* correctly decodes this file:
* http://samples.libav.org/V-codecs/SVQ3/Vertical400kbit.sorenson3.mov
*/
+
+#include <inttypes.h>
+
+#include "libavutil/attributes.h"
#include "internal.h"
-#include "dsputil.h"
#include "avcodec.h"
-#include "mpegvideo.h"
+#include "mpegutils.h"
#include "h264.h"
-
-#include "h264data.h" // FIXME FIXME FIXME
-
-#include "h264_mvpred.h"
+#include "h264data.h"
#include "golomb.h"
+#include "hpeldsp.h"
+#include "mathops.h"
#include "rectangle.h"
-#include "vdpau_internal.h"
+#include "tpeldsp.h"
#if CONFIG_ZLIB
#include <zlib.h>
#endif
#include "svq1.h"
-#include "svq3.h"
/**
* @file
* svq3 decoder.
*/
-typedef struct {
- H264Context h;
+typedef struct SVQ3Context {
+ AVCodecContext *avctx;
+
+ H264DSPContext h264dsp;
+ H264PredContext hpc;
+ HpelDSPContext hdsp;
+ TpelDSPContext tdsp;
+ VideoDSPContext vdsp;
+
+ H264Picture *cur_pic;
+ H264Picture *next_pic;
+ H264Picture *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
0 + 3 * 4, 1 + 3 * 4, 2 + 3 * 4, 3 + 3 * 4,
};
+static const uint8_t luma_dc_zigzag_scan[16] = {
+ 0 * 16 + 0 * 64, 1 * 16 + 0 * 64, 2 * 16 + 0 * 64, 0 * 16 + 2 * 64,
+ 3 * 16 + 0 * 64, 0 * 16 + 1 * 64, 1 * 16 + 1 * 64, 2 * 16 + 1 * 64,
+ 1 * 16 + 2 * 64, 2 * 16 + 2 * 64, 3 * 16 + 2 * 64, 0 * 16 + 3 * 64,
+ 3 * 16 + 1 * 64, 1 * 16 + 3 * 64, 2 * 16 + 3 * 64, 3 * 16 + 3 * 64,
+};
+
static const uint8_t svq3_pred_0[25][2] = {
{ 0, 0 },
{ 1, 0 }, { 0, 1 },
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;
dst[i + stride * 2] = av_clip_uint8(dst[i + stride * 2] + ((z1 - z2) * qmul + rr >> 20));
dst[i + stride * 3] = av_clip_uint8(dst[i + stride * 3] + ((z0 - z3) * qmul + rr >> 20));
}
+
+ memset(block, 0, 16 * sizeof(int16_t));
}
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;
return 0;
}
-static inline void svq3_mc_dir_part(MpegEncContext *s,
+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)
{
- const Picture *pic = (dir == 0) ? &s->last_picture : &s->next_picture;
+ const H264Picture *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;
if (mx < 0 || mx >= s->h_edge_pos - width - 1 ||
my < 0 || my >= s->v_edge_pos - height - 1) {
- if ((s->flags & CODEC_FLAG_EMU_EDGE))
- emu = 1;
-
+ emu = 1;
mx = av_clip(mx, -16, s->h_edge_pos - width + 15);
my = av_clip(my, -16, s->v_edge_pos - height + 15);
}
/* form component predictions */
- dest = s->current_picture.f.data[0] + x + y * s->linesize;
- src = pic->f.data[0] + mx + my * s->linesize;
+ dest = s->cur_pic->f->data[0] + x + y * linesize;
+ src = pic->f->data[0] + mx + my * linesize;
if (emu) {
- s->vdsp.emulated_edge_mc(s->edge_emu_buffer, src, s->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 = s->edge_emu_buffer;
}
if (thirdpel)
- (avg ? s->dsp.avg_tpel_pixels_tab
- : s->dsp.put_tpel_pixels_tab)[dxy](dest, src, s->linesize,
- width, height);
+ (avg ? s->tdsp.avg_tpel_pixels_tab
+ : s->tdsp.put_tpel_pixels_tab)[dxy](dest, src, linesize,
+ width, height);
else
- (avg ? s->dsp.avg_pixels_tab
- : s->dsp.put_pixels_tab)[blocksize][dxy](dest, src, s->linesize,
- height);
+ (avg ? s->hdsp.avg_pixels_tab
+ : s->hdsp.put_pixels_tab)[blocksize][dxy](dest, src, linesize,
+ height);
- if (!(s->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 = s->current_picture.f.data[i] + (x >> 1) + (y >> 1) * s->uvlinesize;
