* Copyright (C) 2010 Ronald S. Bultje
* Copyright (C) 2010 Jason Garrett-Glaser
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
#include "avcodec.h"
-#include "vp56.h"
+#include "vp8.h"
#include "vp8data.h"
-#include "vp8dsp.h"
-#include "h264pred.h"
#include "rectangle.h"
+#include "thread.h"
-typedef struct {
- uint8_t filter_level;
- uint8_t inner_limit;
- uint8_t inner_filter;
-} VP8FilterStrength;
-
-typedef struct {
- uint8_t skip;
- // todo: make it possible to check for at least (i4x4 or split_mv)
- // in one op. are others needed?
- uint8_t mode;
- uint8_t ref_frame;
- uint8_t partitioning;
- VP56mv mv;
- VP56mv bmv[16];
-} VP8Macroblock;
-
-typedef struct {
- AVCodecContext *avctx;
- DSPContext dsp;
- VP8DSPContext vp8dsp;
- H264PredContext hpc;
- vp8_mc_func put_pixels_tab[3][3][3];
- AVFrame frames[4];
- AVFrame *framep[4];
- uint8_t *edge_emu_buffer;
- VP56RangeCoder c; ///< header context, includes mb modes and motion vectors
- int profile;
-
- int mb_width; /* number of horizontal MB */
- int mb_height; /* number of vertical MB */
- int linesize;
- int uvlinesize;
-
- int keyframe;
- int invisible;
- int update_last; ///< update VP56_FRAME_PREVIOUS with the current one
- int update_golden; ///< VP56_FRAME_NONE if not updated, or which frame to copy if so
- int update_altref;
- int deblock_filter;
-
- /**
- * If this flag is not set, all the probability updates
- * are discarded after this frame is decoded.
- */
- int update_probabilities;
-
- /**
- * All coefficients are contained in separate arith coding contexts.
- * There can be 1, 2, 4, or 8 of these after the header context.
- */
- int num_coeff_partitions;
- VP56RangeCoder coeff_partition[8];
-
- VP8Macroblock *macroblocks;
- VP8Macroblock *macroblocks_base;
- VP8FilterStrength *filter_strength;
-
- uint8_t *intra4x4_pred_mode_top;
- uint8_t intra4x4_pred_mode_left[4];
- uint8_t *segmentation_map;
-
- /**
- * Cache of the top row needed for intra prediction
- * 16 for luma, 8 for each chroma plane
- */
- uint8_t (*top_border)[16+8+8];
-
- /**
- * For coeff decode, we need to know whether the above block had non-zero
- * coefficients. This means for each macroblock, we need data for 4 luma
- * blocks, 2 u blocks, 2 v blocks, and the luma dc block, for a total of 9
- * per macroblock. We keep the last row in top_nnz.
- */
- uint8_t (*top_nnz)[9];
- DECLARE_ALIGNED(8, uint8_t, left_nnz)[9];
-
- /**
- * This is the index plus one of the last non-zero coeff
- * for each of the blocks in the current macroblock.
- * So, 0 -> no coeffs
- * 1 -> dc-only (special transform)
- * 2+-> full transform
- */
- DECLARE_ALIGNED(16, uint8_t, non_zero_count_cache)[6][4];
- DECLARE_ALIGNED(16, DCTELEM, block)[6][4][16];
- DECLARE_ALIGNED(16, DCTELEM, block_dc)[16];
- uint8_t intra4x4_pred_mode_mb[16];
-
- int chroma_pred_mode; ///< 8x8c pred mode of the current macroblock
- int segment; ///< segment of the current macroblock
-
- int mbskip_enabled;
- int sign_bias[4]; ///< one state [0, 1] per ref frame type
- int ref_count[3];
-
- /**
- * Base parameters for segmentation, i.e. per-macroblock parameters.
- * These must be kept unchanged even if segmentation is not used for
- * a frame, since the values persist between interframes.
- */
- struct {
- int enabled;
- int absolute_vals;
- int update_map;
- int8_t base_quant[4];
- int8_t filter_level[4]; ///< base loop filter level
- } segmentation;
-
- /**
- * Macroblocks can have one of 4 different quants in a frame when
- * segmentation is enabled.
- * If segmentation is disabled, only the first segment's values are used.
- */
- struct {
- // [0] - DC qmul [1] - AC qmul
- int16_t luma_qmul[2];
- int16_t luma_dc_qmul[2]; ///< luma dc-only block quant
- int16_t chroma_qmul[2];
- } qmat[4];
-
- struct {
- int simple;
- int level;
- int sharpness;
- } filter;
-
- struct {
- int enabled; ///< whether each mb can have a different strength based on mode/ref
-
- /**
- * filter strength adjustment for the following macroblock modes:
- * [0] - i4x4
- * [1] - zero mv
- * [2] - inter modes except for zero or split mv
- * [3] - split mv
- * i16x16 modes never have any adjustment
- */
- int8_t mode[4];
-
- /**
- * filter strength adjustment for macroblocks that reference:
- * [0] - intra / VP56_FRAME_CURRENT
- * [1] - VP56_FRAME_PREVIOUS
- * [2] - VP56_FRAME_GOLDEN
- * [3] - altref / VP56_FRAME_GOLDEN2
- */
- int8_t ref[4];
- } lf_delta;
-
- /**
- * These are all of the updatable probabilities for binary decisions.
- * They are only implictly reset on keyframes, making it quite likely
- * for an interframe to desync if a prior frame's header was corrupt
- * or missing outright!
