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svq3: K&R formatting cosmetics

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This commit is contained in:
Diego Biurrun 2012-10-19 18:03:10 +02:00
parent 8860878291
commit a7d2861d36
1 changed files with 446 additions and 388 deletions
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404
libavcodec/svq3.c
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@ -78,13 +78,13 @@ typedef struct {
#define PREDICT_MODE 4
/* dual scan (from some older h264 draft)
o-->o-->o o
| /|
o o o / o
| / | |/ |
o o o o
/
o-->o-->o-->o
* o-->o-->o o
* | /|
* o o o / o
* | / | |/ |
* o o o o
* /
* o-->o-->o-->o
*/
static const uint8_t svq3_scan[16] = {
0 + 0 * 4, 1 + 0 * 4, 2 + 0 * 4, 2 + 1 * 4,
@ -120,7 +120,10 @@ static const int8_t svq3_pred_1[6][6][5] = {
{ 4, 2, 0, 1, 3 }, { 2, 0, 1, 4, 3 }, { 4, 2, 1, 0, 3 } },
};
static const struct { uint8_t run; uint8_t level; } svq3_dct_tables[2][16] = {
static const struct {
uint8_t run;
uint8_t level;
} svq3_dct_tables[2][16] = {
{ { 0, 0 }, { 0, 1 }, { 1, 1 }, { 2, 1 }, { 0, 2 }, { 3, 1 }, { 4, 1 }, { 5, 1 },
{ 0, 3 }, { 1, 2 }, { 2, 2 }, { 6, 1 }, { 7, 1 }, { 8, 1 }, { 9, 1 }, { 0, 4 } },
{ { 0, 0 }, { 0, 1 }, { 1, 1 }, { 0, 2 }, { 2, 1 }, { 0, 3 }, { 0, 4 }, { 0, 5 },
@ -134,7 +137,8 @@ static const uint32_t svq3_dequant_coeff[32] = {
61694, 68745, 77615, 89113, 100253, 109366, 126635, 141533
};
void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *output, DCTELEM *input, int qp){
void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *output, DCTELEM *input, int qp)
{
const int qmul = svq3_dequant_coeff[qp];
#define stride 16
int i;
@ -168,14 +172,15 @@ void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *output, DCTELEM *input, int qp){
}
#undef stride
void ff_svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp,
int dc)
void ff_svq3_add_idct_c(uint8_t *dst, DCTELEM *block,
int stride, int qp, int dc)
{
const int qmul = svq3_dequant_coeff[qp];
int i;
if (dc) {
dc = 13*13*((dc == 1) ? 1538*block[0] : ((qmul*(block[0] >> 3)) / 2));
dc = 13 * 13 * ((dc == 1) ? 1538 * block[0]
: ((qmul * (block[0] >> 3)) / 2));
block[0] = 0;
}
@ -217,7 +222,6 @@ static inline int svq3_decode_block(GetBitContext *gb, DCTELEM *block,
for (limit = (16 >> intra); index < 16; index = limit, limit += 8) {
for (; (vlc = svq3_get_ue_golomb(gb)) != 0; index++) {
if (vlc == INVALID_VLC)
return -1;
@ -241,10 +245,12 @@ static inline int svq3_decode_block(GetBitContext *gb, DCTELEM *block,
level = svq3_dct_tables[intra][vlc].level;
} else if (intra) {
run = (vlc & 0x7);
level = (vlc >> 3) + ((run == 0) ? 8 : ((run < 2) ? 2 : ((run < 5) ? 0 : -1)));
level = (vlc >> 3) +
((run == 0) ? 8 : ((run < 2) ? 2 : ((run < 5) ? 0 : -1)));
} else {
run = (vlc & 0xF);
level = (vlc >> 4) + ((run == 0) ? 4 : ((run < 3) ? 2 : ((run < 10) ? 1 : 0)));
level = (vlc >> 4) +
