ref: 5437474c54a8ec24b724ca299998bf6725144913
parent: f7c17b89f0b5d2312d92932cf9b4bb4e92b57eb6
parent: 7ec838edc4d58142e931f383ae29ce421491b508
author: Marco Paniconi <marpan@google.com>
date: Mon Feb 3 07:28:47 EST 2014
Merge "Revert "Layer based rate control for CBR mode.""
--- a/examples.mk
+++ b/examples.mk
@@ -64,11 +64,6 @@
vp9_spatial_scalable_encoder.SRCS += tools_common.c tools_common.h
vp9_spatial_scalable_encoder.GUID = 4A38598D-627D-4505-9C7B-D4020C84100D
vp9_spatial_scalable_encoder.DESCRIPTION = Spatial Scalable Encoder
-UTILS-$(CONFIG_ENCODERS) += vpx_temporal_scalable_patterns.c
-vpx_temporal_scalable_patterns.SRCS += ivfenc.c ivfenc.h
-vpx_temporal_scalable_patterns.SRCS += tools_common.c tools_common.h
-vpx_temporal_scalable_patterns.GUID = B18C08F2-A439-4502-A78E-849BE3D60947
-vpx_temporal_scalable_patterns.DESCRIPTION = Temporal Scalability Encoder
ifeq ($(CONFIG_SHARED),no)
UTILS-$(CONFIG_VP9_ENCODER) += resize_util.c
--- a/test/datarate_test.cc
+++ b/test/datarate_test.cc
@@ -200,102 +200,21 @@
frame_number_ = 0;
first_drop_ = 0;
num_drops_ = 0;
- // For testing up to 3 layers.
- for (int i = 0; i < 3; ++i) {- bits_total_[i] = 0;
- }
+ bits_total_ = 0;
+ duration_ = 0.0;
}
- //
- // Frame flags and layer id for temporal layers.
- //
-
- // For two layers, test pattern is:
- // 1 3
- // 0 2 .....
- // For three layers, test pattern is:
- // 1 3 5 7
- // 2 6
- // 0 4 ....
- // LAST is always update on base/layer 0, GOLDEN is updated on layer 1.
- // For this 3 layer example, the 2rd enhancement layer (layer 2) does not
- // update any reference frames.
- int SetFrameFlags(int frame_num, int num_temp_layers) {- int frame_flags = 0;
- if (num_temp_layers == 2) {- if (frame_num % 2 == 0) {- // Layer 0: predict from L and ARF, update L.
- frame_flags = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_GF |
- VP8_EFLAG_NO_UPD_ARF;
- } else {- // Layer 1: predict from L, G and ARF, and update G.
- frame_flags = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_UPD_ENTROPY;
- }
- } else if (num_temp_layers == 3) {- if (frame_num % 4 == 0) {- // Layer 0: predict from L and ARF; update L.
- frame_flags = VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_REF_GF;
- } else if ((frame_num - 2) % 4 == 0) {- // Layer 1: predict from L, G, ARF; update G.
- frame_flags = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST;
- } else if ((frame_num - 1) % 2 == 0) {- // Layer 2: predict from L, G, ARF; update none.
- frame_flags = VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_UPD_LAST;
- }
- }
- return frame_flags;
- }
-
- int SetLayerId(int frame_num, int num_temp_layers) {- int layer_id = 0;
- if (num_temp_layers == 2) {- if (frame_num % 2 == 0) {- layer_id = 0;
- } else {- layer_id = 1;
- }
- } else if (num_temp_layers == 3) {- if (frame_num % 4 == 0) {- layer_id = 0;
- } else if ((frame_num - 2) % 4 == 0) {- layer_id = 1;
- } else if ((frame_num - 1) % 2 == 0) {- layer_id = 2;
- }
- }
- return layer_id;
- }
-
virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
- ::libvpx_test::Encoder *encoder) {+ ::libvpx_test::Encoder *encoder) { if (video->frame() == 1) {encoder->Control(VP8E_SET_CPUUSED, set_cpu_used_);
}
- if (cfg_.ts_number_layers > 1) {- if (video->frame() == 1) {- encoder->Control(VP9E_SET_SVC, 1);
- }
- vpx_svc_layer_id_t layer_id = {0, 0};- layer_id.spatial_layer_id = 0;
- frame_flags_ = SetFrameFlags(video->frame(), cfg_.ts_number_layers);
- layer_id.temporal_layer_id = SetLayerId(video->frame(),
- cfg_.ts_number_layers);
- if (video->frame() > 0) {- encoder->Control(VP9E_SET_SVC_LAYER_ID, &layer_id);
- }
- }
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) {- int layer = SetLayerId(frame_number_, cfg_.ts_number_layers);
-
// Time since last timestamp = duration.
vpx_codec_pts_t duration = pkt->data.frame.pts - last_pts_;
@@ -308,13 +227,8 @@
<< pkt->data.frame.pts;
const size_t frame_size_in_bits = pkt->data.frame.sz * 8;
+ bits_total_ += frame_size_in_bits;
- // Update the total encoded bits. For temporal layers, update the cumulative
- // encoded bits per layer.
- for (int i = layer; i < static_cast<int>(cfg_.ts_number_layers); ++i) {- bits_total_[i] += frame_size_in_bits;
- }
-
// If first drop not set and we have a drop set it to this time.
if (!first_drop_ && duration > 1)
first_drop_ = last_pts_ + 1;
@@ -330,13 +244,10 @@
}
virtual void EndPassHook(void) {- for (int layer = 0; layer < static_cast<int>(cfg_.ts_number_layers);
- layer++) {+ if (bits_total_) {duration_ = (last_pts_ + 1) * timebase_;
- if (bits_total_[layer]) {- // Effective file datarate:
- effective_datarate_[layer] = (bits_total_[layer] / 1000.0) / duration_;
- }
+ // Effective file datarate:
+ effective_datarate_ = ((bits_total_) / 1000.0) / duration_;
}
}
@@ -343,9 +254,9 @@
vpx_codec_pts_t last_pts_;
double timebase_;
int frame_number_;
- int64_t bits_total_[3];
+ int64_t bits_total_;
double duration_;
- double effective_datarate_[3];
+ double effective_datarate_;
int set_cpu_used_;
int64_t bits_in_buffer_model_;
vpx_codec_pts_t first_drop_;
@@ -361,7 +272,6 @@
cfg_.rc_min_quantizer = 0;
cfg_.rc_max_quantizer = 63;
cfg_.rc_end_usage = VPX_CBR;
- cfg_.g_lag_in_frames = 0;
::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,30, 1, 0, 140);
@@ -369,10 +279,12 @@
cfg_.rc_target_bitrate = i;
ResetModel();
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
- ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)
- << " The datarate for the file is lower than target by too much!";
- ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.15)
- << " The datarate for the file is greater than target by too much!";
+ ASSERT_GE(static_cast<double>(cfg_.rc_target_bitrate),
+ effective_datarate_ * 0.85)
+ << " The datarate for the file exceeds the target by too much!";
+ ASSERT_LE(static_cast<double>(cfg_.rc_target_bitrate),
+ effective_datarate_ * 1.15)
+ << " The datarate for the file missed the target!";
}
}
@@ -397,10 +309,10 @@
ResetModel();
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
ASSERT_GE(static_cast<double>(cfg_.rc_target_bitrate),
- effective_datarate_[0] * 0.85)
+ effective_datarate_ * 0.85)
<< " The datarate for the file exceeds the target by too much!";
ASSERT_LE(static_cast<double>(cfg_.rc_target_bitrate),
- effective_datarate_[0] * 1.15)
+ effective_datarate_ * 1.15)
<< " The datarate for the file missed the target!"
