#include "internal.h"
#include "avcodec.h"
#include "mpegutils.h"
-#include "h264.h"
-
-#include "h264data.h" // FIXME FIXME FIXME
-
-#include "h264_mvpred.h"
+#include "h264dec.h"
+#include "h264data.h"
#include "golomb.h"
#include "hpeldsp.h"
+#include "mathops.h"
#include "rectangle.h"
#include "tpeldsp.h"
#endif
#include "svq1.h"
-#include "svq3.h"
/**
* @file
* svq3 decoder.
*/
+typedef struct SVQ3Frame {
+ AVFrame *f;
+
+ AVBufferRef *motion_val_buf[2];
+ int16_t (*motion_val[2])[2];
+
+ AVBufferRef *mb_type_buf;
+ uint32_t *mb_type;
+
+
+ AVBufferRef *ref_index_buf[2];
+ int8_t *ref_index[2];
+} SVQ3Frame;
+
typedef struct SVQ3Context {
- H264Context h;
+ AVCodecContext *avctx;
+
+ H264DSPContext h264dsp;
+ H264PredContext hpc;
HpelDSPContext hdsp;
TpelDSPContext tdsp;
- H264Picture *cur_pic;
- H264Picture *next_pic;
- H264Picture *last_pic;
+ VideoDSPContext vdsp;
+
+ SVQ3Frame *cur_pic;
+ SVQ3Frame *next_pic;
+ SVQ3Frame *last_pic;
+ GetBitContext gb;
+ GetBitContext gb_slice;
+ uint8_t *slice_buf;
+ int slice_size;
int halfpel_flag;
int thirdpel_flag;
int unknown_flag;
- int next_slice_index;
uint32_t watermark_key;
int adaptive_quant;
int next_p_frame_damaged;
int h_edge_pos;
int v_edge_pos;
int last_frame_output;
+ int slice_num;
+ int qscale;
+ int cbp;
+ int frame_num;
+ int frame_num_offset;
+ int prev_frame_num_offset;
+ int prev_frame_num;
+
+ enum AVPictureType pict_type;
+ int low_delay;
+
+ int mb_x, mb_y;
+ int mb_xy;
+ int mb_width, mb_height;
+ int mb_stride, mb_num;
+ int b_stride;
+
+ uint32_t *mb2br_xy;
+
+ int chroma_pred_mode;
+ int intra16x16_pred_mode;
+
+ int8_t intra4x4_pred_mode_cache[5 * 8];
+ int8_t (*intra4x4_pred_mode);
+
+ unsigned int top_samples_available;
+ unsigned int topright_samples_available;
+ unsigned int left_samples_available;
+
+ uint8_t *edge_emu_buffer;
+
+ DECLARE_ALIGNED(16, int16_t, mv_cache)[2][5 * 8][2];
+ DECLARE_ALIGNED(8, int8_t, ref_cache)[2][5 * 8];
+ DECLARE_ALIGNED(16, int16_t, mb)[16 * 48 * 2];
+ DECLARE_ALIGNED(16, int16_t, mb_luma_dc)[3][16 * 2];
+ DECLARE_ALIGNED(8, uint8_t, non_zero_count_cache)[15 * 8];
+ uint32_t dequant4_coeff[QP_MAX_NUM + 1][16];
+ int block_offset[2 * (16 * 3)];
} SVQ3Context;
#define FULLPEL_MODE 1
#define THIRDPEL_MODE 3
#define PREDICT_MODE 4
-/* dual scan (from some older h264 draft)
+/* dual scan (from some older H.264 draft)
* o-->o-->o o
* | /|
* o o o / o
61694, 68745, 77615, 89113, 100253, 109366, 126635, 141533
};
-void ff_svq3_luma_dc_dequant_idct_c(int16_t *output, int16_t *input, int qp)
+static void svq3_luma_dc_dequant_idct_c(int16_t *output, int16_t *input, int qp)
{
const int qmul = svq3_dequant_coeff[qp];
#define stride 16
}
#undef stride
-void ff_svq3_add_idct_c(uint8_t *dst, int16_t *block,
- int stride, int qp, int dc)
+static void svq3_add_idct_c(uint8_t *dst, int16_t *block,
+ int stride, int qp, int dc)
{
const int qmul = svq3_dequant_coeff[qp];
int i;
static inline int svq3_decode_block(GetBitContext *gb, int16_t *block,
int index, const int type)
{
- static const uint8_t *const scan_patterns[4] =
- { luma_dc_zigzag_scan, zigzag_scan, svq3_scan, chroma_dc_scan };
+ static const uint8_t *const scan_patterns[4] = {
+ luma_dc_zigzag_scan, ff_zigzag_scan, svq3_scan, ff_h264_chroma_dc_scan
+ };
int run, level, limit;
unsigned vlc;
const uint8_t *const scan = scan_patterns[type];
for (limit = (16 >> intra); index < 16; index = limit, limit += 8) {
- for (; (vlc = svq3_get_ue_golomb(gb)) != 0; index++) {
+ for (; (vlc = get_interleaved_ue_golomb(gb)) != 0; index++) {
int sign = (vlc & 1) ? 0 : -1;
vlc = vlc + 1 >> 1;
return 0;
}
+static av_always_inline int
+svq3_fetch_diagonal_mv(const SVQ3Context *s, const int16_t **C,
+ int i, int list, int part_width)
+{
+ const int topright_ref = s->ref_cache[list][i - 8 + part_width];
+
+ if (topright_ref != PART_NOT_AVAILABLE) {
+ *C = s->mv_cache[list][i - 8 + part_width];
+ return topright_ref;
+ } else {
+ *C = s->mv_cache[list][i - 8 - 1];
+ return s->ref_cache[list][i - 8 - 1];
+ }
+}
+
+/**
+ * Get the predicted MV.
+ * @param n the block index
+ * @param part_width the width of the partition (4, 8,16) -> (1, 2, 4)
+ * @param mx the x component of the predicted motion vector
+ * @param my the y component of the predicted motion vector
+ */
+static av_always_inline void svq3_pred_motion(const SVQ3Context *s, int n,
+ int part_width, int list,
+ int ref, int *const mx, int *const my)
+{
+ const int index8 = scan8[n];
+ const int top_ref = s->ref_cache[list][index8 - 8];
+ const int left_ref = s->ref_cache[list][index8 - 1];
+ const int16_t *const A = s->mv_cache[list][index8 - 1];
+ const int16_t *const B = s->mv_cache[list][index8 - 8];
+ const int16_t *C;
+ int diagonal_ref, match_count;
+
+/* mv_cache
+ * B . . A T T T T
+ * U . . L . . , .
+ * U . . L . . . .
+ * U . . L . . , .
+ * . . . L . . . .