- src = pic->f.data[i] + mx + my * s->uvlinesize;
+ dest = s->cur_pic->f->data[i] + (x >> 1) + (y >> 1) * uvlinesize;
+ src = pic->f->data[i] + mx + my * uvlinesize;
if (emu) {
- s->vdsp.emulated_edge_mc(s->edge_emu_buffer, src, s->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 = s->edge_emu_buffer;
}
if (thirdpel)
- (avg ? s->dsp.avg_tpel_pixels_tab
- : s->dsp.put_tpel_pixels_tab)[dxy](dest, src,
- s->uvlinesize,
- width, height);
+ (avg ? s->tdsp.avg_tpel_pixels_tab
+ : s->tdsp.put_tpel_pixels_tab)[dxy](dest, src,
+ uvlinesize,
+ width, height);
else
- (avg ? s->dsp.avg_pixels_tab
- : s->dsp.put_pixels_tab)[blocksize][dxy](dest, src,
- s->uvlinesize,
- height);
+ (avg ? s->hdsp.avg_pixels_tab
+ : s->hdsp.put_pixels_tab)[blocksize][dxy](dest, src,
+ uvlinesize,
+ height);
}
}
}
-static inline int svq3_mc_dir(H264Context *h, int size, int mode,
+static inline int svq3_mc_dir(SVQ3Context *s, int size, int mode,
int dir, int avg)
{
int i, j, k, mx, my, dx, dy, x, y;
- MpegEncContext *const s = (MpegEncContext *)h;
const int part_width = ((size & 5) == 4) ? 4 : 16 >> (size & 1);
const int part_height = 16 >> ((unsigned)(size + 1) / 3);
const int extra_width = (mode == PREDICT_MODE) ? -16 * 6 : 0;
for (i = 0; i < 16; i += part_height)
for (j = 0; j < 16; j += part_width) {
const int b_xy = (4 * s->mb_x + (j >> 2)) +
- (4 * s->mb_y + (i >> 2)) * h->b_stride;
+ (4 * s->mb_y + (i >> 2)) * s->b_stride;
int dxy;
x = 16 * s->mb_x + j;
y = 16 * s->mb_y + i;
(j >> 1 & 4) + (i & 8);
if (mode != PREDICT_MODE) {
- pred_motion(h, k, part_width >> 2, dir, 1, &mx, &my);
+ svq3_pred_motion(s, k, part_width >> 2, dir, 1, &mx, &my);
} else {
- mx = s->next_picture.f.motion_val[0][b_xy][0] << 1;
- my = s->next_picture.f.motion_val[0][b_xy][1] << 1;
+ 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(&s->gb);
- dx = svq3_get_se_golomb(&s->gb);
+ dy = svq3_get_se_golomb(&s->gb_slice);
+ dx = svq3_get_se_golomb(&s->gb_slice);
if (dx == INVALID_VLC || dy == INVALID_VLC) {
- av_log(h->s.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(s->current_picture.f.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 int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
+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 int dctcoef_get(int16_t *mb, int index)
+{
+ return AV_RN16A(mb + index);
+}
+
+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 = &svq3->h;
int i, j, k, m, dir, mode;
int cbp = 0;
uint32_t vlc;
int8_t *top, *left;
- MpegEncContext *const s = (MpegEncContext *)h;
- const int mb_xy = h->mb_xy;
- const int b_xy = 4 * s->mb_x + 4 * s->mb_y * h->b_stride;
+ const int mb_xy = s->mb_xy;
+ const int b_xy = 4 * s->mb_x + 4 * s->mb_y * s->b_stride;
- h->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;
- h->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;
- h->topright_samples_available = 0xFFFF;
+ 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 (s->pict_type == AV_PICTURE_TYPE_P ||
- s->next_picture.f.mb_type[mb_xy] == -1) {
+ s->next_pic->mb_type[mb_xy] == -1) {
svq3_mc_dir_part(s, 16 * s->mb_x, 16 * s->mb_y, 16, 16,
0, 0, 0, 0, 0, 0);
mb_type = MB_TYPE_SKIP;
} else {
- mb_type = FFMIN(s->next_picture.f.mb_type[mb_xy], 6);
