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store halfpel filter coefficients in the header as well as the

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flag for diagonal interpolation

the primary reason for this change is that previously MC up to 1/4 pel
matched H.264 exactly and that increases the risk of stumbling over
patents

secondly this allows 0.10 db or more quality gain by choosing a longer
filter and the filter could also be chosen optimally for each frame
though that of course would cause speed loss at the decoder and encoder
side ...

Originally committed as revision 10436 to svn://svn.ffmpeg.org/ffmpeg/trunk
pull/126/head
Michael Niedermayer 18 years ago
parent 4770a97aae
commit 7d7f57d939
4 changed files with 150 additions and 74 deletions
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  1. 152
      libavcodec/snow.c
  2. 8
      tests/ffmpeg.regression.ref
  3. 8
      tests/rotozoom.regression.ref
  4. 56
      tests/seek.regression.ref

152
libavcodec/snow.c
Unescape View File

@ -394,7 +394,7 @@ static const BlockNode null_block= { //FIXME add border maybe
#define LOG2_MB_SIZE 4
#define MB_SIZE (1<<LOG2_MB_SIZE)
#define ENCODER_EXTRA_BITS 4
#define HTAPS 6
#define HTAPS 8
typedef struct x_and_coeff{
int16_t x;
@ -421,6 +421,15 @@ typedef struct Plane{
int width;
int height;
SubBand band[MAX_DECOMPOSITIONS][4];
int htaps;
int8_t hcoeff[HTAPS/2];
int diag_mc;
int fast_mc;
int last_htaps;
int8_t last_hcoeff[HTAPS/2];
int last_diag_mc;
}Plane;
typedef struct SnowContext{
@ -2143,7 +2152,7 @@ static void decode_blocks(SnowContext *s){
}
}
static void mc_block(uint8_t *dst, const uint8_t *src, uint8_t *tmp, int stride, int b_w, int b_h, int dx, int dy){
static void mc_block(Plane *p, uint8_t *dst, const uint8_t *src, uint8_t *tmp, int stride, int b_w, int b_h, int dx, int dy){
const static uint8_t weight[64]={
8,7,6,5,4,3,2,1,
7,7,0,0,0,0,0,1,
@ -2193,11 +2202,12 @@ START_TIMER
l= brane[dx + 16*dy]>>4;
b= needs[l] | needs[r];
if(p && !p->diag_mc)
b= 15;
if(b&5){
for(y=0; y < b_h+HTAPS-1; y++){
for(x=0; x < b_w; x++){
int a_2=src[x + HTAPS/2-5];
int a_1=src[x + HTAPS/2-4];
int a0= src[x + HTAPS/2-3];
int a1= src[x + HTAPS/2-2];
@ -2206,15 +2216,17 @@ START_TIMER
int a4= src[x + HTAPS/2+1];
int a5= src[x + HTAPS/2+2];
int a6= src[x + HTAPS/2+3];
int a7= src[x + HTAPS/2+4];
#if HTAPS==6
int am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5);
#else
int am= 21*(a2+a3) - 7*(a1+a4) + 3*(a0+a5) - (a_1+a6);
#endif
int am=0;
if(!p || p->fast_mc){
am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5);
tmpI[x]= am;
am= (am+16)>>5;
}else{
am= p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6);
tmpI[x]= am;
am= (am+32)>>6;
}
tmpI[x]= am;
am= (am+16)>>5;
if(am&(~255)) am= ~(am>>31);
tmp2[x]= am;
}
@ -2230,7 +2242,6 @@ START_TIMER
if(b&2){
for(y=0; y < b_h; y++){
for(x=0; x < b_w+1; x++){
int a_2=src[x + (HTAPS/2-5)*stride];
int a_1=src[x + (HTAPS/2-4)*stride];
int a0= src[x + (HTAPS/2-3)*stride];
int a1= src[x + (HTAPS/2-2)*stride];
@ -2239,14 +2250,12 @@ START_TIMER
int a4= src[x + (HTAPS/2+1)*stride];
int a5= src[x + (HTAPS/2+2)*stride];
int a6= src[x + (HTAPS/2+3)*stride];
int a7= src[x + (HTAPS/2+4)*stride];
#if HTAPS==6
int am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5);
#else
int am= 21*(a2+a3) - 7*(a1+a4) + 3*(a0+a5) - (a_1+a6);
#endif
int am=0;
if(!p || p->fast_mc)
am= (20*(a2+a3) - 5*(a1+a4) + (a0+a5) + 16)>>5;
