Commit 8d02833a authored by Marco Paniconi's avatar Marco Paniconi

Updates to vp8_scalable_patterns.c.

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

Change-Id: Idaa75cfc4a26e5b6321f273ef9450b5c85368a4d
parent c6fd0a5d
......@@ -114,7 +114,7 @@ static void write_ivf_frame_header(FILE *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) {
FILE *infile, *outfile[VPX_TS_MAX_LAYERS];
......@@ -150,8 +150,8 @@ int main(int argc, char **argv) {
if (!sscanf(argv[7], "%d", &layering_mode))
die ("Invalid mode %s", argv[7]);
if (layering_mode<0 || layering_mode>8)
die ("Invalid mode (0..8) %s", argv[7]);
if (layering_mode<0 || layering_mode>11)
die ("Invalid mode (0..11) %s", argv[7]);
if (argc != 8+mode_to_num_layers[layering_mode])
die ("Invalid number of arguments");
......@@ -186,7 +186,7 @@ int main(int argc, char **argv) {
cfg.rc_dropframe_thresh = 0;
cfg.rc_end_usage = VPX_CBR;
cfg.rc_resize_allowed = 0;
cfg.rc_min_quantizer = 8;
cfg.rc_min_quantizer = 2;
cfg.rc_max_quantizer = 56;
cfg.rc_undershoot_pct = 100;
cfg.rc_overshoot_pct = 15;
......@@ -200,7 +200,10 @@ int main(int argc, char **argv) {
cfg.kf_mode = VPX_KF_DISABLED;
/* 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: */
/* NOTE: The 3 prediction frames cannot be used interchangeably due to
......@@ -210,8 +213,24 @@ int main(int argc, char **argv) {
*/
switch (layering_mode)
{
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 */
int ids[2] = {0,1};
......@@ -240,7 +259,7 @@ int main(int argc, char **argv) {
break;
}
case 1:
case 2:
{
/* 2-layers, 3-frame period */
int ids[3] = {0,1,1};
......@@ -263,7 +282,7 @@ int main(int argc, char **argv) {
break;
}
case 2:
case 3:
{
/* 3-layers, 6-frame period */
int ids[6] = {0,2,2,1,2,2};
......@@ -289,7 +308,7 @@ int main(int argc, char **argv) {
break;
}
case 3:
case 4:
{
/* 3-layers, 4-frame period */
int ids[4] = {0,2,1,2};
......@@ -316,7 +335,7 @@ int main(int argc, char **argv) {
break;
}
case 4:
case 5:
{
/* 3-layers, 4-frame period */
int ids[4] = {0,2,1,2};
......@@ -344,7 +363,7 @@ int main(int argc, char **argv) {
break;
}
case 5:
case 6:
{
/* 3-layers, 4-frame period */
int ids[4] = {0,2,1,2};
......@@ -368,7 +387,7 @@ int main(int argc, char **argv) {
break;
}
case 6:
case 7:
{
/* NOTE: Probably of academic interest only */
......@@ -407,7 +426,7 @@ int main(int argc, char **argv) {
break;
}
case 7:
case 8:
{
/* 2-layers */
int ids[2] = {0,1};
......@@ -439,10 +458,11 @@ int main(int argc, char **argv) {
break;
}
case 8:
default:
case 9:
{
/* 3-layers */
// 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;
......@@ -472,6 +492,102 @@ int main(int argc, char **argv) {
VP8_EFLAG_NO_UPD_ENTROPY;
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 */
......@@ -494,8 +610,9 @@ int main(int argc, char **argv) {
/* Cap CPU & first I-frame size */
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_TOKEN_PARTITIONS, 1);
max_intra_size_pct = (int) (((double)cfg.rc_buf_optimal_sz * 0.5)
* ((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");
/* Reset KF flag */
if (layering_mode != 6)
if (layering_mode != 7)
layer_flags[0] &= ~VPX_EFLAG_FORCE_KF;
got_data = 0;
......@@ -538,14 +655,10 @@ int main(int argc, char **argv) {
default:
break;
}
printf (pkt->kind == VPX_CODEC_CX_FRAME_PKT
&& (pkt->data.frame.flags & VPX_FRAME_IS_KEY)? "K":".");
fflush (stdout);
}
frame_cnt++;
pts += frame_duration;
}
printf ("\n");
fclose (infile);
printf ("Processed %d frames.\n",frame_cnt-1);
......
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