- if (svq3_mc_dir(h, mb_type, PREDICT_MODE, 0, 0) < 0)
+ mb_type = FFMIN(s->next_pic->mb_type[mb_xy], 6);
+ if (svq3_mc_dir(s, mb_type, PREDICT_MODE, 0, 0) < 0)
return -1;
- if (svq3_mc_dir(h, mb_type, PREDICT_MODE, 1, 1) < 0)
+ if (svq3_mc_dir(s, mb_type, PREDICT_MODE, 1, 1) < 0)
return -1;
mb_type = MB_TYPE_16x16;
}
} else if (mb_type < 8) { /* INTER */
- if (svq3->thirdpel_flag && svq3->halfpel_flag == !get_bits1(&s->gb))
+ if (s->thirdpel_flag && s->halfpel_flag == !get_bits1(&s->gb_slice))
mode = THIRDPEL_MODE;
- else if (svq3->halfpel_flag &&
- svq3->thirdpel_flag == !get_bits1(&s->gb))
+ else if (s->halfpel_flag &&
+ s->thirdpel_flag == !get_bits1(&s->gb_slice))
mode = HALFPEL_MODE;
else
mode = FULLPEL_MODE;
*/
for (m = 0; m < 2; m++) {
- if (s->mb_x > 0 && h->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],
- s->current_picture.f.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 (s->mb_y > 0) {
- memcpy(h->mv_cache[m][scan8[0] - 1 * 8],
- s->current_picture.f.motion_val[m][b_xy - h->b_stride],
+ 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],
- (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1, 4);
+ 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(h->mv_cache[m][scan8[0] + 4 - 1 * 8],
- s->current_picture.f.motion_val[m][b_xy - h->b_stride + 4]);
- h->ref_cache[m][scan8[0] + 4 - 1 * 8] =
- (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride + 1] + 6] == -1 ||
- h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1;
+ 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;
+ s->ref_cache[m][scan8[0] + 4 - 1 * 8] = PART_NOT_AVAILABLE;
if (s->mb_x > 0) {
- AV_COPY32(h->mv_cache[m][scan8[0] - 1 - 1 * 8],
- s->current_picture.f.motion_val[m][b_xy - h->b_stride - 1]);
- h->ref_cache[m][scan8[0] - 1 - 1 * 8] =
- (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride - 1] + 3] == -1) ? PART_NOT_AVAILABLE : 1;
+ 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 (s->pict_type != AV_PICTURE_TYPE_B)
/* decode motion vector(s) and form prediction(s) */
if (s->pict_type == AV_PICTURE_TYPE_P) {
- if (svq3_mc_dir(h, mb_type - 1, mode, 0, 0) < 0)
+ if (svq3_mc_dir(s, mb_type - 1, mode, 0, 0) < 0)
return -1;
} else { /* AV_PICTURE_TYPE_B */
- if (mb_type != 2)
- if (svq3_mc_dir(h, 0, mode, 0, 0) < 0)
+ if (mb_type != 2) {
+ if (svq3_mc_dir(s, 0, mode, 0, 0) < 0)
return -1;
- else
+ } else {
for (i = 0; i < 4; i++)
- memset(s->current_picture.f.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)
- if (svq3_mc_dir(h, 0, mode, 1, mb_type == 3) < 0)
+ }
+ if (mb_type != 1) {
+ if (svq3_mc_dir(s, 0, mode, 1, mb_type == 3) < 0)
return -1;
- else
+ } else {
for (i = 0; i < 4; i++)
- memset(s->current_picture.f.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(h->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 (s->mb_x > 0) {
for (i = 0; i < 4; i++)
- h->intra4x4_pred_mode_cache[scan8[0] - 1 + i * 8] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1] + 6 - i];
- if (h->intra4x4_pred_mode_cache[scan8[0] - 1] == -1)
- h->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 (s->mb_y > 0) {
- h->intra4x4_pred_mode_cache[4 + 8 * 0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride] + 0];
- h->intra4x4_pred_mode_cache[5 + 8 * 0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride] + 1];
