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Updates to vp8_scalable_patterns.c.

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Updated/added a few cases of temporal patterns,
and some changes to the encoder settings.

Change-Id: Idaa75cfc4a26e5b6321f273ef9450b5c85368a4d
This commit is contained in:
Marco Paniconi 2012-09-11 13:15:51 -07:00
parent c6fd0a5dd6
commit 8d02833a61
1 changed files with 134 additions and 21 deletions
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155
vp8_scalable_patterns.c
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@ -114,7 +114,7 @@ static void write_ivf_frame_header(FILE *outfile,
(void) fwrite(header, 1, 12, outfile); (void) fwrite(header, 1, 12, outfile);
} }
static int mode_to_num_layers[9] = {2, 2, 3, 3, 3, 3, 5, 2, 3}; static int mode_to_num_layers[12] = {1, 2, 2, 3, 3, 3, 3, 5, 2, 3, 3, 3};
int main(int argc, char **argv) { int main(int argc, char **argv) {
FILE *infile, *outfile[VPX_TS_MAX_LAYERS]; FILE *infile, *outfile[VPX_TS_MAX_LAYERS];
@ -150,8 +150,8 @@ int main(int argc, char **argv) {
if (!sscanf(argv[7], "%d", &layering_mode)) if (!sscanf(argv[7], "%d", &layering_mode))
die ("Invalid mode %s", argv[7]); die ("Invalid mode %s", argv[7]);
if (layering_mode<0 || layering_mode>8) if (layering_mode<0 || layering_mode>11)
die ("Invalid mode (0..8) %s", argv[7]); die ("Invalid mode (0..11) %s", argv[7]);
if (argc != 8+mode_to_num_layers[layering_mode]) if (argc != 8+mode_to_num_layers[layering_mode])
die ("Invalid number of arguments"); die ("Invalid number of arguments");
@ -186,7 +186,7 @@ int main(int argc, char **argv) {
cfg.rc_dropframe_thresh = 0; cfg.rc_dropframe_thresh = 0;
cfg.rc_end_usage = VPX_CBR; cfg.rc_end_usage = VPX_CBR;
cfg.rc_resize_allowed = 0; cfg.rc_resize_allowed = 0;
cfg.rc_min_quantizer = 8; cfg.rc_min_quantizer = 2;
cfg.rc_max_quantizer = 56; cfg.rc_max_quantizer = 56;
cfg.rc_undershoot_pct = 100; cfg.rc_undershoot_pct = 100;
cfg.rc_overshoot_pct = 15; cfg.rc_overshoot_pct = 15;
@ -200,7 +200,10 @@ int main(int argc, char **argv) {
cfg.kf_mode = VPX_KF_DISABLED; cfg.kf_mode = VPX_KF_DISABLED;
/* Disable automatic keyframe placement */ /* Disable automatic keyframe placement */
cfg.kf_min_dist = cfg.kf_max_dist = 1000; cfg.kf_min_dist = cfg.kf_max_dist = 3000;
/* Default setting for bitrate: used in special case of 1 layer (case 0). */
cfg.rc_target_bitrate = cfg.ts_target_bitrate[0];
/* Temporal scaling parameters: */ /* Temporal scaling parameters: */
/* NOTE: The 3 prediction frames cannot be used interchangeably due to /* NOTE: The 3 prediction frames cannot be used interchangeably due to
@ -210,8 +213,24 @@ int main(int argc, char **argv) {
*/ */
switch (layering_mode) switch (layering_mode)
{ {
case 0: case 0:
{
/* 1-layer */
int ids[1] = {0};
cfg.ts_number_layers = 1;
cfg.ts_periodicity = 1;
cfg.ts_rate_decimator[0] = 1;
memcpy(cfg.ts_layer_id, ids, sizeof(ids));
flag_periodicity = cfg.ts_periodicity;
// Predict from L only.
