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Merge "vp8_multi_resolution_encoder: Huge cleanup."

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Dmitry Kovalev 2014-08-28 12:13:29 -07:00 committed by Gerrit Code Review
commit e0503b9ca7
2 changed files with 268 additions and 419 deletions
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2
examples.mk
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@ -186,7 +186,9 @@ vp8cx_set_ref.DESCRIPTION = VP8 set encoder reference frame
ifeq ($(CONFIG_MULTI_RES_ENCODING),yes) ifeq ($(CONFIG_MULTI_RES_ENCODING),yes)
ifeq ($(CONFIG_LIBYUV),yes) ifeq ($(CONFIG_LIBYUV),yes)
EXAMPLES-$(CONFIG_VP8_ENCODER) += vp8_multi_resolution_encoder.c EXAMPLES-$(CONFIG_VP8_ENCODER) += vp8_multi_resolution_encoder.c
vp8_multi_resolution_encoder.SRCS += ivfenc.h ivfenc.c
vp8_multi_resolution_encoder.SRCS += tools_common.h tools_common.c vp8_multi_resolution_encoder.SRCS += tools_common.h tools_common.c
vp8_multi_resolution_encoder.SRCS += video_writer.h video_writer.c
vp8_multi_resolution_encoder.SRCS += $(LIBYUV_SRCS) vp8_multi_resolution_encoder.SRCS += $(LIBYUV_SRCS)
vp8_multi_resolution_encoder.GUID = 04f8738e-63c8-423b-90fa-7c2703a374de vp8_multi_resolution_encoder.GUID = 04f8738e-63c8-423b-90fa-7c2703a374de
vp8_multi_resolution_encoder.DESCRIPTION = VP8 Multiple-resolution Encoding vp8_multi_resolution_encoder.DESCRIPTION = VP8 Multiple-resolution Encoding

685
examples/vp8_multi_resolution_encoder.c
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@ -8,446 +8,293 @@
* be found in the AUTHORS file in the root of the source tree. * be found in the AUTHORS file in the root of the source tree.
*/ */
/*
* This is an example demonstrating multi-resolution encoding in VP8. // This is an example demonstrating multi-resolution encoding in VP8.
* High-resolution input video is down-sampled to lower-resolutions. The // High-resolution input video is down-sampled to lower-resolutions. The
* encoder then encodes the video and outputs multiple bitstreams with // encoder then encodes the video and outputs multiple bitstreams with
* different resolutions. // different resolutions.
*/ //
// Configure with --enable-multi-res-encoding flag to enable this example.
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <stdarg.h>
#include <string.h> #include <string.h>
#include <math.h>
#define VPX_CODEC_DISABLE_COMPAT 1
#include "vpx/vpx_encoder.h"
#include "vpx/vp8cx.h"
#include "vpx_ports/mem_ops.h"
#include "./tools_common.h"
#define interface (vpx_codec_vp8_cx())
#define fourcc 0x30385056
void usage_exit() {
exit(EXIT_FAILURE);
}
/*
* The input video frame is downsampled several times to generate a multi-level
* hierarchical structure. NUM_ENCODERS is defined as the number of encoding
* levels required. For example, if the size of input video is 1280x720,
* NUM_ENCODERS is 3, and down-sampling factor is 2, the encoder outputs 3
* bitstreams with resolution of 1280x720(level 0), 640x360(level 1), and
* 320x180(level 2) respectively.