- h->intra4x4_pred_mode_cache[6 + 8 * 0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride] + 2];
- h->intra4x4_pred_mode_cache[7 + 8 * 0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride] + 3];
+ 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 (h->intra4x4_pred_mode_cache[4 + 8 * 0] == -1)
- h->top_samples_available = 0x33FF;
+ 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(&s->gb);
+ vlc = svq3_get_ue_golomb(&s->gb_slice);
if (vlc >= 25) {
- av_log(h->s.avctx, AV_LOG_ERROR, "luma prediction:%d\n", vlc);
+ av_log(s->avctx, AV_LOG_ERROR,
+ "luma prediction:%"PRIu32"\n", vlc);
return -1;
}
- left = &h->intra4x4_pred_mode_cache[scan8[i] - 1];
- top = &h->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->s.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(&h->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);
+ 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);
+ ff_h264_check_intra4x4_pred_mode(s->intra4x4_pred_mode_cache,
+ s->avctx, s->top_samples_available,
+ s->left_samples_available);
- h->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;
- h->left_samples_available = (s->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(&h->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);
- h->top_samples_available = 0x33FF;
- h->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 ((h->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h, dir, 0)) == -1) {
- av_log(h->s.avctx, AV_LOG_ERROR, "check_intra_pred_mode = -1\n");
- return -1;
+ 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) && s->pict_type != AV_PICTURE_TYPE_I) {
for (i = 0; i < 4; i++)
- memset(s->current_picture.f.motion_val[0][b_xy + i * h->b_stride],
+ memset(s->cur_pic->motion_val[0][b_xy + i * s->b_stride],
0, 4 * 2 * sizeof(int16_t));
if (s->pict_type == AV_PICTURE_TYPE_B) {
for (i = 0; i < 4; i++)
- memset(s->current_picture.f.motion_val[1][b_xy + i * h->b_stride],
+ 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(h->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) || s->pict_type == AV_PICTURE_TYPE_B) {
- memset(h->non_zero_count_cache + 8, 0, 14 * 8 * sizeof(uint8_t));
- s->dsp.clear_blocks(h->mb + 0);
- s->dsp.clear_blocks(h->mb + 384);
+ memset(s->non_zero_count_cache + 8, 0, 14 * 8 * sizeof(uint8_t));
}
if (!IS_INTRA16x16(mb_type) &&
(!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B)) {
- if ((vlc = svq3_get_ue_golomb(&s->gb)) >= 48) {
- av_log(h->s.avctx, AV_LOG_ERROR, "cbp_vlc=%d\n", vlc);
+ if ((vlc = svq3_get_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) ||
(s->pict_type != AV_PICTURE_TYPE_I && s->adaptive_quant && cbp)) {
- s->qscale += svq3_get_se_golomb(&s->gb);
+ s->qscale += svq3_get_se_golomb(&s->gb_slice);
if (s->qscale > 31u) {
- av_log(h->s.avctx, AV_LOG_ERROR, "qscale:%d\n", s->qscale);
+ 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(&s->gb, h->mb_luma_dc[0], 0, 1)) {
- av_log(h->s.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;
}
k = index ? (1 * (j & 1) + 2 * (i & 1) +
2 * (j & 2) + 4 * (i & 2))
: (4 * i + j);
- h->non_zero_count_cache[scan8[k]] = 1;
+ s->non_zero_count_cache[scan8[k]] = 1;
- if (svq3_decode_block(&s->gb, &h->mb[16 * k], index, type)) {
- av_log(h->s.avctx, AV_LOG_ERROR,
