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Initial 1-pass.

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Change-Id: I58c5436f5c95f6012fb2891cd2a02f76e4870b6a
This commit is contained in:
Marco Paniconi 2013-10-02 17:13:59 -07:00
parent e55f60240a
commit e078c3d854
3 changed files with 83 additions and 4 deletions
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56
test/datarate_test.cc
View File

@ -176,6 +176,60 @@ TEST_P(DatarateTest, ChangingDropFrameThresh) {
}
}
VP8_INSTANTIATE_TEST_CASE(DatarateTest, ALL_TEST_MODES);
class DatarateTestVP9 : public DatarateTest {
protected:
virtual ~DatarateTestVP9() {}
virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
::libvpx_test::Encoder *encoder) {
if (video->frame() == 1) {
encoder->Control(VP8E_SET_CPUUSED, 2);
}
const vpx_rational_t tb = video->timebase();
timebase_ = static_cast<double>(tb.num) / tb.den;
duration_ = 0;
}
virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
const int frame_size_in_bits = pkt->data.frame.sz * 8;
bits_total_ += frame_size_in_bits;
// Update the most recent pts.
last_pts_ = pkt->data.frame.pts;
++frame_number_;
}
virtual void EndPassHook(void) {
if (bits_total_) {
duration_ = (last_pts_ + 1) * timebase_;
// Effective file datarate:
effective_datarate_ = ((bits_total_) / 1000.0) / duration_;
}
}
};
// There is no buffer model/frame dropper in VP9 currently, so for now we
// have separate test for VP9 rate targeting for 1-pass CBR. We only check
// that effective datarate is within some range of target bitrate.
// No frame dropper, so we can't go to low bitrates.
TEST_P(DatarateTestVP9, BasicRateTargeting) {
cfg_.rc_min_quantizer = 0;
cfg_.rc_max_quantizer = 63;
cfg_.rc_end_usage = VPX_CBR;
::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
30, 1, 0, 140);
for (int i = 200; i < 800; i += 200) {
cfg_.rc_target_bitrate = i;
ResetModel();
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.8)
<< " The datarate for the file exceeds the target by too much!";
ASSERT_LE(cfg_.rc_target_bitrate, effective_datarate_ * 1.3)
<< " The datarate for the file missed the target!";
}
}
VP8_INSTANTIATE_TEST_CASE(DatarateTest, ALL_TEST_MODES);
VP9_INSTANTIATE_TEST_CASE(DatarateTestVP9,
::testing::Values(::libvpx_test::kOnePassGood));
} // namespace

27
vp9/encoder/vp9_onyx_if.c
View File

@ -951,6 +951,12 @@ void vp9_set_speed_features(VP9_COMP *cpi) {
sf->optimize_coefficients = 0;
}
// No recode for 1 pass.
if (cpi->pass == 0) {
sf->recode_loop = 0;
sf->optimize_coefficients = 0;
}
cpi->mb.fwd_txm16x16 = vp9_short_fdct16x16;
cpi->mb.fwd_txm8x8 = vp9_short_fdct8x8;
cpi->mb.fwd_txm4x4 = vp9_short_fdct4x4;
@ -1215,6 +1221,12 @@ void vp9_change_config(VP9_PTR ptr, VP9_CONFIG *oxcf) {
switch (cpi->oxcf.Mode) {
// Real time and one pass deprecated in test code base
case MODE_GOODQUALITY:
cpi->pass = 0;
cpi->compressor_speed = 2;
cpi->oxcf.cpu_used = clamp(cpi->oxcf.cpu_used, -5, 5);
break;
case MODE_FIRSTPASS:
cpi->pass = 1;
cpi->compressor_speed = 1;
@ -2736,6 +2748,10 @@ static int pick_q_and_adjust_q_bounds(VP9_COMP *cpi,
#endif
#else
cpi->active_best_quality = inter_minq[q];
// 1-pass: for now, use the average Q for the active_best, if its lower
// than active_worst.
if (cpi->pass == 0 && (cpi->avg_frame_qindex < cpi->active_worst_quality))
cpi->active_best_quality = inter_minq[cpi->avg_frame_qindex];
#endif
// For the constrained quality mode we don't want
@ -2784,8 +2800,15 @@ static int pick_q_and_adjust_q_bounds(VP9_COMP *cpi,
} else if ((cm->frame_type == KEY_FRAME) && cpi->this_key_frame_forced) {
q = cpi->last_boosted_qindex;
} else {
// Determine initial Q to try
q = vp9_regulate_q(cpi, cpi->this_frame_target);
// Determine initial Q to try.
if (cpi->pass == 0) {
// 1-pass: for now, use per-frame-bw for target size of frame, scaled
// by |x| for key frame.
int scale = (cm->frame_type == KEY_FRAME) ? 5 : 1;
q = vp9_regulate_q(cpi, scale * cpi->av_per_frame_bandwidth);
} else {
q = vp9_regulate_q(cpi, cpi->this_frame_target);
}
if (q > *top_index)
q = *top_index;
}

4
vp9/vp9_cx_iface.c
View File

@ -256,7 +256,7 @@ static vpx_codec_err_t set_vp9e_config(VP9_CONFIG *oxcf,
switch (cfg.g_pass) {
case VPX_RC_ONE_PASS:
oxcf->Mode = MODE_BESTQUALITY;
oxcf->Mode = MODE_GOODQUALITY;
break;
case VPX_RC_FIRST_PASS:
oxcf->Mode = MODE_FIRSTPASS;
@ -282,6 +282,8 @@ static vpx_codec_err_t set_vp9e_config(VP9_CONFIG *oxcf,
oxcf->end_usage = USAGE_CONSTRAINED_QUALITY;
else if (cfg.rc_end_usage == VPX_Q)
oxcf->end_usage = USAGE_CONSTANT_QUALITY;
else if (cfg.rc_end_usage == VPX_CBR)
oxcf->end_usage = USAGE_STREAM_FROM_SERVER;
oxcf->target_bandwidth = cfg.rc_target_bitrate;
oxcf->rc_max_intra_bitrate_pct = vp8_cfg.rc_max_intra_bitrate_pct;