*/
#define NUM_ENCODERS 3
/* This example uses the scaler function in libyuv. */
#include "third_party/libyuv/include/libyuv/basic_types.h" #include "third_party/libyuv/include/libyuv/basic_types.h"
#include "third_party/libyuv/include/libyuv/scale.h" #include "third_party/libyuv/include/libyuv/scale.h"
#include "third_party/libyuv/include/libyuv/cpu_id.h" #include "third_party/libyuv/include/libyuv/cpu_id.h"
int (*read_frame_p)(FILE *f, vpx_image_t *img); #define VPX_CODEC_DISABLE_COMPAT 1
#include "vpx/vpx_encoder.h"
#include "vpx/vp8cx.h"
static int read_frame(FILE *f, vpx_image_t *img) { #include "./tools_common.h"
size_t nbytes, to_read; #include "./video_writer.h"
int res = 1;
to_read = img->w*img->h*3/2; static const char *exec_name;
nbytes = fread(img->planes[0], 1, to_read, f);
if(nbytes != to_read) { void usage_exit() {
res = 0; fprintf(stderr,
if(nbytes > 0) "Usage: %s <width> <height> <infile> <outfile(s)> <output psnr?>\n",
printf("Warning: Read partial frame. Check your width & height!\n"); exec_name);
} exit(EXIT_FAILURE);
return res;
} }
static int read_frame_by_row(FILE *f, vpx_image_t *img) { int main(int argc, char *argv[]) {
size_t nbytes, to_read; // The input video frame is downsampled several times to generate a
int res = 1; // multi-level hierarchical structure. kNumEncoders is defined as the number
int plane; // of encoding levels required. For example, if the size of input video is
// 1280x720, kNumEncoders is 3, and down-sampling factor is 2, the encoder
// outputs 3 bitstreams with resolution of 1280x720(level 0),
// 640x360(level 1), and 320x180(level 2) respectively.
static const int kNumEncoders = 3;
for (plane = 0; plane < 3; plane++) int frame_cnt = 0;
FILE *infile = NULL;
VpxVideoWriter *writers[kNumEncoders];
vpx_codec_ctx_t codec[kNumEncoders];
vpx_codec_enc_cfg_t cfg[kNumEncoders];
vpx_image_t raw[kNumEncoders];
const VpxInterface *const encoder = get_vpx_encoder_by_name("vp8");
// Currently, only realtime mode is supported in multi-resolution encoding.
const int arg_deadline = VPX_DL_REALTIME;
int i;
int width = 0;
int height = 0;
int frame_avail = 0;
int got_data = 0;
// Set show_psnr to 1/0 to show/not show PSNR. Choose show_psnr=0 if you
// don't need to know PSNR, which will skip PSNR calculation and save
// encoding time.
int show_psnr = 0;
uint64_t psnr_sse_total[kNumEncoders] = {0};
uint64_t psnr_samples_total[kNumEncoders] = {0};
double psnr_totals[kNumEncoders][4] = {{0, 0}};
int psnr_count[kNumEncoders] = {0};
// Set the required target bitrates for each resolution level.
// If target bitrate for highest-resolution level is set to 0,
// (i.e. target_bitrate[0]=0), we skip encoding at that level.
unsigned int target_bitrate[kNumEncoders] = {1000, 500, 100};
// Enter the frame rate of the input video.
const int framerate = 30;
// Set down-sampling factor for each resolution level.
// dsf[0] controls down sampling from level 0 to level 1;
// dsf[1] controls down sampling from level 1 to level 2;
// dsf[2] is not used.
vpx_rational_t dsf[kNumEncoders] = {{2, 1}, {2, 1}, {1, 1}};
exec_name = argv[0];
if (!encoder)
die("Unsupported codec.");
// exe_name, input width, input height, input file,
// output file 1, output file 2, output file 3, psnr on/off
if (argc != (5 + kNumEncoders))
die("Invalid number of input options.");
printf("Using %s\n", vpx_codec_iface_name(encoder->codec_interface()));
width = strtol(argv[1], NULL, 0);
height = strtol(argv[2], NULL, 0);
if (width < 16 || width % 2 || height < 16 || height % 2)
die("Invalid resolution: %ldx%ld", width, height);
// Open input video file for encoding
if (!(infile = fopen(argv[3], "rb")))
die("Failed to open %s for reading", argv[3]);
show_psnr = strtol(argv[kNumEncoders + 4], NULL, 0);
// Populate default encoder configuration
for (i = 0; i < kNumEncoders; ++i) {
vpx_codec_err_t res =
vpx_codec_enc_config_default(encoder->codec_interface(), &cfg[i], 0);
if (res != VPX_CODEC_OK) {
printf("Failed to get config: %s\n", vpx_codec_err_to_string(res));
return EXIT_FAILURE;
}
}
// Update the default configuration according to needs of the application.