layer_flags[0] = VPX_EFLAG_FORCE_KF |
VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF |
VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF;
break;
}
case 1:
{ {
/* 2-layers, 2-frame period */ /* 2-layers, 2-frame period */
int ids[2] = {0,1}; int ids[2] = {0,1};
@ -240,7 +259,7 @@ int main(int argc, char **argv) {
break; break;
} }
case 1: case 2:
{ {
/* 2-layers, 3-frame period */ /* 2-layers, 3-frame period */
int ids[3] = {0,1,1}; int ids[3] = {0,1,1};
@ -263,7 +282,7 @@ int main(int argc, char **argv) {
break; break;
} }
case 2: case 3:
{ {
/* 3-layers, 6-frame period */ /* 3-layers, 6-frame period */
int ids[6] = {0,2,2,1,2,2}; int ids[6] = {0,2,2,1,2,2};
@ -289,7 +308,7 @@ int main(int argc, char **argv) {
break; break;
} }
case 3: case 4:
{ {
/* 3-layers, 4-frame period */ /* 3-layers, 4-frame period */
int ids[4] = {0,2,1,2}; int ids[4] = {0,2,1,2};
@ -316,7 +335,7 @@ int main(int argc, char **argv) {
break; break;
} }
case 4: case 5:
{ {
/* 3-layers, 4-frame period */ /* 3-layers, 4-frame period */
int ids[4] = {0,2,1,2}; int ids[4] = {0,2,1,2};
@ -344,7 +363,7 @@ int main(int argc, char **argv) {
break; break;
} }
case 5: case 6:
{ {
/* 3-layers, 4-frame period */ /* 3-layers, 4-frame period */
int ids[4] = {0,2,1,2}; int ids[4] = {0,2,1,2};
@ -368,7 +387,7 @@ int main(int argc, char **argv) {
break; break;
} }
case 6: case 7:
{ {
/* NOTE: Probably of academic interest only */ /* NOTE: Probably of academic interest only */
@ -407,7 +426,7 @@ int main(int argc, char **argv) {
break; break;
} }
case 7: case 8:
{ {
/* 2-layers */ /* 2-layers */
int ids[2] = {0,1}; int ids[2] = {0,1};
@ -439,10 +458,11 @@ int main(int argc, char **argv) {
break; break;
} }
case 8: case 9:
default:
{ {
/* 3-layers */ /* 3-layers */
// Sync points for layer 1 and 2 every 8 frames.
int ids[4] = {0,2,1,2}; int ids[4] = {0,2,1,2};
cfg.ts_number_layers = 3; cfg.ts_number_layers = 3;
cfg.ts_periodicity = 4; cfg.ts_periodicity = 4;
@ -472,6 +492,102 @@ int main(int argc, char **argv) {
VP8_EFLAG_NO_UPD_ENTROPY; VP8_EFLAG_NO_UPD_ENTROPY;
break; break;
} }
case 10:
{
// 3-layers structure where ARF is used as predictor for all frames,
// and is only updated on key frame.
// Sync points for layer 1 and 2 every 8 frames.
int ids[4] = {0,2,1,2};
cfg.ts_number_layers = 3;
cfg.ts_periodicity = 4;
cfg.ts_rate_decimator[0] = 4;
cfg.ts_rate_decimator[1] = 2;
cfg.ts_rate_decimator[2] = 1;
memcpy(cfg.ts_layer_id, ids, sizeof(ids));
flag_periodicity = 8;
/* 0=L, 1=GF, 2=ARF */
// Layer 0: predict from L and ARF; update L and G.
layer_flags[0] = VPX_EFLAG_FORCE_KF |
VP8_EFLAG_NO_UPD_ARF |
VP8_EFLAG_NO_REF_GF;
// Layer 2: sync point: predict from L and ARF; update none.
layer_flags[1] = VP8_EFLAG_NO_REF_GF |
VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF |
VP8_EFLAG_NO_UPD_LAST |
VP8_EFLAG_NO_UPD_ENTROPY;
// Layer 1: sync point: predict from L and ARF; update G.
layer_flags[2] = VP8_EFLAG_NO_REF_GF |
VP8_EFLAG_NO_UPD_ARF |
VP8_EFLAG_NO_UPD_LAST;
// Layer 2: predict from L, G, ARF; update none.
layer_flags[3] = VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF |
VP8_EFLAG_NO_UPD_LAST |
VP8_EFLAG_NO_UPD_ENTROPY;
// Layer 0: predict from L and ARF; update L.
