pred[0] = dc; + pred[1] = 0; + } else { + if (pred[0] == dc) + pred[1]++; + block[0] = pred[0] = dc; + } + + return ret; +} + +static int vp7_decode_block_coeffs_internal(VP56RangeCoder *r, + int16_t block[16], + uint8_t probs[16][3][NUM_DCT_TOKENS - 1], + int i, uint8_t *token_prob, + int16_t qmul[2], + const uint8_t scan[16]) +{ + return decode_block_coeffs_internal(r, block, probs, i, + token_prob, qmul, scan, IS_VP7); +} + +#ifndef vp8_decode_block_coeffs_internal +static int vp8_decode_block_coeffs_internal(VP56RangeCoder *r, + int16_t block[16], + uint8_t probs[16][3][NUM_DCT_TOKENS - 1], + int i, uint8_t *token_prob, + int16_t qmul[2]) +{ + return decode_block_coeffs_internal(r, block, probs, i, + token_prob, qmul, zigzag_scan, IS_VP8); +} #endif /** @@ -844,30 +1321,42 @@ skip_eob: static av_always_inline int decode_block_coeffs(VP56RangeCoder *c, int16_t block[16], uint8_t probs[16][3][NUM_DCT_TOKENS - 1], - int i, int zero_nhood, int16_t qmul[2]) + int i, int zero_nhood, int16_t qmul[2], + const uint8_t scan[16], int vp7) { uint8_t *token_prob = probs[i][zero_nhood]; if (!vp56_rac_get_prob_branchy(c, token_prob[0])) // DCT_EOB return 0; - return decode_block_coeffs_internal(c, block, probs, i, token_prob, qmul); + return vp7 ? vp7_decode_block_coeffs_internal(c, block, probs, i, + token_prob, qmul, scan) + : vp8_decode_block_coeffs_internal(c, block, probs, i, + token_prob, qmul); } static av_always_inline void decode_mb_coeffs(VP8Context *s, VP8ThreadData *td, VP56RangeCoder *c, - VP8Macroblock *mb, uint8_t t_nnz[9], uint8_t l_nnz[9]) + VP8Macroblock *mb, uint8_t t_nnz[9], uint8_t l_nnz[9], + int is_vp7) { int i, x, y, luma_start = 0, luma_ctx = 3; int nnz_pred, nnz, nnz_total = 0; int segment = mb->segment; int block_dc = 0; - if (mb->mode != MODE_I4x4 && mb->mode != VP8_MVMODE_SPLIT) { + if (mb->mode != MODE_I4x4 && (is_vp7 || mb->mode != VP8_MVMODE_SPLIT)) { nnz_pred = t_nnz[8] + l_nnz[8]; // decode DC values and do hadamard nnz = decode_block_coeffs(c, td->block_dc, s->prob->token[1], 0, - nnz_pred, s->qmat[segment].luma_dc_qmul); + nnz_pred, s->qmat[segment].luma_dc_qmul, + zigzag_scan, is_vp7); l_nnz[8] = t_nnz[8] = !!nnz; + + if (is_vp7 && mb->mode > MODE_I4x4) { + nnz |= inter_predict_dc(td->block_dc, + s->inter_dc_pred[mb->ref_frame - 1]); + } + if (nnz) { nnz_total += nnz; block_dc = 1; @@ -887,7 +1376,8 @@ void decode_mb_coeffs(VP8Context *s, VP8ThreadData *td, VP56RangeCoder *c, nnz = decode_block_coeffs(c, td->block[y][x], s->prob->token[luma_ctx], luma_start, nnz_pred, - s->qmat[segment].luma_qmul); + s->qmat[segment].luma_qmul, + s->prob[0].scan, is_vp7); /* nnz+block_dc may be one more than the actual last index, * but we don't care */ td->non_zero_count_cache[y][x] = nnz + block_dc; @@ -902,13 +1392,13 @@ void decode_mb_coeffs(VP8Context *s, VP8ThreadData *td, VP56RangeCoder *c, for (y = 0; y < 2; y++) for (x = 0; x < 2; x++) { nnz_pred = l_nnz[i + 2 * y] + t_nnz[i + 2 * x]; - nnz = decode_block_coeffs(c, td->block[i][(y << 1) + x], - s->prob->token[2], - 0, nnz_pred, - s->qmat[segment].chroma_qmul); + nnz = decode_block_coeffs(c, td->block[i][(y << 1) + x], + s->prob->token[2], 0, nnz_pred, + s->qmat[segment].chroma_qmul, + s->prob[0].scan, is_vp7); td->non_zero_count_cache[i][(y << 1) + x] = nnz; t_nnz[i + 2 * x] = l_nnz[i + 2 * y] = !!nnz; - nnz_total += nnz; + nnz_total += nnz; } // if there were no coded coeffs despite the macroblock not being marked skip, @@ -974,42 +1464,43 @@ int check_dc_pred8x8_mode(int mode, int mb_x, int mb_y) } static av_always_inline -int check_tm_pred8x8_mode(int mode, int mb_x, int mb_y) +int check_tm_pred8x8_mode(int mode, int mb_x, int mb_y, int vp7) { if (!mb_x) - return mb_y ? VERT_PRED8x8 : DC_129_PRED8x8; + return mb_y ? VERT_PRED8x8 : (vp7 ? DC_128_PRED8x8 : DC_129_PRED8x8); else return mb_y ? mode : HOR_PRED8x8; } static av_always_inline -int check_intra_pred8x8_mode_emuedge(int mode, int mb_x, int mb_y) +int check_intra_pred8x8_mode_emuedge(int mode, int mb_x, int mb_y, int vp7) { switch (mode) { case DC_PRED8x8: return check_dc_pred8x8_mode(mode, mb_x, mb_y); case VERT_PRED8x8: - return !mb_y ? DC_127_PRED8x8 : mode; + return !mb_y ? (vp7 ? DC_128_PRED8x8 : DC_127_PRED8x8) : mode; case HOR_PRED8x8: - return !mb_x ? DC_129_PRED8x8 : mode; + return !mb_x ? (vp7 ? DC_128_PRED8x8 : DC_129_PRED8x8) : mode; case PLANE_PRED8x8: /* TM */ - return check_tm_pred8x8_mode(mode, mb_x, mb_y); + return check_tm_pred8x8_mode(mode, mb_x, mb_y, vp7); } return mode; } static av_always_inline -int check_tm_pred4x4_mode(int mode, int mb_x, int mb_y) +int check_tm_pred4x4_mode(int mode, int mb_x, int mb_y, int vp7) { if (!mb_x) { - return mb_y ? VERT_VP8_PRED : DC_129_PRED; + return mb_y ? VERT_VP8_PRED : (vp7 ? DC_128_PRED : DC_129_PRED); } else { return mb_y ? mode : HOR_VP8_PRED; } } static av_always_inline -int check_intra_pred4x4_mode_emuedge(int mode, int mb_x, int mb_y, int *copy_buf) +int check_intra_pred4x4_mode_emuedge(int mode, int mb_x, int mb_y, + int *copy_buf, int vp7) { switch (mode) { case VERT_PRED: @@ -1020,7 +1511,7 @@ int check_intra_pred4x4_mode_emuedge(int mode, int mb_x, int mb_y, int *copy_buf /* fall-through */ case DIAG_DOWN_LEFT_PRED: case VERT_LEFT_PRED: - return !mb_y ? DC_127_PRED : mode; + return !mb_y ? (vp7 ? DC_128_PRED : DC_127_PRED) : mode; case HOR_PRED: if (!mb_y) { *copy_buf = 1; @@ -1028,9 +1519,9 @@ int check_intra_pred4x4_mode_emuedge(int mode, int mb_x, int mb_y, int *copy_buf } /* fall-through */ case HOR_UP_PRED: - return !mb_x ? DC_129_PRED : mode; + return !mb_x ? (vp7 ? DC_128_PRED : DC_129_PRED) : mode; case TM_VP8_PRED: - return check_tm_pred4x4_mode(mode, mb_x, mb_y); + return check_tm_pred4x4_mode(mode, mb_x, mb_y, vp7); case DC_PRED: /* 4x4 DC doesn't use the same "H.264-style" exceptions * as 16x16/8x8 DC */ case DIAG_DOWN_RIGHT_PRED: @@ -1045,7 +1536,7 @@ int check_intra_pred4x4_mode_emuedge(int mode, int mb_x, int mb_y, int *copy_buf static av_always_inline void intra_predict(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3], - VP8Macroblock *mb, int mb_x, int mb_y) + VP8Macroblock *mb, int mb_x, int mb_y, int is_vp7) { int x, y, mode, nnz; uint32_t tr; @@ -1058,12 +1549,14 @@ void intra_predict(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3], s->filter.simple, 1); if (mb->mode < MODE_I4x4) { - mode = check_intra_pred8x8_mode_emuedge(mb->mode, mb_x, mb_y); + mode = check_intra_pred8x8_mode_emuedge(mb->mode, mb_x, mb_y, is_vp7); s->hpc.pred16x16[mode](dst[0], s->linesize); } else { uint8_t *ptr = dst[0]; uint8_t *intra4x4 = mb->intra4x4_pred_mode_mb; - uint8_t tr_top[4] = { 127, 127, 127, 127 }; + const uint8_t lo = is_vp7 ? 