+ 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(&s->gb, &h->mb[16 * 16 * i], 0, 3)) {
- av_log(h->s.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;
- h->non_zero_count_cache[scan8[k]] = 1;
+ s->non_zero_count_cache[scan8[k]] = 1;
- if (svq3_decode_block(&s->gb, &h->mb[16 * k], 1, 1)) {
- av_log(h->s.avctx, AV_LOG_ERROR,
+ 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;
- s->current_picture.f.mb_type[mb_xy] = mb_type;
+ s->cbp = cbp;
+ s->cur_pic->mb_type[mb_xy] = mb_type;
if (IS_INTRA(mb_type))
- h->chroma_pred_mode = ff_h264_check_intra_pred_mode(h, 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 *svq3 = avctx->priv_data;
- H264Context *h = &svq3->h;
- MpegEncContext *s = &h->s;
- const int mb_xy = h->mb_xy;
+ SVQ3Context *s = avctx->priv_data;
+ const int mb_xy = s->mb_xy;
int i, header;
unsigned slice_id;
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;
- svq3->next_slice_index = get_bits_count(&s->gb) +
- 8 * show_bits(&s->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 (svq3->next_slice_index > s->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;
}
- s->gb.size_in_bits = svq3->next_slice_index - 8 * (length - 1);
skip_bits(&s->gb, 8);
- if (svq3->watermark_key) {
- uint32_t header = AV_RL32(&s->gb.buffer[(get_bits_count(&s->gb) >> 3) + 1]);
- AV_WL32(&s->gb.buffer[(get_bits_count(&s->gb) >> 3) + 1],
- header ^ svq3->watermark_key);
+ 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(&s->gb_slice.buffer[1]);
+ AV_WL32(&s->gb_slice.buffer[1], header ^ s->watermark_key);
}
if (length > 0) {
- memcpy((uint8_t *) &s->gb.buffer[get_bits_count(&s->gb) >> 3],
- &s->gb.buffer[s->gb.size_in_bits >> 3], length - 1);
+ memcpy(s->slice_buf, &s->slice_buf[slice_length], length - 1);
}
- skip_bits_long(&s->gb, 0);
+ skip_bits_long(&s->gb, slice_bytes * 8);
}
- if ((slice_id = svq3_get_ue_golomb(&s->gb)) >= 3) {
- av_log(h->s.avctx, AV_LOG_ERROR, "illegal slice type %d \n", slice_id);
+ if ((slice_id = svq3_get_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 = (s->mb_num < 64) ? 6 : (1 + av_log2(s->mb_num - 1));
- s->mb_skip_run = get_bits(&s->gb, i) -
- (s->mb_y * s->mb_width + s->mb_x);
+ i = (s->mb_num < 64) ? 6 : (1 + av_log2(s->mb_num - 1));
+ get_bits(&s->gb_slice, i);
} else {
- skip_bits1(&s->gb);
- s->mb_skip_run = 0;
+ skip_bits1(&s->gb_slice);
}
- h->slice_num = get_bits(&s->gb, 8);
- s->qscale = get_bits(&s->gb, 5);
- s->adaptive_quant = get_bits1(&s->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(&s->gb);
+ skip_bits1(&s->gb_slice);
- if (svq3->unknown_flag)
- skip_bits1(&s->gb);
+ if (s->unknown_flag)
+ skip_bits1(&s->gb_slice);
- skip_bits1(&s->gb);
- skip_bits(&s->gb, 2);
+ skip_bits1(&s->gb_slice);
+ skip_bits(&s->gb_slice, 2);
- while (get_bits1(&s->gb))
- skip_bits(&s->gb, 8);
+ while (get_bits1(&s->gb_slice))
+ skip_bits(&s->gb_slice, 8);
/* reset intra predictors and invalidate motion vector references */
if (s->mb_x > 0) {
- memset(h->intra4x4_pred_mode + h->mb2br_xy[mb_xy - 1] + 3,
+ memset(s->intra4x4_pred_mode + s->mb2br_xy[mb_xy - 1] + 3,
-1, 4 * sizeof(int8_t));
- memset(h->intra4x4_pred_mode + h->mb2br_xy[mb_xy - s->mb_x],
+ memset(s->intra4x4_pred_mode + s->mb2br_xy[mb_xy - s->mb_x],
-1, 8 * sizeof(int8_t) * s->mb_x);