<< cfg_.rc_target_bitrate << " "<< effective_datarate_;
}
@@ -422,7 +334,6 @@
cfg_.rc_max_quantizer = 50;
cfg_.rc_end_usage = VPX_CBR;
cfg_.rc_target_bitrate = 200;
- cfg_.g_lag_in_frames = 0;
::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,30, 1, 0, 140);
@@ -434,10 +345,10 @@
cfg_.rc_dropframe_thresh = i;
ResetModel();
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
- ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)
- << " The datarate for the file is lower than target by too much!";
- ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.15)
- << " The datarate for the file is greater than target by too much!";
+ ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.85)
+ << " The datarate for the file is lower than target by too much!";
+ ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.15)
+ << " The datarate for the file is greater than target by too much!";
ASSERT_LE(first_drop_, last_drop)
<< " The first dropped frame for drop_thresh " << i
<< " > first dropped frame for drop_thresh "
@@ -451,81 +362,6 @@
}
}
-// Check basic rate targeting for 2 temporal layers.
-TEST_P(DatarateTestVP9, BasicRateTargeting2TemporalLayers) {- cfg_.rc_buf_initial_sz = 500;
- cfg_.rc_buf_optimal_sz = 500;
- cfg_.rc_buf_sz = 1000;
- cfg_.rc_dropframe_thresh = 1;
- cfg_.rc_min_quantizer = 0;
- cfg_.rc_max_quantizer = 63;
- cfg_.rc_end_usage = VPX_CBR;
- cfg_.g_lag_in_frames = 0;
-
- // 2 Temporal layers, no spatial layers: Framerate decimation (2, 1).
- cfg_.ss_number_layers = 1;
- cfg_.ts_number_layers = 2;
- cfg_.ts_rate_decimator[0] = 2;
- cfg_.ts_rate_decimator[1] = 1;
-
- ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,- 30, 1, 0, 200);
- for (int i = 200; i <= 800; i += 200) {- cfg_.rc_target_bitrate = i;
- ResetModel();
- // 60-40 bitrate allocation for 2 temporal layers.
- cfg_.ts_target_bitrate[0] = 60 * cfg_.rc_target_bitrate / 100;
- cfg_.ts_target_bitrate[1] = cfg_.rc_target_bitrate;
- ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
- for (int j = 0; j < static_cast<int>(cfg_.ts_number_layers); ++j) {- ASSERT_GE(effective_datarate_[j], cfg_.ts_target_bitrate[j] * 0.85)
- << " The datarate for the file is lower than target by too much, "
- "for layer: " << j;
- ASSERT_LE(effective_datarate_[j], cfg_.ts_target_bitrate[j] * 1.15)
- << " The datarate for the file is greater than target by too much, "
- "for layer: " << j;
- }
- }
-}
-
-// Check basic rate targeting for 3 temporal layers.
-TEST_P(DatarateTestVP9, BasicRateTargeting3TemporalLayers) {- cfg_.rc_buf_initial_sz = 500;
- cfg_.rc_buf_optimal_sz = 500;
- cfg_.rc_buf_sz = 1000;
- cfg_.rc_dropframe_thresh = 1;
- cfg_.rc_min_quantizer = 0;
- cfg_.rc_max_quantizer = 63;
- cfg_.rc_end_usage = VPX_CBR;
- cfg_.g_lag_in_frames = 0;
-
- // 3 Temporal layers, no spatial layers: Framerate decimation (4, 2, 1).
- cfg_.ss_number_layers = 1;
- cfg_.ts_number_layers = 3;
- cfg_.ts_rate_decimator[0] = 4;
- cfg_.ts_rate_decimator[1] = 2;
- cfg_.ts_rate_decimator[2] = 1;
-
- ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,- 30, 1, 0, 200);
- for (int i = 200; i <= 800; i += 200) {- cfg_.rc_target_bitrate = i;
- ResetModel();
- // 40-20-40 bitrate allocation for 3 temporal layers.
- cfg_.ts_target_bitrate[0] = 40 * cfg_.rc_target_bitrate / 100;
- cfg_.ts_target_bitrate[1] = 60 * cfg_.rc_target_bitrate / 100;
- cfg_.ts_target_bitrate[2] = cfg_.rc_target_bitrate;
- ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
- for (int j = 0; j < static_cast<int>(cfg_.ts_number_layers); ++j) {- ASSERT_GE(effective_datarate_[j], cfg_.ts_target_bitrate[j] * 0.85)
- << " The datarate for the file is lower than target by too much, "
- "for layer: " << j;
- ASSERT_LE(effective_datarate_[j], cfg_.ts_target_bitrate[j] * 1.15)
- << " The datarate for the file is greater than target by too much, "
- "for layer: " << j;
- }
- }
-}
VP8_INSTANTIATE_TEST_CASE(DatarateTest, ALL_TEST_MODES);
VP9_INSTANTIATE_TEST_CASE(DatarateTestVP9,
::testing::Values(::libvpx_test::kOnePassGood),
--- a/test/encode_test_driver.h
+++ b/test/encode_test_driver.h
@@ -123,11 +123,6 @@
ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
}
- void Control(int ctrl_id, struct vpx_svc_layer_id *arg) {- const vpx_codec_err_t res = vpx_codec_control_(&encoder_, ctrl_id, arg);
- ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
- }
-
void set_deadline(unsigned long deadline) {deadline_ = deadline;
}
--- a/vp9/common/vp9_onyx.h
+++ b/vp9/common/vp9_onyx.h
@@ -147,12 +147,8 @@
// END DATARATE CONTROL OPTIONS
// ----------------------------------------------------------------
- // Spatial and temporal scalability.
- int ss_number_layers; // Number of spatial layers.
- unsigned int ts_number_layers; // Number of temporal layers.
- // Bitrate allocation (CBR mode) and framerate factor, for temporal layers.
- unsigned int ts_target_bitrate[VPX_TS_MAX_LAYERS];
- unsigned int ts_rate_decimator[VPX_TS_MAX_LAYERS];
+ // Spatial scalability
+ int ss_number_layers;
// these parameters aren't to be used in final build don't use!!!
int play_alternate;
--- a/vp9/encoder/vp9_onyx_if.c
+++ b/vp9/encoder/vp9_onyx_if.c
@@ -1158,107 +1158,6 @@
return (llval * llnum / llden);
}
-// Initialize layer content data from init_config().