((run == 0) ? 4 : ((run < 3) ? 2 : ((run < 10) ? 1 : 0)));
}
}
@ -277,10 +283,8 @@ static inline void svq3_mc_dir_part(MpegEncContext *s,
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)) {
if ((s->flags & CODEC_FLAG_EMU_EDGE))
emu = 1;
}
mx = av_clip(mx, -16, (s->h_edge_pos - width + 15));
my = av_clip(my, -16, (s->v_edge_pos - height + 15));
@ -291,14 +295,19 @@ static inline void svq3_mc_dir_part(MpegEncContext *s,
src = pic->f.data[0] + mx + my * s->linesize;
if (emu) {
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, (width + 1), (height + 1),
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src, s->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->dsp.avg_tpel_pixels_tab
: s->dsp.put_tpel_pixels_tab)[dxy](dest, src, s->linesize,
width, height);
else
(avg ? s->dsp.avg_pixels_tab : s->dsp.put_pixels_tab)[blocksize][dxy](dest, src, s->linesize, height);
(avg ? s->dsp.avg_pixels_tab
: s->dsp.put_pixels_tab)[blocksize][dxy](dest, src, s->linesize,
height);
if (!(s->flags & CODEC_FLAG_GRAY)) {
mx = (mx + (mx < (int) x)) >> 1;
@ -312,20 +321,28 @@ static inline void svq3_mc_dir_part(MpegEncContext *s,
src = pic->f.data[i] + mx + my * s->uvlinesize;
if (emu) {
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src, s->uvlinesize, (width + 1), (height + 1),
mx, my, (s->h_edge_pos >> 1), (s->v_edge_pos >> 1));
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src, s->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->dsp.avg_tpel_pixels_tab
: s->dsp.put_tpel_pixels_tab)[dxy](dest, src,
s->uvlinesize,
width, height);
else
(avg ? s->dsp.avg_pixels_tab : s->dsp.put_pixels_tab)[blocksize][dxy](dest, src, s->uvlinesize, height);
(avg ? s->dsp.avg_pixels_tab
: s->dsp.put_pixels_tab)[blocksize][dxy](dest, src,
s->uvlinesize,
height);
}
}
}
static inline int svq3_mc_dir(H264Context *h, int size, int mode, int dir,
int avg)
static inline int svq3_mc_dir(H264Context *h, int size, int mode,
int dir, int avg)
{
int i, j, k, mx, my, dx, dy, x, y;
MpegEncContext *const s = (MpegEncContext *)h;
@ -335,13 +352,15 @@ static inline int svq3_mc_dir(H264Context *h, int size, int mode, int dir,
const int h_edge_pos = 6 * (s->h_edge_pos - part_width) - extra_width;
const int v_edge_pos = 6 * (s->v_edge_pos - part_height) - extra_width;
for (i = 0; i < 16; i += part_height) {
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;
const int b_xy = (4 * s->mb_x + (j >> 2)) +
(4 * s->mb_y + (i >> 2)) * h->b_stride;
int dxy;
x = 16 * s->mb_x + j;
y = 16 * s->mb_y + i;
k = ((j >> 2) & 1) + ((i >> 1) & 2) + ((j >> 1) & 4) + (i & 8);
k = ((j >> 2) & 1) + ((i >> 1) & 2) +
((j >> 1) & 4) + (i & 8);
if (mode != PREDICT_MODE) {
pred_motion(h, k, (part_width >> 2), dir, 1, &mx, &my);
@ -350,11 +369,15 @@ static inline int svq3_mc_dir(H264Context *h, int size, int mode, int dir,
my = s->next_picture.f.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 * h->frame_num_offset) /