}
if (s->mb_y > 0) {
- memset(h->intra4x4_pred_mode + h->mb2br_xy[mb_xy - s->mb_stride],
+ 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 (s->mb_x > 0)
- h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride - 1] + 3] = -1;
+ 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 *svq3 = avctx->priv_data;
- H264Context *h = &svq3->h;
- MpegEncContext *s = &h->s;
- int m;
+ SVQ3Context *s = avctx->priv_data;
+ int m, x, y;
unsigned char *extradata;
unsigned char *extradata_end;
unsigned int size;
int marker_found = 0;
- if (ff_h264_decode_init(avctx) < 0)
- return -1;
+ s->cur_pic = av_mallocz(sizeof(*s->cur_pic));
+ s->last_pic = av_mallocz(sizeof(*s->last_pic));
+ s->next_pic = av_mallocz(sizeof(*s->next_pic));
+ if (!s->next_pic || !s->last_pic || !s->cur_pic) {
+ av_freep(&s->cur_pic);
+ av_freep(&s->last_pic);
+ av_freep(&s->next_pic);
+ return AVERROR(ENOMEM);
+ }
- s->flags = avctx->flags;
- s->flags2 = avctx->flags2;
- s->unrestricted_mv = 1;
- h->is_complex = 1;
- avctx->pix_fmt = avctx->codec->pix_fmts[0];
+ 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);
- h->chroma_qp[0] = h->chroma_qp[1] = 4;
+ 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);
- svq3->halfpel_flag = 1;
- svq3->thirdpel_flag = 1;
- svq3->unknown_flag = 0;
+ ff_hpeldsp_init(&s->hdsp, avctx->flags);
+ ff_tpeldsp_init(&s->tdsp);
+
+ avctx->pix_fmt = AV_PIX_FMT_YUVJ420P;
+ avctx->color_range = AVCOL_RANGE_JPEG;
+
+ s->avctx = avctx;
+ s->halfpel_flag = 1;
+ s->thirdpel_flag = 1;
+ s->unknown_flag = 0;
/* prowl for the "SEQH" marker in the extradata */
extradata = (unsigned char *)avctx->extradata;
break;
}
- svq3->halfpel_flag = get_bits1(&gb);
- svq3->thirdpel_flag = get_bits1(&gb);
+ s->halfpel_flag = get_bits1(&gb);
+ s->thirdpel_flag = get_bits1(&gb);
/* unknown fields */
skip_bits1(&gb);
while (get_bits1(&gb))
skip_bits(&gb, 8);
- svq3->unknown_flag = get_bits1(&gb);
+ s->unknown_flag = get_bits1(&gb);
avctx->has_b_frames = !s->low_delay;
- if (svq3->unknown_flag) {
+ if (s->unknown_flag) {
#if CONFIG_ZLIB
unsigned watermark_width = svq3_get_ue_golomb(&gb);
unsigned watermark_height = svq3_get_ue_golomb(&gb);
int offset = get_bits_count(&gb) + 7 >> 3;
uint8_t *buf;
- if ((uint64_t)watermark_width * 4 > UINT_MAX / watermark_height)
+ if (watermark_height > 0 &&
+ (uint64_t)watermark_width * 4 > UINT_MAX / watermark_height)
return -1;
buf = av_malloc(buf_len);
- av_log(avctx, AV_LOG_DEBUG, "watermark size: %dx%d\n",
+ av_log(avctx, AV_LOG_DEBUG, "watermark size: %ux%u\n",
watermark_width, watermark_height);
av_log(avctx, AV_LOG_DEBUG,
"u1: %x u2: %x u3: %x compressed data size: %d offset: %d\n",
av_free(buf);
return -1;
}
- svq3->watermark_key = ff_svq1_packet_checksum(buf, buf_len, 0);
- svq3->watermark_key = svq3->watermark_key << 16 |
- svq3->watermark_key;
+ s->watermark_key = ff_svq1_packet_checksum(buf, buf_len, 0);
+ s->watermark_key = s->watermark_key << 16 | s->watermark_key;
av_log(avctx, AV_LOG_DEBUG,
- "watermark key %#x\n", svq3->watermark_key);
+ "watermark key %#"PRIx32"\n", s->watermark_key);
av_free(buf);
#else
av_log(avctx, AV_LOG_ERROR,
}
}
- s->width = avctx->width;
- s->height = avctx->height;
-
- if (ff_MPV_common_init(s) < 0)
- return -1;
+ 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;