else
am= (p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6) + 32)>>6;
am= (am + 16)>>5;
if(am&(~255)) am= ~(am>>31);
tmp2[x]= am;
}
@ -2261,7 +2270,6 @@ START_TIMER
if(b&4){
for(y=0; y < b_h; y++){
for(x=0; x < b_w; x++){
int a_2=tmpI[x + (HTAPS/2-5)*64];
int a_1=tmpI[x + (HTAPS/2-4)*64];
int a0= tmpI[x + (HTAPS/2-3)*64];
int a1= tmpI[x + (HTAPS/2-2)*64];
@ -2270,13 +2278,11 @@ START_TIMER
int a4= tmpI[x + (HTAPS/2+1)*64];
int a5= tmpI[x + (HTAPS/2+2)*64];
int a6= tmpI[x + (HTAPS/2+3)*64];
int a7= tmpI[x + (HTAPS/2+4)*64];
#if HTAPS==6
int am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5);
#else
int am= 21*(a2+a3) - 7*(a1+a4) + 3*(a0+a5) - (a_1+a6);
#endif
am= (am + 512)>>10;
int am=0;
if(!p || p->fast_mc)
am= (20*(a2+a3) - 5*(a1+a4) + (a0+a5) + 512)>>10;
else
am= (p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6) + 2048)>>12;
if(am&(~255)) am= ~(am>>31);
tmp2[x]= am;
}
@ -2336,7 +2342,7 @@ STOP_TIMER("mc_block")
static void mc_block_hpel ## dx ## dy ## b_w(uint8_t *dst, const uint8_t *src, int stride, int h){\
uint8_t tmp[stride*(b_w+HTAPS-1)];\
assert(h==b_w);\
mc_block(dst, src-(HTAPS/2-1)-(HTAPS/2-1)*stride, tmp, stride, b_w, b_w, dx, dy);\
mc_block(NULL, dst, src-(HTAPS/2-1)-(HTAPS/2-1)*stride, tmp, stride, b_w, b_w, dx, dy);\
}
mca( 0, 0,16)
@ -2407,23 +2413,23 @@ static void pred_block(SnowContext *s, uint8_t *dst, uint8_t *tmp, int stride, i
// assert(!(b_w&(b_w-1)));
assert(b_w>1 && b_h>1);
assert(tab_index>=0 && tab_index<4 || b_w==32);
if((dx&3) || (dy&3) || !(b_w == b_h || 2*b_w == b_h || b_w == 2*b_h) || (b_w&(b_w-1)) || HTAPS != 6)
mc_block(dst, src, tmp, stride, b_w, b_h, dx, dy);
if((dx&3) || (dy&3) || !(b_w == b_h || 2*b_w == b_h || b_w == 2*b_h) || (b_w&(b_w-1)) || !s->plane[plane_index].fast_mc )
mc_block(&s->plane[plane_index], dst, src, tmp, stride, b_w, b_h, dx, dy);
else if(b_w==32){
int y;
for(y=0; y<b_h; y+=16){
s->dsp.put_h264_qpel_pixels_tab[0][dy+(dx>>2)](dst + y*stride, src + 2 + (y+2)*stride,stride);
s->dsp.put_h264_qpel_pixels_tab[0][dy+(dx>>2)](dst + 16 + y*stride, src + 18 + (y+2)*stride,stride);
s->dsp.put_h264_qpel_pixels_tab[0][dy+(dx>>2)](dst + y*stride, src + 3 + (y+3)*stride,stride);
s->dsp.put_h264_qpel_pixels_tab[0][dy+(dx>>2)](dst + 16 + y*stride, src + 19 + (y+3)*stride,stride);
}
}else if(b_w==b_h)
s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst,src + 2 + 2*stride,stride);
s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst,src + 3 + 3*stride,stride);
else if(b_w==2*b_h){
s->dsp.put_h264_qpel_pixels_tab[tab_index+1][dy+(dx>>2)](dst ,src + 2 + 2*stride,stride);
s->dsp.put_h264_qpel_pixels_tab[tab_index+1][dy+(dx>>2)](dst+b_h,src + 2 + b_h + 2*stride,stride);
s->dsp.put_h264_qpel_pixels_tab[tab_index+1][dy+(dx>>2)](dst ,src + 3 + 3*stride,stride);
s->dsp.put_h264_qpel_pixels_tab[tab_index+1][dy+(dx>>2)](dst+b_h,src + 3 + b_h + 3*stride,stride);
}else{
assert(2*b_w==b_h);
s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst ,src + 2 + 2*stride ,stride);
s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst+b_w*stride,src + 2 + 2*stride+b_w*stride,stride);
s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst ,src + 3 + 3*stride ,stride);
s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst+b_w*stride,src + 3 + 3*stride+b_w*stride,stride);
}
}
}
@ -3514,7 +3520,7 @@ static void correlate(SnowContext *s, SubBand *b, IDWTELEM *src, int stride, int
}