h->prev_frame_num_offset + 1) >> 1;
my = ((my * h->frame_num_offset) /
h->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 * (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;
}
}
@ -384,7 +407,8 @@ static inline int svq3_mc_dir(H264Context *h, int size, int mode, int dir,
fy = ((unsigned)(my + 0x3000)) / 3 - 0x1000;
dxy = (mx - 3 * fx) + 4 * (my - 3 * fy);
svq3_mc_dir_part(s, x, y, part_width, part_height, fx, fy, dxy, 1, dir, avg);
svq3_mc_dir_part(s, x, y, part_width, part_height,
fx, fy, dxy, 1, dir, avg);
mx += mx;
my += my;
} else if (mode == HALFPEL_MODE || mode == PREDICT_MODE) {
@ -392,14 +416,16 @@ static inline int svq3_mc_dir(H264Context *h, int size, int mode, int dir,
my = ((unsigned)(my + 1 + 0x3000)) / 3 + dy - 0x1000;
dxy = (mx & 1) + 2 * (my & 1);
svq3_mc_dir_part(s, x, y, part_width, part_height, mx>>1, my>>1, dxy, 0, dir, avg);
svq3_mc_dir_part(s, x, y, part_width, part_height,
mx >> 1, my >> 1, dxy, 0, dir, avg);
mx *= 3;
my *= 3;
} else {
mx = ((unsigned)(mx + 3 + 0x6000)) / 6 + dx - 0x1000;
my = ((unsigned)(my + 3 + 0x6000)) / 6 + dy - 0x1000;
svq3_mc_dir_part(s, x, y, part_width, part_height, mx, my, 0, 0, dir, avg);
svq3_mc_dir_part(s, x, y, part_width, part_height,
mx, my, 0, 0, dir, avg);
mx *= 6;
my *= 6;
}
@ -411,24 +437,20 @@ static inline int svq3_mc_dir(H264Context *h, int size, int mode, int dir,
if (part_height == 8 && i < 8) {
AV_WN32A(h->mv_cache[dir][scan8[k] + 1 * 8], mv);
if (part_width == 8 && j < 8) {
if (part_width == 8 && j < 8)
AV_WN32A(h->mv_cache[dir][scan8[k] + 1 + 1 * 8], mv);
}
}
if (part_width == 8 && j < 8) {
if (part_width == 8 && j < 8)
AV_WN32A(h->mv_cache[dir][scan8[k] + 1], mv);
}
if (part_width == 4 || part_height == 4) {
if (part_width == 4 || part_height == 4)
AV_WN32A(h->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,
pack16to32(mx, my), 4);
}
}
return 0;
}
@ -449,12 +471,14 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
h->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) {
svq3_mc_dir_part(s, 16*s->mb_x, 16*s->mb_y, 16, 16, 0, 0, 0, 0, 0, 0);
if (s->pict_type == AV_PICTURE_TYPE_P ||
s->next_picture.f.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);
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);
}
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;
} else {
@ -467,51 +491,57 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
mb_type = MB_TYPE_16x16;
}
} else if (mb_type < 8) { /* INTER */
if (svq3->thirdpel_flag && svq3->halfpel_flag == !get_bits1 (&s->gb)) {
if (svq3->thirdpel_flag && svq3->halfpel_flag == !get_bits1(&s->gb))
mode = THIRDPEL_MODE;
} else if (svq3->halfpel_flag && svq3->thirdpel_flag == !get_bits1 (&s->gb)) {
else if (svq3->halfpel_flag &&
svq3->thirdpel_flag == !get_bits1(&s->gb))
mode = HALFPEL_MODE;
} else {
else
mode = FULLPEL_MODE;
}
/* fill caches */
/* note ref_cache should contain here:
????????
???11111
N??11111
N??11111
N??11111
* ????????