// Highest-resolution encoder settings
cfg[0].g_w = width;
cfg[0].g_h = height;
cfg[0].g_threads = 1;
cfg[0].rc_dropframe_thresh = 30;
cfg[0].rc_end_usage = VPX_CBR;
cfg[0].rc_resize_allowed = 0;
cfg[0].rc_min_quantizer = 4;
cfg[0].rc_max_quantizer = 56;
cfg[0].rc_undershoot_pct = 98;
cfg[0].rc_overshoot_pct = 100;
cfg[0].rc_buf_initial_sz = 500;
cfg[0].rc_buf_optimal_sz = 600;
cfg[0].rc_buf_sz = 1000;
cfg[0].g_error_resilient = 1;
cfg[0].g_lag_in_frames = 0;
cfg[0].kf_mode = VPX_KF_AUTO; // VPX_KF_DISABLED
cfg[0].kf_min_dist = 3000;
cfg[0].kf_max_dist = 3000;
cfg[0].rc_target_bitrate = target_bitrate[0];
cfg[0].g_timebase.num = 1;
cfg[0].g_timebase.den = framerate;
// Other-resolution encoder settings
for (i = 1; i < kNumEncoders; ++i) {
cfg[i] = cfg[0];
cfg[i].g_threads = 1;
cfg[i].rc_target_bitrate = target_bitrate[i];
// Note: Width & height of other-resolution encoders are calculated
// from the highest-resolution encoder's size and the corresponding
// down_sampling_factor.
{ {
unsigned char *ptr; unsigned int iw = cfg[i - 1].g_w * dsf[i - 1].den + dsf[i - 1].num - 1;
int w = (plane ? (1 + img->d_w) / 2 : img->d_w); unsigned int ih = cfg[i - 1].g_h * dsf[i - 1].den + dsf[i - 1].num - 1;
int h = (plane ? (1 + img->d_h) / 2 : img->d_h); cfg[i].g_w = iw / dsf[i - 1].num;
int r; cfg[i].g_h = ih / dsf[i - 1].num;
}
/* Determine the correct plane based on the image format. The for-loop // Make width & height to be multiplier of 2.
* always counts in Y,U,V order, but this may not match the order of if ((cfg[i].g_w) % 2)
* the data on disk. cfg[i].g_w++;
*/
switch (plane) if ((cfg[i].g_h) % 2)
{ cfg[i].g_h++;
case 1: }
ptr = img->planes[img->fmt==VPX_IMG_FMT_YV12? VPX_PLANE_V : VPX_PLANE_U];
// Open output file for each encoder to output bitstreams
for (i = 0; i < kNumEncoders; ++i) {
VpxVideoInfo info = {
encoder->fourcc,
cfg[i].g_w,
cfg[i].g_h,
{cfg[i].g_timebase.num, cfg[i].g_timebase.den}
};
if (!(writers[i] = vpx_video_writer_open(argv[i+4], kContainerIVF, &info)))
die("Failed to open %s for writing", argv[i+4]);
}
// Allocate image for each encoder
for (i = 0; i < kNumEncoders; ++i)
if (!vpx_img_alloc(&raw[i], VPX_IMG_FMT_I420, cfg[i].g_w, cfg[i].g_h, 32))
die("Failed to allocate image", cfg[i].g_w, cfg[i].g_h);
// Initialize multi-encoder
if (vpx_codec_enc_init_multi(&codec[0], encoder->codec_interface(), &cfg[0],
kNumEncoders,
show_psnr ? VPX_CODEC_USE_PSNR : 0, &dsf[0]))
die_codec(&codec[0], "Failed to initialize encoder");
// The extra encoding configuration parameters can be set as follows.
for (i = 0; i < kNumEncoders; i++) {
// Set encoding speed
if (vpx_codec_control(&codec[i], VP8E_SET_CPUUSED, -6))
die_codec(&codec[i], "Failed to set cpu_used");
// Set static threshold.
if (vpx_codec_control(&codec[i], VP8E_SET_STATIC_THRESHOLD, 1))
die_codec(&codec[i], "Failed to set static threshold");
// Set NOISE_SENSITIVITY to do TEMPORAL_DENOISING
// Enable denoising for the highest-resolution encoder.
if (vpx_codec_control(&codec[0], VP8E_SET_NOISE_SENSITIVITY, i == 0))
die_codec(&codec[0], "Failed to set noise_sensitivity");
}
frame_avail = 1;
got_data = 0;
while (frame_avail || got_data) {
vpx_codec_iter_t iter[kNumEncoders] = {NULL};
const vpx_codec_cx_pkt_t *pkt[kNumEncoders];
frame_avail = vpx_img_read(&raw[0], infile);
if (frame_avail) {
for (i = 1; i < kNumEncoders; ++i) {
vpx_image_t *const prev = &raw[i - 1];
// Scale the image down a number of times by downsampling factor
// FilterMode 1 or 2 give better psnr than FilterMode 0.