- h->b_stride = 4 * s->mb_width;
+ s->intra4x4_pred_mode = av_mallocz(s->mb_stride * 2 * 8);
+ if (!s->intra4x4_pred_mode)
+ return AVERROR(ENOMEM);
- if (ff_h264_alloc_tables(h) < 0) {
- av_log(avctx, AV_LOG_ERROR, "svq3 memory allocation failed\n");
+ 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)
+{
+ int i;
+ for (i = 0; i < 2; i++) {
+ av_buffer_unref(&pic->motion_val_buf[i]);
+ av_buffer_unref(&pic->ref_index_buf[i]);
+ }
+ av_buffer_unref(&pic->mb_type_buf);
+
+ av_frame_unref(pic->f);
+}
+
+static int get_buffer(AVCodecContext *avctx, H264Picture *pic)
+{
+ SVQ3Context *s = avctx->priv_data;
+ 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 + 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 * 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_buf[i] = av_buffer_allocz(4 * mb_array_size);
+ if (!pic->motion_val_buf[i] || !pic->ref_index_buf[i]) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ pic->motion_val[i] = (int16_t (*)[2])pic->motion_val_buf[i]->data + 4;
+ pic->ref_index[i] = pic->ref_index_buf[i]->data;
+ }
+ }
+ pic->reference = !(s->pict_type == AV_PICTURE_TYPE_B);
+
+ ret = ff_get_buffer(avctx, pic->f,
+ pic->reference ? AV_GET_BUFFER_FLAG_REF : 0);
+ if (ret < 0)
+ goto fail;
+
+ if (!s->edge_emu_buffer) {
+ s->edge_emu_buffer = av_mallocz(pic->f->linesize[0] * 17);
+ if (!s->edge_emu_buffer)
+ return AVERROR(ENOMEM);
}
return 0;
+fail:
+ free_picture(avctx, pic);
+ return ret;
}
static int svq3_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
- SVQ3Context *svq3 = avctx->priv_data;
- H264Context *h = &svq3->h;
- MpegEncContext *s = &h->s;
+ SVQ3Context *s = avctx->priv_data;
int buf_size = avpkt->size;
- int m;
+ int ret, m, i;
/* special case for last picture */
if (buf_size == 0) {
- if (s->next_picture_ptr && !s->low_delay) {
- *(AVFrame *) data = s->next_picture.f;
- s->next_picture_ptr = NULL;
+ 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;
*got_frame = 1;
}
return 0;
}
- init_get_bits(&s->gb, buf, 8 * buf_size);
+ ret = init_get_bits(&s->gb, buf, 8 * buf_size);
+ if (ret < 0)
+ return ret;
- s->mb_x = s->mb_y = h->mb_xy = 0;
+ s->mb_x = s->mb_y = s->mb_xy = 0;
if (svq3_decode_slice_header(avctx))
return -1;
- s->pict_type = h->slice_type;
- s->picture_number = h->slice_num;
+ if (s->pict_type != AV_PICTURE_TYPE_B)
+ FFSWAP(H264Picture*, s->next_pic, s->last_pic);
+
+ av_frame_unref(s->cur_pic->f);
+
+ /* for skipping the frame */
+ 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;
+
+ for (i = 0; i < 16; i++) {
+ 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++) {
+ 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 (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]);
+ }
+
+ 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]);
+ }
+ }
if (avctx->debug & FF_DEBUG_PICT_INFO)
- av_log(h->s.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(s->pict_type),
- svq3->halfpel_flag, svq3->thirdpel_flag,
- s->adaptive_quant, s->qscale, h->slice_num);
-
- /* for skipping the frame */
- s->current_picture.f.pict_type = s->pict_type;
- s->current_picture.f.key_frame = (s->pict_type == AV_PICTURE_TYPE_I);
+ s->halfpel_flag, s->thirdpel_flag,
+ s->adaptive_quant, s->qscale, s->slice_num);