- */
- struct {
- uint8_t segmentid[3];
- uint8_t mbskip;
- uint8_t intra;
- uint8_t last;
- uint8_t golden;
- uint8_t pred16x16[4];
- uint8_t pred8x8c[3];
- /* Padded to allow overreads */
- uint8_t token[4][17][3][NUM_DCT_TOKENS-1];
- uint8_t mvc[2][19];
- } prob[2];
-} VP8Context;
+#if ARCH_ARM
+# include "arm/vp8.h"
+#endif
static void vp8_decode_flush(AVCodecContext *avctx)
{
VP8Context *s = avctx->priv_data;
int i;
- for (i = 0; i < 4; i++)
- if (s->frames[i].data[0])
- avctx->release_buffer(avctx, &s->frames[i]);
+ if (!avctx->is_copy) {
+ for (i = 0; i < 5; i++)
+ if (s->frames[i].data[0])
+ ff_thread_release_buffer(avctx, &s->frames[i]);
+ }
memset(s->framep, 0, sizeof(s->framep));
av_freep(&s->macroblocks_base);
static int update_dimensions(VP8Context *s, int width, int height)
{
- if (av_image_check_size(width, height, 0, s->avctx))
- return AVERROR_INVALIDDATA;
+ if (width != s->avctx->width ||
+ height != s->avctx->height) {
+ if (av_image_check_size(width, height, 0, s->avctx))
+ return AVERROR_INVALIDDATA;
- vp8_decode_flush(s->avctx);
+ vp8_decode_flush(s->avctx);
- avcodec_set_dimensions(s->avctx, width, height);
+ avcodec_set_dimensions(s->avctx, width, height);
+ }
s->mb_width = (s->avctx->coded_width +15) / 16;
s->mb_height = (s->avctx->coded_height+15) / 16;
for (i = 0; i < 4; i++)
s->lf_delta.ref[i] = vp8_rac_get_sint(c, 6);
- for (i = 0; i < 4; i++)
+ for (i = MODE_I4x4; i <= VP8_MVMODE_SPLIT; i++)
s->lf_delta.mode[i] = vp8_rac_get_sint(c, 6);
}
} else
base_qi = yac_qi;
- s->qmat[i].luma_qmul[0] = vp8_dc_qlookup[av_clip(base_qi + ydc_delta , 0, 127)];
- s->qmat[i].luma_qmul[1] = vp8_ac_qlookup[av_clip(base_qi , 0, 127)];
- s->qmat[i].luma_dc_qmul[0] = 2 * vp8_dc_qlookup[av_clip(base_qi + y2dc_delta, 0, 127)];
- s->qmat[i].luma_dc_qmul[1] = 155 * vp8_ac_qlookup[av_clip(base_qi + y2ac_delta, 0, 127)] / 100;
- s->qmat[i].chroma_qmul[0] = vp8_dc_qlookup[av_clip(base_qi + uvdc_delta, 0, 127)];
- s->qmat[i].chroma_qmul[1] = vp8_ac_qlookup[av_clip(base_qi + uvac_delta, 0, 127)];
+ s->qmat[i].luma_qmul[0] = vp8_dc_qlookup[av_clip_uintp2(base_qi + ydc_delta , 7)];
+ s->qmat[i].luma_qmul[1] = vp8_ac_qlookup[av_clip_uintp2(base_qi , 7)];
+ s->qmat[i].luma_dc_qmul[0] = 2 * vp8_dc_qlookup[av_clip_uintp2(base_qi + y2dc_delta, 7)];
+ s->qmat[i].luma_dc_qmul[1] = 155 * vp8_ac_qlookup[av_clip_uintp2(base_qi + y2ac_delta, 7)] / 100;
+ s->qmat[i].chroma_qmul[0] = vp8_dc_qlookup[av_clip_uintp2(base_qi + uvdc_delta, 7)];
+ s->qmat[i].chroma_qmul[1] = vp8_ac_qlookup[av_clip_uintp2(base_qi + uvac_delta, 7)];
s->qmat[i].luma_dc_qmul[1] = FFMAX(s->qmat[i].luma_dc_qmul[1], 8);
s->qmat[i].chroma_qmul[0] = FFMIN(s->qmat[i].chroma_qmul[0], 132);
return 0;
}
-static av_always_inline
-void clamp_mv(VP8Context *s, VP56mv *dst, const VP56mv *src, int mb_x, int mb_y)
+static av_always_inline void clamp_mv(VP8Context *s, VP56mv *dst, const VP56mv *src)
{
-#define MARGIN (16 << 2)
- dst->x = av_clip(src->x, -((mb_x << 6) + MARGIN),
- ((s->mb_width - 1 - mb_x) << 6) + MARGIN);
- dst->y = av_clip(src->y, -((mb_y << 6) + MARGIN),
- ((s->mb_height - 1 - mb_y) << 6) + MARGIN);
-}
-
-static av_always_inline
-void find_near_mvs(VP8Context *s, VP8Macroblock *mb,
- VP56mv near[2], VP56mv *best, uint8_t cnt[4])
-{
- VP8Macroblock *mb_edge[3] = { mb + 2 /* top */,
- mb - 1 /* left */,
- mb + 1 /* top-left */ };
- enum { EDGE_TOP, EDGE_LEFT, EDGE_TOPLEFT };
- VP56mv near_mv[4] = {{ 0 }};
- enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR, CNT_SPLITMV };
- int idx = CNT_ZERO;
- int best_idx = CNT_ZERO;
- int cur_sign_bias = s->sign_bias[mb->ref_frame];
- int *sign_bias = s->sign_bias;
-
- /* Process MB on top, left and top-left */
- #define MV_EDGE_CHECK(n)\
- {\
- VP8Macroblock *edge = mb_edge[n];\
- int edge_ref = edge->ref_frame;\
- if (edge_ref != VP56_FRAME_CURRENT) {\
- uint32_t mv = AV_RN32A(&edge->mv);\
- if (mv) {\
- if (cur_sign_bias != sign_bias[edge_ref]) {\
- /* SWAR negate of the values in mv. */\
- mv = ~mv;\
- mv = ((mv&0x7fff7fff) + 0x00010001) ^ (mv&0x80008000);\
- }\
- if (!n || mv != AV_RN32A(&near_mv[idx]))\
- AV_WN32A(&near_mv[++idx], mv);\
- cnt[idx] += 1 + (n != 2);\
- } else\
- cnt[CNT_ZERO] += 1 + (n != 2);\
- }\
- }
- MV_EDGE_CHECK(0)
- MV_EDGE_CHECK(1)
- MV_EDGE_CHECK(2)
-
- /* If we have three distinct MVs, merge first and last if they're the same */
- if (cnt[CNT_SPLITMV] && AV_RN32A(&near_mv[1+EDGE_TOP]) == AV_RN32A(&near_mv[1+EDGE_TOPLEFT]))
- cnt[CNT_NEAREST] += 1;
-
- cnt[CNT_SPLITMV] = ((mb_edge[EDGE_LEFT]->mode == VP8_MVMODE_SPLIT) +
- (mb_edge[EDGE_TOP]->mode == VP8_MVMODE_SPLIT)) * 2 +
- (mb_edge[EDGE_TOPLEFT]->mode == VP8_MVMODE_SPLIT);
-
- /* Swap near and nearest if necessary */
- if (cnt[CNT_NEAR] > cnt[CNT_NEAREST]) {
- FFSWAP(uint8_t, cnt[CNT_NEAREST], cnt[CNT_NEAR]);
- FFSWAP( VP56mv, near_mv[CNT_NEAREST], near_mv[CNT_NEAR]);
- }
-
- /* Choose the best mv out of 0,0 and the nearest mv */
- if (cnt[CNT_NEAREST] >= cnt[CNT_ZERO])
- best_idx = CNT_NEAREST;
-
- mb->mv = near_mv[best_idx];
- near[0] = near_mv[CNT_NEAREST];
- near[1] = near_mv[CNT_NEAR];
+ dst->x = av_clip(src->x, s->mv_min.x, s->mv_max.x);
+ dst->y = av_clip(src->y, s->mv_min.y, s->mv_max.y);
}
/**
return num;
}
+static av_always_inline
+void decode_mvs(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y)
+{
+ VP8Macroblock *mb_edge[3] = { mb + 2 /* top */,
+ mb - 1 /* left */,
+ mb + 1 /* top-left */ };
+ enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR, CNT_SPLITMV };
+ enum { VP8_EDGE_TOP, VP8_EDGE_LEFT, VP8_EDGE_TOPLEFT };
+ int idx = CNT_ZERO;
+ int cur_sign_bias = s->sign_bias[mb->ref_frame];
+ int8_t *sign_bias = s->sign_bias;
+ VP56mv near_mv[4];
+ uint8_t cnt[4] = { 0 };
+ VP56RangeCoder *c = &s->c;
+
+ AV_ZERO32(&near_mv[0]);
+ AV_ZERO32(&near_mv[1]);
+