layer_flags[4] = VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF |
VP8_EFLAG_NO_REF_GF;
// Layer 2: predict from L, G, ARF; update none.
layer_flags[5] = layer_flags[3];
// Layer 1: predict from L, G, ARF; update G.
layer_flags[6] = VP8_EFLAG_NO_UPD_ARF |
VP8_EFLAG_NO_UPD_LAST;
// Layer 2: predict from L, G, ARF; update none.
layer_flags[7] = layer_flags[3];
break;
}
case 11:
default:
{
// 3-layers structure as in case 10, but no sync/refresh points for
// layer 1 and 2.
int ids[4] = {0,2,1,2};
cfg.ts_number_layers = 3;
cfg.ts_periodicity = 4;
cfg.ts_rate_decimator[0] = 4;
cfg.ts_rate_decimator[1] = 2;
cfg.ts_rate_decimator[2] = 1;
memcpy(cfg.ts_layer_id, ids, sizeof(ids));
flag_periodicity = 8;
/* 0=L, 1=GF, 2=ARF */
// Layer 0: predict from L and ARF; update L.
layer_flags[0] = VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF |
VP8_EFLAG_NO_REF_GF;
layer_flags[4] = layer_flags[0];
// Layer 1: predict from L, G, ARF; update G.
layer_flags[2] = VP8_EFLAG_NO_UPD_ARF |
VP8_EFLAG_NO_UPD_LAST;
layer_flags[6] = layer_flags[2];
// Layer 2: predict from L, G, ARF; update none.
layer_flags[1] = VP8_EFLAG_NO_UPD_GF |
VP8_EFLAG_NO_UPD_ARF |
VP8_EFLAG_NO_UPD_LAST |
VP8_EFLAG_NO_UPD_ENTROPY;
layer_flags[3] = layer_flags[1];
layer_flags[5] = layer_flags[1];
layer_flags[7] = layer_flags[1];
break;
}
} }
/* Open input file */ /* Open input file */
@ -494,8 +610,9 @@ int main(int argc, char **argv) {
/* Cap CPU & first I-frame size */ /* Cap CPU & first I-frame size */
vpx_codec_control (&codec, VP8E_SET_CPUUSED, -6); vpx_codec_control (&codec, VP8E_SET_CPUUSED, -6);
vpx_codec_control (&codec, VP8E_SET_STATIC_THRESHOLD, 800); vpx_codec_control (&codec, VP8E_SET_STATIC_THRESHOLD, 1);
vpx_codec_control (&codec, VP8E_SET_NOISE_SENSITIVITY, 1); vpx_codec_control (&codec, VP8E_SET_NOISE_SENSITIVITY, 1);
vpx_codec_control(&codec, VP8E_SET_TOKEN_PARTITIONS, 1);
max_intra_size_pct = (int) (((double)cfg.rc_buf_optimal_sz * 0.5) max_intra_size_pct = (int) (((double)cfg.rc_buf_optimal_sz * 0.5)
* ((double) cfg.g_timebase.den / cfg.g_timebase.num) * ((double) cfg.g_timebase.den / cfg.g_timebase.num)
@ -518,7 +635,7 @@ int main(int argc, char **argv) {
die_codec(&codec, "Failed to encode frame"); die_codec(&codec, "Failed to encode frame");
/* Reset KF flag */ /* Reset KF flag */
if (layering_mode != 6) if (layering_mode != 7)
layer_flags[0] &= ~VPX_EFLAG_FORCE_KF; layer_flags[0] &= ~VPX_EFLAG_FORCE_KF;
got_data = 0; got_data = 0;
@ -538,14 +655,10 @@ int main(int argc, char **argv) {
default: default:
break; break;
} }
printf (pkt->kind == VPX_CODEC_CX_FRAME_PKT
&& (pkt->data.frame.flags & VPX_FRAME_IS_KEY)? "K":".");
fflush (stdout);
} }
frame_cnt++; frame_cnt++;
pts += frame_duration; pts += frame_duration;
} }
printf ("\n");
fclose (infile); fclose (infile);
printf ("Processed %d frames.\n",frame_cnt-1); printf ("Processed %d frames.\n",frame_cnt-1);