static void encode_header(SnowContext *s){
int plane_index, level, orientation;
int plane_index, level, orientation, i;
uint8_t kstate[32];
memset(kstate, MID_STATE, sizeof(kstate));
@ -3527,6 +3533,12 @@ static void encode_header(SnowContext *s){
s->last_qbias=
s->last_mv_scale=
s->last_block_max_depth= 0;
for(plane_index=0; plane_index<2; plane_index++){
Plane *p= &s->plane[plane_index];
p->last_htaps=0;
p->last_diag_mc=0;
memset(p->last_hcoeff, 0, sizeof(p->last_hcoeff));
}
}
if(s->keyframe){
put_symbol(&s->c, s->header_state, s->version, 0);
@ -3550,6 +3562,32 @@ static void encode_header(SnowContext *s){
}
}
}
if(!s->keyframe){
int update_mc=0;
for(plane_index=0; plane_index<2; plane_index++){
Plane *p= &s->plane[plane_index];
update_mc |= p->last_htaps != p->htaps;
update_mc |= p->last_diag_mc != p->diag_mc;
update_mc |= !!memcmp(p->last_hcoeff, p->hcoeff, sizeof(p->hcoeff));
}
if(!s->always_reset)
put_rac(&s->c, s->header_state, update_mc);
if(update_mc){
for(plane_index=0; plane_index<2; plane_index++){
Plane *p= &s->plane[plane_index];
put_rac(&s->c, s->header_state, p->diag_mc);
put_symbol(&s->c, s->header_state, p->htaps/2-1, 0);
for(i= p->htaps/2; i; i--)
put_symbol(&s->c, s->header_state, FFABS(p->hcoeff[i]), 0);
p->last_diag_mc= p->diag_mc;
p->last_htaps= p->htaps;
memcpy(p->last_hcoeff, p->hcoeff, sizeof(p->hcoeff));
}
}
}
put_symbol(&s->c, s->header_state, s->spatial_decomposition_type - s->last_spatial_decomposition_type, 1);
put_symbol(&s->c, s->header_state, s->qlog - s->last_qlog , 1);
put_symbol(&s->c, s->header_state, s->mv_scale - s->last_mv_scale, 1);
@ -3608,6 +3646,28 @@ static int decode_header(SnowContext *s){
}
}
if(!s->keyframe){
if(s->always_reset || get_rac(&s->c, s->header_state)){
for(plane_index=0; plane_index<2; plane_index++){
int htaps, i, sum=0, absum=0;
Plane *p= &s->plane[plane_index];
p->diag_mc= get_rac(&s->c, s->header_state);
htaps= get_symbol(&s->c, s->header_state, 0)*2 + 2;
if((unsigned)htaps > HTAPS || htaps==0)
return -1;
p->htaps= htaps;
for(i= htaps/2; i; i--){
p->hcoeff[i]= get_symbol(&s->c, s->header_state, 0) * (1-2*(i&1));
sum += p->hcoeff[i];
}
p->hcoeff[0]= 32-sum;
}
s->plane[2].diag_mc= s->plane[1].diag_mc;
s->plane[2].htaps = s->plane[1].htaps;
memcpy(s->plane[2].hcoeff, s->plane[1].hcoeff, sizeof(s->plane[1].hcoeff));
}
}
s->spatial_decomposition_type+= get_symbol(&s->c, s->header_state, 1);
if(s->spatial_decomposition_type > 1){
av_log(s->avctx, AV_LOG_ERROR, "spatial_decomposition_type %d not supported", s->spatial_decomposition_type);
@ -3715,6 +3775,14 @@ static int common_init(AVCodecContext *avctx){
}
s->plane[plane_index].width = w;
s->plane[plane_index].height= h;
s->plane[plane_index].diag_mc= 1;
s->plane[plane_index].htaps= 6;
s->plane[plane_index].hcoeff[0]= 40;
s->plane[plane_index].hcoeff[1]= -10;
s->plane[plane_index].hcoeff[2]= 2;
s->plane[plane_index].fast_mc= 1;
//av_log(NULL, AV_LOG_DEBUG, "%d %d\n", w, h);
for(level=s->spatial_decomposition_count-1; level>=0; level--){
for(orientation=level ? 1 : 0; orientation<4; orientation++){
@ -4354,6 +4422,14 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8
s->current_picture.pict_type= FF_I_TYPE; //FIXME I vs. P
decode_header(s);
for(plane_index=0; plane_index<3; plane_index++){
Plane *p= &s->plane[plane_index];
p->fast_mc= p->diag_mc && p->htaps==6 && p->hcoeff[0]==40
&& p->hcoeff[1]==-10
&& p->hcoeff[2]==2;
}
if(!s->block) alloc_blocks(s);
frame_start(s);