+ /* Process MB on top, left and top-left */
+ #define MV_EDGE_CHECK(n)\
+ {\
+ VP8Macroblock *edge = mb_edge[n];\
+ int edge_ref = edge->ref_frame;\
+ if (edge_ref != VP56_FRAME_CURRENT) {\
+ uint32_t mv = AV_RN32A(&edge->mv);\
+ if (mv) {\
+ if (cur_sign_bias != sign_bias[edge_ref]) {\
+ /* SWAR negate of the values in mv. */\
+ mv = ~mv;\
+ mv = ((mv&0x7fff7fff) + 0x00010001) ^ (mv&0x80008000);\
+ }\
+ if (!n || mv != AV_RN32A(&near_mv[idx]))\
+ AV_WN32A(&near_mv[++idx], mv);\
+ cnt[idx] += 1 + (n != 2);\
+ } else\
+ cnt[CNT_ZERO] += 1 + (n != 2);\
+ }\
+ }
+
+ MV_EDGE_CHECK(0)
+ MV_EDGE_CHECK(1)
+ MV_EDGE_CHECK(2)
+
+ mb->partitioning = VP8_SPLITMVMODE_NONE;
+ if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_ZERO]][0])) {
+ mb->mode = VP8_MVMODE_MV;
+
+ /* If we have three distinct MVs, merge first and last if they're the same */
+ if (cnt[CNT_SPLITMV] && AV_RN32A(&near_mv[1 + VP8_EDGE_TOP]) == AV_RN32A(&near_mv[1 + VP8_EDGE_TOPLEFT]))
+ cnt[CNT_NEAREST] += 1;
+
+ /* Swap near and nearest if necessary */
+ if (cnt[CNT_NEAR] > cnt[CNT_NEAREST]) {
+ FFSWAP(uint8_t, cnt[CNT_NEAREST], cnt[CNT_NEAR]);
+ FFSWAP( VP56mv, near_mv[CNT_NEAREST], near_mv[CNT_NEAR]);
+ }
+
+ if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_NEAREST]][1])) {
+ if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_NEAR]][2])) {
+
+ /* Choose the best mv out of 0,0 and the nearest mv */
+ clamp_mv(s, &mb->mv, &near_mv[CNT_ZERO + (cnt[CNT_NEAREST] >= cnt[CNT_ZERO])]);
+ cnt[CNT_SPLITMV] = ((mb_edge[VP8_EDGE_LEFT]->mode == VP8_MVMODE_SPLIT) +
+ (mb_edge[VP8_EDGE_TOP]->mode == VP8_MVMODE_SPLIT)) * 2 +
+ (mb_edge[VP8_EDGE_TOPLEFT]->mode == VP8_MVMODE_SPLIT);
+
+ 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) - 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->bmv[0] = mb->mv;
+ }
+ } else {
+ clamp_mv(s, &mb->mv, &near_mv[CNT_NEAR]);
+ mb->bmv[0] = mb->mv;
+ }
+ } else {
+ clamp_mv(s, &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 decode_intra4x4_modes(VP8Context *s, VP56RangeCoder *c,
int mb_x, int keyframe)
}
static av_always_inline
-void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y, uint8_t *segment)
+void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y, uint8_t *segment, uint8_t *ref)
{
VP56RangeCoder *c = &s->c;
if (s->segmentation.update_map)
*segment = vp8_rac_get_tree(c, vp8_segmentid_tree, s->prob->segmentid);
+ else
+ *segment = ref ? *ref : *segment;
s->segment = *segment;
mb->skip = s->mbskip_enabled ? vp56_rac_get_prob(c, s->prob->mbskip) : 0;
s->chroma_pred_mode = vp8_rac_get_tree(c, vp8_pred8x8c_tree, vp8_pred8x8c_prob_intra);
mb->ref_frame = VP56_FRAME_CURRENT;
} else if (vp56_rac_get_prob_branchy(c, s->prob->intra)) {
- VP56mv near[2], best;
- uint8_t cnt[4] = { 0 };
-
// 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) ?
s->ref_count[mb->ref_frame-1]++;
// motion vectors, 16.3
- find_near_mvs(s, mb, near, &best, cnt);
- if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[0]][0])) {
- if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[1]][1])) {
- if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[2]][2])) {
- if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[3]][3])) {
- mb->mode = VP8_MVMODE_SPLIT;
- clamp_mv(s, &mb->mv, &mb->mv, mb_x, mb_y);
- mb->mv = mb->bmv[decode_splitmvs(s, c, mb) - 1];
- } else {
- mb->mode = VP8_MVMODE_NEW;
- clamp_mv(s, &mb->mv, &mb->mv, mb_x, mb_y);
- mb->mv.y += read_mv_component(c, s->prob->mvc[0]);
- mb->mv.x += read_mv_component(c, s->prob->mvc[1]);
- }
- } else {
- mb->mode = VP8_MVMODE_NEAR;
- clamp_mv(s, &mb->mv, &near[1], mb_x, mb_y);
- }
- } else {
- mb->mode = VP8_MVMODE_NEAREST;
- clamp_mv(s, &mb->mv, &near[0], mb_x, mb_y);
- }
- } else {
- mb->mode = VP8_MVMODE_ZERO;
- AV_ZERO32(&mb->mv);
- }
- if (mb->mode != VP8_MVMODE_SPLIT) {
- mb->partitioning = VP8_SPLITMVMODE_NONE;
- mb->bmv[0] = mb->mv;
- }
+ decode_mvs(s, mb, mb_x, mb_y);
} else {
// intra MB, 16.1
mb->mode = vp8_rac_get_tree(c, vp8_pred16x16_tree_inter, s->prob->pred16x16);
}
}
+#ifndef decode_block_coeffs_internal
/**
* @param c arithmetic bitstream reader context
* @param block destination for block coefficients
* @param probs probabilities to use when reading trees from the bitstream
* @param i initial coeff index, 0 unless a separate DC block is coded
- * @param zero_nhood the initial prediction context for number of surrounding
- * all-zero blocks (only left/top, so 0-2)
* @param qmul array holding the dc/ac dequant factor at position 0/1
* @return 0 if no coeffs were decoded
* otherwise, the index of the last coeff decoded plus one
*/
static int decode_block_coeffs_internal(VP56RangeCoder *c, DCTELEM block[16],
- uint8_t probs[8][3][NUM_DCT_TOKENS-1],
+ uint8_t probs[16][3][NUM_DCT_TOKENS-1],
int i, uint8_t *token_prob, int16_t qmul[2])
{
goto skip_eob;
int b = vp56_rac_get_prob(c, token_prob[9+a]);
int cat = (a<<1) + b;
coeff = 3 + (8<<cat);
- coeff += vp8_rac_get_coeff(c, vp8_dct_cat_prob[cat]);
+ coeff += vp8_rac_get_coeff(c, ff_vp8_dct_cat_prob[cat]);
}
}
token_prob = probs[i+1][2];
return i;
}
+#endif
+/**
+ * @param c arithmetic bitstream reader context
+ * @param block destination for block coefficients
+ * @param probs probabilities to use when reading trees from the bitstream
+ * @param i initial coeff index, 0 unless a separate DC block is coded
+ * @param zero_nhood the initial prediction context for number of surrounding
+ * all-zero blocks (only left/top, so 0-2)
+ * @param qmul array holding the dc/ac dequant factor at position 0/1
+ * @return 0 if no coeffs were decoded
+ * otherwise, the index of the last coeff decoded plus one
+ */
static av_always_inline
int decode_block_coeffs(VP56RangeCoder *c, DCTELEM block[16],
- uint8_t probs[8][3][NUM_DCT_TOKENS-1],
+ uint8_t probs[16][3][NUM_DCT_TOKENS-1],