128 : 127; + const uint8_t hi = is_vp7 ? 128 : 129; + uint8_t tr_top[4] = { lo, lo, lo, lo }; // all blocks on the right edge of the macroblock use bottom edge // the top macroblock for their topright edge @@ -1091,19 +1584,18 @@ void intra_predict(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3], } else if (x == 3) topright = tr_right; - mode = check_intra_pred4x4_mode_emuedge(intra4x4[x], - mb_x + x, mb_y + y, - ©); + mode = check_intra_pred4x4_mode_emuedge(intra4x4[x], mb_x + x, + mb_y + y, ©, is_vp7); if (copy) { dst = copy_dst + 12; linesize = 8; if (!(mb_y + y)) { - copy_dst[3] = 127U; - AV_WN32A(copy_dst + 4, 127U * 0x01010101U); + copy_dst[3] = lo; + AV_WN32A(copy_dst + 4, lo * 0x01010101U); } else { AV_COPY32(copy_dst + 4, ptr + 4 * x - s->linesize); if (!(mb_x + x)) { - copy_dst[3] = 129U; + copy_dst[3] = hi; } else { copy_dst[3] = ptr[4 * x - s->linesize - 1]; } @@ -1112,7 +1604,7 @@ void intra_predict(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3], copy_dst[11] = copy_dst[19] = copy_dst[27] = - copy_dst[35] = 129U; + copy_dst[35] = hi; } else { copy_dst[11] = ptr[4 * x - 1]; copy_dst[19] = ptr[4 * x + s->linesize - 1]; @@ -1145,7 +1637,8 @@ void intra_predict(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3], } } - mode = check_intra_pred8x8_mode_emuedge(mb->chroma_pred_mode, mb_x, mb_y); + mode = check_intra_pred8x8_mode_emuedge(mb->chroma_pred_mode, + mb_x, mb_y, is_vp7); s->hpc.pred8x8[mode](dst[1], s->uvlinesize); s->hpc.pred8x8[mode](dst[2], s->uvlinesize); @@ -1300,6 +1793,8 @@ void vp8_mc_part(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3], /* U/V */ if (s->profile == 3) { + /* this block only applies VP8; it is safe to check + * only the profile, as VP7 profile <= 1 */ uvmv.x &= ~7; uvmv.y &= ~7; } @@ -1490,7 +1985,8 @@ chroma_idct_end: } static av_always_inline -void filter_level_for_mb(VP8Context *s, VP8Macroblock *mb, VP8FilterStrength *f) +void filter_level_for_mb(VP8Context *s, VP8Macroblock *mb, + VP8FilterStrength *f, int is_vp7) { int interior_limit, filter_level; @@ -1517,15 +2013,15 @@ void filter_level_for_mb(VP8Context *s, VP8Macroblock *mb, VP8FilterStrength *f) f->filter_level = filter_level; f->inner_limit = interior_limit; - f->inner_filter = !mb->skip || mb->mode == MODE_I4x4 || + f->inner_filter = is_vp7 || !mb->skip || mb->mode == MODE_I4x4 || mb->mode == VP8_MVMODE_SPLIT; } static av_always_inline void filter_mb(VP8Context *s, uint8_t *dst[3], VP8FilterStrength *f, - int mb_x, int mb_y) + int mb_x, int mb_y, int is_vp7) { - int mbedge_lim, bedge_lim, hev_thresh; + int mbedge_lim, bedge_lim_y, bedge_lim_uv, hev_thresh; int filter_level = f->filter_level; int inner_limit = f->inner_limit; int inner_filter = f->inner_filter; @@ -1545,8 +2041,15 @@ void filter_mb(VP8Context *s, uint8_t *dst[3], VP8FilterStrength *f, if (!filter_level) return; - bedge_lim = 2 * filter_level + inner_limit; - mbedge_lim = bedge_lim + 4; + if (is_vp7) { + bedge_lim_y = filter_level; + bedge_lim_uv = filter_level * 2; + mbedge_lim = filter_level + 2; + } else { + bedge_lim_y = + bedge_lim_uv = filter_level * 2 + inner_limit; + mbedge_lim = bedge_lim_y + 4; + } hev_thresh = hev_thresh_lut[s->keyframe][filter_level]; @@ -1557,18 +2060,24 @@ void filter_mb(VP8Context *s, uint8_t *dst[3], VP8FilterStrength *f, mbedge_lim, inner_limit, hev_thresh); } - if (inner_filter) { - s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 4, linesize, bedge_lim, - inner_limit, hev_thresh); - s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 8, linesize, bedge_lim, - inner_limit, hev_thresh); - s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 12, linesize, bedge_lim, - inner_limit, hev_thresh); - s->vp8dsp.vp8_h_loop_filter8uv_inner(dst[1] + 4, dst[2] + 4, - uvlinesize, bedge_lim, - inner_limit, hev_thresh); +#define H_LOOP_FILTER_16Y_INNER(cond) \ + if (cond && inner_filter) { \ + s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 4, linesize, \ + bedge_lim_y, inner_limit, \ + hev_thresh); \ + s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 8, linesize, \ + bedge_lim_y, inner_limit, \ + hev_thresh); \ + s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 12, linesize, \ + bedge_lim_y, inner_limit, \ + hev_thresh); \ + s->vp8dsp.vp8_h_loop_filter8uv_inner(dst[1] + 4, dst[2] + 4, \ + uvlinesize, bedge_lim_uv, \ + inner_limit, hev_thresh); \ } + H_LOOP_FILTER_16Y_INNER(!is_vp7) + if (mb_y) { s->vp8dsp.vp8_v_loop_filter16y(dst[0], linesize, mbedge_lim, inner_limit, hev_thresh); @@ -1578,19 +2087,21 @@ void filter_mb(VP8Context *s, uint8_t *dst[3], VP8FilterStrength *f, if (inner_filter) { s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 4 * linesize, - linesize, bedge_lim, + linesize, bedge_lim_y, inner_limit, hev_thresh); s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 8 * linesize, - linesize, bedge_lim, + linesize, bedge_lim_y, inner_limit, hev_thresh); s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 12 * linesize, - linesize, bedge_lim, + linesize, bedge_lim_y, inner_limit, hev_thresh); s->vp8dsp.vp8_v_loop_filter8uv_inner(dst[1] + 4 * uvlinesize, dst[2] + 4 * uvlinesize, - uvlinesize, bedge_lim, + uvlinesize, bedge_lim_uv, inner_limit, hev_thresh); } + + H_LOOP_FILTER_16Y_INNER(is_vp7) } static av_always_inline @@ -1627,8 +2138,9 @@ void filter_mb_simple(VP8Context *s, uint8_t *dst, VP8FilterStrength *f, } #define MARGIN (16 << 2) -static void vp8_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *curframe, - VP8Frame *prev_frame) +static av_always_inline +void vp78_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *curframe, + VP8Frame *prev_frame, int is_vp7) { VP8Context *s = avctx->priv_data; int mb_x, mb_y; @@ -1650,7 +2162,7 @@ static void vp8_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *curframe, DC_PRED * 0x01010101); decode_mb_mode(s, mb, mb_x, mb_y, curframe->seg_map->data + mb_xy, prev_frame && prev_frame->seg_map ? - prev_frame->seg_map->data + mb_xy : NULL, 1); + prev_frame->seg_map->data + mb_xy : NULL, 1, is_vp7); s->mv_min.x -= 64; s->mv_max.x -= 64; } @@ -1659,6 +2171,18 @@ static void vp8_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *curframe, } } +static void vp7_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame, + VP8Frame *prev_frame) +{ + vp78_decode_mv_mb_modes(avctx, cur_frame, prev_frame, IS_VP7); +} + +static void