+ */
+
+ diagonal_ref = svq3_fetch_diagonal_mv(s, &C, index8, list, part_width);
+ match_count = (diagonal_ref == ref) + (top_ref == ref) + (left_ref == ref);
+ if (match_count > 1) { //most common
+ *mx = mid_pred(A[0], B[0], C[0]);
+ *my = mid_pred(A[1], B[1], C[1]);
+ } else if (match_count == 1) {
+ if (left_ref == ref) {
+ *mx = A[0];
+ *my = A[1];
+ } else if (top_ref == ref) {
+ *mx = B[0];
+ *my = B[1];
+ } else {
+ *mx = C[0];
+ *my = C[1];
+ }
+ } else {
+ if (top_ref == PART_NOT_AVAILABLE &&
+ diagonal_ref == PART_NOT_AVAILABLE &&
+ left_ref != PART_NOT_AVAILABLE) {
+ *mx = A[0];
+ *my = A[1];
+ } else {
+ *mx = mid_pred(A[0], B[0], C[0]);
+ *my = mid_pred(A[1], B[1], C[1]);
+ }
+ }
+}
+
static inline void svq3_mc_dir_part(SVQ3Context *s,
int x, int y, int width, int height,
int mx, int my, int dxy,
int thirdpel, int dir, int avg)
{
- H264Context *h = &s->h;
- const H264Picture *pic = (dir == 0) ? s->last_pic : s->next_pic;
+ const SVQ3Frame *pic = (dir == 0) ? s->last_pic : s->next_pic;
uint8_t *src, *dest;
int i, emu = 0;
int blocksize = 2 - (width >> 3); // 16->0, 8->1, 4->2
+ int linesize = s->cur_pic->f->linesize[0];
+ int uvlinesize = s->cur_pic->f->linesize[1];
mx += x;
my += y;
}
/* form component predictions */
- dest = h->cur_pic.f.data[0] + x + y * h->linesize;
- src = pic->f.data[0] + mx + my * h->linesize;
+ dest = s->cur_pic->f->data[0] + x + y * linesize;
+ src = pic->f->data[0] + mx + my * linesize;
if (emu) {
- h->vdsp.emulated_edge_mc(h->edge_emu_buffer, src,
- h->linesize, h->linesize,
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer, src,
+ linesize, linesize,
width + 1, height + 1,
mx, my, s->h_edge_pos, s->v_edge_pos);
- src = h->edge_emu_buffer;
+ src = s->edge_emu_buffer;
}
if (thirdpel)
(avg ? s->tdsp.avg_tpel_pixels_tab
- : s->tdsp.put_tpel_pixels_tab)[dxy](dest, src, h->linesize,
+ : s->tdsp.put_tpel_pixels_tab)[dxy](dest, src, linesize,
width, height);
else
(avg ? s->hdsp.avg_pixels_tab
- : s->hdsp.put_pixels_tab)[blocksize][dxy](dest, src, h->linesize,
+ : s->hdsp.put_pixels_tab)[blocksize][dxy](dest, src, linesize,
height);
- if (!(h->flags & CODEC_FLAG_GRAY)) {
+ if (!(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
mx = mx + (mx < (int) x) >> 1;
my = my + (my < (int) y) >> 1;
width = width >> 1;
blocksize++;
for (i = 1; i < 3; i++) {
- dest = h->cur_pic.f.data[i] + (x >> 1) + (y >> 1) * h->uvlinesize;
- src = pic->f.data[i] + mx + my * h->uvlinesize;
+ dest = s->cur_pic->f->data[i] + (x >> 1) + (y >> 1) * uvlinesize;
+ src = pic->f->data[i] + mx + my * uvlinesize;
if (emu) {
- h->vdsp.emulated_edge_mc(h->edge_emu_buffer, src,
- h->uvlinesize, h->uvlinesize,
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer, src,
+ uvlinesize, uvlinesize,
width + 1, height + 1,
mx, my, (s->h_edge_pos >> 1),
s->v_edge_pos >> 1);
- src = h->edge_emu_buffer;
+ src = s->edge_emu_buffer;
}
if (thirdpel)
(avg ? s->tdsp.avg_tpel_pixels_tab
: s->tdsp.put_tpel_pixels_tab)[dxy](dest, src,
- h->uvlinesize,
+ uvlinesize,
width, height);
else
(avg ? s->hdsp.avg_pixels_tab
: s->hdsp.put_pixels_tab)[blocksize][dxy](dest, src,
- h->uvlinesize,
+ uvlinesize,
height);
}
}
int dir, int avg)
{
int i, j, k, mx, my, dx, dy, x, y;
- H264Context *h = &s->h;
- H264SliceContext *sl = &h->slice_ctx[0];
const int part_width = ((size & 5) == 4) ? 4 : 16 >> (size & 1);
const int part_height = 16 >> ((unsigned)(size + 1) / 3);
const int extra_width = (mode == PREDICT_MODE) ? -16 * 6 : 0;
for (i = 0; i < 16; i += part_height)
for (j = 0; j < 16; j += part_width) {
- const int b_xy = (4 * h->mb_x + (j >> 2)) +
- (4 * h->mb_y + (i >> 2)) * h->b_stride;
+ const int b_xy = (4 * s->mb_x + (j >> 2)) +
+ (4 * s->mb_y + (i >> 2)) * s->b_stride;
int dxy;
- x = 16 * h->mb_x + j;
- y = 16 * h->mb_y + i;
+ x = 16 * s->mb_x + j;
+ y = 16 * s->mb_y + i;
k = (j >> 2 & 1) + (i >> 1 & 2) +
(j >> 1 & 4) + (i & 8);
if (mode != PREDICT_MODE) {
- pred_motion(h, sl, k, part_width >> 2, dir, 1, &mx, &my);
+ svq3_pred_motion(s, k, part_width >> 2, dir, 1, &mx, &my);
} else {
mx = s->next_pic->motion_val[0][b_xy][0] << 1;
my = s->next_pic->motion_val[0][b_xy][1] << 1;
if (dir == 0) {
- mx = mx * h->frame_num_offset /
- h->prev_frame_num_offset + 1 >> 1;
- my = my * h->frame_num_offset /
- h->prev_frame_num_offset + 1 >> 1;
+ mx = mx * s->frame_num_offset /
+ s->prev_frame_num_offset + 1 >> 1;
+ my = my * s->frame_num_offset /
+ s->prev_frame_num_offset + 1 >> 1;
} else {
- mx = mx * (h->frame_num_offset - h->prev_frame_num_offset) /
- h->prev_frame_num_offset + 1 >> 1;
- my = my * (h->frame_num_offset - h->prev_frame_num_offset) /
- h->prev_frame_num_offset + 1 >> 1;
+ mx = mx * (s->frame_num_offset - s->prev_frame_num_offset) /
+ s->prev_frame_num_offset + 1 >> 1;
+ my = my * (s->frame_num_offset - s->prev_frame_num_offset) /
+ s->prev_frame_num_offset + 1 >> 1;
}
}
if (mode == PREDICT_MODE) {
dx = dy = 0;
} else {
- dy = svq3_get_se_golomb(&h->gb);
- dx = svq3_get_se_golomb(&h->gb);
+ dy = get_interleaved_se_golomb(&s->gb_slice);
+ dx = get_interleaved_se_golomb(&s->gb_slice);
if (dx == INVALID_VLC || dy == INVALID_VLC) {
- av_log(h->avctx, AV_LOG_ERROR, "invalid MV vlc\n");
+ av_log(s->avctx, AV_LOG_ERROR, "invalid MV vlc\n");
return -1;
}
}
int32_t mv = pack16to32(mx, my);
if (part_height == 8 && i < 8) {
- AV_WN32A(h->mv_cache[dir][scan8[k] + 1 * 8], mv);
+ AV_WN32A(s->mv_cache[dir][scan8[k] + 1 * 8], mv);
if (part_width == 8 && j < 8)
- AV_WN32A(h->mv_cache[dir][scan8[k] + 1 + 1 * 8], mv);
+ AV_WN32A(s->mv_cache[dir][scan8[k] + 1 + 1 * 8], mv);
}
if (part_width == 8 && j < 8)
- AV_WN32A(h->mv_cache[dir][scan8[k] + 1], mv);
+ AV_WN32A(s->mv_cache[dir][scan8[k] + 1], mv);
if (part_width == 4 || part_height == 4)
- AV_WN32A(h->mv_cache[dir][scan8[k]], mv);
+ AV_WN32A(s->mv_cache[dir][scan8[k]], mv);
}
/* write back motion vectors */
- fill_rectangle(h->cur_pic.motion_val[dir][b_xy],
- part_width >> 2, part_height >> 2, h->b_stride,
+ fill_rectangle(s->cur_pic->motion_val[dir][b_xy],
+ part_width >> 2, part_height >> 2, s->b_stride,
pack16to32(mx, my), 4);
}
return 0;
}
+static av_always_inline void hl_decode_mb_idct_luma(SVQ3Context *s,
+ int mb_type, const int *block_offset,
+ int linesize, uint8_t *dest_y)
+{
+ int i;
+ if (!IS_INTRA4x4(mb_type)) {
+ for (i = 0; i < 16; i++)
+ if (s->non_zero_count_cache[scan8[i]] || s->mb[i * 16]) {
+ uint8_t *const ptr = dest_y + block_offset[i];
+ svq3_add_idct_c(ptr, s->mb + i * 16, linesize,
+ s->qscale, IS_INTRA(mb_type) ? 1 : 0);
+ }
+ }
+}
+