I420Scale(prev->planes[VPX_PLANE_Y], prev->stride[VPX_PLANE_Y],
prev->planes[VPX_PLANE_U], prev->stride[VPX_PLANE_U],
prev->planes[VPX_PLANE_V], prev->stride[VPX_PLANE_V],
prev->d_w, prev->d_h,
raw[i].planes[VPX_PLANE_Y], raw[i].stride[VPX_PLANE_Y],
raw[i].planes[VPX_PLANE_U], raw[i].stride[VPX_PLANE_U],
raw[i].planes[VPX_PLANE_V], raw[i].stride[VPX_PLANE_V],
raw[i].d_w, raw[i].d_h, 1);
}
}
// Encode frame.
if (vpx_codec_encode(&codec[0], frame_avail? &raw[0] : NULL,
frame_cnt, 1, 0, arg_deadline)) {
die_codec(&codec[0], "Failed to encode frame");
}
for (i = kNumEncoders - 1; i >= 0; i--) {
got_data = 0;
while ((pkt[i] = vpx_codec_get_cx_data(&codec[i], &iter[i]))) {
got_data = 1;
switch (pkt[i]->kind) {
case VPX_CODEC_CX_FRAME_PKT:
vpx_video_writer_write_frame(writers[i], pkt[i]->data.frame.buf,
pkt[i]->data.frame.sz, frame_cnt - 1);
break;
case VPX_CODEC_PSNR_PKT:
if (show_psnr) {
int j;
psnr_sse_total[i] += pkt[i]->data.psnr.sse[0];
psnr_samples_total[i] += pkt[i]->data.psnr.samples[0];
for (j = 0; j < 4; j++)
psnr_totals[i][j] += pkt[i]->data.psnr.psnr[j];
psnr_count[i]++;
}
break; break;
case 2: default:
ptr = img->planes[img->fmt==VPX_IMG_FMT_YV12?VPX_PLANE_U : VPX_PLANE_V];
break; break;
default:
ptr = img->planes[plane];
} }
printf(pkt[i]->kind == VPX_CODEC_CX_FRAME_PKT &&
(pkt[i]->data.frame.flags & VPX_FRAME_IS_KEY)? "K":".");
fflush(stdout);
}
}
frame_cnt++;
}
printf("\n");
for (r = 0; r < h; r++) fclose(infile);
{
to_read = w;
nbytes = fread(ptr, 1, to_read, f); printf("Processed %d frames.\n", frame_cnt - 1);
if(nbytes != to_read) { for (i = 0; i < kNumEncoders; ++i) {
res = 0; // Calculate PSNR and print it out
if(nbytes > 0) if (show_psnr && psnr_count[i] > 0) {
printf("Warning: Read partial frame. Check your width & height!\n"); int j;
break; double ovpsnr = sse_to_psnr(psnr_samples_total[i], 255.0,
} psnr_sse_total[i]);
ptr += img->stride[plane]; fprintf(stderr, "\n ENC%d PSNR (Overall/Avg/Y/U/V)", i);
} fprintf(stderr, " %.3lf", ovpsnr);
if (!res) for (j = 0; j < 4; j++)
break; fprintf(stderr, " %.3lf", psnr_totals[i][j]/psnr_count[i]);
} }
return res; if (vpx_codec_destroy(&codec[i]))
} die_codec(&codec[i], "Failed to destroy codec");
static void write_ivf_file_header(FILE *outfile, vpx_img_free(&raw[i]);
const vpx_codec_enc_cfg_t *cfg, vpx_video_writer_close(writers[i]);
int frame_cnt) { }
char header[32]; printf("\n");
if(cfg->g_pass != VPX_RC_ONE_PASS && cfg->g_pass != VPX_RC_LAST_PASS) return EXIT_SUCCESS;
return;
header[0] = 'D';
header[1] = 'K';
header[2] = 'I';
header[3] = 'F';
mem_put_le16(header+4, 0); /* version */
mem_put_le16(header+6, 32); /* headersize */
mem_put_le32(header+8, fourcc); /* headersize */
mem_put_le16(header+12, cfg->g_w); /* width */
mem_put_le16(header+14, cfg->g_h); /* height */
mem_put_le32(header+16, cfg->g_timebase.den); /* rate */
mem_put_le32(header+20, cfg->g_timebase.num); /* scale */