* ???11111
* N??11111
* N??11111
* N??11111
*/
for (m = 0; m < 2; m++) {
if (s->mb_x > 0 && h->intra4x4_pred_mode[h->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]);
}
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]);
} else {
for (i = 0; i < 4; i++) {
for (i = 0; i < 4; i++)
AV_ZERO32(h->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], 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);
memcpy(h->mv_cache[m][scan8[0] - 1 * 8],
s->current_picture.f.motion_val[m][b_xy - h->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);
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]);
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;
} else
h->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(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;
} else
h->ref_cache[m][scan8[0] - 1 - 1 * 8] = PART_NOT_AVAILABLE;
} else
memset(&h->ref_cache[m][scan8[0] - 1*8 - 1], PART_NOT_AVAILABLE, 8);
memset(&h->ref_cache[m][scan8[0] - 1 * 8 - 1],
PART_NOT_AVAILABLE, 8);
if (s->pict_type != AV_PICTURE_TYPE_B)
break;
@ -522,22 +552,20 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
if (svq3_mc_dir(h, (mb_type - 1), mode, 0, 0) < 0)
return -1;
} else { /* AV_PICTURE_TYPE_B */
if (mb_type != 2) {
if (mb_type != 2)
if (svq3_mc_dir(h, 0, mode, 0, 0) < 0)
return -1;
} else {
for (i = 0; i < 4; i++) {
memset(s->current_picture.f.motion_val[0][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
}
}
if (mb_type != 1) {
else
for (i = 0; i < 4; i++)
memset(s->current_picture.f.motion_val[0][b_xy + i * h->b_stride],
0, 4 * 2 * sizeof(int16_t));
if (mb_type != 1)
if (svq3_mc_dir(h, 0, mode, 1, (mb_type == 3)) < 0)
return -1;
} else {
for (i = 0; i < 4; i++) {
memset(s->current_picture.f.motion_val[1][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
}
}
else
for (i = 0; i < 4; i++)
memset(s->current_picture.f.motion_val[1][b_xy + i * h->b_stride],
0, 4 * 2 * sizeof(int16_t));
}
mb_type = MB_TYPE_16x16;
@ -546,23 +574,20 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
if (mb_type == 8) {
if (s->mb_x > 0) {
for (i = 0; i < 4; i++) {
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) {
if (h->intra4x4_pred_mode_cache[scan8[0] - 1] == -1)
h->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];
if (h->intra4x4_pred_mode_cache[4+8*0] == -1) {
if (h->intra4x4_pred_mode_cache[4 + 8 * 0] == -1)
h->top_samples_available = 0x33FF;
}
}
/* decode prediction codes for luma blocks */
for (i = 0; i < 16; i += 2) {
@ -585,10 +610,9 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
}
}
} else { /* mb_type == 33, DC_128_PRED block type */
for (i = 0; i < 4; i++) {
for (i = 0; i < 4; i++)
memset(&h->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_PRED, 4);
}
}
write_back_intra_pred_mode(h);
@ -598,9 +622,8 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
h->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;
h->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;
} else {
for (i = 0; i < 4; i++) {
for (i = 0; i < 4; i++)
memset(&h->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_128_PRED, 4);
}
h->top_samples_available = 0x33FF;
h->left_samples_available = 0x5F5F;
@ -621,13 +644,13 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
}
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], 0, 4*2*sizeof(int16_t));
}
for (i = 0; i < 4; i++)
memset(s->current_picture.f.motion_val[0][b_xy + i * h->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], 0, 4*2*sizeof(int16_t));
}
for (i = 0; i < 4; i++)
memset(s->current_picture.f.motion_val[1][b_xy + i * h->b_stride],
0, 4 * 2 * sizeof(int16_t));