int i, int zero_nhood, int16_t qmul[2])
{
uint8_t *token_prob = probs[i][zero_nhood];
}
static av_always_inline
-int check_intra_pred_mode(int mode, int mb_x, int mb_y)
+int check_dc_pred8x8_mode(int mode, int mb_x, int mb_y)
+{
+ if (!mb_x) {
+ return mb_y ? TOP_DC_PRED8x8 : DC_128_PRED8x8;
+ } else {
+ return mb_y ? mode : LEFT_DC_PRED8x8;
+ }
+}
+
+static av_always_inline
+int check_tm_pred8x8_mode(int mode, int mb_x, int mb_y)
+{
+ if (!mb_x) {
+ return mb_y ? VERT_PRED8x8 : DC_129_PRED8x8;
+ } else {
+ return mb_y ? mode : HOR_PRED8x8;
+ }
+}
+
+static av_always_inline
+int check_intra_pred8x8_mode(int mode, int mb_x, int mb_y)
{
if (mode == DC_PRED8x8) {
- if (!mb_x) {
- mode = mb_y ? TOP_DC_PRED8x8 : DC_128_PRED8x8;
- } else if (!mb_y) {
- mode = LEFT_DC_PRED8x8;
+ return check_dc_pred8x8_mode(mode, mb_x, mb_y);
+ } else {
+ return mode;
+ }
+}
+
+static av_always_inline
+int check_intra_pred8x8_mode_emuedge(int mode, int mb_x, int mb_y)
+{
+ 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;
+ case HOR_PRED8x8:
+ return !mb_x ? DC_129_PRED8x8 : mode;
+ case PLANE_PRED8x8 /*TM*/:
+ return check_tm_pred8x8_mode(mode, mb_x, mb_y);
+ }
+ return mode;
+}
+
+static av_always_inline
+int check_tm_pred4x4_mode(int mode, int mb_x, int mb_y)
+{
+ if (!mb_x) {
+ return mb_y ? VERT_VP8_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)
+{
+ switch (mode) {
+ case VERT_PRED:
+ if (!mb_x && mb_y) {
+ *copy_buf = 1;
+ return mode;
}
+ /* fall-through */
+ case DIAG_DOWN_LEFT_PRED:
+ case VERT_LEFT_PRED:
+ return !mb_y ? DC_127_PRED : mode;
+ case HOR_PRED:
+ if (!mb_y) {
+ *copy_buf = 1;
+ return mode;
+ }
+ /* fall-through */
+ case HOR_UP_PRED:
+ return !mb_x ? DC_129_PRED : mode;
+ case TM_VP8_PRED:
+ return check_tm_pred4x4_mode(mode, mb_x, mb_y);
+ case DC_PRED: // 4x4 DC doesn't use the same "H.264-style" exceptions as 16x16/8x8 DC
+ case DIAG_DOWN_RIGHT_PRED:
+ case VERT_RIGHT_PRED:
+ case HOR_DOWN_PRED:
+ if (!mb_y || !mb_x)
+ *copy_buf = 1;
+ return mode;
}
return mode;
}
void intra_predict(VP8Context *s, uint8_t *dst[3], VP8Macroblock *mb,
int mb_x, int mb_y)
{
+ AVCodecContext *avctx = s->avctx;
int x, y, mode, nnz, tr;
// for the first row, we need to run xchg_mb_border to init the top edge to 127
// otherwise, skip it if we aren't going to deblock
- if (s->deblock_filter || !mb_y)
+ if (!(avctx->flags & CODEC_FLAG_EMU_EDGE && !mb_y) && (s->deblock_filter || !mb_y))
xchg_mb_border(s->top_border[mb_x+1], dst[0], dst[1], dst[2],
s->linesize, s->uvlinesize, mb_x, mb_y, s->mb_width,
s->filter.simple, 1);
if (mb->mode < MODE_I4x4) {
- mode = check_intra_pred_mode(mb->mode, mb_x, mb_y);
+ if (avctx->flags & CODEC_FLAG_EMU_EDGE) { // tested
+ mode = check_intra_pred8x8_mode_emuedge(mb->mode, mb_x, mb_y);
+ } else {
+ mode = check_intra_pred8x8_mode(mb->mode, mb_x, mb_y);
+ }
s->hpc.pred16x16[mode](dst[0], s->linesize);
} else {
uint8_t *ptr = dst[0];
uint8_t *intra4x4 = s->intra4x4_pred_mode_mb;
+ uint8_t tr_top[4] = { 127, 127, 127, 127 };
// all blocks on the right edge of the macroblock use bottom edge
// the top macroblock for their topright edge
// if we're on the right edge of the frame, said edge is extended
// from the top macroblock
- if (mb_x == s->mb_width-1) {
+ if (!(!mb_y && avctx->flags & CODEC_FLAG_EMU_EDGE) &&
+ mb_x == s->mb_width-1) {
tr = tr_right[-1]*0x01010101;
tr_right = (uint8_t *)&tr;
}
for (y = 0; y < 4; y++) {
uint8_t *topright = ptr + 4 - s->linesize;
for (x = 0; x < 4; x++) {
- if (x == 3)
+ int copy = 0, linesize = s->linesize;
+ uint8_t *dst = ptr+4*x;
+ DECLARE_ALIGNED(4, uint8_t, copy_dst)[5*8];
+
+ if ((y == 0 || x == 3) && mb_y == 0 && avctx->flags & CODEC_FLAG_EMU_EDGE) {
+ topright = tr_top;
+ } else if (x == 3)
topright = tr_right;
- s->hpc.pred4x4[intra4x4[x]](ptr+4*x, topright, s->linesize);
+ if (avctx->flags & CODEC_FLAG_EMU_EDGE) { // mb_x+x or mb_y+y is a hack but works
+ mode = check_intra_pred4x4_mode_emuedge(intra4x4[x], mb_x + x, mb_y + y, ©);
+ if (copy) {
+ dst = copy_dst + 12;
+ linesize = 8;
+ if (!(mb_y + y)) {
+ copy_dst[3] = 127U;
+ AV_WN32A(copy_dst+4, 127U * 0x01010101U);
+ } else {
+ AV_COPY32(copy_dst+4, ptr+4*x-s->linesize);
+ if (!(mb_x + x)) {
+ copy_dst[3] = 129U;
+ } else {
+ copy_dst[3] = ptr[4*x-s->linesize-1];
+ }
+ }
+ if (!(mb_x + x)) {
+ copy_dst[11] =
+ copy_dst[19] =
+ copy_dst[27] =
+ copy_dst[35] = 129U;
+ } else {
+ copy_dst[11] = ptr[4*x -1];
+ copy_dst[19] = ptr[4*x+s->linesize -1];
+ copy_dst[27] = ptr[4*x+s->linesize*2-1];
+ copy_dst[35] = ptr[4*x+s->linesize*3-1];
+ }
+ }
+ } else {
+ mode = intra4x4[x];
+ }
+ s->hpc.pred4x4[mode](dst, topright, linesize);
+ if (copy) {
+ AV_COPY32(ptr+4*x , copy_dst+12);
+ AV_COPY32(ptr+4*x+s->linesize , copy_dst+20);
+ AV_COPY32(ptr+4*x+s->linesize*2, copy_dst+28);
+ AV_COPY32(ptr+4*x+s->linesize*3, copy_dst+36);
+ }
nnz = s->non_zero_count_cache[y][x];
if (nnz) {
}
}
- mode = check_intra_pred_mode(s->chroma_pred_mode, mb_x, mb_y);
+ if (avctx->flags & CODEC_FLAG_EMU_EDGE) {
+ mode = check_intra_pred8x8_mode_emuedge(s->chroma_pred_mode, mb_x, mb_y);
+ } else {
+ mode = check_intra_pred8x8_mode(s->chroma_pred_mode, mb_x, mb_y);
+ }
s->hpc.pred8x8[mode](dst[1], s->uvlinesize);
s->hpc.pred8x8[mode](dst[2], s->uvlinesize);
- if (s->deblock_filter || !mb_y)
+ if (!(avctx->flags & CODEC_FLAG_EMU_EDGE && !mb_y) && (s->deblock_filter || !mb_y))
xchg_mb_border(s->top_border[mb_x+1], dst[0], dst[1], dst[2],
s->linesize, s->uvlinesize, mb_x, mb_y, s->mb_width,
s->filter.simple, 0);
}
+static const uint8_t subpel_idx[3][8] = {
+ { 0, 1, 2, 1, 2, 1, 2, 1 }, // nr. of left extra pixels,
+ // also function pointer index
+ { 0, 3, 5, 3, 5, 3, 5, 3 }, // nr. of extra pixels required
+ { 0, 2, 3, 2, 3, 2, 3, 2 }, // nr. of right extra pixels
+};
+
/**
- * Generic MC function.
