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Commit 49b4b72b authored by Dmitry Kovalev's avatar Dmitry Kovalev Committed by Gerrit Code Review
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Merge "Adapting vp8_set_maps.c example to use new APIs."

parents afad1a84 8837b022
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examples.mk
View file @ 49b4b72b
......@@ -137,6 +137,10 @@ error_resilient.GUID = DF5837B9-4145-4F92-A031-44E4F832E00C
error_resilient.DESCRIPTION = Error Resiliency Feature
EXAMPLES-$(CONFIG_VP8_ENCODER) += vp8_set_maps.c
vp8_set_maps.SRCS += ivfenc.h ivfenc.c
vp8_set_maps.SRCS += tools_common.h tools_common.c
vp8_set_maps.SRCS += video_common.h
vp8_set_maps.SRCS += video_writer.h video_writer.c
vp8_set_maps.GUID = ECB2D24D-98B8-4015-A465-A4AF3DCC145F
vp8_set_maps.DESCRIPTION = VP8 set active and ROI maps
EXAMPLES-$(CONFIG_VP8_ENCODER) += vp8cx_set_ref.c
......
examples/vp8_set_maps.c
View file @ 49b4b72b
......@@ -44,253 +44,197 @@
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#define VPX_CODEC_DISABLE_COMPAT 1
#include "vpx/vpx_encoder.h"
#include "vpx/vp8cx.h"
#define interface (vpx_codec_vp8_cx())
#define fourcc 0x30385056
#include "vpx/vpx_encoder.h"
#define IVF_FILE_HDR_SZ (32)
#define IVF_FRAME_HDR_SZ (12)
#include "./tools_common.h"
#include "./video_writer.h"
static void mem_put_le16(char *mem, unsigned int val) {
mem[0] = val;
mem[1] = val>>8;
}
static const char *exec_name;
static void mem_put_le32(char *mem, unsigned int val) {
mem[0] = val;
mem[1] = val>>8;
mem[2] = val>>16;
mem[3] = val>>24;
void usage_exit() {
fprintf(stderr, "Usage: %s <width> <height> <infile> <outfile>\n", exec_name);
exit(EXIT_FAILURE);
}
static void die(const char *fmt, ...) {
va_list ap;
static void set_roi_map(const vpx_codec_enc_cfg_t *cfg,
vpx_codec_ctx_t *codec) {
int i;
vpx_roi_map_t roi = {0};
va_start(ap, fmt);
vprintf(fmt, ap);
if(fmt[strlen(fmt)-1] != '\n')
printf("\n");
exit(EXIT_FAILURE);
}
roi.rows = cfg->g_h / 16;
roi.cols = cfg->g_w / 16;
static void die_codec(vpx_codec_ctx_t *ctx, const char *s) {
const char *detail = vpx_codec_error_detail(ctx);
roi.delta_q[0] = 0;
roi.delta_q[1] = -2;
roi.delta_q[2] = -4;
roi.delta_q[3] = -6;
printf("%s: %s\n", s, vpx_codec_error(ctx));
if(detail)
printf(" %s\n",detail);
exit(EXIT_FAILURE);
}
roi.delta_lf[0] = 0;
roi.delta_lf[1] = 1;
roi.delta_lf[2] = 2;
roi.delta_lf[3] = 3;
static int read_frame(FILE *f, vpx_image_t *img) {
size_t nbytes, to_read;
int res = 1;
roi.static_threshold[0] = 1500;
roi.static_threshold[1] = 1000;
roi.static_threshold[2] = 500;
roi.static_threshold[3] = 0;
to_read = img->w*img->h*3/2;
nbytes = fread(img->planes[0], 1, to_read, f);
if(nbytes != to_read) {
res = 0;
if(nbytes > 0)
printf("Warning: Read partial frame. Check your width & height!\n");
}
return res;
}
roi.roi_map = (uint8_t *)malloc(roi.rows * roi.cols);
for (i = 0; i < roi.rows * roi.cols; ++i)
roi.roi_map[i] = i % 4;
static void write_ivf_file_header(FILE *outfile,
const vpx_codec_enc_cfg_t *cfg,
int frame_cnt) {
char header[32];
if(cfg->g_pass != VPX_RC_ONE_PASS && cfg->g_pass != VPX_RC_LAST_PASS)
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);
if (vpx_codec_control(codec, VP8E_SET_ROI_MAP, &roi))
die_codec(codec, "Failed to set ROI map");
free(roi.roi_map);
}
static void set_active_map(const vpx_codec_enc_cfg_t *cfg,
vpx_codec_ctx_t *codec) {
int i;
vpx_active_map_t map = {0};
static void write_ivf_frame_header(FILE *outfile,
const vpx_codec_cx_pkt_t *pkt)
{
char header[12];
vpx_codec_pts_t pts;
map.rows = cfg->g_h / 16;
map.cols = cfg->g_w / 16;
if(pkt->kind != VPX_CODEC_CX_FRAME_PKT)
return;
map.active_map = (uint8_t *)malloc(map.rows * map.cols);