}
}
if (!IS_INTRA4x4(mb_type)) {
@ -639,15 +662,18 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
s->dsp.clear_blocks(h->mb + 384);
}
if (!IS_INTRA16x16(mb_type) && (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B)) {
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);
return -1;
}
cbp = IS_INTRA(mb_type) ? golomb_to_intra4x4_cbp[vlc] : golomb_to_inter_cbp[vlc];
cbp = IS_INTRA(mb_type) ? golomb_to_intra4x4_cbp[vlc]
: golomb_to_inter_cbp[vlc];
}
if (IS_INTRA16x16(mb_type) || (s->pict_type != AV_PICTURE_TYPE_I && s->adaptive_quant && cbp)) {
if (IS_INTRA16x16(mb_type) ||
(s->pict_type != AV_PICTURE_TYPE_I && s->adaptive_quant && cbp)) {
s->qscale += svq3_get_se_golomb(&s->gb);
if (s->qscale > 31u) {
@ -659,7 +685,8 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int 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, "error while decoding intra luma dc\n");
av_log(h->s.avctx, AV_LOG_ERROR,
"error while decoding intra luma dc\n");
return -1;
}
}
@ -668,27 +695,29 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
const int index = IS_INTRA16x16(mb_type) ? 1 : 0;
const int type = ((s->qscale < 24 && IS_INTRA4x4(mb_type)) ? 2 : 1);
for (i = 0; i < 4; i++) {
for (i = 0; i < 4; i++)
if ((cbp & (1 << i))) {
for (j = 0; j < 4; j++) {
k = index ? ((j&1) + 2*(i&1) + 2*(j&2) + 4*(i&2)) : (4*i + j);
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;
if (svq3_decode_block(&s->gb, &h->mb[16 * k], index, type)) {
av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding block\n");
av_log(h->s.avctx, AV_LOG_ERROR,
"error while decoding block\n");
return -1;
}
}
}
}
if ((cbp & 0x30)) {
for (i = 1; i < 3; ++i) {
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, "error while decoding chroma dc block\n");
av_log(h->s.avctx, AV_LOG_ERROR,
"error while decoding chroma dc block\n");
return -1;
}
}
if ((cbp & 0x20)) {
for (i = 1; i < 3; i++) {
@ -697,7 +726,8 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
h->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, "error while decoding chroma ac block\n");
av_log(h->s.avctx, AV_LOG_ERROR,
"error while decoding chroma ac block\n");
return -1;
}
}
@ -709,9 +739,8 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
h->cbp = cbp;
s->current_picture.f.mb_type[mb_xy] = mb_type;
if (IS_INTRA(mb_type)) {
if (IS_INTRA(mb_type))
h->chroma_pred_mode = ff_h264_check_intra_pred_mode(h, DC_PRED8x8, 1);
}
return 0;
}
@ -733,7 +762,9 @@ static int svq3_decode_slice_header(AVCodecContext *avctx)
} else {
int length = (header >> 5) & 3;
svq3->next_slice_index = get_bits_count(&s->gb) + 8*show_bits(&s->gb, 8*length) + 8*length;
svq3->next_slice_index = get_bits_count(&s->gb) +
8 * show_bits(&s->gb, 8 * length) +
8 * length;
if (svq3->next_slice_index > s->gb.size_in_bits) {
av_log(avctx, AV_LOG_ERROR, "slice after bitstream end\n");
@ -745,7 +776,8 @@ static int svq3_decode_slice_header(AVCodecContext *avctx)
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_WL32(&s->gb.buffer[(get_bits_count(&s->gb) >> 3) + 1],
header ^ svq3->watermark_key);
}
if (length > 0) {
memcpy((uint8_t *) &s->gb.buffer[get_bits_count(&s->gb) >> 3],
@ -763,7 +795,8 @@ static int svq3_decode_slice_header(AVCodecContext *avctx)
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_x + (s->mb_y * s->mb_width));
s->mb_skip_run = get_bits(&s->gb, i) -
(s->mb_x + (s->mb_y * s->mb_width));
} else {
skip_bits1(&s->gb);
s->mb_skip_run = 0;
@ -776,29 +809,29 @@ static int svq3_decode_slice_header(AVCodecContext *avctx)
/* unknown fields */
skip_bits1(&s->gb);
if (svq3->unknown_flag) {