8
tests/ffmpeg.regression.ref
Unescape View File

@ -141,12 +141,12 @@ f8f51fa737add17f7fecaefa118b57ed *./tests/data/a-ffv1.avi
2654678 ./tests/data/a-ffv1.avi
799d3db687f6cdd7a837ec156efc171f *./tests/data/out.yuv
stddev: 0.00 PSNR:99.99 bytes:7602176
3b419d4e700466fed31bdbdb7fd032ea *./tests/data/a-snow.avi
156682 ./tests/data/a-snow.avi
2ef414dd800dcb05f032f9b0dfb4f483 *./tests/data/a-snow.avi
156716 ./tests/data/a-snow.avi
3de2b39f90fd8331f27e627e68e076f7 *./tests/data/out.yuv
stddev: 23.15 PSNR:20.83 bytes:7602176
336d769a694cf92e21962879fea05331 *./tests/data/a-snow53.avi
3520654 ./tests/data/a-snow53.avi
5ad99548fc64ce3c83c55a37ed8f8a19 *./tests/data/a-snow53.avi
3520688 ./tests/data/a-snow53.avi
799d3db687f6cdd7a837ec156efc171f *./tests/data/out.yuv
stddev: 0.00 PSNR:99.99 bytes:7602176
c299f64c3e85b928c5bfe71629cee006 *./tests/data/a-dv.dv

8
tests/rotozoom.regression.ref
Unescape View File

@ -141,12 +141,12 @@ d72b0960e162d4998b9acbabb07e99ab *./tests/data/a-ffv1.avi
3525804 ./tests/data/a-ffv1.avi
dde5895817ad9d219f79a52d0bdfb001 *./tests/data/out.yuv
stddev: 0.00 PSNR:99.99 bytes:7602176
7e658570df22365c9dbbaa2038468f3c *./tests/data/a-snow.avi
69026 ./tests/data/a-snow.avi
17de0c60b01a13c93aa114cfeebc10eb *./tests/data/a-snow.avi
69060 ./tests/data/a-snow.avi
63ea1d2fe1693be57d3ab7d351af7c55 *./tests/data/out.yuv
stddev: 10.87 PSNR:27.39 bytes:7602176
d33395ea1de6b801142be556d7699263 *./tests/data/a-snow53.avi
2721708 ./tests/data/a-snow53.avi
6139224013581f63c4dd1713ed4286db *./tests/data/a-snow53.avi
2721752 ./tests/data/a-snow53.avi
dde5895817ad9d219f79a52d0bdfb001 *./tests/data/out.yuv
stddev: 0.00 PSNR:99.99 bytes:7602176
54cdeaee32d1007666a1e487e739daf6 *./tests/data/a-dv.dv