+static av_always_inline void hl_decode_mb_predict_luma(SVQ3Context *s,
+ int mb_type,
+ const int *block_offset,
+ int linesize,
+ uint8_t *dest_y)
+{
+ int i;
+ int qscale = s->qscale;
+
+ if (IS_INTRA4x4(mb_type)) {
+ for (i = 0; i < 16; i++) {
+ uint8_t *const ptr = dest_y + block_offset[i];
+ const int dir = s->intra4x4_pred_mode_cache[scan8[i]];
+
+ uint8_t *topright;
+ int nnz, tr;
+ if (dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED) {
+ const int topright_avail = (s->topright_samples_available << i) & 0x8000;
+ assert(s->mb_y || linesize <= block_offset[i]);
+ if (!topright_avail) {
+ tr = ptr[3 - linesize] * 0x01010101u;
+ topright = (uint8_t *)&tr;
+ } else
+ topright = ptr + 4 - linesize;
+ } else
+ topright = NULL;
+
+ s->hpc.pred4x4[dir](ptr, topright, linesize);
+ nnz = s->non_zero_count_cache[scan8[i]];
+ if (nnz) {
+ svq3_add_idct_c(ptr, s->mb + i * 16, linesize, qscale, 0);
+ }
+ }
+ } else {
+ s->hpc.pred16x16[s->intra16x16_pred_mode](dest_y, linesize);
+ svq3_luma_dc_dequant_idct_c(s->mb, s->mb_luma_dc[0], qscale);
+ }
+}
+
+static void hl_decode_mb(SVQ3Context *s)
+{
+ const int mb_x = s->mb_x;
+ const int mb_y = s->mb_y;
+ const int mb_xy = s->mb_xy;
+ const int mb_type = s->cur_pic->mb_type[mb_xy];
+ uint8_t *dest_y, *dest_cb, *dest_cr;
+ int linesize, uvlinesize;
+ int i, j;
+ const int *block_offset = &s->block_offset[0];
+ const int block_h = 16 >> 1;
+
+ linesize = s->cur_pic->f->linesize[0];
+ uvlinesize = s->cur_pic->f->linesize[1];
+
+ dest_y = s->cur_pic->f->data[0] + (mb_x + mb_y * linesize) * 16;
+ dest_cb = s->cur_pic->f->data[1] + mb_x * 8 + mb_y * uvlinesize * block_h;
+ dest_cr = s->cur_pic->f->data[2] + mb_x * 8 + mb_y * uvlinesize * block_h;
+
+ s->vdsp.prefetch(dest_y + (s->mb_x & 3) * 4 * linesize + 64, linesize, 4);
+ s->vdsp.prefetch(dest_cb + (s->mb_x & 7) * uvlinesize + 64, dest_cr - dest_cb, 2);
+
+ if (IS_INTRA(mb_type)) {
+ s->hpc.pred8x8[s->chroma_pred_mode](dest_cb, uvlinesize);
+ s->hpc.pred8x8[s->chroma_pred_mode](dest_cr, uvlinesize);
+
+ hl_decode_mb_predict_luma(s, mb_type, block_offset, linesize, dest_y);
+ }
+
+ hl_decode_mb_idct_luma(s, mb_type, block_offset, linesize, dest_y);
+
+ if (s->cbp & 0x30) {
+ uint8_t *dest[2] = { dest_cb, dest_cr };
+ s->h264dsp.h264_chroma_dc_dequant_idct(s->mb + 16 * 16 * 1,
+ s->dequant4_coeff[4][0]);
+ s->h264dsp.h264_chroma_dc_dequant_idct(s->mb + 16 * 16 * 2,
+ s->dequant4_coeff[4][0]);
+ for (j = 1; j < 3; j++) {
+ for (i = j * 16; i < j * 16 + 4; i++)
+ if (s->non_zero_count_cache[scan8[i]] || s->mb[i * 16]) {
+ uint8_t *const ptr = dest[j - 1] + block_offset[i];
+ svq3_add_idct_c(ptr, s->mb + i * 16,
+ uvlinesize, ff_h264_chroma_qp[0][s->qscale + 12] - 12, 2);
+ }
+ }
+ }
+}
+
static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
{
- H264Context *h = &s->h;
- H264SliceContext *sl = &h->slice_ctx[0];
int i, j, k, m, dir, mode;
int cbp = 0;
uint32_t vlc;
int8_t *top, *left;
- const int mb_xy = h->mb_xy;
- const int b_xy = 4 * h->mb_x + 4 * h->mb_y * h->b_stride;
+ const int mb_xy = s->mb_xy;
+ const int b_xy = 4 * s->mb_x + 4 * s->mb_y * s->b_stride;
- sl->top_samples_available = (h->mb_y == 0) ? 0x33FF : 0xFFFF;
- sl->left_samples_available = (h->mb_x == 0) ? 0x5F5F : 0xFFFF;
- sl->topright_samples_available = 0xFFFF;
+ s->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;
+ s->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;
+ s->topright_samples_available = 0xFFFF;
if (mb_type == 0) { /* SKIP */
- if (h->pict_type == AV_PICTURE_TYPE_P ||
+ if (s->pict_type == AV_PICTURE_TYPE_P ||
s->next_pic->mb_type[mb_xy] == -1) {
- svq3_mc_dir_part(s, 16 * h->mb_x, 16 * h->mb_y, 16, 16,
+ svq3_mc_dir_part(s, 16 * s->mb_x, 16 * s->mb_y, 16, 16,
0, 0, 0, 0, 0, 0);
- if (h->pict_type == AV_PICTURE_TYPE_B)
- svq3_mc_dir_part(s, 16 * h->mb_x, 16 * h->mb_y, 16, 16,
+ if (s->pict_type == AV_PICTURE_TYPE_B)
+ svq3_mc_dir_part(s, 16 * s->mb_x, 16 * s->mb_y, 16, 16,
0, 0, 0, 0, 1, 1);
mb_type = MB_TYPE_SKIP;
mb_type = MB_TYPE_16x16;
}
} else if (mb_type < 8) { /* INTER */
- if (s->thirdpel_flag && s->halfpel_flag == !get_bits1(&h->gb))
+ if (s->thirdpel_flag && s->halfpel_flag == !get_bits1(&s->gb_slice))
mode = THIRDPEL_MODE;
else if (s->halfpel_flag &&
- s->thirdpel_flag == !get_bits1(&h->gb))
+ s->thirdpel_flag == !get_bits1(&s->gb_slice))
mode = HALFPEL_MODE;
else
mode = FULLPEL_MODE;
*/
for (m = 0; m < 2; m++) {
- if (h->mb_x > 0 && sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1] + 6] != -1) {
+ if (s->mb_x > 0 && s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - 1] + 6] != -1) {
for (i = 0; i < 4; i++)
- AV_COPY32(h->mv_cache[m][scan8[0] - 1 + i * 8],
- h->cur_pic.motion_val[m][b_xy - 1 + i * h->b_stride]);
+ AV_COPY32(s->mv_cache[m][scan8[0] - 1 + i * 8],
+ s->cur_pic->motion_val[m][b_xy - 1 + i * s->b_stride]);
} else {
for (i = 0; i < 4; i++)
- AV_ZERO32(h->mv_cache[m][scan8[0] - 1 + i * 8]);
+ AV_ZERO32(s->mv_cache[m][scan8[0] - 1 + i * 8]);
}
- if (h->mb_y > 0) {
- memcpy(h->mv_cache[m][scan8[0] - 1 * 8],
- h->cur_pic.motion_val[m][b_xy - h->b_stride],
+ if (s->mb_y > 0) {
+ memcpy(s->mv_cache[m][scan8[0] - 1 * 8],
+ s->cur_pic->motion_val[m][b_xy - s->b_stride],
4 * 2 * sizeof(int16_t));
- memset(&h->ref_cache[m][scan8[0] - 1 * 8],
- (sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1, 4);
-
- if (h->mb_x < h->mb_width - 1) {
- AV_COPY32(h->mv_cache[m][scan8[0] + 4 - 1 * 8],
- h->cur_pic.motion_val[m][b_xy - h->b_stride + 4]);
- h->ref_cache[m][scan8[0] + 4 - 1 * 8] =
- (sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride + 1] + 6] == -1 ||
- sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1;
+ memset(&s->ref_cache[m][scan8[0] - 1 * 8],
+ (s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1, 4);
+
+ if (s->mb_x < s->mb_width - 1) {
+ AV_COPY32(s->mv_cache[m][scan8[0] + 4 - 1 * 8],
+ s->cur_pic->motion_val[m][b_xy - s->b_stride + 4]);
+ s->ref_cache[m][scan8[0] + 4 - 1 * 8] =
+ (s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride + 1] + 6] == -1 ||
+ s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1;
} else
- h->ref_cache[m][scan8[0] + 4 - 1 * 8] = PART_NOT_AVAILABLE;
- if (h->mb_x > 0) {
- AV_COPY32(h->mv_cache[m][scan8[0] - 1 - 1 * 8],
- h->cur_pic.motion_val[m][b_xy - h->b_stride - 1]);
- h->ref_cache[m][scan8[0] - 1 - 1 * 8] =
- (sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride - 1] + 3] == -1) ? PART_NOT_AVAILABLE : 1;
+ s->ref_cache[m][scan8[0] + 4 - 1 * 8] = PART_NOT_AVAILABLE;
+ if (s->mb_x > 0) {
+ AV_COPY32(s->mv_cache[m][scan8[0] - 1 - 1 * 8],