-static void init_layer_context(VP9_COMP *const cpi) {- int temporal_layer = 0;
- cpi->svc.spatial_layer_id = 0;
- cpi->svc.temporal_layer_id = 0;
- for (temporal_layer = 0; temporal_layer < cpi->svc.number_temporal_layers;
- ++temporal_layer) {- LAYER_CONTEXT *lc = &cpi->svc.layer_context[temporal_layer];
- lc->rc.active_worst_quality = q_trans[cpi->oxcf.worst_allowed_q];
- lc->rc.avg_frame_qindex[INTER_FRAME] = q_trans[cpi->oxcf.worst_allowed_q];
- lc->rc.last_q[INTER_FRAME] = q_trans[cpi->oxcf.worst_allowed_q];
- lc->rc.ni_av_qi = lc->rc.active_worst_quality;
- lc->rc.total_actual_bits = 0;
- lc->rc.total_target_vs_actual = 0;
- lc->rc.ni_tot_qi = 0;
- lc->rc.tot_q = 0.0;
- lc->rc.ni_frames = 0;
- lc->rc.rate_correction_factor = 1.0;
- lc->rc.key_frame_rate_correction_factor = 1.0;
- lc->target_bandwidth = cpi->oxcf.ts_target_bitrate[temporal_layer] *
- 1000;
- lc->rc.buffer_level = rescale((int)(cpi->oxcf.starting_buffer_level),
- lc->target_bandwidth, 1000);
- lc->rc.bits_off_target = lc->rc.buffer_level;
- }
-}
-
-// Update the layer context from a change_config() call.
-static void update_layer_context_change_config(VP9_COMP *const cpi,
- const int target_bandwidth) {- int temporal_layer = 0;
- float bitrate_alloc = 1.0;
- for (temporal_layer = 0; temporal_layer < cpi->svc.number_temporal_layers;
- ++temporal_layer) {- LAYER_CONTEXT *lc = &cpi->svc.layer_context[temporal_layer];
- lc->target_bandwidth = cpi->oxcf.ts_target_bitrate[temporal_layer] * 1000;
- bitrate_alloc = (float)lc->target_bandwidth / (float)target_bandwidth;
- // Update buffer-related quantities.
- lc->starting_buffer_level = cpi->oxcf.starting_buffer_level * bitrate_alloc;
- lc->optimal_buffer_level = cpi->oxcf.optimal_buffer_level * bitrate_alloc;
- lc->maximum_buffer_size = cpi->oxcf.maximum_buffer_size * bitrate_alloc;
- lc->rc.bits_off_target = MIN(lc->rc.bits_off_target,
- lc->maximum_buffer_size);
- lc->rc.buffer_level = MIN(lc->rc.buffer_level, lc->maximum_buffer_size);
- // Update framerate-related quantities.
- lc->framerate = cpi->oxcf.framerate /
- cpi->oxcf.ts_rate_decimator[temporal_layer];
- lc->rc.av_per_frame_bandwidth = (int)(lc->target_bandwidth / lc->framerate);
- lc->rc.per_frame_bandwidth = lc->rc.av_per_frame_bandwidth;
- lc->rc.max_frame_bandwidth = cpi->rc.max_frame_bandwidth;
- // Update qp-related quantities.
- lc->rc.worst_quality = cpi->rc.worst_quality;
- lc->rc.best_quality = cpi->rc.best_quality;
- lc->rc.active_worst_quality = cpi->rc.active_worst_quality;
- }
-}
-
-// Prior to encoding the frame, update framerate-related quantities
-// for the current layer.
-static void update_layer_framerate(VP9_COMP *const cpi) {- int temporal_layer = cpi->svc.temporal_layer_id;
- LAYER_CONTEXT *lc = &cpi->svc.layer_context[temporal_layer];
- lc->framerate = cpi->oxcf.framerate /
- cpi->oxcf.ts_rate_decimator[temporal_layer];
- lc->rc.av_per_frame_bandwidth = (int)(lc->target_bandwidth /
- lc->framerate);
- lc->rc.per_frame_bandwidth = lc->rc.av_per_frame_bandwidth;
- lc->rc.max_frame_bandwidth = cpi->rc.max_frame_bandwidth;
-}
-
-// Prior to encoding the frame, set the layer context, for the current layer
-// to be encoded, to the cpi struct.
-static void restore_layer_context(VP9_COMP *const cpi) {- int temporal_layer = cpi->svc.temporal_layer_id;
- LAYER_CONTEXT *lc = &cpi->svc.layer_context[temporal_layer];
- int frame_since_key = cpi->rc.frames_since_key;
- int frame_to_key = cpi->rc.frames_to_key;
- memcpy(&cpi->rc, &lc->rc, sizeof(RATE_CONTROL));
- cpi->target_bandwidth = lc->target_bandwidth;
- cpi->oxcf.starting_buffer_level = lc->starting_buffer_level;
- cpi->oxcf.optimal_buffer_level = lc->optimal_buffer_level;
- cpi->oxcf.maximum_buffer_size = lc->maximum_buffer_size;
- cpi->output_framerate = lc->framerate;
- // Reset the frames_since_key and frames_to_key counters to their values
- // before the layer restore. Keep these defined for the stream (not layer).
- cpi->rc.frames_since_key = frame_since_key;
- cpi->rc.frames_to_key = frame_to_key;
-}
-
-// Save the layer context after encoding the frame.
-static void save_layer_context(VP9_COMP *const cpi) {- int temporal_layer = cpi->svc.temporal_layer_id;
- LAYER_CONTEXT *lc = &cpi->svc.layer_context[temporal_layer];
- memcpy(&lc->rc, &cpi->rc, sizeof(RATE_CONTROL));
- lc->target_bandwidth = cpi->target_bandwidth;
- lc->starting_buffer_level = cpi->oxcf.starting_buffer_level;
- lc->optimal_buffer_level = cpi->oxcf.optimal_buffer_level;
- lc->maximum_buffer_size = cpi->oxcf.maximum_buffer_size;
- lc->framerate = cpi->output_framerate;
-}
-
static void set_tile_limits(VP9_COMP *cpi) {VP9_COMMON *const cm = &cpi->common;
@@ -1285,16 +1184,6 @@
cm->subsampling_y = 0;
vp9_alloc_compressor_data(cpi);
- // Spatial scalability.
- cpi->svc.number_spatial_layers = oxcf->ss_number_layers;
- // Temporal scalability.
- cpi->svc.number_temporal_layers = oxcf->ts_number_layers;
-
- if (cpi->svc.number_temporal_layers > 1 &&
- cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER) {- init_layer_context(cpi);
- }
-
// change includes all joint functionality
vp9_change_config(ptr, oxcf);
@@ -1335,6 +1224,9 @@
cpi->gld_fb_idx = 1;
cpi->alt_fb_idx = 2;
+ cpi->current_layer = 0;
+ cpi->use_svc = 0;
+
set_tile_limits(cpi);
cpi->fixed_divide[0] = 0;
@@ -1342,6 +1234,7 @@
cpi->fixed_divide[i] = 0x80000 / i;
}
+
void vp9_change_config(VP9_PTR ptr, VP9_CONFIG *oxcf) {VP9_COMP *cpi = (VP9_COMP *)(ptr);
VP9_COMMON *const cm = &cpi->common;
@@ -1433,10 +1326,10 @@
cpi->oxcf.target_bandwidth, 1000);
// Under a configuration change, where maximum_buffer_size may change,
// keep buffer level clipped to the maximum allowed buffer size.