mem_put_le32(header+24, frame_cnt); /* length */
mem_put_le32(header+28, 0); /* unused */
(void) fwrite(header, 1, 32, outfile);
}
static void write_ivf_frame_header(FILE *outfile,
const vpx_codec_cx_pkt_t *pkt)
{
char header[12];
vpx_codec_pts_t pts;
if(pkt->kind != VPX_CODEC_CX_FRAME_PKT)
return;
pts = pkt->data.frame.pts;
mem_put_le32(header, pkt->data.frame.sz);
mem_put_le32(header+4, pts&0xFFFFFFFF);
mem_put_le32(header+8, pts >> 32);
(void) fwrite(header, 1, 12, outfile);
}
int main(int argc, char **argv)
{
FILE *infile, *outfile[NUM_ENCODERS];
vpx_codec_ctx_t codec[NUM_ENCODERS];
vpx_codec_enc_cfg_t cfg[NUM_ENCODERS];
vpx_codec_pts_t frame_cnt = 0;
vpx_image_t raw[NUM_ENCODERS];
vpx_codec_err_t res[NUM_ENCODERS];
int i;
long width;
long height;
int frame_avail;
int got_data;
int flags = 0;
/*Currently, only realtime mode is supported in multi-resolution encoding.*/
int arg_deadline = VPX_DL_REALTIME;
/* Set show_psnr to 1/0 to show/not show PSNR. Choose show_psnr=0 if you
don't need to know PSNR, which will skip PSNR calculation and save
encoding time. */
int show_psnr = 0;
uint64_t psnr_sse_total[NUM_ENCODERS] = {0};
uint64_t psnr_samples_total[NUM_ENCODERS] = {0};
double psnr_totals[NUM_ENCODERS][4] = {{0,0}};
int psnr_count[NUM_ENCODERS] = {0};
/* Set the required target bitrates for each resolution level.
* If target bitrate for highest-resolution level is set to 0,
* (i.e. target_bitrate[0]=0), we skip encoding at that level.
*/
unsigned int target_bitrate[NUM_ENCODERS]={1000, 500, 100};
/* Enter the frame rate of the input video */
int framerate = 30;
/* Set down-sampling factor for each resolution level.
dsf[0] controls down sampling from level 0 to level 1;
dsf[1] controls down sampling from level 1 to level 2;
dsf[2] is not used. */
vpx_rational_t dsf[NUM_ENCODERS] = {{2, 1}, {2, 1}, {1, 1}};
if(argc!= (5+NUM_ENCODERS))
die("Usage: %s <width> <height> <infile> <outfile(s)> <output psnr?>\n",
argv[0]);
printf("Using %s\n",vpx_codec_iface_name(interface));
width = strtol(argv[1], NULL, 0);
height = strtol(argv[2], NULL, 0);
if(width < 16 || width%2 || height <16 || height%2)
die("Invalid resolution: %ldx%ld", width, height);
/* Open input video file for encoding */
if(!(infile = fopen(argv[3], "rb")))
die("Failed to open %s for reading", argv[3]);
/* Open output file for each encoder to output bitstreams */
for (i=0; i< NUM_ENCODERS; i++)
{
if(!target_bitrate[i])
{
outfile[i] = NULL;
continue;
}
if(!(outfile[i] = fopen(argv[i+4], "wb")))
die("Failed to open %s for writing", argv[i+4]);
}
show_psnr = strtol(argv[NUM_ENCODERS + 4], NULL, 0);
/* Populate default encoder configuration */
for (i=0; i< NUM_ENCODERS; i++)
{
res[i] = vpx_codec_enc_config_default(interface, &cfg[i], 0);
if(res[i]) {
printf("Failed to get config: %s\n", vpx_codec_err_to_string(res[i]));
return EXIT_FAILURE;
}
}
/*
* Update the default configuration according to needs of the application.