+ s->cur_pic->motion_val[m][b_xy - s->b_stride - 1]);
+ s->ref_cache[m][scan8[0] - 1 - 1 * 8] =
+ (s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride - 1] + 3] == -1) ? PART_NOT_AVAILABLE : 1;
} else
- h->ref_cache[m][scan8[0] - 1 - 1 * 8] = PART_NOT_AVAILABLE;
+ s->ref_cache[m][scan8[0] - 1 - 1 * 8] = PART_NOT_AVAILABLE;
} else
- memset(&h->ref_cache[m][scan8[0] - 1 * 8 - 1],
+ memset(&s->ref_cache[m][scan8[0] - 1 * 8 - 1],
PART_NOT_AVAILABLE, 8);
- if (h->pict_type != AV_PICTURE_TYPE_B)
+ if (s->pict_type != AV_PICTURE_TYPE_B)
break;
}
/* decode motion vector(s) and form prediction(s) */
- if (h->pict_type == AV_PICTURE_TYPE_P) {
+ if (s->pict_type == AV_PICTURE_TYPE_P) {
if (svq3_mc_dir(s, mb_type - 1, mode, 0, 0) < 0)
return -1;
} else { /* AV_PICTURE_TYPE_B */
return -1;
} else {
for (i = 0; i < 4; i++)
- memset(h->cur_pic.motion_val[0][b_xy + i * h->b_stride],
+ memset(s->cur_pic->motion_val[0][b_xy + i * s->b_stride],
0, 4 * 2 * sizeof(int16_t));
}
if (mb_type != 1) {
return -1;
} else {
for (i = 0; i < 4; i++)
- memset(h->cur_pic.motion_val[1][b_xy + i * h->b_stride],
+ memset(s->cur_pic->motion_val[1][b_xy + i * s->b_stride],
0, 4 * 2 * sizeof(int16_t));
}
}
mb_type = MB_TYPE_16x16;
} else if (mb_type == 8 || mb_type == 33) { /* INTRA4x4 */
- memset(sl->intra4x4_pred_mode_cache, -1, 8 * 5 * sizeof(int8_t));
+ int8_t *i4x4 = s->intra4x4_pred_mode + s->mb2br_xy[s->mb_xy];
+ int8_t *i4x4_cache = s->intra4x4_pred_mode_cache;
+
+ memset(s->intra4x4_pred_mode_cache, -1, 8 * 5 * sizeof(int8_t));
if (mb_type == 8) {
- if (h->mb_x > 0) {
+ if (s->mb_x > 0) {
for (i = 0; i < 4; i++)
- sl->intra4x4_pred_mode_cache[scan8[0] - 1 + i * 8] = sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1] + 6 - i];
- if (sl->intra4x4_pred_mode_cache[scan8[0] - 1] == -1)
- sl->left_samples_available = 0x5F5F;
+ s->intra4x4_pred_mode_cache[scan8[0] - 1 + i * 8] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - 1] + 6 - i];
+ if (s->intra4x4_pred_mode_cache[scan8[0] - 1] == -1)
+ s->left_samples_available = 0x5F5F;
}
- if (h->mb_y > 0) {
- sl->intra4x4_pred_mode_cache[4 + 8 * 0] = sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride] + 0];
- sl->intra4x4_pred_mode_cache[5 + 8 * 0] = sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride] + 1];
- sl->intra4x4_pred_mode_cache[6 + 8 * 0] = sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride] + 2];
- sl->intra4x4_pred_mode_cache[7 + 8 * 0] = sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride] + 3];
-
- if (sl->intra4x4_pred_mode_cache[4 + 8 * 0] == -1)
- sl->top_samples_available = 0x33FF;
+ if (s->mb_y > 0) {
+ s->intra4x4_pred_mode_cache[4 + 8 * 0] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride] + 0];
+ s->intra4x4_pred_mode_cache[5 + 8 * 0] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride] + 1];
+ s->intra4x4_pred_mode_cache[6 + 8 * 0] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride] + 2];
+ s->intra4x4_pred_mode_cache[7 + 8 * 0] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride] + 3];
+
+ if (s->intra4x4_pred_mode_cache[4 + 8 * 0] == -1)
+ s->top_samples_available = 0x33FF;
}
/* decode prediction codes for luma blocks */
for (i = 0; i < 16; i += 2) {
- vlc = svq3_get_ue_golomb(&h->gb);
+ vlc = get_interleaved_ue_golomb(&s->gb_slice);
if (vlc >= 25) {
- av_log(h->avctx, AV_LOG_ERROR,
+ av_log(s->avctx, AV_LOG_ERROR,
"luma prediction:%"PRIu32"\n", vlc);
return -1;
}
- left = &sl->intra4x4_pred_mode_cache[scan8[i] - 1];
- top = &sl->intra4x4_pred_mode_cache[scan8[i] - 8];
+ left = &s->intra4x4_pred_mode_cache[scan8[i] - 1];
+ top = &s->intra4x4_pred_mode_cache[scan8[i] - 8];
left[1] = svq3_pred_1[top[0] + 1][left[0] + 1][svq3_pred_0[vlc][0]];
left[2] = svq3_pred_1[top[1] + 1][left[1] + 1][svq3_pred_0[vlc][1]];
if (left[1] == -1 || left[2] == -1) {
- av_log(h->avctx, AV_LOG_ERROR, "weird prediction\n");
+ av_log(s->avctx, AV_LOG_ERROR, "weird prediction\n");
return -1;
}
}
} else { /* mb_type == 33, DC_128_PRED block type */
for (i = 0; i < 4; i++)
- memset(&sl->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_PRED, 4);
+ memset(&s->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_PRED, 4);
}
- write_back_intra_pred_mode(h, sl);
+ AV_COPY32(i4x4, i4x4_cache + 4 + 8 * 4);
+ i4x4[4] = i4x4_cache[7 + 8 * 3];
+ i4x4[5] = i4x4_cache[7 + 8 * 2];
+ i4x4[6] = i4x4_cache[7 + 8 * 1];
if (mb_type == 8) {
- ff_h264_check_intra4x4_pred_mode(h, sl);
+ ff_h264_check_intra4x4_pred_mode(s->intra4x4_pred_mode_cache,
+ s->avctx, s->top_samples_available,
+ s->left_samples_available);
- sl->top_samples_available = (h->mb_y == 0) ? 0x33FF : 0xFFFF;
- sl->left_samples_available = (h->mb_x == 0) ? 0x5F5F : 0xFFFF;
+ s->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;
+ s->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;
} else {
for (i = 0; i < 4; i++)
- memset(&sl->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_128_PRED, 4);
+ memset(&s->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_128_PRED, 4);
- sl->top_samples_available = 0x33FF;
- sl->left_samples_available = 0x5F5F;
+ s->top_samples_available = 0x33FF;
+ s->left_samples_available = 0x5F5F;
}
mb_type = MB_TYPE_INTRA4x4;
} else { /* INTRA16x16 */
- dir = i_mb_type_info[mb_type - 8].pred_mode;
+ dir = ff_h264_i_mb_type_info[mb_type - 8].pred_mode;
dir = (dir >> 1) ^ 3 * (dir & 1) ^ 1;
- if ((sl->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h, sl, dir, 0)) < 0) {
- av_log(h->avctx, AV_LOG_ERROR, "ff_h264_check_intra_pred_mode < 0\n");
- return sl->intra16x16_pred_mode;
+ if ((s->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(s->avctx, s->top_samples_available,
+ s->left_samples_available, dir, 0)) < 0) {
+ av_log(s->avctx, AV_LOG_ERROR, "ff_h264_check_intra_pred_mode < 0\n");
+ return s->intra16x16_pred_mode;
}
- cbp = i_mb_type_info[mb_type - 8].cbp;
+ cbp = ff_h264_i_mb_type_info[mb_type - 8].cbp;
mb_type = MB_TYPE_INTRA16x16;
}
- if (!IS_INTER(mb_type) && h->pict_type != AV_PICTURE_TYPE_I) {
+ if (!IS_INTER(mb_type) && s->pict_type != AV_PICTURE_TYPE_I) {
for (i = 0; i < 4; i++)
- memset(h->cur_pic.motion_val[0][b_xy + i * h->b_stride],
+ memset(s->cur_pic->motion_val[0][b_xy + i * s->b_stride],
0, 4 * 2 * sizeof(int16_t));
- if (h->pict_type == AV_PICTURE_TYPE_B) {
+ if (s->pict_type == AV_PICTURE_TYPE_B) {
for (i = 0; i < 4; i++)
- memset(h->cur_pic.motion_val[1][b_xy + i * h->b_stride],
+ memset(s->cur_pic->motion_val[1][b_xy + i * s->b_stride],
0, 4 * 2 * sizeof(int16_t));
}
}