- cpi->rc.bits_off_target = MIN(cpi->rc.bits_off_target,
- cpi->oxcf.maximum_buffer_size);
- cpi->rc.buffer_level = MIN(cpi->rc.buffer_level,
- cpi->oxcf.maximum_buffer_size);
+ if (cpi->rc.bits_off_target > cpi->oxcf.maximum_buffer_size) {+ cpi->rc.bits_off_target = cpi->oxcf.maximum_buffer_size;
+ cpi->rc.buffer_level = cpi->rc.bits_off_target;
+ }
// Set up frame rate and related parameters rate control values.
vp9_new_framerate(cpi, cpi->oxcf.framerate);
@@ -1473,11 +1366,6 @@
}
update_frame_size(cpi);
- if (cpi->svc.number_temporal_layers > 1 &&
- cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER) {- update_layer_context_change_config(cpi, cpi->oxcf.target_bandwidth);
- }
-
cpi->speed = cpi->oxcf.cpu_used;
if (cpi->oxcf.lag_in_frames == 0) {@@ -1701,8 +1589,6 @@
vp9_create_common(cm);
- cpi->use_svc = 0;
-
init_config((VP9_PTR)cpi, oxcf);
init_pick_mode_context(cpi);
@@ -1718,6 +1604,9 @@
cpi->alt_is_last = 0;
cpi->gold_is_alt = 0;
+ // Spatial scalability
+ cpi->number_spatial_layers = oxcf->ss_number_layers;
+
// Create the encoder segmentation map and set all entries to 0
CHECK_MEM_ERROR(cm, cpi->segmentation_map,
vpx_calloc(cm->mi_rows * cm->mi_cols, 1));
@@ -3669,12 +3558,6 @@
adjust_frame_rate(cpi);
}
- if (cpi->svc.number_temporal_layers > 1 &&
- cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER) {- update_layer_framerate(cpi);
- restore_layer_context(cpi);
- }
-
// start with a 0 size frame
*size = 0;
@@ -3748,12 +3631,6 @@
if (*size > 0) {cpi->droppable = !frame_is_reference(cpi);
- }
-
- // Save layer specific state.
- if (cpi->svc.number_temporal_layers > 1 &&
- cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER) {- save_layer_context(cpi);
}
vpx_usec_timer_mark(&cmptimer);
--- a/vp9/encoder/vp9_onyx_int.h
+++ b/vp9/encoder/vp9_onyx_int.h
@@ -421,15 +421,6 @@
int super_fast_rtc;
} SPEED_FEATURES;
-typedef struct {- RATE_CONTROL rc;
- int target_bandwidth;
- int64_t starting_buffer_level;
- int64_t optimal_buffer_level;
- int64_t maximum_buffer_size;
- double framerate;
-} LAYER_CONTEXT;
-
typedef struct VP9_COMP {DECLARE_ALIGNED(16, int16_t, y_quant[QINDEX_RANGE][8]);
DECLARE_ALIGNED(16, int16_t, y_quant_shift[QINDEX_RANGE][8]);
@@ -474,6 +465,9 @@
int gld_fb_idx;
int alt_fb_idx;
+ int current_layer;
+ int use_svc;
+
#if CONFIG_MULTIPLE_ARF
int alt_ref_fb_idx[REF_FRAMES - 3];
#endif
@@ -690,18 +684,7 @@
int initial_width;
int initial_height;
- int use_svc;
-
- struct svc {- int spatial_layer_id;
- int temporal_layer_id;
- int number_spatial_layers;
- int number_temporal_layers;
- // Layer context used for rate control in CBR mode, only defined for
- // temporal layers for now.
- LAYER_CONTEXT layer_context[VPX_TS_MAX_LAYERS];
- } svc;
-
+ int number_spatial_layers;
int enable_encode_breakout; // Default value is 1. From first pass stats,
// encode_breakout may be disabled.
--- a/vp9/encoder/vp9_ratectrl.c
+++ b/vp9/encoder/vp9_ratectrl.c
@@ -252,26 +252,6 @@
rc->this_frame_target = target;
}
-
-// Update the buffer level for higher layers, given the encoded current layer.
-static void update_layer_buffer_level(VP9_COMP *const cpi,
- int encoded_frame_size) {- int temporal_layer = 0;
- int current_temporal_layer = cpi->svc.temporal_layer_id;
- for (temporal_layer = current_temporal_layer + 1;
- temporal_layer < cpi->svc.number_temporal_layers; ++temporal_layer) {- LAYER_CONTEXT *lc = &cpi->svc.layer_context[temporal_layer];
- int bits_off_for_this_layer = (int)(lc->target_bandwidth / lc->framerate -
- encoded_frame_size);
- lc->rc.bits_off_target += bits_off_for_this_layer;
-
- // Clip buffer level to maximum buffer size for the layer.
- lc->rc.bits_off_target = MIN(lc->rc.bits_off_target,
- lc->maximum_buffer_size);
- lc->rc.buffer_level = lc->rc.bits_off_target;
- }
-}
-
// Update the buffer level: leaky bucket model.
void vp9_update_buffer_level(VP9_COMP *const cpi, int encoded_frame_size) {const VP9_COMMON *const cm = &cpi->common;
@@ -286,12 +266,7 @@
}
// Clip the buffer level to the maximum specified buffer size.
- rc->bits_off_target = MIN(rc->bits_off_target, oxcf->maximum_buffer_size);
- rc->buffer_level = rc->bits_off_target;
-
- if (cpi->use_svc && cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER) {- update_layer_buffer_level(cpi, encoded_frame_size);
- }
+ rc->buffer_level = MIN(rc->bits_off_target, oxcf->maximum_buffer_size);
}
int vp9_drop_frame(VP9_COMP *const cpi) {@@ -298,6 +273,7 @@
const VP9_CONFIG *oxcf = &cpi->oxcf;
RATE_CONTROL *const rc = &cpi->rc;
+
if (!oxcf->drop_frames_water_mark) {return 0;
} else {@@ -308,7 +284,7 @@
// If buffer is below drop_mark, for now just drop every other frame
// (starting with the next frame) until it increases back over drop_mark.