56
tests/seek.regression.ref
Unescape View File

@ -2050,47 +2050,47 @@ ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:5660 size:2987 flags:1
ret: 0 st:-1 ts:-1.000000 flags:0
ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:5660 size:2987 flags:1
ret: 0 st:-1 ts:1.894167 flags:1
ret: 0 st: 0 dts:1.440000 pts:1.440000 pos:46978 size:3663 flags:1
ret: 0 st: 0 dts:1.440000 pts:1.440000 pos:47000 size:3663 flags:1
ret: 0 st: 0 ts:0.800000 flags:0
ret: 0 st: 0 dts:0.960000 pts:0.960000 pos:31750 size:3478 flags:1
ret: 0 st: 0 dts:0.960000 pts:0.960000 pos:31766 size:3478 flags:1
ret:-1 st: 0 ts:-0.320000 flags:1
ret:-1 st:-1 ts:2.576668 flags:0
ret: 0 st:-1 ts:1.470835 flags:1
ret: 0 st: 0 dts:1.440000 pts:1.440000 pos:46978 size:3663 flags:1
ret: 0 st: 0 dts:1.440000 pts:1.440000 pos:47000 size:3663 flags:1
ret: 0 st: 0 ts:0.360000 flags:0
ret: 0 st: 0 dts:0.480000 pts:0.480000 pos:18006 size:3229 flags:1
ret: 0 st: 0 dts:0.480000 pts:0.480000 pos:18016 size:3229 flags:1
ret:-1 st: 0 ts:-0.760000 flags:1
ret:-1 st:-1 ts:2.153336 flags:0
ret: 0 st:-1 ts:1.047503 flags:1
ret: 0 st: 0 dts:0.960000 pts:0.960000 pos:31750 size:3478 flags:1
ret: 0 st: 0 dts:0.960000 pts:0.960000 pos:31766 size:3478 flags:1
ret: 0 st: 0 ts:-0.040000 flags:0
ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:5660 size:2987 flags:1
ret: 0 st: 0 ts:2.840000 flags:1
ret: 0 st: 0 dts:1.920000 pts:1.920000 pos:63506 size:3635 flags:1
ret: 0 st: 0 dts:1.920000 pts:1.920000 pos:63536 size:3635 flags:1
ret: 0 st:-1 ts:1.730004 flags:0
ret: 0 st: 0 dts:1.920000 pts:1.920000 pos:63506 size:3635 flags:1
ret: 0 st: 0 dts:1.920000 pts:1.920000 pos:63536 size:3635 flags:1
ret: 0 st:-1 ts:0.624171 flags:1
ret: 0 st: 0 dts:0.480000 pts:0.480000 pos:18006 size:3229 flags:1
ret: 0 st: 0 dts:0.480000 pts:0.480000 pos:18016 size:3229 flags:1
ret: 0 st: 0 ts:-0.480000 flags:0
ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:5660 size:2987 flags:1
ret: 0 st: 0 ts:2.400000 flags:1
ret: 0 st: 0 dts:1.920000 pts:1.920000 pos:63506 size:3635 flags:1
ret: 0 st: 0 dts:1.920000 pts:1.920000 pos:63536 size:3635 flags:1
ret: 0 st:-1 ts:1.306672 flags:0
ret: 0 st: 0 dts:1.440000 pts:1.440000 pos:46978 size:3663 flags:1
ret: 0 st: 0 dts:1.440000 pts:1.440000 pos:47000 size:3663 flags:1
ret: 0 st:-1 ts:0.200839 flags:1
ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:5660 size:2987 flags:1
ret: 0 st: 0 ts:-0.920000 flags:0
ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:5660 size:2987 flags:1
ret: 0 st: 0 ts:2.000000 flags:1
ret: 0 st: 0 dts:1.920000 pts:1.920000 pos:63506 size:3635 flags:1
ret: 0 st: 0 dts:1.920000 pts:1.920000 pos:63536 size:3635 flags:1
ret: 0 st:-1 ts:0.883340 flags:0
ret: 0 st: 0 dts:0.960000 pts:0.960000 pos:31750 size:3478 flags:1
ret: 0 st: 0 dts:0.960000 pts:0.960000 pos:31766 size:3478 flags:1
ret:-1 st:-1 ts:-0.222493 flags:1
ret:-1 st: 0 ts:2.680000 flags:0
ret: 0 st: 0 ts:1.560000 flags:1
ret: 0 st: 0 dts:1.440000 pts:1.440000 pos:46978 size:3663 flags:1
ret: 0 st: 0 dts:1.440000 pts:1.440000 pos:47000 size:3663 flags:1
ret: 0 st:-1 ts:0.460008 flags:0
ret: 0 st: 0 dts:0.480000 pts:0.480000 pos:18006 size:3229 flags:1
ret: 0 st: 0 dts:0.480000 pts:0.480000 pos:18016 size:3229 flags:1
ret:-1 st:-1 ts:-0.645825 flags:1
----------------
tests/data/a-snow53.avi