if (!IS_INTRA4x4(mb_type)) {
- memset(sl->intra4x4_pred_mode + h->mb2br_xy[mb_xy], DC_PRED, 8);
+ memset(s->intra4x4_pred_mode + s->mb2br_xy[mb_xy], DC_PRED, 8);
}
- if (!IS_SKIP(mb_type) || h->pict_type == AV_PICTURE_TYPE_B) {
- memset(sl->non_zero_count_cache + 8, 0, 14 * 8 * sizeof(uint8_t));
+ if (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B) {
+ memset(s->non_zero_count_cache + 8, 0, 14 * 8 * sizeof(uint8_t));
}
if (!IS_INTRA16x16(mb_type) &&
- (!IS_SKIP(mb_type) || h->pict_type == AV_PICTURE_TYPE_B)) {
- if ((vlc = svq3_get_ue_golomb(&h->gb)) >= 48) {
- av_log(h->avctx, AV_LOG_ERROR, "cbp_vlc=%"PRIu32"\n", vlc);
+ (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B)) {
+ if ((vlc = get_interleaved_ue_golomb(&s->gb_slice)) >= 48) {
+ av_log(s->avctx, AV_LOG_ERROR, "cbp_vlc=%"PRIu32"\n", vlc);
return -1;
}
- cbp = IS_INTRA(mb_type) ? golomb_to_intra4x4_cbp[vlc]
- : golomb_to_inter_cbp[vlc];
+ cbp = IS_INTRA(mb_type) ? ff_h264_golomb_to_intra4x4_cbp[vlc]
+ : ff_h264_golomb_to_inter_cbp[vlc];
}
if (IS_INTRA16x16(mb_type) ||
- (h->pict_type != AV_PICTURE_TYPE_I && s->adaptive_quant && cbp)) {
- sl->qscale += svq3_get_se_golomb(&h->gb);
+ (s->pict_type != AV_PICTURE_TYPE_I && s->adaptive_quant && cbp)) {
+ s->qscale += get_interleaved_se_golomb(&s->gb_slice);
- if (sl->qscale > 31u) {
- av_log(h->avctx, AV_LOG_ERROR, "qscale:%d\n", sl->qscale);
+ if (s->qscale > 31u) {
+ av_log(s->avctx, AV_LOG_ERROR, "qscale:%d\n", s->qscale);
return -1;
}
}
if (IS_INTRA16x16(mb_type)) {
- AV_ZERO128(h->mb_luma_dc[0] + 0);
- AV_ZERO128(h->mb_luma_dc[0] + 8);
- if (svq3_decode_block(&h->gb, h->mb_luma_dc[0], 0, 1)) {
- av_log(h->avctx, AV_LOG_ERROR,
+ AV_ZERO128(s->mb_luma_dc[0] + 0);
+ AV_ZERO128(s->mb_luma_dc[0] + 8);
+ if (svq3_decode_block(&s->gb_slice, s->mb_luma_dc[0], 0, 1)) {
+ av_log(s->avctx, AV_LOG_ERROR,
"error while decoding intra luma dc\n");
return -1;
}
if (cbp) {
const int index = IS_INTRA16x16(mb_type) ? 1 : 0;
- const int type = ((sl->qscale < 24 && IS_INTRA4x4(mb_type)) ? 2 : 1);
+ const int type = ((s->qscale < 24 && IS_INTRA4x4(mb_type)) ? 2 : 1);
for (i = 0; i < 4; i++)
if ((cbp & (1 << i))) {
k = index ? (1 * (j & 1) + 2 * (i & 1) +
2 * (j & 2) + 4 * (i & 2))
: (4 * i + j);
- sl->non_zero_count_cache[scan8[k]] = 1;
+ s->non_zero_count_cache[scan8[k]] = 1;
- if (svq3_decode_block(&h->gb, &h->mb[16 * k], index, type)) {
- av_log(h->avctx, AV_LOG_ERROR,
+ if (svq3_decode_block(&s->gb_slice, &s->mb[16 * k], index, type)) {
+ av_log(s->avctx, AV_LOG_ERROR,
"error while decoding block\n");
return -1;
}
if ((cbp & 0x30)) {
for (i = 1; i < 3; ++i)
- if (svq3_decode_block(&h->gb, &h->mb[16 * 16 * i], 0, 3)) {
- av_log(h->avctx, AV_LOG_ERROR,
+ if (svq3_decode_block(&s->gb_slice, &s->mb[16 * 16 * i], 0, 3)) {
+ av_log(s->avctx, AV_LOG_ERROR,
"error while decoding chroma dc block\n");
return -1;
}
for (i = 1; i < 3; i++) {
for (j = 0; j < 4; j++) {
k = 16 * i + j;
- sl->non_zero_count_cache[scan8[k]] = 1;
+ s->non_zero_count_cache[scan8[k]] = 1;
- if (svq3_decode_block(&h->gb, &h->mb[16 * k], 1, 1)) {
- av_log(h->avctx, AV_LOG_ERROR,
+ if (svq3_decode_block(&s->gb_slice, &s->mb[16 * k], 1, 1)) {
+ av_log(s->avctx, AV_LOG_ERROR,
"error while decoding chroma ac block\n");
return -1;
}
}
}
- h->cbp = cbp;
- h->cur_pic.mb_type[mb_xy] = mb_type;
+ s->cbp = cbp;
+ s->cur_pic->mb_type[mb_xy] = mb_type;
if (IS_INTRA(mb_type))
- sl->chroma_pred_mode = ff_h264_check_intra_pred_mode(h, sl, DC_PRED8x8, 1);
+ s->chroma_pred_mode = ff_h264_check_intra_pred_mode(s->avctx, s->top_samples_available,
+ s->left_samples_available, DC_PRED8x8, 1);
return 0;
}
static int svq3_decode_slice_header(AVCodecContext *avctx)
{
SVQ3Context *s = avctx->priv_data;
- H264Context *h = &s->h;
- H264SliceContext *sl = &h->slice_ctx[0];
- const int mb_xy = h->mb_xy;
+ const int mb_xy = s->mb_xy;
int i, header;
unsigned slice_id;
- header = get_bits(&h->gb, 8);
+ header = get_bits(&s->gb, 8);
if (((header & 0x9F) != 1 && (header & 0x9F) != 2) || (header & 0x60) == 0) {
/* TODO: what? */
av_log(avctx, AV_LOG_ERROR, "unsupported slice header (%02X)\n", header);
return -1;
} else {
+ int slice_bits, slice_bytes, slice_length;
int length = header >> 5 & 3;
- s->next_slice_index = get_bits_count(&h->gb) +
- 8 * show_bits(&h->gb, 8 * length) +
- 8 * length;
+ slice_length = show_bits(&s->gb, 8 * length);
+ slice_bits = slice_length * 8;
+ slice_bytes = slice_length + length - 1;
- if (s->next_slice_index > h->gb.size_in_bits) {
+ if (slice_bytes > get_bits_left(&s->gb)) {
av_log(avctx, AV_LOG_ERROR, "slice after bitstream end\n");
return -1;
}
- h->gb.size_in_bits = s->next_slice_index - 8 * (length - 1);
- skip_bits(&h->gb, 8);
+ skip_bits(&s->gb, 8);
+
+ av_fast_malloc(&s->slice_buf, &s->slice_size, slice_bytes + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (!s->slice_buf)
+ return AVERROR(ENOMEM);
+
+ memcpy(s->slice_buf, s->gb.buffer + s->gb.index / 8, slice_bytes);
+
+ init_get_bits(&s->gb_slice, s->slice_buf, slice_bits);
if (s->watermark_key) {
- uint32_t header = AV_RL32(&h->gb.buffer[(get_bits_count(&h->gb) >> 3) + 1]);
- AV_WL32(&h->gb.buffer[(get_bits_count(&h->gb) >> 3) + 1],
- header ^ s->watermark_key);
+ uint32_t header = AV_RL32(&s->gb_slice.buffer[1]);
+ AV_WL32(&s->gb_slice.buffer[1], header ^ s->watermark_key);
}
if (length > 0) {
- memcpy((uint8_t *) &h->gb.buffer[get_bits_count(&h->gb) >> 3],
- &h->gb.buffer[h->gb.size_in_bits >> 3], length - 1);
+ memcpy(s->slice_buf, &s->slice_buf[slice_length], length - 1);
}
- skip_bits_long(&h->gb, 0);
+ skip_bits_long(&s->gb, slice_bytes * 8);
}
- if ((slice_id = svq3_get_ue_golomb(&h->gb)) >= 3) {
- av_log(h->avctx, AV_LOG_ERROR, "illegal slice type %u \n", slice_id);
+ if ((slice_id = get_interleaved_ue_golomb(&s->gb_slice)) >= 3) {
+ av_log(s->avctx, AV_LOG_ERROR, "illegal slice type %u \n", slice_id);
return -1;
}
- h->slice_type = golomb_to_pict_type[slice_id];
+ s->pict_type = ff_h264_golomb_to_pict_type[slice_id];
if ((header & 0x9F) == 2) {
- i = (h->mb_num < 64) ? 6 : (1 + av_log2(h->mb_num - 1));
- h->mb_skip_run = get_bits(&h->gb, i) -
- (h->mb_y * h->mb_width + h->mb_x);
+ i = (s->mb_num < 64) ? 6 : (1 + av_log2(s->mb_num - 1));
+ get_bits(&s->gb_slice, i);
} else {
- skip_bits1(&h->gb);
- h->mb_skip_run = 0;
+ skip_bits1(&s->gb_slice);
}
- h->slice_num = get_bits(&h->gb, 8);
- sl->qscale = get_bits(&h->gb, 5);
- s->adaptive_quant = get_bits1(&h->gb);
+ s->slice_num = get_bits(&s->gb_slice, 8);
+ s->qscale = get_bits(&s->gb_slice, 5);