int drop_mark = (int)(oxcf->drop_frames_water_mark *
- oxcf->optimal_buffer_level / 100);
+ oxcf->optimal_buffer_level / 100);
if ((rc->buffer_level > drop_mark) &&
(rc->decimation_factor > 0)) {--rc->decimation_factor;
@@ -392,6 +368,7 @@
const int pct_high = MIN(-diff / one_pct_bits, oxcf->over_shoot_pct);
target += (target * pct_high) / 200;
}
+
return target;
}
@@ -451,8 +428,7 @@
if (cpi->common.frame_type == KEY_FRAME) {return cpi->rc.key_frame_rate_correction_factor;
} else {- if ((cpi->refresh_alt_ref_frame || cpi->refresh_golden_frame) &&
- !(cpi->use_svc && cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER))
+ if (cpi->refresh_alt_ref_frame || cpi->refresh_golden_frame)
return cpi->rc.gf_rate_correction_factor;
else
return cpi->rc.rate_correction_factor;
@@ -463,8 +439,7 @@
if (cpi->common.frame_type == KEY_FRAME) {cpi->rc.key_frame_rate_correction_factor = factor;
} else {- if ((cpi->refresh_alt_ref_frame || cpi->refresh_golden_frame) &&
- !(cpi->use_svc && cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER))
+ if (cpi->refresh_alt_ref_frame || cpi->refresh_golden_frame)
cpi->rc.gf_rate_correction_factor = factor;
else
cpi->rc.rate_correction_factor = factor;
--- a/vp9/vp9_cx_iface.c
+++ b/vp9/vp9_cx_iface.c
@@ -175,23 +175,6 @@
RANGE_CHECK(cfg, ss_number_layers, 1,
VPX_SS_MAX_LAYERS); /*Spatial layers max */
-
- RANGE_CHECK(cfg, ts_number_layers, 1, VPX_TS_MAX_LAYERS);
- if (cfg->ts_number_layers > 1) {- unsigned int i;
- for (i = 1; i <cfg->ts_number_layers; i++) {- if (cfg->ts_target_bitrate[i] < cfg->ts_target_bitrate[i-1]) {- ERROR("ts_target_bitrate entries are not increasing");- }
- }
- RANGE_CHECK(cfg, ts_rate_decimator[cfg->ts_number_layers-1], 1, 1);
- for (i = cfg->ts_number_layers-2; i > 0; i--) {- if (cfg->ts_rate_decimator[i-1] != 2*cfg->ts_rate_decimator[i]) {- ERROR("ts_rate_decimator factors are not powers of 2");- }
- }
- }
-
/* VP8 does not support a lower bound on the keyframe interval in
* automatic keyframe placement mode.
*/
@@ -362,19 +345,6 @@
oxcf->aq_mode = vp8_cfg.aq_mode;
oxcf->ss_number_layers = cfg.ss_number_layers;
-
- oxcf->ts_number_layers = cfg.ts_number_layers;
-
- if (oxcf->ts_number_layers > 1) {- memcpy(oxcf->ts_target_bitrate, cfg.ts_target_bitrate,
- sizeof(cfg.ts_target_bitrate));
- memcpy(oxcf->ts_rate_decimator, cfg.ts_rate_decimator,
- sizeof(cfg.ts_rate_decimator));
- } else if (oxcf->ts_number_layers == 1) {- oxcf->ts_target_bitrate[0] = oxcf->target_bandwidth;
- oxcf->ts_rate_decimator[0] = 1;
- }
-
/*
printf("Current VP9 Settings: \n"); printf("target_bandwidth: %d\n", oxcf->target_bandwidth);@@ -1046,35 +1016,9 @@
va_list args) {int data = va_arg(args, int);
vp9_set_svc(ctx->cpi, data);
- // CBR mode for SVC with both temporal and spatial layers not yet supported.
- if (data == 1 &&
- ctx->cfg.rc_end_usage == VPX_CBR &&
- ctx->cfg.ss_number_layers > 1 &&
- ctx->cfg.ts_number_layers > 1) {- return VPX_CODEC_INVALID_PARAM;
- }
return VPX_CODEC_OK;
}
-static vpx_codec_err_t vp9e_set_svc_layer_id(vpx_codec_alg_priv_t *ctx,
- int ctr_id,
- va_list args) {- vpx_svc_layer_id_t *data = va_arg(args, vpx_svc_layer_id_t *);
- VP9_COMP *cpi = (VP9_COMP *)ctx->cpi;
- cpi->svc.spatial_layer_id = data->spatial_layer_id;
- cpi->svc.temporal_layer_id = data->temporal_layer_id;
- // Checks on valid layer_id input.
- if (cpi->svc.temporal_layer_id < 0 ||
- cpi->svc.temporal_layer_id >= ctx->cfg.ts_number_layers) {- return VPX_CODEC_INVALID_PARAM;
- }
- if (cpi->svc.spatial_layer_id < 0 ||
- cpi->svc.spatial_layer_id >= ctx->cfg.ss_number_layers) {- return VPX_CODEC_INVALID_PARAM;
- }
- return VPX_CODEC_OK;
-}
-
static vpx_codec_err_t vp9e_set_svc_parameters(vpx_codec_alg_priv_t *ctx,
int ctr_id, va_list args) {vpx_svc_parameters_t *data = va_arg(args, vpx_svc_parameters_t *);
@@ -1087,9 +1031,7 @@
params = *(vpx_svc_parameters_t *)data;
- cpi->svc.spatial_layer_id = params.spatial_layer;
- cpi->svc.temporal_layer_id = params.temporal_layer;
-
+ cpi->current_layer = params.layer;
cpi->lst_fb_idx = params.lst_fb_idx;
cpi->gld_fb_idx = params.gld_fb_idx;
cpi->alt_fb_idx = params.alt_fb_idx;
@@ -1138,7 +1080,6 @@
{VP9_GET_REFERENCE, get_reference}, {VP9E_SET_SVC, vp9e_set_svc}, {VP9E_SET_SVC_PARAMETERS, vp9e_set_svc_parameters},- {VP9E_SET_SVC_LAYER_ID, vp9e_set_svc_layer_id}, { -1, NULL},};
@@ -1189,11 +1130,7 @@
9999, /* kf_max_dist */
VPX_SS_DEFAULT_LAYERS, /* ss_number_layers */
- 1, /* ts_number_layers */
- {0}, /* ts_target_bitrate */- {0}, /* ts_rate_decimator */- 0, /* ts_periodicity */
- {0}, /* ts_layer_id */+
#if VPX_ENCODER_ABI_VERSION == (1 + VPX_CODEC_ABI_VERSION)
1, /* g_delete_first_pass_file */
"vp8.fpf" /* first pass filename */
--- a/vpx/src/svc_encodeframe.c
+++ b/vpx/src/svc_encodeframe.c
@@ -499,7 +499,6 @@
// modify encoder configuration
enc_cfg->ss_number_layers = si->layers;
- enc_cfg->ts_number_layers = 1; // Temporal layers not used in this encoder.