if (svq3->unknown_flag)
skip_bits1(&s->gb);
}
skip_bits1(&s->gb);
skip_bits(&s->gb, 2);
while (get_bits1(&s->gb)) {
while (get_bits1(&s->gb))
skip_bits(&s->gb, 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, -1, 4*sizeof(int8_t));
memset(h->intra4x4_pred_mode+h->mb2br_xy[mb_xy - s->mb_x] , -1, 8*sizeof(int8_t)*s->mb_x);
memset(h->intra4x4_pred_mode + h->mb2br_xy[mb_xy - 1] + 3,
-1, 4 * sizeof(int8_t));
memset(h->intra4x4_pred_mode + h->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], -1, 8*sizeof(int8_t)*(s->mb_width - s->mb_x));
memset(h->intra4x4_pred_mode + h->mb2br_xy[mb_xy - s->mb_stride],
-1, 8 * sizeof(int8_t) * (s->mb_width - s->mb_x));
if (s->mb_x > 0) {
if (s->mb_x > 0)
h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride - 1] + 3] = -1;
}
}
return 0;
}
@ -845,7 +878,6 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
/* if a match was found, parse the extra data */
if (marker_found) {
GetBitContext gb;
int frame_size_code;
@ -857,13 +889,34 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
/* 'frame size code' and optional 'width, height' */
frame_size_code = get_bits(&gb, 3);
switch (frame_size_code) {
case 0: avctx->width = 160; avctx->height = 120; break;
case 1: avctx->width = 128; avctx->height = 96; break;
case 2: avctx->width = 176; avctx->height = 144; break;
case 3: avctx->width = 352; avctx->height = 288; break;
case 4: avctx->width = 704; avctx->height = 576; break;
case 5: avctx->width = 240; avctx->height = 180; break;
case 6: avctx->width = 320; avctx->height = 240; break;
case 0:
avctx->width = 160;
avctx->height = 120;
break;
case 1:
avctx->width = 128;
avctx->height = 96;
break;
case 2:
avctx->width = 176;
avctx->height = 144;
break;
case 3:
avctx->width = 352;
avctx->height = 288;
break;
case 4:
avctx->width = 704;
avctx->height = 576;
break;
case 5:
avctx->width = 240;
avctx->height = 180;
break;
case 6:
avctx->width = 320;
avctx->height = 240;
break;
case 7:
avctx->width = get_bits(&gb, 12);
avctx->height = get_bits(&gb, 12);
@ -884,9 +937,8 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
/* unknown field */
skip_bits1(&gb);
while (get_bits1(&gb)) {
while (get_bits1(&gb))
skip_bits(&gb, 8);
}
svq3->unknown_flag = get_bits1(&gb);
avctx->has_b_frames = !s->low_delay;
@ -898,7 +950,8 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
int u2 = get_bits(&gb, 8);
int u3 = get_bits(&gb, 2);
int u4 = svq3_get_ue_golomb(&gb);
unsigned long buf_len = watermark_width*watermark_height*4;
unsigned long buf_len = watermark_width *
watermark_height * 4;
int offset = (get_bits_count(&gb) + 7) >> 3;
uint8_t *buf;
@ -906,19 +959,27 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
return -1;
buf = av_malloc(buf_len);
av_log(avctx, AV_LOG_DEBUG, "watermark size: %dx%d\n", watermark_width, watermark_height);
av_log(avctx, AV_LOG_DEBUG, "u1: %x u2: %x u3: %x compressed data size: %d offset: %d\n", u1, u2, u3, u4, offset);
if (uncompress(buf, &buf_len, extradata + 8 + offset, size - offset) != Z_OK) {
av_log(avctx, AV_LOG_ERROR, "could not uncompress watermark logo\n");
av_log(avctx, AV_LOG_DEBUG, "watermark size: %dx%d\n",
watermark_width, watermark_height);
av_log(avctx, AV_LOG_DEBUG,
"u1: %x u2: %x u3: %x compressed data size: %d offset: %d\n",
u1, u2, u3, u4, offset);
if (uncompress(buf, &buf_len, extradata + 8 + offset,
size - offset) != Z_OK) {
av_log(avctx, AV_LOG_ERROR,
"could not uncompress watermark logo\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;
av_log(avctx, AV_LOG_DEBUG, "watermark key %#x\n", svq3->watermark_key);
svq3->watermark_key = svq3->watermark_key << 16 |