+ s->adaptive_quant = get_bits1(&s->gb_slice);
/* unknown fields */
- skip_bits1(&h->gb);
+ skip_bits1(&s->gb_slice);
if (s->unknown_flag)
- skip_bits1(&h->gb);
+ skip_bits1(&s->gb_slice);
- skip_bits1(&h->gb);
- skip_bits(&h->gb, 2);
+ skip_bits1(&s->gb_slice);
+ skip_bits(&s->gb_slice, 2);
- while (get_bits1(&h->gb))
- skip_bits(&h->gb, 8);
+ while (get_bits1(&s->gb_slice))
+ skip_bits(&s->gb_slice, 8);
/* reset intra predictors and invalidate motion vector references */
- if (h->mb_x > 0) {
- memset(sl->intra4x4_pred_mode + h->mb2br_xy[mb_xy - 1] + 3,
+ if (s->mb_x > 0) {
+ memset(s->intra4x4_pred_mode + s->mb2br_xy[mb_xy - 1] + 3,
-1, 4 * sizeof(int8_t));
- memset(sl->intra4x4_pred_mode + h->mb2br_xy[mb_xy - h->mb_x],
- -1, 8 * sizeof(int8_t) * h->mb_x);
+ memset(s->intra4x4_pred_mode + s->mb2br_xy[mb_xy - s->mb_x],
+ -1, 8 * sizeof(int8_t) * s->mb_x);
}
- if (h->mb_y > 0) {
- memset(sl->intra4x4_pred_mode + h->mb2br_xy[mb_xy - h->mb_stride],
- -1, 8 * sizeof(int8_t) * (h->mb_width - h->mb_x));
+ if (s->mb_y > 0) {
+ memset(s->intra4x4_pred_mode + s->mb2br_xy[mb_xy - s->mb_stride],
+ -1, 8 * sizeof(int8_t) * (s->mb_width - s->mb_x));
- if (h->mb_x > 0)
- sl->intra4x4_pred_mode[h->mb2br_xy[mb_xy - h->mb_stride - 1] + 3] = -1;
+ if (s->mb_x > 0)
+ s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride - 1] + 3] = -1;
}
return 0;
}
+static void init_dequant4_coeff_table(SVQ3Context *s)
+{
+ int q, x;
+ const int max_qp = 51;
+
+ for (q = 0; q < max_qp + 1; q++) {
+ int shift = ff_h264_quant_div6[q] + 2;
+ int idx = ff_h264_quant_rem6[q];
+ for (x = 0; x < 16; x++)
+ s->dequant4_coeff[q][(x >> 2) | ((x << 2) & 0xF)] =
+ ((uint32_t)ff_h264_dequant4_coeff_init[idx][(x & 1) + ((x >> 2) & 1)] * 16) << shift;
+ }
+}
+
static av_cold int svq3_decode_init(AVCodecContext *avctx)
{
SVQ3Context *s = avctx->priv_data;
- H264Context *h = &s->h;
- int m;
+ int m, x, y;
unsigned char *extradata;
unsigned char *extradata_end;
unsigned int size;
return AVERROR(ENOMEM);
}
- if (ff_h264_decode_init(avctx) < 0)
- return -1;
+ s->cur_pic->f = av_frame_alloc();
+ s->last_pic->f = av_frame_alloc();
+ s->next_pic->f = av_frame_alloc();
+ if (!s->cur_pic->f || !s->last_pic->f || !s->next_pic->f)
+ return AVERROR(ENOMEM);
+
+ ff_h264dsp_init(&s->h264dsp, 8, 1);
+ ff_h264_pred_init(&s->hpc, AV_CODEC_ID_SVQ3, 8, 1);
+ ff_videodsp_init(&s->vdsp, 8);
ff_hpeldsp_init(&s->hdsp, avctx->flags);
ff_tpeldsp_init(&s->tdsp);
- h->flags = avctx->flags;
- h->is_complex = 1;
- h->picture_structure = PICT_FRAME;
avctx->pix_fmt = AV_PIX_FMT_YUVJ420P;
avctx->color_range = AVCOL_RANGE_JPEG;
- h->slice_ctx[0].chroma_qp[0] = h->slice_ctx[0].chroma_qp[1] = 4;
- h->chroma_x_shift = h->chroma_y_shift = 1;
-
+ s->avctx = avctx;
s->halfpel_flag = 1;
s->thirdpel_flag = 1;
s->unknown_flag = 0;
skip_bits1(&gb);
skip_bits1(&gb);
- h->low_delay = get_bits1(&gb);
+ s->low_delay = get_bits1(&gb);
/* unknown field */
skip_bits1(&gb);
skip_bits(&gb, 8);
s->unknown_flag = get_bits1(&gb);
- avctx->has_b_frames = !h->low_delay;
+ avctx->has_b_frames = !s->low_delay;
if (s->unknown_flag) {
#if CONFIG_ZLIB
- unsigned watermark_width = svq3_get_ue_golomb(&gb);
- unsigned watermark_height = svq3_get_ue_golomb(&gb);
- int u1 = svq3_get_ue_golomb(&gb);
+ unsigned watermark_width = get_interleaved_ue_golomb(&gb);
+ unsigned watermark_height = get_interleaved_ue_golomb(&gb);
+ int u1 = get_interleaved_ue_golomb(&gb);
int u2 = get_bits(&gb, 8);
int u3 = get_bits(&gb, 2);
- int u4 = svq3_get_ue_golomb(&gb);
+ int u4 = get_interleaved_ue_golomb(&gb);
unsigned long buf_len = watermark_width *
watermark_height * 4;
int offset = get_bits_count(&gb) + 7 >> 3;
}
}
- h->width = avctx->width;
- h->height = avctx->height;
- h->mb_width = (h->width + 15) / 16;
- h->mb_height = (h->height + 15) / 16;
- h->mb_stride = h->mb_width + 1;
- h->mb_num = h->mb_width * h->mb_height;
- h->b_stride = 4 * h->mb_width;
- s->h_edge_pos = h->mb_width * 16;
- s->v_edge_pos = h->mb_height * 16;
-
- if (ff_h264_alloc_tables(h) < 0) {
- av_log(avctx, AV_LOG_ERROR, "svq3 memory allocation failed\n");
+ s->mb_width = (avctx->width + 15) / 16;
+ s->mb_height = (avctx->height + 15) / 16;
+ s->mb_stride = s->mb_width + 1;
+ s->mb_num = s->mb_width * s->mb_height;
+ s->b_stride = 4 * s->mb_width;
+ s->h_edge_pos = s->mb_width * 16;
+ s->v_edge_pos = s->mb_height * 16;
+
+ s->intra4x4_pred_mode = av_mallocz(s->mb_stride * 2 * 8);
+ if (!s->intra4x4_pred_mode)
return AVERROR(ENOMEM);
- }
+
+ s->mb2br_xy = av_mallocz(s->mb_stride * (s->mb_height + 1) *
+ sizeof(*s->mb2br_xy));
+ if (!s->mb2br_xy)
+ return AVERROR(ENOMEM);
+
+ for (y = 0; y < s->mb_height; y++)
+ for (x = 0; x < s->mb_width; x++) {
+ const int mb_xy = x + y * s->mb_stride;
+
+ s->mb2br_xy[mb_xy] = 8 * (mb_xy % (2 * s->mb_stride));
+ }
+
+ init_dequant4_coeff_table(s);
return 0;
}
-static void free_picture(AVCodecContext *avctx, H264Picture *pic)
+static void free_picture(AVCodecContext *avctx, SVQ3Frame *pic)
{
int i;
for (i = 0; i < 2; i++) {
}
av_buffer_unref(&pic->mb_type_buf);
- av_frame_unref(&pic->f);
+ av_frame_unref(pic->f);
}
-static int get_buffer(AVCodecContext *avctx, H264Picture *pic)
+static int get_buffer(AVCodecContext *avctx, SVQ3Frame *pic)
{
SVQ3Context *s = avctx->priv_data;
- H264Context *h = &s->h;
- const int big_mb_num = h->mb_stride * (h->mb_height + 1) + 1;
- const int mb_array_size = h->mb_stride * h->mb_height;
- const int b4_stride = h->mb_width * 4 + 1;
- const int b4_array_size = b4_stride * h->mb_height * 4;
+ const int big_mb_num = s->mb_stride * (s->mb_height + 1) + 1;
+ const int mb_array_size = s->mb_stride * s->mb_height;
+ const int b4_stride = s->mb_width * 4 + 1;
+ const int b4_array_size = b4_stride * s->mb_height * 4;
int ret;
if (!pic->motion_val_buf[0]) {
int i;
- pic->mb_type_buf = av_buffer_allocz((big_mb_num + h->mb_stride) * sizeof(uint32_t));
+ pic->mb_type_buf = av_buffer_allocz((big_mb_num + s->mb_stride) * sizeof(uint32_t));
if (!pic->mb_type_buf)
return AVERROR(ENOMEM);
- pic->mb_type = (uint32_t*)pic->mb_type_buf->data + 2 * h->mb_stride + 1;
+ pic->mb_type = (uint32_t*)pic->mb_type_buf->data + 2 * s->mb_stride + 1;
for (i = 0; i < 2; i++) {
pic->motion_val_buf[i] = av_buffer_allocz(2 * (b4_array_size + 4) * sizeof(int16_t));
pic->ref_index[i] = pic->ref_index_buf[i]->data;
}
}
- pic->reference = !(h->pict_type == AV_PICTURE_TYPE_B);
- ret = ff_get_buffer(avctx, &pic->f,
- pic->reference ? AV_GET_BUFFER_FLAG_REF : 0);
+ ret = ff_get_buffer(avctx, pic->f,
+ (s->pict_type != AV_PICTURE_TYPE_B) ?