@ -2098,47 +2098,47 @@ ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:5660 size:72476 flags:1
ret: 0 st:-1 ts:-1.000000 flags:0
ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:5660 size:72476 flags:1
ret: 0 st:-1 ts:1.894167 flags:1
ret: 0 st: 0 dts:1.440000 pts:1.440000 pos:1902764 size:78837 flags:1
ret: 0 st: 0 dts:1.440000 pts:1.440000 pos:1902794 size:78837 flags:1
ret: 0 st: 0 ts:0.800000 flags:0
ret: 0 st: 0 dts:0.960000 pts:0.960000 pos:1239078 size:74994 flags:1
ret: 0 st: 0 dts:0.960000 pts:0.960000 pos:1239098 size:74994 flags:1
ret:-1 st: 0 ts:-0.320000 flags:1
ret:-1 st:-1 ts:2.576668 flags:0
ret: 0 st:-1 ts:1.470835 flags:1
ret: 0 st: 0 dts:1.440000 pts:1.440000 pos:1902764 size:78837 flags:1
ret: 0 st: 0 dts:1.440000 pts:1.440000 pos:1902794 size:78837 flags:1
ret: 0 st: 0 ts:0.360000 flags:0
ret: 0 st: 0 dts:0.480000 pts:0.480000 pos:605628 size:71059 flags:1
ret: 0 st: 0 dts:0.480000 pts:0.480000 pos:605638 size:71059 flags:1
ret:-1 st: 0 ts:-0.760000 flags:1
ret:-1 st:-1 ts:2.153336 flags:0
ret: 0 st:-1 ts:1.047503 flags:1
ret: 0 st: 0 dts:0.960000 pts:0.960000 pos:1239078 size:74994 flags:1
ret: 0 st: 0 dts:0.960000 pts:0.960000 pos:1239098 size:74994 flags:1
ret: 0 st: 0 ts:-0.040000 flags:0
ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:5660 size:72476 flags:1
ret: 0 st: 0 ts:2.840000 flags:1
ret: 0 st: 0 dts:1.920000 pts:1.920000 pos:2585580 size:79731 flags:1
ret: 0 st: 0 dts:1.920000 pts:1.920000 pos:2585620 size:79731 flags:1
ret: 0 st:-1 ts:1.730004 flags:0
ret: 0 st: 0 dts:1.920000 pts:1.920000 pos:2585580 size:79731 flags:1
ret: 0 st: 0 dts:1.920000 pts:1.920000 pos:2585620 size:79731 flags:1
ret: 0 st:-1 ts:0.624171 flags:1
ret: 0 st: 0 dts:0.480000 pts:0.480000 pos:605628 size:71059 flags:1
ret: 0 st: 0 dts:0.480000 pts:0.480000 pos:605638 size:71059 flags:1
ret: 0 st: 0 ts:-0.480000 flags:0
ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:5660 size:72476 flags:1
ret: 0 st: 0 ts:2.400000 flags:1
ret: 0 st: 0 dts:1.920000 pts:1.920000 pos:2585580 size:79731 flags:1
ret: 0 st: 0 dts:1.920000 pts:1.920000 pos:2585620 size:79731 flags:1
ret: 0 st:-1 ts:1.306672 flags:0
ret: 0 st: 0 dts:1.440000 pts:1.440000 pos:1902764 size:78837 flags:1
ret: 0 st: 0 dts:1.440000 pts:1.440000 pos:1902794 size:78837 flags:1
ret: 0 st:-1 ts:0.200839 flags:1
ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:5660 size:72476 flags:1
ret: 0 st: 0 ts:-0.920000 flags:0
ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:5660 size:72476 flags:1
ret: 0 st: 0 ts:2.000000 flags:1
ret: 0 st: 0 dts:1.920000 pts:1.920000 pos:2585580 size:79731 flags:1
ret: 0 st: 0 dts:1.920000 pts:1.920000 pos:2585620 size:79731 flags:1
ret: 0 st:-1 ts:0.883340 flags:0
ret: 0 st: 0 dts:0.960000 pts:0.960000 pos:1239078 size:74994 flags:1
ret: 0 st: 0 dts:0.960000 pts:0.960000 pos:1239098 size:74994 flags:1
ret:-1 st:-1 ts:-0.222493 flags:1
ret:-1 st: 0 ts:2.680000 flags:0
ret: 0 st: 0 ts:1.560000 flags:1
ret: 0 st: 0 dts:1.440000 pts:1.440000 pos:1902764 size:78837 flags:1
ret: 0 st: 0 dts:1.440000 pts:1.440000 pos:1902794 size:78837 flags:1
ret: 0 st:-1 ts:0.460008 flags:0
ret: 0 st: 0 dts:0.480000 pts:0.480000 pos:605628 size:71059 flags:1
ret: 0 st: 0 dts:0.480000 pts:0.480000 pos:605638 size:71059 flags:1
ret:-1 st:-1 ts:-0.645825 flags:1
----------------
tests/data/a-svq1.mov

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