*/
/* Highest-resolution encoder settings */
cfg[0].g_w = width;
cfg[0].g_h = height;
cfg[0].g_threads = 1; /* number of threads used */
cfg[0].rc_dropframe_thresh = 30;
cfg[0].rc_end_usage = VPX_CBR;
cfg[0].rc_resize_allowed = 0;
cfg[0].rc_min_quantizer = 4;
cfg[0].rc_max_quantizer = 56;
cfg[0].rc_undershoot_pct = 98;
cfg[0].rc_overshoot_pct = 100;
cfg[0].rc_buf_initial_sz = 500;
cfg[0].rc_buf_optimal_sz = 600;
cfg[0].rc_buf_sz = 1000;
cfg[0].g_error_resilient = 1; /* Enable error resilient mode */
cfg[0].g_lag_in_frames = 0;
/* Disable automatic keyframe placement */
/* Note: These 3 settings are copied to all levels. But, except the lowest
* resolution level, all other levels are set to VPX_KF_DISABLED internally.
*/
//cfg[0].kf_mode = VPX_KF_DISABLED;
cfg[0].kf_mode = VPX_KF_AUTO;
cfg[0].kf_min_dist = 3000;
cfg[0].kf_max_dist = 3000;
cfg[0].rc_target_bitrate = target_bitrate[0]; /* Set target bitrate */
cfg[0].g_timebase.num = 1; /* Set fps */
cfg[0].g_timebase.den = framerate;
/* Other-resolution encoder settings */
for (i=1; i< NUM_ENCODERS; i++)
{
memcpy(&cfg[i], &cfg[0], sizeof(vpx_codec_enc_cfg_t));
cfg[i].g_threads = 1; /* number of threads used */
cfg[i].rc_target_bitrate = target_bitrate[i];
/* Note: Width & height of other-resolution encoders are calculated
* from the highest-resolution encoder's size and the corresponding
* down_sampling_factor.
*/
{
unsigned int iw = cfg[i-1].g_w*dsf[i-1].den + dsf[i-1].num - 1;
unsigned int ih = cfg[i-1].g_h*dsf[i-1].den + dsf[i-1].num - 1;
cfg[i].g_w = iw/dsf[i-1].num;
cfg[i].g_h = ih/dsf[i-1].num;
}
/* Make width & height to be multiplier of 2. */
// Should support odd size ???
if((cfg[i].g_w)%2)cfg[i].g_w++;
if((cfg[i].g_h)%2)cfg[i].g_h++;
}
/* Allocate image for each encoder */
for (i=0; i< NUM_ENCODERS; i++)
if(!vpx_img_alloc(&raw[i], VPX_IMG_FMT_I420, cfg[i].g_w, cfg[i].g_h, 32))
die("Failed to allocate image", cfg[i].g_w, cfg[i].g_h);
if (raw[0].stride[VPX_PLANE_Y] == raw[0].d_w)
read_frame_p = read_frame;
else
read_frame_p = read_frame_by_row;
for (i=0; i< NUM_ENCODERS; i++)
if(outfile[i])
write_ivf_file_header(outfile[i], &cfg[i], 0);
/* Initialize multi-encoder */
if(vpx_codec_enc_init_multi(&codec[0], interface, &cfg[0], NUM_ENCODERS,
(show_psnr ? VPX_CODEC_USE_PSNR : 0), &dsf[0]))
die_codec(&codec[0], "Failed to initialize encoder");
/* The extra encoding configuration parameters can be set as follows. */
/* Set encoding speed */
for ( i=0; i<NUM_ENCODERS; i++)
{
int speed = -6;
if(vpx_codec_control(&codec[i], VP8E_SET_CPUUSED, speed))
die_codec(&codec[i], "Failed to set cpu_used");
}
/* Set static threshold. */
for ( i=0; i<NUM_ENCODERS; i++)
{
unsigned int static_thresh = 1;
if(vpx_codec_control(&codec[i], VP8E_SET_STATIC_THRESHOLD, static_thresh))
die_codec(&codec[i], "Failed to set static threshold");
}
/* Set NOISE_SENSITIVITY to do TEMPORAL_DENOISING */
