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-rw-r--r--libavcodec/vp8.c907
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,
- &copy);
+ mode = check_intra_pred4x4_mode_emuedge(intra4x4[x], mb_x + x,
+ mb_y + y, &copy, 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 */