+ AV_GET_BUFFER_FLAG_REF : 0);
if (ret < 0)
goto fail;
- if (!h->edge_emu_buffer) {
- h->edge_emu_buffer = av_mallocz(pic->f.linesize[0] * 17);
- if (!h->edge_emu_buffer)
+ if (!s->edge_emu_buffer) {
+ s->edge_emu_buffer = av_mallocz(pic->f->linesize[0] * 17);
+ if (!s->edge_emu_buffer)
return AVERROR(ENOMEM);
}
- h->linesize = pic->f.linesize[0];
- h->uvlinesize = pic->f.linesize[1];
-
return 0;
fail:
free_picture(avctx, pic);
{
const uint8_t *buf = avpkt->data;
SVQ3Context *s = avctx->priv_data;
- H264Context *h = &s->h;
int buf_size = avpkt->size;
int ret, m, i;
/* special case for last picture */
if (buf_size == 0) {
- if (s->next_pic->f.data[0] && !h->low_delay && !s->last_frame_output) {
- ret = av_frame_ref(data, &s->next_pic->f);
+ if (s->next_pic->f->data[0] && !s->low_delay && !s->last_frame_output) {
+ ret = av_frame_ref(data, s->next_pic->f);
if (ret < 0)
return ret;
s->last_frame_output = 1;
return 0;
}
- init_get_bits(&h->gb, buf, 8 * buf_size);
+ ret = init_get_bits(&s->gb, buf, 8 * buf_size);
+ if (ret < 0)
+ return ret;
- h->mb_x = h->mb_y = h->mb_xy = 0;
+ s->mb_x = s->mb_y = s->mb_xy = 0;
if (svq3_decode_slice_header(avctx))
return -1;
- h->pict_type = h->slice_type;
+ if (s->pict_type != AV_PICTURE_TYPE_B)
+ FFSWAP(SVQ3Frame*, s->next_pic, s->last_pic);
- if (h->pict_type != AV_PICTURE_TYPE_B)
- FFSWAP(H264Picture*, s->next_pic, s->last_pic);
-
- av_frame_unref(&s->cur_pic->f);
+ av_frame_unref(s->cur_pic->f);
/* for skipping the frame */
- s->cur_pic->f.pict_type = h->pict_type;
- s->cur_pic->f.key_frame = (h->pict_type == AV_PICTURE_TYPE_I);
+ s->cur_pic->f->pict_type = s->pict_type;
+ s->cur_pic->f->key_frame = (s->pict_type == AV_PICTURE_TYPE_I);
ret = get_buffer(avctx, s->cur_pic);
if (ret < 0)
return ret;
- h->cur_pic_ptr = s->cur_pic;
- av_frame_unref(&h->cur_pic.f);
- h->cur_pic = *s->cur_pic;
- ret = av_frame_ref(&h->cur_pic.f, &s->cur_pic->f);
- if (ret < 0)
- return ret;
-
for (i = 0; i < 16; i++) {
- h->block_offset[i] = (4 * ((scan8[i] - scan8[0]) & 7)) + 4 * h->linesize * ((scan8[i] - scan8[0]) >> 3);
- h->block_offset[48 + i] = (4 * ((scan8[i] - scan8[0]) & 7)) + 8 * h->linesize * ((scan8[i] - scan8[0]) >> 3);
+ s->block_offset[i] = (4 * ((scan8[i] - scan8[0]) & 7)) + 4 * s->cur_pic->f->linesize[0] * ((scan8[i] - scan8[0]) >> 3);
+ s->block_offset[48 + i] = (4 * ((scan8[i] - scan8[0]) & 7)) + 8 * s->cur_pic->f->linesize[0] * ((scan8[i] - scan8[0]) >> 3);
}
for (i = 0; i < 16; i++) {
- h->block_offset[16 + i] =
- h->block_offset[32 + i] = (4 * ((scan8[i] - scan8[0]) & 7)) + 4 * h->uvlinesize * ((scan8[i] - scan8[0]) >> 3);
- h->block_offset[48 + 16 + i] =
- h->block_offset[48 + 32 + i] = (4 * ((scan8[i] - scan8[0]) & 7)) + 8 * h->uvlinesize * ((scan8[i] - scan8[0]) >> 3);
+ s->block_offset[16 + i] =
+ s->block_offset[32 + i] = (4 * ((scan8[i] - scan8[0]) & 7)) + 4 * s->cur_pic->f->linesize[1] * ((scan8[i] - scan8[0]) >> 3);
+ s->block_offset[48 + 16 + i] =
+ s->block_offset[48 + 32 + i] = (4 * ((scan8[i] - scan8[0]) & 7)) + 8 * s->cur_pic->f->linesize[1] * ((scan8[i] - scan8[0]) >> 3);
}
- if (h->pict_type != AV_PICTURE_TYPE_I) {
- if (!s->last_pic->f.data[0]) {
+ if (s->pict_type != AV_PICTURE_TYPE_I) {
+ if (!s->last_pic->f->data[0]) {
av_log(avctx, AV_LOG_ERROR, "Missing reference frame.\n");
ret = get_buffer(avctx, s->last_pic);
if (ret < 0)
return ret;
- memset(s->last_pic->f.data[0], 0, avctx->height * s->last_pic->f.linesize[0]);
- memset(s->last_pic->f.data[1], 0x80, (avctx->height / 2) *
- s->last_pic->f.linesize[1]);
- memset(s->last_pic->f.data[2], 0x80, (avctx->height / 2) *
- s->last_pic->f.linesize[2]);
+ memset(s->last_pic->f->data[0], 0, avctx->height * s->last_pic->f->linesize[0]);
+ memset(s->last_pic->f->data[1], 0x80, (avctx->height / 2) *
+ s->last_pic->f->linesize[1]);
+ memset(s->last_pic->f->data[2], 0x80, (avctx->height / 2) *
+ s->last_pic->f->linesize[2]);
}
- if (h->pict_type == AV_PICTURE_TYPE_B && !s->next_pic->f.data[0]) {
+ if (s->pict_type == AV_PICTURE_TYPE_B && !s->next_pic->f->data[0]) {
av_log(avctx, AV_LOG_ERROR, "Missing reference frame.\n");
ret = get_buffer(avctx, s->next_pic);
if (ret < 0)
return ret;
- memset(s->next_pic->f.data[0], 0, avctx->height * s->next_pic->f.linesize[0]);
- memset(s->next_pic->f.data[1], 0x80, (avctx->height / 2) *
- s->next_pic->f.linesize[1]);
- memset(s->next_pic->f.data[2], 0x80, (avctx->height / 2) *
- s->next_pic->f.linesize[2]);
+ memset(s->next_pic->f->data[0], 0, avctx->height * s->next_pic->f->linesize[0]);
+ memset(s->next_pic->f->data[1], 0x80, (avctx->height / 2) *
+ s->next_pic->f->linesize[1]);
+ memset(s->next_pic->f->data[2], 0x80, (avctx->height / 2) *
+ s->next_pic->f->linesize[2]);
}
}
if (avctx->debug & FF_DEBUG_PICT_INFO)
- av_log(h->avctx, AV_LOG_DEBUG,
+ av_log(s->avctx, AV_LOG_DEBUG,
"%c hpel:%d, tpel:%d aqp:%d qp:%d, slice_num:%02X\n",
- av_get_picture_type_char(h->pict_type),
+ av_get_picture_type_char(s->pict_type),
s->halfpel_flag, s->thirdpel_flag,
- s->adaptive_quant, h->slice_ctx[0].qscale, h->slice_num);
+ s->adaptive_quant, s->qscale, s->slice_num);
- if (avctx->skip_frame >= AVDISCARD_NONREF && h->pict_type == AV_PICTURE_TYPE_B ||
- avctx->skip_frame >= AVDISCARD_NONKEY && h->pict_type != AV_PICTURE_TYPE_I ||
+ if (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B ||
+ avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I ||
avctx->skip_frame >= AVDISCARD_ALL)
return 0;
if (s->next_p_frame_damaged) {
- if (h->pict_type == AV_PICTURE_TYPE_B)