vp8_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame, + VP8Frame *prev_frame) +{ + vp78_decode_mv_mb_modes(avctx, cur_frame, prev_frame, IS_VP8); +} + #if HAVE_THREADS #define check_thread_pos(td, otd, mb_x_check, mb_y_check) \ do { \ @@ -1700,7 +2224,7 @@ static void vp8_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *curframe, #endif static void vp8_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata, - int jobnr, int threadnr) + int jobnr, int threadnr, int is_vp7) { VP8Context *s = avctx->priv_data; VP8ThreadData *prev_td, *next_td, *td = &s->thread_data[threadnr]; @@ -1736,7 +2260,8 @@ static void vp8_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata, AV_WN32A(s->intra4x4_pred_mode_left, DC_PRED * 0x01010101); } - memset(td->left_nnz, 0, sizeof(td->left_nnz)); + if (!is_vp7 || mb_y == 0) + memset(td->left_nnz, 0, sizeof(td->left_nnz)); s->mv_min.x = -MARGIN; s->mv_max.x = ((s->mb_width - 1) << 6) + MARGIN; @@ -1745,10 +2270,13 @@ static void vp8_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata, // Wait for previous thread to read mb_x+2, and reach mb_y-1. if (prev_td != td) { if (threadnr != 0) { - check_thread_pos(td, prev_td, mb_x + 1, mb_y - 1); + check_thread_pos(td, prev_td, + mb_x + (is_vp7 ? 2 : 1), + mb_y - (is_vp7 ? 2 : 1)); } else { check_thread_pos(td, prev_td, - (s->mb_width + 3) + (mb_x + 1), mb_y - 1); + mb_x + (is_vp7 ? 2 : 1) + s->mb_width + 3, + mb_y - (is_vp7 ? 2 : 1)); } } @@ -1760,15 +2288,15 @@ static void vp8_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata, if (!s->mb_layout) decode_mb_mode(s, mb, mb_x, mb_y, curframe->seg_map->data + mb_xy, prev_frame && prev_frame->seg_map ? - prev_frame->seg_map->data + mb_xy : NULL, 0); + prev_frame->seg_map->data + mb_xy : NULL, 0, is_vp7); prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP56_FRAME_PREVIOUS); if (!mb->skip) - decode_mb_coeffs(s, td, c, mb, s->top_nnz[mb_x], td->left_nnz); + decode_mb_coeffs(s, td, c, mb, s->top_nnz[mb_x], td->left_nnz, is_vp7); if (mb->mode <= MODE_I4x4) - intra_predict(s, td, dst, mb, mb_x, mb_y); + intra_predict(s, td, dst, mb, mb_x, mb_y, is_vp7); else inter_predict(s, td, dst, mb, mb_x, mb_y); @@ -1789,7 +2317,7 @@ static void vp8_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata, } if (s->deblock_filter) - filter_level_for_mb(s, mb, &td->filter_strength[mb_x]); + filter_level_for_mb(s, mb, &td->filter_strength[mb_x], is_vp7); if (s->deblock_filter && num_jobs != 1 && threadnr == num_jobs - 1) { if (s->filter.simple) @@ -1817,7 +2345,7 @@ static void vp8_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata, } static void vp8_filter_mb_row(AVCodecContext *avctx, void *tdata, - int jobnr, int threadnr) + int jobnr, int threadnr, int is_vp7) { VP8Context *s = avctx->priv_data; VP8ThreadData *td = &s->thread_data[threadnr]; @@ -1866,7 +2394,7 @@ static void vp8_filter_mb_row(AVCodecContext *avctx, void *tdata, if (s->filter.simple) filter_mb_simple(s, dst[0], f, mb_x, mb_y); else - filter_mb(s, dst, f, mb_x, mb_y); + filter_mb(s, dst, f, mb_x, mb_y, is_vp7); dst[0] += 16; dst[1] += 8; dst[2] += 8; @@ -1875,8 +2403,9 @@ static void vp8_filter_mb_row(AVCodecContext *avctx, void *tdata, } } -static int vp8_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, - int jobnr, int