enc_cfg->kf_mode = VPX_KF_DISABLED;
enc_cfg->g_pass = VPX_RC_ONE_PASS;
// Lag in frames not currently supported
@@ -692,8 +691,7 @@
SvcInternal *const si = get_svc_internal(svc_ctx);
memset(&svc_params, 0, sizeof(svc_params));
- svc_params.temporal_layer = 0;
- svc_params.spatial_layer = si->layer;
+ svc_params.layer = si->layer;
svc_params.flags = si->enc_frame_flags;
layer = si->layer;
--- a/vpx/vp8cx.h
+++ b/vpx/vp8cx.h
@@ -194,8 +194,7 @@
VP9E_SET_AQ_MODE,
VP9E_SET_SVC,
- VP9E_SET_SVC_PARAMETERS,
- VP9E_SET_SVC_LAYER_ID
+ VP9E_SET_SVC_PARAMETERS
};
/*!\brief vpx 1-D scaling mode
@@ -286,8 +285,7 @@
typedef struct vpx_svc_parameters {unsigned int width; /**< width of current spatial layer */
unsigned int height; /**< height of current spatial layer */
- int spatial_layer; /**< current spatial layer number - 0 = base */
- int temporal_layer; /**< current temporal layer number - 0 = base */
+ int layer; /**< current layer number - 0 = base */
int flags; /**< encode frame flags */
int max_quantizer; /**< max quantizer for current layer */
int min_quantizer; /**< min quantizer for current layer */
@@ -297,11 +295,6 @@
int alt_fb_idx; /**< alt reference frame frame buffer index */
} vpx_svc_parameters_t;
-typedef struct vpx_svc_layer_id {- int spatial_layer_id;
- int temporal_layer_id;
-} vpx_svc_layer_id_t;
-
/*!\brief VP8 encoder control function parameter type
*
* Defines the data types that VP8E control functions take. Note that
@@ -323,7 +316,6 @@
VPX_CTRL_USE_TYPE(VP9E_SET_SVC, int)
VPX_CTRL_USE_TYPE(VP9E_SET_SVC_PARAMETERS, vpx_svc_parameters_t *)
-VPX_CTRL_USE_TYPE(VP9E_SET_SVC_LAYER_ID, vpx_svc_layer_id_t *)
VPX_CTRL_USE_TYPE(VP8E_SET_CPUUSED, int)
VPX_CTRL_USE_TYPE(VP8E_SET_ENABLEAUTOALTREF, unsigned int)
--- a/vpx/vpx_encoder.h
+++ b/vpx/vpx_encoder.h
@@ -604,48 +604,47 @@
* Spatial scalability settings (ss)
*/
- /*!\brief Number of spatial coding layers.
+ /*!\brief Number of coding layers (spatial)
*
- * This value specifies the number of spatial coding layers to be used.
+ * This value specifies the number of coding layers to be used.
*/
unsigned int ss_number_layers;
- /*!\brief Number of temporal coding layers.
+ /*!\brief Number of coding layers
*
- * This value specifies the number of temporal layers to be used.
+ * This value specifies the number of coding layers to be used.
*/
unsigned int ts_number_layers;
- /*!\brief Target bitrate for each temporal layer.
+ /*!\brief Target bitrate for each layer
*
- * These values specify the target coding bitrate to be used for each
- * temporal layer.
+ * These values specify the target coding bitrate for each coding layer.
*/
unsigned int ts_target_bitrate[VPX_TS_MAX_LAYERS];
- /*!\brief Frame rate decimation factor for each temporal layer.
+ /*!\brief Frame rate decimation factor for each layer
*
* These values specify the frame rate decimation factors to apply
- * to each temporal layer.
+ * to each layer.
*/
unsigned int ts_rate_decimator[VPX_TS_MAX_LAYERS];
- /*!\brief Length of the sequence defining frame temporal layer membership.
- *
- * This value specifies the length of the sequence that defines the
- * membership of frames to temporal layers. For example, if ts_periodicity=8
- * then frames are assigned to coding layers with a repeated sequence of
- * length 8.
- */
+ /*!\brief Length of the sequence defining frame layer membership
+ *
+ * This value specifies the length of the sequence that defines the
+ * membership of frames to layers. For example, if ts_periodicity=8 then
+ * frames are assigned to coding layers with a repeated sequence of
+ * length 8.
+ */
unsigned int ts_periodicity;
- /*!\brief Template defining the membership of frames to temporal layers.
- *
- * This array defines the membership of frames to temporal coding layers.
- * For a 2-layer encoding that assigns even numbered frames to one temporal
- * layer (0) and odd numbered frames to a second temporal layer (1) with
- * ts_periodicity=8, then ts_layer_id = (0,1,0,1,0,1,0,1).
- */
+ /*!\brief Template defining the membership of frames to coding layers
+ *
+ * This array defines the membership of frames to coding layers. For a
+ * 2-layer encoding that assigns even numbered frames to one layer (0)
+ * and odd numbered frames to a second layer (1) with ts_periodicity=8,
+ * then ts_layer_id = (0,1,0,1,0,1,0,1).
+ */
unsigned int ts_layer_id[VPX_TS_MAX_PERIODICITY];
} vpx_codec_enc_cfg_t; /**< alias for struct vpx_codec_enc_cfg */
--- a/vpx_temporal_scalable_patterns.c
+++ /dev/null
@@ -1,537 +1,0 @@
-/*
- * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-
-// This is an example demonstrating how to implement a multi-layer VP9
-// encoding scheme based on temporal scalability for video applications
-// that benefit from a scalable bitstream.
-
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define VPX_CODEC_DISABLE_COMPAT 1
-#include "./ivfenc.h"
-#include "./tools_common.h"
-#include "./vpx_config.h"
-#include "vpx/vp8cx.h"
-#include "vpx/vpx_encoder.h"
-
-static const char *exec_name;
-
-void usage_exit() {- exit(EXIT_FAILURE);
-}
-
-static int mode_to_num_layers[12] = {1, 2, 2, 3, 3, 3, 3, 5, 2, 3, 3, 3};-
-// Temporal scaling parameters:
-// NOTE: The 3 prediction frames cannot be used interchangeably due to
-// differences in the way they are handled throughout the code. The
-// frames should be allocated to layers in the order LAST, GF, ARF.
-// Other combinations work, but may produce slightly inferior results.
-static void set_temporal_layer_pattern(int layering_mode,
- vpx_codec_enc_cfg_t *cfg,
- int *layer_flags,
- int *flag_periodicity) {- switch (layering_mode) {- case 0: {- // 1-layer.
- int ids[1] = {0};- cfg->ts_periodicity = 1;
- *flag_periodicity = 1;
- cfg->ts_number_layers = 1;
- cfg->ts_rate_decimator[0] = 1;
- memcpy(cfg->ts_layer_id, ids, sizeof(ids));
- // Update L only.
- layer_flags[0] = VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_UPD_GF |
- VP8_EFLAG_NO_UPD_ARF;
- break;
- }
- case 1: {- // 2-layers, 2-frame period.
- int ids[2] = {0, 1};- cfg->ts_periodicity = 2;
- *flag_periodicity = 2;
- cfg->ts_number_layers = 2;
- cfg->ts_rate_decimator[0] = 2;
- cfg->ts_rate_decimator[1] = 1;
- memcpy(cfg->ts_layer_id, ids, sizeof(ids));
-#if 1
- // 0=L, 1=GF, Intra-layer prediction enabled.
- 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;
- layer_flags[1] = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_REF_ARF;
-#else
- // 0=L, 1=GF, Intra-layer prediction disabled.
- 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;
- layer_flags[1] = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_REF_LAST;
-#endif
- break;
- }
- case 2: {- // 2-layers, 3-frame period.
- int ids[3] = {0, 1, 1};- cfg->ts_periodicity = 3;
- *flag_periodicity = 3;
- cfg->ts_number_layers = 2;
- cfg->ts_rate_decimator[0] = 3;
- cfg->ts_rate_decimator[1] = 1;
- memcpy(cfg->ts_layer_id, ids, sizeof(ids));
- // 0=L, 1=GF, Intra-layer prediction enabled.