svq3->watermark_key;
av_log(avctx, AV_LOG_DEBUG,
"watermark key %#x\n", svq3->watermark_key);
av_free(buf);
#else
av_log(avctx, AV_LOG_ERROR, "this svq3 file contains watermark which need zlib support compiled in\n");
av_log(avctx, AV_LOG_ERROR,
"this svq3 file contains watermark which need zlib support compiled in\n");
return -1;
#endif
}
@ -941,9 +1002,8 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
return 0;
}
static int svq3_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
AVPacket *avpkt)
static int svq3_decode_frame(AVCodecContext *avctx, void *data,
int *data_size, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
SVQ3Context *svq3 = avctx->priv_data;
@ -972,11 +1032,12 @@ static int svq3_decode_frame(AVCodecContext *avctx,
s->pict_type = h->slice_type;
s->picture_number = h->slice_num;
if (avctx->debug&FF_DEBUG_PICT_INFO){
av_log(h->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,
if (avctx->debug & FF_DEBUG_PICT_INFO)
av_log(h->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;
@ -985,9 +1046,9 @@ static int svq3_decode_frame(AVCodecContext *avctx,
/* 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)
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) {
@ -1003,10 +1064,10 @@ static int svq3_decode_frame(AVCodecContext *avctx,
if (s->pict_type == AV_PICTURE_TYPE_B) {
h->frame_num_offset = (h->slice_num - h->prev_frame_num);
if (h->frame_num_offset < 0) {
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) {
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");
return -1;
}
@ -1015,10 +1076,9 @@ static int svq3_decode_frame(AVCodecContext *avctx,
h->frame_num = h->slice_num;
h->prev_frame_num_offset = (h->frame_num - h->prev_frame_num);
if (h->prev_frame_num_offset < 0) {
if (h->prev_frame_num_offset < 0)
h->prev_frame_num_offset += 256;
}
}
for (m = 0; m < 2; m++) {
int i;
@ -1036,8 +1096,8 @@ static int svq3_decode_frame(AVCodecContext *avctx,
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)) {
((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;
@ -1049,41 +1109,37 @@ static int svq3_decode_frame(AVCodecContext *avctx,
mb_type = svq3_get_ue_golomb(&s->gb);
if (s->pict_type == AV_PICTURE_TYPE_I) {
if (s->pict_type == AV_PICTURE_TYPE_I)
mb_type += 8;
} else if (s->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 ((unsigned)mb_type > 33 || svq3_decode_mb(svq3, mb_type)) {
av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
av_log(h->s.avctx, AV_LOG_ERROR,
"error while decoding MB %d %d\n", s->mb_x, s->mb_y);
return -1;
}
if (mb_type != 0) {
if (mb_type != 0)
ff_h264_hl_decode_mb(h);
}
if (s->pict_type != AV_PICTURE_TYPE_B && !s->low_delay) {
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->pict_type == AV_PICTURE_TYPE_P && mb_type < 8) ? (mb_type - 1) : -1;
}
}
ff_draw_horiz_band(s, 16 * s->mb_y, 16);
}
ff_MPV_frame_end(s);
if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay)
*(AVFrame *)data = s->current_picture.f;
} else {
else
*(AVFrame *)data = s->last_picture.f;
}
/* Do not output the last pic after seeking. */
if (s->last_picture_ptr || s->low_delay) {
if (s->last_picture_ptr || s->low_delay)
*data_size = sizeof(AVFrame);
}
return buf_size;
}
@ -1109,8 +1165,10 @@ AVCodec ff_svq3_decoder = {
.init = svq3_decode_init,
.close = svq3_decode_end,
.decode = svq3_decode_frame,
.capabilities = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 |
.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"),
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_NONE },
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUVJ420P,
AV_PIX_FMT_NONE},
};