threadnr) +static av_always_inline +int vp78_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, int jobnr, + int threadnr, int is_vp7) { VP8Context *s = avctx->priv_data; VP8ThreadData *td = &s->thread_data[jobnr]; @@ -1889,9 +2418,9 @@ static int vp8_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, if (mb_y >= s->mb_height) break; td->thread_mb_pos = mb_y << 16; - vp8_decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr); + vp8_decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr, is_vp7); if (s->deblock_filter) - vp8_filter_mb_row(avctx, tdata, jobnr, threadnr); + vp8_filter_mb_row(avctx, tdata, jobnr, threadnr, is_vp7); update_pos(td, mb_y, INT_MAX & 0xFFFF); s->mv_min.y -= 64; @@ -1904,15 +2433,34 @@ static int vp8_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, return 0; } -int ff_vp8_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, - AVPacket *avpkt) +static int vp7_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, + int jobnr, int threadnr) +{ + return vp78_decode_mb_row_sliced(avctx, tdata, jobnr, threadnr, IS_VP7); +} + +static int vp8_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, + int jobnr, int threadnr) +{ + return vp78_decode_mb_row_sliced(avctx, tdata, jobnr, threadnr, IS_VP8); +} + + +static av_always_inline +int vp78_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, + AVPacket *avpkt, int is_vp7) { VP8Context *s = avctx->priv_data; int ret, i, referenced, num_jobs; enum AVDiscard skip_thresh; VP8Frame *av_uninit(curframe), *prev_frame; - if ((ret = decode_frame_header(s, avpkt->data, avpkt->size)) < 0) + if (is_vp7) + ret = vp7_decode_frame_header(s, avpkt->data, avpkt->size); + else + ret = vp8_decode_frame_header(s, avpkt->data, avpkt->size); + + if (ret < 0) goto err; prev_frame = s->framep[VP56_FRAME_CURRENT]; @@ -1940,21 +2488,7 @@ int ff_vp8_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, &s->frames[i] != s->framep[VP56_FRAME_GOLDEN2]) vp8_release_frame(s, &s->frames[i]); - // find a free buffer - for (i = 0; i < 5; i++) - if (&s->frames[i] != prev_frame && - &s->frames[i] != s->framep[VP56_FRAME_PREVIOUS] && - &s->frames[i] != s->framep[VP56_FRAME_GOLDEN] && - &s->frames[i] != s->framep[VP56_FRAME_GOLDEN2]) { - curframe = s->framep[VP56_FRAME_CURRENT] = &s->frames[i]; - break; - } - if (i == 5) { - av_log(avctx, AV_LOG_FATAL, "Ran out of free frames!\n"); - abort(); - } - if (curframe->tf.f->data[0]) - vp8_release_frame(s, curframe); + curframe = s->framep[VP56_FRAME_CURRENT] = vp8_find_free_buffer(s); /* Given that arithmetic probabilities are updated every frame, it's quite * likely that the values we have on a random interframe are complete @@ -2017,7 +2551,10 @@ int ff_vp8_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, if (prev_frame && s->segmentation.enabled && !s->segmentation.update_map) ff_thread_await_progress(&prev_frame->tf, 1, 0); - vp8_decode_mv_mb_modes(avctx, curframe, prev_frame); + if (is_vp7) + vp7_decode_mv_mb_modes(avctx, curframe, prev_frame); + else + vp8_decode_mv_mb_modes(avctx, curframe, prev_frame); } if (avctx->active_thread_type == FF_THREAD_FRAME) @@ -2033,8 +2570,12 @@ int ff_vp8_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, s->thread_data[i].thread_mb_pos = 0; s->thread_data[i].wait_mb_pos = INT_MAX; } - avctx->execute2(avctx, vp8_decode_mb_row_sliced, - s->thread_data, NULL, num_jobs); + if (is_vp7) + avctx->execute2(avctx, vp7_decode_mb_row_sliced, s->thread_data, NULL, + num_jobs); + else + avctx->execute2(avctx, vp8_decode_mb_row_sliced, s->thread_data, NULL, + num_jobs); ff_thread_report_progress(&curframe->tf, INT_MAX, 0); memcpy(&s->framep[0], &s->next_framep[0], sizeof(s->framep[0]) * 4); @@ -2057,6 +2598,20 @@ err: return ret; } +int ff_vp8_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, + AVPacket *avpkt) +{ + return vp78_decode_frame(avctx, data, got_frame, avpkt, IS_VP8); +} + +#if CONFIG_VP7_DECODER +static int vp7_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, + AVPacket *avpkt) +{ + return vp78_decode_frame(avctx, data, got_frame, avpkt, IS_VP7); +} +#endif /* CONFIG_VP7_DECODER */ + av_cold int ff_vp8_decode_free(AVCodecContext *avctx) { VP8Context *s = avctx->priv_data; @@ -2080,7 +2635,8 @@ static av_cold int vp8_init_frames(VP8Context *s) return 0; } -av_cold int ff_vp8_decode_init(AVCodecContext *avctx) +static av_always_inline +int vp78_decode_init(AVCodecContext *avctx, int is_vp7) { VP8Context *s = avctx->priv_data; int ret; @@ -2090,8 +2646,18 @@ av_cold int ff_vp8_decode_init(AVCodecContext *avctx) avctx->internal->allocate_progress = 1; ff_videodsp_init(&s->vdsp, 8); - ff_h264_pred_init(&s->hpc, AV_CODEC_ID_VP8, 8, 1); - ff_vp8dsp_init(&s->vp8dsp); + + ff_vp78dsp_init(&s->vp8dsp); + if (CONFIG_VP7_DECODER && is_vp7) { + ff_h264_pred_init(&s->hpc, AV_CODEC_ID_VP7, 8, 1); + ff_vp7dsp_init(&s->vp8dsp); + } else if (CONFIG_VP8_DECODER && !is_vp7) { + ff_h264_pred_init(&s->hpc, AV_CODEC_ID_VP8, 8, 1); + ff_vp8dsp_init(&s->vp8dsp); + } + + /* does not change for VP8 */ + memcpy(s->prob[0].scan, zigzag_scan, sizeof(s->prob[0].scan)); if ((ret = vp8_init_frames(s)) < 0) { ff_vp8_decode_free(avctx); @@ -2101,6 +2667,19 @@ av_cold int ff_vp8_decode_init(AVCodecContext *avctx) return 0; } +#if CONFIG_VP7_DECODER +static int vp7_decode_init(AVCodecContext *avctx) +{ + return vp78_decode_init(avctx, IS_VP7); +} +#endif /* CONFIG_VP7_DECODER */ + +av_cold int ff_vp8_decode_init(AVCodecContext *avctx) +{ + return vp78_decode_init(avctx, IS_VP8); +} + +#if CONFIG_VP8_DECODER static av_cold int vp8_decode_init_thread_copy(AVCodecContext *avctx) { VP8Context *s = avctx->priv_data; @@ -2151,7 +2730,24 @@ static int vp8_decode_update_thread_context(AVCodecContext *dst, return 0; } +#endif /* CONFIG_VP8_DECODER */ + +#if CONFIG_VP7_DECODER +AVCodec ff_vp7_decoder = { + .name = "vp7", + .long_name = NULL_IF_CONFIG_SMALL("On2 VP7"), + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_VP7, + .priv_data_size = sizeof(VP8Context), + .init = vp7_decode_init, + .close = ff_vp8_decode_free, + .decode = vp7_decode_frame, + .capabilities = CODEC_CAP_DR1, + .flush = vp8_decode_flush, +}; +#endif /* CONFIG_VP7_DECODER */ +#if CONFIG_VP8_DECODER AVCodec ff_vp8_decoder = { .name = "vp8", .long_name = NULL_IF_CONFIG_SMALL("On2 VP8"), @@ -2166,3 +2762,4 @@ AVCodec ff_vp8_decoder = { .init_thread_copy = ONLY_IF_THREADS_ENABLED(vp8_decode_init_thread_copy), .update_thread_context = ONLY_IF_THREADS_ENABLED(vp8_decode_update_thread_context), }; +#endif /* CONFIG_VP7_DECODER */ |