- layer_flags[0] = VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_REF_GF |
- VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[1] =
- layer_flags[2] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST;
- break;
- }
- case 3: {- // 3-layers, 6-frame period.
- int ids[6] = {0, 2, 2, 1, 2, 2};- cfg->ts_periodicity = 6;
- *flag_periodicity = 6;
- cfg->ts_number_layers = 3;
- cfg->ts_rate_decimator[0] = 6;
- cfg->ts_rate_decimator[1] = 3;
- cfg->ts_rate_decimator[2] = 1;
- memcpy(cfg->ts_layer_id, ids, sizeof(ids));
- // 0=L, 1=GF, 2=ARF, Intra-layer prediction enabled.
- layer_flags[0] = VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_REF_GF |
- VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[3] = VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_UPD_LAST;
- layer_flags[1] =
- layer_flags[2] =
- layer_flags[4] =
- layer_flags[5] = VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_LAST;
- break;
- }
- case 4: {- // 3-layers, 4-frame period.
- int ids[4] = {0, 2, 1, 2};- cfg->ts_periodicity = 4;
- *flag_periodicity = 4;
- cfg->ts_number_layers = 3;
- 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));
- // 0=L, 1=GF, 2=ARF, Intra-layer prediction disabled.
- layer_flags[0] = VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_REF_GF |
- VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[2] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST;
- layer_flags[1] =
- layer_flags[3] = VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
- break;
- }
- case 5: {- // 3-layers, 4-frame period.
- int ids[4] = {0, 2, 1, 2};- cfg->ts_periodicity = 4;
- *flag_periodicity = 4;
- cfg->ts_number_layers = 3;
- 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));
- // 0=L, 1=GF, 2=ARF, Intra-layer prediction enabled in layer 1, disabled
- // in layer 2.
- layer_flags[0] = VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_REF_GF |
- VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[2] = VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_UPD_ARF;
- layer_flags[1] =
- layer_flags[3] = VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
- break;
- }
- case 6: {- // 3-layers, 4-frame period.
- int ids[4] = {0, 2, 1, 2};- cfg->ts_periodicity = 4;
- *flag_periodicity = 4;
- cfg->ts_number_layers = 3;
- 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));
- // 0=L, 1=GF, 2=ARF, Intra-layer prediction enabled.
- layer_flags[0] = VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_REF_GF |
- VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[2] = VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_UPD_ARF;
- layer_flags[1] =
- layer_flags[3] = VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF;
- break;
- }
- case 7: {- // NOTE: Probably of academic interest only.
- // 5-layers, 16-frame period.
- int ids[16] = {0, 4, 3, 4, 2, 4, 3, 4, 1, 4, 3, 4, 2, 4, 3, 4};- cfg->ts_periodicity = 16;
- *flag_periodicity = 16;
- cfg->ts_number_layers = 5;
- cfg->ts_rate_decimator[0] = 16;
- cfg->ts_rate_decimator[1] = 8;
- cfg->ts_rate_decimator[2] = 4;
- cfg->ts_rate_decimator[3] = 2;
- cfg->ts_rate_decimator[4] = 1;
- memcpy(cfg->ts_layer_id, ids, sizeof(ids));
- layer_flags[0] = VPX_EFLAG_FORCE_KF;
- layer_flags[1] =
- layer_flags[3] =
- layer_flags[5] =
- layer_flags[7] =
- layer_flags[9] =
- layer_flags[11] =
- layer_flags[13] =
- layer_flags[15] = VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF |
- VP8_EFLAG_NO_UPD_ARF;
- layer_flags[2] =
- layer_flags[6] =
- layer_flags[10] =
- layer_flags[14] = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_GF;
- layer_flags[4] =
- layer_flags[12] = VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[8] = VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_REF_GF;
- break;
- }
- case 8: {- // 2-layers, with sync point at first frame of layer 1.
- int ids[2] = {0, 1};- cfg->ts_periodicity = 2;
- *flag_periodicity = 8;
- cfg->ts_number_layers = 2;
- cfg->ts_rate_decimator[0] = 2;
- cfg->ts_rate_decimator[1] = 1;
- memcpy(cfg->ts_layer_id, ids, sizeof(ids));
- // 0=L, 1=GF.
- // ARF is used as predictor for all frames, and is only updated on
- // key frame. Sync point every 8 frames.
-
- // Layer 0: predict from L and ARF, update L and G.
- layer_flags[0] = VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_REF_GF |
- VP8_EFLAG_NO_UPD_ARF;
- // Layer 1: sync point: predict from L and ARF, and update G.
- layer_flags[1] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_UPD_ARF;
- // Layer 0, predict from L and ARF, update L.
- layer_flags[2] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_GF |
- VP8_EFLAG_NO_UPD_ARF;
- // Layer 1: predict from L, G and ARF, and update G.
- layer_flags[3] = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_UPD_ENTROPY;
- // Layer 0.
- layer_flags[4] = layer_flags[2];
- // Layer 1.
- layer_flags[5] = layer_flags[3];
- // Layer 0.
- layer_flags[6] = layer_flags[4];
- // Layer 1.
- layer_flags[7] = layer_flags[5];
- break;
- }
- case 9: {- // 3-layers: Sync points for layer 1 and 2 every 8 frames.
- int ids[4] = {0, 2, 1, 2};- cfg->ts_periodicity = 4;
- *flag_periodicity = 8;
- cfg->ts_number_layers = 3;
- 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));
- // 0=L, 1=GF, 2=ARF.
- layer_flags[0] = VPX_EFLAG_FORCE_KF | VP8_EFLAG_NO_REF_GF |
- VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[1] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF;
- layer_flags[2] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[3] =
- layer_flags[5] = VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF;
- layer_flags[4] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[6] = VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_UPD_ARF;
- layer_flags[7] = VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF |
- VP8_EFLAG_NO_UPD_ARF | 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_periodicity = 4;
- *flag_periodicity = 8;
- cfg->ts_number_layers = 3;
- 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));
- // 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_periodicity = 4;
- *flag_periodicity = 8;
- cfg->ts_number_layers = 3;
- 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));
- // 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;
- }
- }
-}
-
-int main(int argc, char **argv) {- FILE *outfile[VPX_TS_MAX_LAYERS];
- vpx_codec_ctx_t codec;
- vpx_codec_enc_cfg_t cfg;
- int frame_cnt = 0;
- vpx_image_t raw;
- vpx_codec_err_t res;
- unsigned int width;
- unsigned int height;
- int frame_avail;
- int got_data;
- int flags = 0;
- int i;
- int pts = 0; // PTS starts at 0.
- int frame_duration = 1; // 1 timebase tick per frame.
- int layering_mode = 0;
- int frames_in_layer[VPX_TS_MAX_LAYERS] = {0};- int layer_flags[VPX_TS_MAX_PERIODICITY] = {0};- int flag_periodicity = 1;
- int max_intra_size_pct;
- vpx_svc_layer_id_t layer_id = {0, 0};- char *codec_type;
- // Default is VP8 codec.