+ * luma MC function
*
* @param s VP8 decoding context
- * @param luma 1 for luma (Y) planes, 0 for chroma (Cb/Cr) planes
* @param dst target buffer for block data at block position
- * @param src reference picture buffer at origin (0, 0)
+ * @param ref reference picture buffer at origin (0, 0)
* @param mv motion vector (relative to block position) to get pixel data from
* @param x_off horizontal position of block from origin (0, 0)
* @param y_off vertical position of block from origin (0, 0)
* @param mc_func motion compensation function pointers (bilinear or sixtap MC)
*/
static av_always_inline
-void vp8_mc(VP8Context *s, int luma,
- uint8_t *dst, uint8_t *src, const VP56mv *mv,
- int x_off, int y_off, int block_w, int block_h,
- int width, int height, int linesize,
- vp8_mc_func mc_func[3][3])
+void vp8_mc_luma(VP8Context *s, uint8_t *dst, AVFrame *ref, const VP56mv *mv,
+ int x_off, int y_off, int block_w, int block_h,
+ int width, int height, int linesize,
+ vp8_mc_func mc_func[3][3])
{
+ uint8_t *src = ref->data[0];
+
if (AV_RN32A(mv)) {
- static const uint8_t idx[8] = { 0, 1, 2, 1, 2, 1, 2, 1 };
- int mx = (mv->x << luma)&7, mx_idx = idx[mx];
- int my = (mv->y << luma)&7, my_idx = idx[my];
- x_off += mv->x >> (3 - luma);
- y_off += mv->y >> (3 - luma);
+ int mx = (mv->x << 1)&7, mx_idx = subpel_idx[0][mx];
+ int my = (mv->y << 1)&7, my_idx = subpel_idx[0][my];
+
+ x_off += mv->x >> 2;
+ y_off += mv->y >> 2;
// edge emulation
+ ff_thread_await_progress(ref, (3 + y_off + block_h + subpel_idx[2][my]) >> 4, 0);
src += y_off * linesize + x_off;
- if (x_off < 2 || x_off >= width - block_w - 3 ||
- y_off < 2 || y_off >= height - block_h - 3) {
- ff_emulated_edge_mc(s->edge_emu_buffer, src - 2 * linesize - 2, linesize,
- block_w + 5, block_h + 5,
- x_off - 2, y_off - 2, width, height);
- src = s->edge_emu_buffer + 2 + linesize * 2;
+ if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
+ y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
+ s->dsp.emulated_edge_mc(s->edge_emu_buffer, src - my_idx * linesize - mx_idx, linesize,
+ block_w + subpel_idx[1][mx], block_h + subpel_idx[1][my],
+ x_off - mx_idx, y_off - my_idx, width, height);
+ src = s->edge_emu_buffer + mx_idx + linesize * my_idx;
}
mc_func[my_idx][mx_idx](dst, linesize, src, linesize, block_h, mx, my);
- } else
+ } else {
+ ff_thread_await_progress(ref, (3 + y_off + block_h) >> 4, 0);
mc_func[0][0](dst, linesize, src + y_off * linesize + x_off, linesize, block_h, 0, 0);
+ }
+}
+
+/**
+ * chroma MC function
+ *
+ * @param s VP8 decoding context
+ * @param dst1 target buffer for block data at block position (U plane)
+ * @param dst2 target buffer for block data at block position (V plane)
+ * @param ref reference picture buffer at origin (0, 0)
+ * @param mv motion vector (relative to block position) to get pixel data from
+ * @param x_off horizontal position of block from origin (0, 0)
+ * @param y_off vertical position of block from origin (0, 0)
+ * @param block_w width of block (16, 8 or 4)
+ * @param block_h height of block (always same as block_w)
+ * @param width width of src/dst plane data
+ * @param height height of src/dst plane data
+ * @param linesize size of a single line of plane data, including padding
+ * @param mc_func motion compensation function pointers (bilinear or sixtap MC)
+ */
+static av_always_inline
+void vp8_mc_chroma(VP8Context *s, uint8_t *dst1, uint8_t *dst2, AVFrame *ref,
+ const VP56mv *mv, int x_off, int y_off,
+ int block_w, int block_h, int width, int height, int linesize,
+ vp8_mc_func mc_func[3][3])
+{
+ uint8_t *src1 = ref->data[1], *src2 = ref->data[2];
+
+ if (AV_RN32A(mv)) {
+ int mx = mv->x&7, mx_idx = subpel_idx[0][mx];
+ int my = mv->y&7, my_idx = subpel_idx[0][my];
+
+ x_off += mv->x >> 3;
+ y_off += mv->y >> 3;
+
+ // edge emulation
+ src1 += y_off * linesize + x_off;
+ src2 += y_off * linesize + x_off;
+ ff_thread_await_progress(ref, (3 + y_off + block_h + subpel_idx[2][my]) >> 3, 0);
+ if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
+ y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
+ s->dsp.emulated_edge_mc(s->edge_emu_buffer, src1 - my_idx * linesize - mx_idx, linesize,
+ block_w + subpel_idx[1][mx], block_h + subpel_idx[1][my],
+ x_off - mx_idx, y_off - my_idx, width, height);
+ src1 = s->edge_emu_buffer + mx_idx + linesize * my_idx;
+ mc_func[my_idx][mx_idx](dst1, linesize, src1, linesize, block_h, mx, my);
+
+ s->dsp.emulated_edge_mc(s->edge_emu_buffer, src2 - my_idx * linesize - mx_idx, linesize,
+ block_w + subpel_idx[1][mx], block_h + subpel_idx[1][my],
+ x_off - mx_idx, y_off - my_idx, width, height);
+ src2 = s->edge_emu_buffer + mx_idx + linesize * my_idx;
+ mc_func[my_idx][mx_idx](dst2, linesize, src2, linesize, block_h, mx, my);
+ } else {
+ mc_func[my_idx][mx_idx](dst1, linesize, src1, linesize, block_h, mx, my);
+ mc_func[my_idx][mx_idx](dst2, linesize, src2, linesize, block_h, mx, my);
+ }
+ } else {