/* Enable denoising for the highest-resolution encoder. */
if(vpx_codec_control(&codec[0], VP8E_SET_NOISE_SENSITIVITY, 1))
die_codec(&codec[0], "Failed to set noise_sensitivity");
for ( i=1; i< NUM_ENCODERS; i++)
{
if(vpx_codec_control(&codec[i], VP8E_SET_NOISE_SENSITIVITY, 0))
die_codec(&codec[i], "Failed to set noise_sensitivity");
}
frame_avail = 1;
got_data = 0;
while(frame_avail || got_data)
{
vpx_codec_iter_t iter[NUM_ENCODERS]={NULL};
const vpx_codec_cx_pkt_t *pkt[NUM_ENCODERS];
flags = 0;
frame_avail = read_frame_p(infile, &raw[0]);
if(frame_avail)
{
for ( i=1; i<NUM_ENCODERS; i++)
{
/*Scale the image down a number of times by downsampling factor*/
/* FilterMode 1 or 2 give better psnr than FilterMode 0. */
I420Scale(raw[i-1].planes[VPX_PLANE_Y], raw[i-1].stride[VPX_PLANE_Y],
raw[i-1].planes[VPX_PLANE_U], raw[i-1].stride[VPX_PLANE_U],
raw[i-1].planes[VPX_PLANE_V], raw[i-1].stride[VPX_PLANE_V],
raw[i-1].d_w, raw[i-1].d_h,
raw[i].planes[VPX_PLANE_Y], raw[i].stride[VPX_PLANE_Y],
raw[i].planes[VPX_PLANE_U], raw[i].stride[VPX_PLANE_U],
raw[i].planes[VPX_PLANE_V], raw[i].stride[VPX_PLANE_V],
raw[i].d_w, raw[i].d_h, 1);
}
}
/* Encode each frame at multi-levels */
if(vpx_codec_encode(&codec[0], frame_avail? &raw[0] : NULL,
frame_cnt, 1, flags, arg_deadline))
die_codec(&codec[0], "Failed to encode frame");
for (i=NUM_ENCODERS-1; i>=0 ; i--)
{
got_data = 0;
while( (pkt[i] = vpx_codec_get_cx_data(&codec[i], &iter[i])) )
{
got_data = 1;
switch(pkt[i]->kind) {
case VPX_CODEC_CX_FRAME_PKT:
write_ivf_frame_header(outfile[i], pkt[i]);
(void) fwrite(pkt[i]->data.frame.buf, 1,
pkt[i]->data.frame.sz, outfile[i]);
break;
case VPX_CODEC_PSNR_PKT:
if (show_psnr)
{
int j;
psnr_sse_total[i] += pkt[i]->data.psnr.sse[0];
psnr_samples_total[i] += pkt[i]->data.psnr.samples[0];
for (j = 0; j < 4; j++)
{
//fprintf(stderr, "%.3lf ", pkt[i]->data.psnr.psnr[j]);
psnr_totals[i][j] += pkt[i]->data.psnr.psnr[j];
}
psnr_count[i]++;
}
break;
default:
break;
}
printf(pkt[i]->kind == VPX_CODEC_CX_FRAME_PKT
&& (pkt[i]->data.frame.flags & VPX_FRAME_IS_KEY)? "K":".");
fflush(stdout);
}
}
frame_cnt++;
}
printf("\n");
fclose(infile);
printf("Processed %ld frames.\n",(long int)frame_cnt-1);
for (i=0; i< NUM_ENCODERS; i++)
{
/* Calculate PSNR and print it out */
if ( (show_psnr) && (psnr_count[i]>0) )
{
int j;
double ovpsnr = sse_to_psnr(psnr_samples_total[i], 255.0,
psnr_sse_total[i]);
fprintf(stderr, "\n ENC%d PSNR (Overall/Avg/Y/U/V)", i);
fprintf(stderr, " %.3lf", ovpsnr);
for (j = 0; j < 4; j++)
{
fprintf(stderr, " %.3lf", psnr_totals[i][j]/psnr_count[i]);
}
}
if(vpx_codec_destroy(&codec[i]))
die_codec(&codec[i], "Failed to destroy codec");
vpx_img_free(&raw[i]);
if(!outfile[i])
continue;
/* Try to rewrite the file header with the actual frame count */
if(!fseek(outfile[i], 0, SEEK_SET))
write_ivf_file_header(outfile[i], &cfg[i], frame_cnt-1);
fclose(outfile[i]);
}
printf("\n");
return EXIT_SUCCESS;
} }