- /* Skip B-frames if we do not have reference frames. */
- if (s->last_picture_ptr == NULL && s->pict_type == AV_PICTURE_TYPE_B)
- return 0;
if (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B ||
avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I ||
avctx->skip_frame >= AVDISCARD_ALL)
s->next_p_frame_damaged = 0;
}
- if (ff_h264_frame_start(h) < 0)
- return -1;
-
if (s->pict_type == AV_PICTURE_TYPE_B) {
- h->frame_num_offset = h->slice_num - h->prev_frame_num;
+ 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->s.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 (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 = s->mb_x + s->mb_y * s->mb_stride;
-
- if ((get_bits_count(&s->gb) + 7) >= s->gb.size_in_bits &&
- ((get_bits_count(&s->gb) & 7) == 0 ||
- show_bits(&s->gb, -get_bits_count(&s->gb) & 7) == 0)) {
- skip_bits(&s->gb, svq3->next_slice_index - get_bits_count(&s->gb));
- s->gb.size_in_bits = 8 * buf_size;
+ s->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(&s->gb);
+ mb_type = svq3_get_ue_golomb(&s->gb_slice);
if (s->pict_type == AV_PICTURE_TYPE_I)
mb_type += 8;
else if (s->pict_type == AV_PICTURE_TYPE_B && mb_type >= 4)
mb_type += 4;
- if (mb_type > 33 || svq3_decode_mb(svq3, mb_type)) {
- av_log(h->s.avctx, AV_LOG_ERROR,
+ if (mb_type > 33 || svq3_decode_mb(s, mb_type)) {
+ 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);
+ hl_decode_mb(s);
if (s->pict_type != AV_PICTURE_TYPE_B && !s->low_delay)
- s->current_picture.f.mb_type[s->mb_x + s->mb_y * s->mb_stride] =
+ s->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_mpeg_draw_horiz_band(s, 16 * s->mb_y, 16);
+ 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);
}
- ff_MPV_frame_end(s);
-
if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay)
- *(AVFrame *)data = s->current_picture.f;
- else
- *(AVFrame *)data = s->last_picture.f;
+ 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_picture_ptr || s->low_delay)
+ if (s->last_pic->f->data[0] || s->low_delay)
*got_frame = 1;
+ if (s->pict_type != AV_PICTURE_TYPE_B) {
+ FFSWAP(H264Picture*, s->cur_pic, s->next_pic);
+ } else {
+ av_frame_unref(s->cur_pic->f);
+ }
+
return buf_size;
}
-static int svq3_decode_end(AVCodecContext *avctx)
+static av_cold int svq3_decode_end(AVCodecContext *avctx)
{
- SVQ3Context *svq3 = avctx->priv_data;
- H264Context *h = &svq3->h;
- MpegEncContext *s = &h->s;
-
- ff_h264_free_context(h);
-
- ff_MPV_common_end(s);
+ SVQ3Context *s = avctx->priv_data;
+
+ 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_freep(&s->slice_buf);
+ av_freep(&s->intra4x4_pred_mode);
+ av_freep(&s->edge_emu_buffer);
+ av_freep(&s->mb2br_xy);
return 0;
}
AVCodec ff_svq3_decoder = {
.name = "svq3",
+ .long_name = NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 3 / Sorenson Video 3 / SVQ3"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_SVQ3,
.priv_data_size = sizeof(SVQ3Context),
.init = svq3_decode_init,
.close = svq3_decode_end,
.decode = svq3_decode_frame,
- .capabilities = CODEC_CAP_DRAW_HORIZ_BAND |
- CODEC_CAP_DR1 |
- CODEC_CAP_DELAY,
- .long_name = NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 3 / Sorenson Video 3 / SVQ3"),
+ .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},
};
projects / ffmpeg / blobdiff