+ ff_thread_await_progress(ref, (3 + y_off + block_h) >> 3, 0);
+ mc_func[0][0](dst1, linesize, src1 + y_off * linesize + x_off, linesize, block_h, 0, 0);
+ mc_func[0][0](dst2, linesize, src2 + y_off * linesize + x_off, linesize, block_h, 0, 0);
+ }
}
static av_always_inline
VP56mv uvmv = *mv;
/* Y */
- vp8_mc(s, 1, dst[0] + by_off * s->linesize + bx_off,
- ref_frame->data[0], mv, x_off + bx_off, y_off + by_off,
- block_w, block_h, width, height, s->linesize,
- s->put_pixels_tab[block_w == 8]);
+ vp8_mc_luma(s, dst[0] + by_off * s->linesize + bx_off,
+ ref_frame, mv, x_off + bx_off, y_off + by_off,
+ block_w, block_h, width, height, s->linesize,
+ s->put_pixels_tab[block_w == 8]);
/* U/V */
if (s->profile == 3) {
bx_off >>= 1; by_off >>= 1;
width >>= 1; height >>= 1;
block_w >>= 1; block_h >>= 1;
- vp8_mc(s, 0, dst[1] + by_off * s->uvlinesize + bx_off,
- ref_frame->data[1], &uvmv, x_off + bx_off, y_off + by_off,
- block_w, block_h, width, height, s->uvlinesize,
- s->put_pixels_tab[1 + (block_w == 4)]);
- vp8_mc(s, 0, dst[2] + by_off * s->uvlinesize + bx_off,
- ref_frame->data[2], &uvmv, x_off + bx_off, y_off + by_off,
- block_w, block_h, width, height, s->uvlinesize,
- s->put_pixels_tab[1 + (block_w == 4)]);
+ vp8_mc_chroma(s, dst[1] + by_off * s->uvlinesize + bx_off,
+ dst[2] + by_off * s->uvlinesize + bx_off, ref_frame,
+ &uvmv, x_off + bx_off, y_off + by_off,
+ block_w, block_h, width, height, s->uvlinesize,
+ s->put_pixels_tab[1 + (block_w == 4)]);
}
/* Fetch pixels for estimated mv 4 macroblocks ahead.
int my = (mb->mv.y>>2) + y_off;
uint8_t **src= s->framep[ref]->data;
int off= mx + (my + (mb_x&3)*4)*s->linesize + 64;
+ /* For threading, a ff_thread_await_progress here might be useful, but
+ * it actually slows down the decoder. Since a bad prefetch doesn't
+ * generate bad decoder output, we don't run it here. */
s->dsp.prefetch(src[0]+off, s->linesize, 4);
off= (mx>>1) + ((my>>1) + (mb_x&7))*s->uvlinesize + 64;
s->dsp.prefetch(src[1]+off, src[2]-src[1], 2);
AVFrame *ref = s->framep[mb->ref_frame];
VP56mv *bmv = mb->bmv;
- if (mb->mode < VP8_MVMODE_SPLIT) {
+ switch (mb->partitioning) {
+ case VP8_SPLITMVMODE_NONE:
vp8_mc_part(s, dst, ref, x_off, y_off,
0, 0, 16, 16, width, height, &mb->mv);
- } else switch (mb->partitioning) {
+ break;
case VP8_SPLITMVMODE_4x4: {
int x, y;
VP56mv uvmv;
/* Y */
for (y = 0; y < 4; y++) {
for (x = 0; x < 4; x++) {
- vp8_mc(s, 1, dst[0] + 4*y*s->linesize + x*4,
- ref->data[0], &bmv[4*y + x],
- 4*x + x_off, 4*y + y_off, 4, 4,
- width, height, s->linesize,
- s->put_pixels_tab[2]);
+ vp8_mc_luma(s, dst[0] + 4*y*s->linesize + x*4,
+ ref, &bmv[4*y + x],
+ 4*x + x_off, 4*y + y_off, 4, 4,
+ width, height, s->linesize,
+ s->put_pixels_tab[2]);
}
}
uvmv.x &= ~7;
uvmv.y &= ~7;
}
- vp8_mc(s, 0, dst[1] + 4*y*s->uvlinesize + x*4,
- ref->data[1], &uvmv,
- 4*x + x_off, 4*y + y_off, 4, 4,
- width, height, s->uvlinesize,
- s->put_pixels_tab[2]);
- vp8_mc(s, 0, dst[2] + 4*y*s->uvlinesize + x*4,
- ref->data[2], &uvmv,
- 4*x + x_off, 4*y + y_off, 4, 4,
- width, height, s->uvlinesize,
- s->put_pixels_tab[2]);
+ vp8_mc_chroma(s, dst[1] + 4*y*s->uvlinesize + x*4,
+ dst[2] + 4*y*s->uvlinesize + x*4, ref, &uvmv,
+ 4*x + x_off, 4*y + y_off, 4, 4,
+ width, height, s->uvlinesize,
+ s->put_pixels_tab[2]);
}
}
break;
if (mb->mode != MODE_I4x4) {
uint8_t *y_dst = dst[0];
for (y = 0; y < 4; y++) {
- uint32_t nnz4 = AV_RN32A(s->non_zero_count_cache[y]);
+ uint32_t nnz4 = AV_RL32(s->non_zero_count_cache[y]);
if (nnz4) {
if (nnz4&~0x01010101) {
for (x = 0; x < 4; x++) {
- int nnz = s->non_zero_count_cache[y][x];
- if (nnz) {
- if (nnz == 1)
- s->vp8dsp.vp8_idct_dc_add(y_dst+4*x, s->block[y][x], s->linesize);
- else
- s->vp8dsp.vp8_idct_add(y_dst+4*x, s->block[y][x], s->linesize);
- }
+ if ((uint8_t)nnz4 == 1)
+ s->vp8dsp.vp8_idct_dc_add(y_dst+4*x, s->block[y][x], s->linesize);
+ else if((uint8_t)nnz4 > 1)
+ s->vp8dsp.vp8_idct_add(y_dst+4*x, s->block[y][x], s->linesize);
+ nnz4 >>= 8;
+ if (!nnz4)
+ break;
}
} else {
s->vp8dsp.vp8_idct_dc_add4y(y_dst, s->block[y], s->linesize);
}
for (ch = 0; ch < 2; ch++) {
- uint32_t nnz4 = AV_RN32A(s->non_zero_count_cache[4+ch]);
+ uint32_t nnz4 = AV_RL32(s->non_zero_count_cache[4+ch]);
if (nnz4) {
uint8_t *ch_dst = dst[1+ch];
if (nnz4&~0x01010101) {
for (y = 0; y < 2; y++) {
for (x = 0; x < 2; x++) {
- int nnz = s->non_zero_count_cache[4+ch][(y<<1)+x];
- if (nnz) {
- if (nnz == 1)
- s->vp8dsp.vp8_idct_dc_add(ch_dst+4*x, s->block[4+ch][(y<<1)+x], s->uvlinesize);
- else
- s->vp8dsp.vp8_idct_add(ch_dst+4*x, s->block[4+ch][(y<<1)+x], s->uvlinesize);
- }
+ if ((uint8_t)nnz4 == 1)
+ s->vp8dsp.vp8_idct_dc_add(ch_dst+4*x, s->block[4+ch][(y<<1)+x], s->uvlinesize);
+ else if((uint8_t)nnz4 > 1)
+ s->vp8dsp.vp8_idct_add(ch_dst+4*x, s->block[4+ch][(y<<1)+x], s->uvlinesize);
+ nnz4 >>= 8;
+ if (!nnz4)
+ goto chroma_idct_end;
}
ch_dst += 4*s->uvlinesize;
}
s->vp8dsp.vp8_idct_dc_add4uv(ch_dst, s->block[4+ch], s->uvlinesize);
}
}
+chroma_idct_end: ;
}
}
if (s->lf_delta.enabled) {