- const vpx_codec_iface_t *(*interface)(void) = vpx_codec_vp8_cx;
- unsigned int fourcc = 0x30385056;
- struct VpxInputContext input_ctx = {0};-
- exec_name = argv[0];
- // Check usage and arguments.
- if (argc < 10) {- die("Usage: %s <infile> <outfile> <width> <height> <rate_num> "- " <rate_den> <mode> <Rate_0> ... <Rate_nlayers-1> "
- " <codec_type(vp8/vp9)> \n", argv[0]);
- }
- width = strtol(argv[3], NULL, 0);
- height = strtol(argv[4], NULL, 0);
- if (width < 16 || width%2 || height <16 || height%2) {- die("Invalid resolution: %d x %d", width, height);- }
-
- layering_mode = strtol(argv[7], NULL, 0);
- if (layering_mode < 0 || layering_mode > 11) {- die("Invalid mode (0..11) %s", argv[7]);- }
-
- if (argc != 8 + mode_to_num_layers[layering_mode] + 1) {- die("Invalid number of arguments");- }
-
- if (!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, width, height, 32)) {- die("Failed to allocate image", width, height);- }
-
- codec_type = argv[8 + mode_to_num_layers[layering_mode]];
- if (strncmp(codec_type, "vp9", 3) == 0) {- interface = vpx_codec_vp9_cx;
- fourcc = 0x30395056;
- }
- printf("Using %s\n", vpx_codec_iface_name(interface()));-
- // Populate encoder configuration.
- res = vpx_codec_enc_config_default(interface(), &cfg, 0);
- if (res) {- printf("Failed to get config: %s\n", vpx_codec_err_to_string(res));- return EXIT_FAILURE;
- }
-
- // Update the default configuration with our settings.
- cfg.g_w = width;
- cfg.g_h = height;
-
- // Timebase format e.g. 30fps: numerator=1, demoninator = 30.
- cfg.g_timebase.num = strtol(argv[5], NULL, 0);
- cfg.g_timebase.den = strtol(argv[6], NULL, 0);
-
- for (i = 8; i < 8 + mode_to_num_layers[layering_mode]; ++i) {- cfg.ts_target_bitrate[i-8] = strtol(argv[i], NULL, 0);
- }
-
- // Real time parameters.
- cfg.rc_dropframe_thresh = 0;
- cfg.rc_end_usage = VPX_CBR;
- cfg.rc_resize_allowed = 0;
- cfg.rc_min_quantizer = 2;
- cfg.rc_max_quantizer = 56;
- cfg.rc_undershoot_pct = 100;
- cfg.rc_overshoot_pct = 15;
- cfg.rc_buf_initial_sz = 500;
- cfg.rc_buf_optimal_sz = 600;
- cfg.rc_buf_sz = 1000;
-
- // Enable error resilient mode.
- cfg.g_error_resilient = 1;
- cfg.g_lag_in_frames = 0;
- cfg.kf_mode = VPX_KF_DISABLED;
-
- // Disable automatic keyframe placement.
- 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];
-
- set_temporal_layer_pattern(layering_mode,
- &cfg,
- layer_flags,
- &flag_periodicity);
-
- // Open input file.
- input_ctx.filename = argv[1];
- if (!(input_ctx.file = fopen(input_ctx.filename, "rb"))) {- die("Failed to open %s for reading", argv[1]);- }
-
- // Open an output file for each stream.
- for (i = 0; i < cfg.ts_number_layers; ++i) {- char file_name[512];
- snprintf(file_name, sizeof(file_name), "%s_%d.ivf", argv[2], i);
- if (!(outfile[i] = fopen(file_name, "wb")))
- die("Failed to open %s for writing", file_name);- ivf_write_file_header(outfile[i], &cfg, fourcc, 0);
- }
- // No spatial layers in this encoder.
- cfg.ss_number_layers = 1;
-
- // Initialize codec.
- if (vpx_codec_enc_init(&codec, interface(), &cfg, 0))
- die_codec(&codec, "Failed to initialize encoder");
-
- vpx_codec_control(&codec, VP8E_SET_CPUUSED, -6);
- vpx_codec_control(&codec, VP8E_SET_NOISE_SENSITIVITY, 1);
- if (strncmp(codec_type, "vp9", 3) == 0) {- vpx_codec_control(&codec, VP8E_SET_CPUUSED, 3);
- vpx_codec_control(&codec, VP8E_SET_NOISE_SENSITIVITY, 0);
- if (vpx_codec_control(&codec, VP9E_SET_SVC, 1)) {- die_codec(&codec, "Failed to set SVC");
- }
- }
- vpx_codec_control(&codec, VP8E_SET_STATIC_THRESHOLD, 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) / 10.0);
- vpx_codec_control(&codec, VP8E_SET_MAX_INTRA_BITRATE_PCT, max_intra_size_pct);
-
- frame_avail = 1;
- while (frame_avail || got_data) {- vpx_codec_iter_t iter = NULL;
- const vpx_codec_cx_pkt_t *pkt;
- // Update the temporal layer_id. No spatial layers in this test.
- layer_id.spatial_layer_id = 0;
- layer_id.temporal_layer_id =
- cfg.ts_layer_id[frame_cnt % cfg.ts_periodicity];
- vpx_codec_control(&codec, VP9E_SET_SVC_LAYER_ID, &layer_id);
- flags = layer_flags[frame_cnt % flag_periodicity];
- frame_avail = !read_yuv_frame(&input_ctx, &raw);
- if (vpx_codec_encode(&codec, frame_avail? &raw : NULL, pts, 1, flags,
- VPX_DL_REALTIME)) {- die_codec(&codec, "Failed to encode frame");
- }
- // Reset KF flag.
- if (layering_mode != 7) {- layer_flags[0] &= ~VPX_EFLAG_FORCE_KF;
- }
- got_data = 0;
- while ( (pkt = vpx_codec_get_cx_data(&codec, &iter)) ) {- got_data = 1;
- switch (pkt->kind) {- case VPX_CODEC_CX_FRAME_PKT:
- for (i = cfg.ts_layer_id[frame_cnt % cfg.ts_periodicity];
- i < cfg.ts_number_layers; ++i) {- ivf_write_frame_header(outfile[i], pts, pkt->data.frame.sz);
- (void) fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz,
- outfile[i]);
- ++frames_in_layer[i];
- }
- break;
- default:
- break;
- }
- }
- ++frame_cnt;
- pts += frame_duration;
- }
- fclose(input_ctx.file);
- printf("Processed %d frames: \n", frame_cnt-1);- if (vpx_codec_destroy(&codec)) {- die_codec(&codec, "Failed to destroy codec");
- }
- // Try to rewrite the output file headers with the actual frame count.
- for (i = 0; i < cfg.ts_number_layers; ++i) {- if (!fseek(outfile[i], 0, SEEK_SET))
- ivf_write_file_header(outfile[i], &cfg, fourcc, frame_cnt);
- fclose(outfile[i]);
- }
- return EXIT_SUCCESS;
-}
--
⑨