+ if (s->pict_type == AV_PICTURE_TYPE_B)
return 0;
else
s->next_p_frame_damaged = 0;
}
- if (h->pict_type == AV_PICTURE_TYPE_B) {
- h->frame_num_offset = h->slice_num - h->prev_frame_num;
+ if (s->pict_type == AV_PICTURE_TYPE_B) {
+ s->frame_num_offset = s->slice_num - s->prev_frame_num;
- if (h->frame_num_offset < 0)
- h->frame_num_offset += 256;
- if (h->frame_num_offset == 0 ||
- h->frame_num_offset >= h->prev_frame_num_offset) {
- av_log(h->avctx, AV_LOG_ERROR, "error in B-frame picture id\n");
+ if (s->frame_num_offset < 0)
+ s->frame_num_offset += 256;
+ if (s->frame_num_offset == 0 ||
+ s->frame_num_offset >= s->prev_frame_num_offset) {
+ av_log(s->avctx, AV_LOG_ERROR, "error in B-frame picture id\n");
return -1;
}
} else {
- h->prev_frame_num = h->frame_num;
- h->frame_num = h->slice_num;
- h->prev_frame_num_offset = h->frame_num - h->prev_frame_num;
+ s->prev_frame_num = s->frame_num;
+ s->frame_num = s->slice_num;
+ s->prev_frame_num_offset = s->frame_num - s->prev_frame_num;
- if (h->prev_frame_num_offset < 0)
- h->prev_frame_num_offset += 256;
+ if (s->prev_frame_num_offset < 0)
+ s->prev_frame_num_offset += 256;
}
for (m = 0; m < 2; m++) {
for (i = 0; i < 4; i++) {
int j;
for (j = -1; j < 4; j++)
- h->ref_cache[m][scan8[0] + 8 * i + j] = 1;
+ s->ref_cache[m][scan8[0] + 8 * i + j] = 1;
if (i < 3)
- h->ref_cache[m][scan8[0] + 8 * i + j] = PART_NOT_AVAILABLE;
+ s->ref_cache[m][scan8[0] + 8 * i + j] = PART_NOT_AVAILABLE;
}
}
- for (h->mb_y = 0; h->mb_y < h->mb_height; h->mb_y++) {
- for (h->mb_x = 0; h->mb_x < h->mb_width; h->mb_x++) {
+ for (s->mb_y = 0; s->mb_y < s->mb_height; s->mb_y++) {
+ for (s->mb_x = 0; s->mb_x < s->mb_width; s->mb_x++) {
unsigned mb_type;
- h->mb_xy = h->mb_x + h->mb_y * h->mb_stride;
-
- if ((get_bits_count(&h->gb) + 7) >= h->gb.size_in_bits &&
- ((get_bits_count(&h->gb) & 7) == 0 ||
- show_bits(&h->gb, -get_bits_count(&h->gb) & 7) == 0)) {
- skip_bits(&h->gb, s->next_slice_index - get_bits_count(&h->gb));
- h->gb.size_in_bits = 8 * buf_size;
+ s->mb_xy = s->mb_x + s->mb_y * s->mb_stride;
- if (svq3_decode_slice_header(avctx))
- return -1;
+ if ((get_bits_left(&s->gb_slice)) <= 7) {
+ if (((get_bits_count(&s->gb_slice) & 7) == 0 ||
+ show_bits(&s->gb_slice, get_bits_left(&s->gb_slice) & 7) == 0)) {
+ if (svq3_decode_slice_header(avctx))
+ return -1;
+ }
/* TODO: support s->mb_skip_run */
}
- mb_type = svq3_get_ue_golomb(&h->gb);
+ mb_type = get_interleaved_ue_golomb(&s->gb_slice);
- if (h->pict_type == AV_PICTURE_TYPE_I)
+ if (s->pict_type == AV_PICTURE_TYPE_I)
mb_type += 8;
- else if (h->pict_type == AV_PICTURE_TYPE_B && mb_type >= 4)
+ else if (s->pict_type == AV_PICTURE_TYPE_B && mb_type >= 4)
mb_type += 4;
if (mb_type > 33 || svq3_decode_mb(s, mb_type)) {
- av_log(h->avctx, AV_LOG_ERROR,
- "error while decoding MB %d %d\n", h->mb_x, h->mb_y);
+ av_log(s->avctx, AV_LOG_ERROR,
+ "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
return -1;
}
if (mb_type != 0)
- ff_h264_hl_decode_mb(h, &h->slice_ctx[0]);
+ hl_decode_mb(s);
- if (h->pict_type != AV_PICTURE_TYPE_B && !h->low_delay)
- h->cur_pic.mb_type[h->mb_x + h->mb_y * h->mb_stride] =
- (h->pict_type == AV_PICTURE_TYPE_P && mb_type < 8) ? (mb_type - 1) : -1;
+ if (s->pict_type != AV_PICTURE_TYPE_B && !s->low_delay)
+ s->cur_pic->mb_type[s->mb_x + s->mb_y * s->mb_stride] =
+ (s->pict_type == AV_PICTURE_TYPE_P && mb_type < 8) ? (mb_type - 1) : -1;
}
- ff_draw_horiz_band(avctx, &s->cur_pic->f,
- s->last_pic->f.data[0] ? &s->last_pic->f : NULL,
- 16 * h->mb_y, 16, h->picture_structure, 0,
- h->low_delay);
+ ff_draw_horiz_band(avctx, s->cur_pic->f,
+ s->last_pic->f->data[0] ? s->last_pic->f : NULL,
+ 16 * s->mb_y, 16, PICT_FRAME, 0,
+ s->low_delay);
}
- if (h->pict_type == AV_PICTURE_TYPE_B || h->low_delay)
- ret = av_frame_ref(data, &s->cur_pic->f);
- else if (s->last_pic->f.data[0])
- ret = av_frame_ref(data, &s->last_pic->f);
+ if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay)
+ ret = av_frame_ref(data, s->cur_pic->f);
+ else if (s->last_pic->f->data[0])
+ ret = av_frame_ref(data, s->last_pic->f);
if (ret < 0)
return ret;
/* Do not output the last pic after seeking. */
- if (s->last_pic->f.data[0] || h->low_delay)
+ if (s->last_pic->f->data[0] || s->low_delay)
*got_frame = 1;
- if (h->pict_type != AV_PICTURE_TYPE_B) {
- FFSWAP(H264Picture*, s->cur_pic, s->next_pic);
+ if (s->pict_type != AV_PICTURE_TYPE_B) {
+ FFSWAP(SVQ3Frame*, s->cur_pic, s->next_pic);
} else {
- av_frame_unref(&s->cur_pic->f);
+ av_frame_unref(s->cur_pic->f);
}
return buf_size;
static av_cold int svq3_decode_end(AVCodecContext *avctx)
{
SVQ3Context *s = avctx->priv_data;
- H264Context *h = &s->h;
free_picture(avctx, s->cur_pic);
free_picture(avctx, s->next_pic);
free_picture(avctx, s->last_pic);
+ av_frame_free(&s->cur_pic->f);
+ av_frame_free(&s->next_pic->f);
+ av_frame_free(&s->last_pic->f);
av_freep(&s->cur_pic);
av_freep(&s->next_pic);
av_freep(&s->last_pic);
-
- av_frame_unref(&h->cur_pic.f);
-
- ff_h264_free_context(h);
+ av_freep(&s->slice_buf);
+ av_freep(&s->intra4x4_pred_mode);
+ av_freep(&s->edge_emu_buffer);
+ av_freep(&s->mb2br_xy);
return 0;
}
.init = svq3_decode_init,
.close = svq3_decode_end,
.decode = svq3_decode_frame,
- .capabilities = CODEC_CAP_DRAW_HORIZ_BAND |
- CODEC_CAP_DR1 |
- CODEC_CAP_DELAY,
+ .capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND |
+ AV_CODEC_CAP_DR1 |
+ AV_CODEC_CAP_DELAY,
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUVJ420P,
AV_PIX_FMT_NONE},
};