filter_level += s->lf_delta.ref[mb->ref_frame];
-
- if (mb->ref_frame == VP56_FRAME_CURRENT) {
- if (mb->mode == MODE_I4x4)
- filter_level += s->lf_delta.mode[0];
- } else {
- if (mb->mode == VP8_MVMODE_ZERO)
- filter_level += s->lf_delta.mode[1];
- else if (mb->mode == VP8_MVMODE_SPLIT)
- filter_level += s->lf_delta.mode[3];
- else
- filter_level += s->lf_delta.mode[2];
- }
+ filter_level += s->lf_delta.mode[mb->mode];
}
- filter_level = av_clip(filter_level, 0, 63);
+
+ filter_level = av_clip_uintp2(filter_level, 6);
interior_limit = filter_level;
if (s->filter.sharpness) {
- interior_limit >>= s->filter.sharpness > 4 ? 2 : 1;
+ interior_limit >>= (s->filter.sharpness + 3) >> 2;
interior_limit = FFMIN(interior_limit, 9 - s->filter.sharpness);
}
interior_limit = FFMAX(interior_limit, 1);
int inner_filter = f->inner_filter;
int linesize = s->linesize;
int uvlinesize = s->uvlinesize;
+ static const uint8_t hev_thresh_lut[2][64] = {
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ 3, 3, 3, 3 },
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2 }
+ };
if (!filter_level)
return;
- mbedge_lim = 2*(filter_level+2) + inner_limit;
- bedge_lim = 2* filter_level + inner_limit;
- hev_thresh = filter_level >= 15;
+ bedge_lim = 2*filter_level + inner_limit;
+ mbedge_lim = bedge_lim + 4;
- if (s->keyframe) {
- if (filter_level >= 40)
- hev_thresh = 2;
- } else {
- if (filter_level >= 40)
- hev_thresh = 3;
- else if (filter_level >= 20)
- hev_thresh = 2;
- }
+ hev_thresh = hev_thresh_lut[s->keyframe][filter_level];
if (mb_x) {
s->vp8dsp.vp8_h_loop_filter16y(dst[0], linesize,
if (!filter_level)
return;
- mbedge_lim = 2*(filter_level+2) + inner_limit;
- bedge_lim = 2* filter_level + inner_limit;
+ bedge_lim = 2*filter_level + inner_limit;
+ mbedge_lim = bedge_lim + 4;
if (mb_x)
s->vp8dsp.vp8_h_loop_filter_simple(dst, linesize, mbedge_lim);
}
}
-static void filter_mb_row(VP8Context *s, int mb_y)
+static void filter_mb_row(VP8Context *s, AVFrame *curframe, int mb_y)
{
VP8FilterStrength *f = s->filter_strength;
uint8_t *dst[3] = {
- s->framep[VP56_FRAME_CURRENT]->data[0] + 16*mb_y*s->linesize,
- s->framep[VP56_FRAME_CURRENT]->data[1] + 8*mb_y*s->uvlinesize,
- s->framep[VP56_FRAME_CURRENT]->data[2] + 8*mb_y*s->uvlinesize
+ curframe->data[0] + 16*mb_y*s->linesize,
+ curframe->data[1] + 8*mb_y*s->uvlinesize,
+ curframe->data[2] + 8*mb_y*s->uvlinesize
};
int mb_x;
}
}
-static void filter_mb_row_simple(VP8Context *s, int mb_y)
+static void filter_mb_row_simple(VP8Context *s, AVFrame *curframe, int mb_y)
{
VP8FilterStrength *f = s->filter_strength;
- uint8_t *dst = s->framep[VP56_FRAME_CURRENT]->data[0] + 16*mb_y*s->linesize;
+ uint8_t *dst = curframe->data[0] + 16*mb_y*s->linesize;
int mb_x;
for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
VP8Context *s = avctx->priv_data;
int ret, mb_x, mb_y, i, y, referenced;
enum AVDiscard skip_thresh;
- AVFrame *av_uninit(curframe);
+ AVFrame *av_uninit(curframe), *prev_frame = s->framep[VP56_FRAME_CURRENT];
if ((ret = decode_frame_header(s, avpkt->data, avpkt->size)) < 0)
return ret;
}
s->deblock_filter = s->filter.level && avctx->skip_loop_filter < skip_thresh;
- for (i = 0; i < 4; i++)
- if (&s->frames[i] != s->framep[VP56_FRAME_PREVIOUS] &&
+ // release no longer referenced frames
+ for (i = 0; i < 5; i++)
+ if (s->frames[i].data[0] &&
+ &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])
+ ff_thread_release_buffer(avctx, &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->data[0])
- avctx->release_buffer(avctx, curframe);
+ ff_thread_release_buffer(avctx, curframe);
curframe->key_frame = s->keyframe;
- curframe->pict_type = s->keyframe ? FF_I_TYPE : FF_P_TYPE;
+ curframe->pict_type = s->keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;
curframe->reference = referenced ? 3 : 0;
- if ((ret = avctx->get_buffer(avctx, curframe))) {
+ curframe->ref_index[0] = s->segmentation_map;
+ if ((ret = ff_thread_get_buffer(avctx, curframe))) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed!\n");
return ret;
}
+ // check if golden and altref are swapped
+ if (s->update_altref != VP56_FRAME_NONE) {
+ s->next_framep[VP56_FRAME_GOLDEN2] = s->framep[s->update_altref];
+ } else {
+ s->next_framep[VP56_FRAME_GOLDEN2] = s->framep[VP56_FRAME_GOLDEN2];
+ }
+ if (s->update_golden != VP56_FRAME_NONE) {
+ s->next_framep[VP56_FRAME_GOLDEN] = s->framep[s->update_golden];
+ } else {
+ s->next_framep[VP56_FRAME_GOLDEN] = s->framep[VP56_FRAME_GOLDEN];
+ }
+ if (s->update_last) {
+ s->next_framep[VP56_FRAME_PREVIOUS] = curframe;
+ } else {
+ s->next_framep[VP56_FRAME_PREVIOUS] = s->framep[VP56_FRAME_PREVIOUS];
+ }
+ s->next_framep[VP56_FRAME_CURRENT] = curframe;
+
+ ff_thread_finish_setup(avctx);
+
// Given that arithmetic probabilities are updated every frame, it's quite likely
// that the values we have on a random interframe are complete junk if we didn't
// start decode on a keyframe. So just don't display anything rather than junk.
memset(s->macroblocks + s->mb_height*2 - 1, 0, (s->mb_width+1)*sizeof(*s->macroblocks));
// top edge of 127 for intra prediction
- memset(s->top_border, 127, (s->mb_width+1)*sizeof(*s->top_border));
+ if (!(avctx->flags & CODEC_FLAG_EMU_EDGE)) {
+ s->top_border[0][15] = s->top_border[0][23] = 127;
+ memset(s->top_border[1]-1, 127, s->mb_width*sizeof(*s->top_border)+1);
+ }
memset(s->ref_count, 0, sizeof(s->ref_count));
if (s->keyframe)
memset(s->intra4x4_pred_mode_top, DC_PRED, s->mb_width*4);
+#define MARGIN (16 << 2)
+ s->mv_min.y = -MARGIN;
+ s->mv_max.y = ((s->mb_height - 1) << 6) + MARGIN;
+
for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
VP56RangeCoder *c = &s->coeff_partition[mb_y & (s->num_coeff_partitions-1)];
VP8Macroblock *mb = s->macroblocks + (s->mb_height - mb_y - 1)*2;
AV_WN32A(s->intra4x4_pred_mode_left, DC_PRED*0x01010101);
// left edge of 129 for intra prediction
- if (!(avctx->flags & CODEC_FLAG_EMU_EDGE))
+ if (!(avctx->flags & CODEC_FLAG_EMU_EDGE)) {
for (i = 0; i < 3; i++)
for (y = 0; y < 16>>!!i; y++)
dst[i][y*curframe->linesize[i]-1] = 129;
- if (mb_y)
- memset(s->top_border, 129, sizeof(*s->top_border));
+ if (mb_y == 1) // top left edge is also 129
+ s->top_border[0][15] = s->top_border[0][23] = s->top_border[0][31] = 129;
+ }
+
+ s->mv_min.x = -MARGIN;
+ s->mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
+ if (prev_frame && s->segmentation.enabled && !s->segmentation.update_map)
+ ff_thread_await_progress(prev_frame, mb_y, 0);
for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb_xy++, mb++) {
/* Prefetch the current frame, 4 MBs ahead */
s->dsp.prefetch(dst[0] + (mb_x&3)*4*s->linesize + 64, s->linesize, 4);
s->dsp.prefetch(dst[1] + (mb_x&7)*s->uvlinesize + 64, dst[2] - dst[1], 2);
- decode_mb_mode(s, mb, mb_x, mb_y, s->segmentation_map + mb_xy);
+ decode_mb_mode(s, mb, mb_x, mb_y, s->segmentation_map + mb_xy,
+ prev_frame ? prev_frame->ref_index[0] + mb_xy : NULL);
prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP56_FRAME_PREVIOUS);
dst[0] += 16;
dst[1] += 8;
dst[2] += 8;
+ s->mv_min.x -= 64;
+ s->mv_max.x -= 64;
}
if (s->deblock_filter) {
if (s->filter.simple)
- filter_mb_row_simple(s, mb_y);
+ filter_mb_row_simple(s, curframe, mb_y);
else
- filter_mb_row(s, mb_y);
+ filter_mb_row(s, curframe, mb_y);
}
+ s->mv_min.y -= 64;
+ s->mv_max.y -= 64;
+
+ ff_thread_report_progress(curframe, mb_y, 0);
}
+ ff_thread_report_progress(curframe, INT_MAX, 0);
skip_decode:
// if future frames don't use the updated probabilities,
// reset them to the values we saved
if (!s->update_probabilities)
s->prob[0] = s->prob[1];
- // check if golden and altref are swapped
- if (s->update_altref == VP56_FRAME_GOLDEN &&
- s->update_golden == VP56_FRAME_GOLDEN2)
- FFSWAP(AVFrame *, s->framep[VP56_FRAME_GOLDEN], s->framep[VP56_FRAME_GOLDEN2]);
- else {
- if (s->update_altref != VP56_FRAME_NONE)
- s->framep[VP56_FRAME_GOLDEN2] = s->framep[s->update_altref];
-
- if (s->update_golden != VP56_FRAME_NONE)
- s->framep[VP56_FRAME_GOLDEN] = s->framep[s->update_golden];
- }
-
- if (s->update_last) // move cur->prev
- s->framep[VP56_FRAME_PREVIOUS] = s->framep[VP56_FRAME_CURRENT];
-
- // release no longer referenced frames
- for (i = 0; i < 4; i++)
- if (s->frames[i].data[0] &&
- &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])
- avctx->release_buffer(avctx, &s->frames[i]);
+ memcpy(&s->framep[0], &s->next_framep[0], sizeof(s->framep[0]) * 4);
if (!s->invisible) {
- *(AVFrame*)data = *s->framep[VP56_FRAME_CURRENT];
+ *(AVFrame*)data = *curframe;
*data_size = sizeof(AVFrame);
}
avctx->pix_fmt = PIX_FMT_YUV420P;
dsputil_init(&s->dsp, avctx);
- ff_h264_pred_init(&s->hpc, CODEC_ID_VP8);
+ ff_h264_pred_init(&s->hpc, CODEC_ID_VP8, 8);
ff_vp8dsp_init(&s->vp8dsp);
- // intra pred needs edge emulation among other things
- if (avctx->flags&CODEC_FLAG_EMU_EDGE) {
- av_log(avctx, AV_LOG_ERROR, "Edge emulation not supported\n");
- return AVERROR_PATCHWELCOME;
- }
-
return 0;
}
return 0;
}
-AVCodec vp8_decoder = {
- "vp8",
- AVMEDIA_TYPE_VIDEO,
- CODEC_ID_VP8,
- sizeof(VP8Context),
- vp8_decode_init,
- NULL,
- vp8_decode_free,
- vp8_decode_frame,
- CODEC_CAP_DR1,
+static av_cold int vp8_decode_init_thread_copy(AVCodecContext *avctx)
+{
+ VP8Context *s = avctx->priv_data;
+
+ s->avctx = avctx;
+
+ return 0;
+}
+
+#define REBASE(pic) \
+ pic ? pic - &s_src->frames[0] + &s->frames[0] : NULL
+
+static int vp8_decode_update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
+{
+ VP8Context *s = dst->priv_data, *s_src = src->priv_data;
+
+ s->prob[0] = s_src->prob[!s_src->update_probabilities];
+ s->segmentation = s_src->segmentation;
+ s->lf_delta = s_src->lf_delta;
+ memcpy(s->sign_bias, s_src->sign_bias, sizeof(s->sign_bias));
+
+ memcpy(&s->frames, &s_src->frames, sizeof(s->frames));
+ s->framep[0] = REBASE(s_src->next_framep[0]);
+ s->framep[1] = REBASE(s_src->next_framep[1]);
+ s->framep[2] = REBASE(s_src->next_framep[2]);
+ s->framep[3] = REBASE(s_src->next_framep[3]);
+
+ return 0;
+}
+
+AVCodec ff_vp8_decoder = {
+ .name = "vp8",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_VP8,
+ .priv_data_size = sizeof(VP8Context),
+ .init = vp8_decode_init,
+ .close = vp8_decode_free,
+ .decode = vp8_decode_frame,
+ .capabilities = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS,
.flush = vp8_decode_flush,
.long_name = NULL_IF_CONFIG_SMALL("On2 VP8"),
+ .init_thread_copy = ONLY_IF_THREADS_ENABLED(vp8_decode_init_thread_copy),
+ .update_thread_context = ONLY_IF_THREADS_ENABLED(vp8_decode_update_thread_context),
};