for (i = 0; i < map.rows * map.cols; ++i)
map.active_map[i] = i % 2;
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);
if (vpx_codec_control(codec, VP8E_SET_ACTIVEMAP, &map))
die_codec(codec, "Failed to set active map");
(void) fwrite(header, 1, 12, outfile);
free(map.active_map);
}
static void unset_active_map(const vpx_codec_enc_cfg_t *cfg,
vpx_codec_ctx_t *codec) {
vpx_active_map_t map = {0};
map.rows = cfg->g_h / 16;
map.cols = cfg->g_w / 16;
map.active_map = NULL;
if (vpx_codec_control(codec, VP8E_SET_ACTIVEMAP, &map))
die_codec(codec, "Failed to set active map");
}
static void encode_frame(vpx_codec_ctx_t *codec,
vpx_image_t *img,
int frame_index,
VpxVideoWriter *writer) {
vpx_codec_iter_t iter = NULL;
const vpx_codec_cx_pkt_t *pkt = NULL;
const vpx_codec_err_t res = vpx_codec_encode(codec, img, frame_index, 1, 0,
VPX_DL_GOOD_QUALITY);
if (res != VPX_CODEC_OK)
die_codec(codec, "Failed to encode frame");
while ((pkt = vpx_codec_get_cx_data(codec, &iter)) != NULL) {
if (pkt->kind == VPX_CODEC_CX_FRAME_PKT) {
const int keyframe = (pkt->data.frame.flags & VPX_FRAME_IS_KEY) != 0;
if (!vpx_video_writer_write_frame(writer,
pkt->data.frame.buf,
pkt->data.frame.sz,
pkt->data.frame.pts)) {
die_codec(codec, "Failed to write compressed frame");
}
printf(keyframe ? "K" : ".");
fflush(stdout);
}
}
}
int main(int argc, char **argv) {
FILE *infile, *outfile;
vpx_codec_ctx_t codec;
vpx_codec_enc_cfg_t cfg;
int frame_cnt = 0;
vpx_image_t raw;
vpx_codec_err_t res;
long width;
long height;
int frame_avail;
int got_data;
int flags = 0;
/* Open files */
if(argc!=5)
die("Usage: %s <width> <height> <infile> <outfile>\n", argv[0]);
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);
if(!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, width, height, 1))
die("Faile to allocate image", width, height);
if(!(outfile = fopen(argv[4], "wb")))
die("Failed to open %s for writing", argv[4]);
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;
FILE *infile = NULL;
vpx_codec_ctx_t codec = {0};
vpx_codec_enc_cfg_t cfg = {0};
int frame_count = 0;
vpx_image_t raw = {0};
vpx_codec_err_t res;
VpxVideoInfo info = {0};
VpxVideoWriter *writer = NULL;
const VpxInterface *encoder = NULL;
const int fps = 2; // TODO(dkovalev) add command line argument
const int bitrate = 200; // kbit/s TODO(dkovalev) add command line argument
exec_name = argv[0];
if (argc != 5)
die("Invalid number of arguments");
encoder = get_vpx_encoder_by_name("vp8"); // only vp8 for now
if (!encoder)
die("Unsupported codec.");
info.codec_fourcc = encoder->fourcc;
info.frame_width = strtol(argv[1], NULL, 0);
info.frame_height = strtol(argv[2], NULL, 0);
info.time_base.numerator = 1;
info.time_base.denominator = fps;
if (info.frame_width <= 0 ||
info.frame_height <= 0 ||
(info.frame_width % 2) != 0 ||
(info.frame_height % 2) != 0) {
die("Invalid frame size: %dx%d", info.frame_width, info.frame_height);
}
if (!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, info.frame_width,
info.frame_height, 1)) {
die("Failed to allocate image.");
}
printf("Using %s\n", vpx_codec_iface_name(encoder->interface()));
res = vpx_codec_enc_config_default(encoder->interface(), &cfg, 0);
if (res)
die_codec(&codec, "Failed to get default codec config.");
cfg.g_w = info.frame_width;
cfg.g_h = info.frame_height;
cfg.g_timebase.num = info.time_base.numerator;
cfg.g_timebase.den = info.time_base.denominator;
cfg.rc_target_bitrate = bitrate;
writer = vpx_video_writer_open(argv[4], kContainerIVF, &info);
if (!writer)
die("Failed to open %s for writing.", argv[4]);
if (!(infile = fopen(argv[3], "rb")))
die("Failed to open %s for reading.", argv[3]);
if (vpx_codec_enc_init(&codec, encoder->interface(), &cfg, 0))
die_codec(&codec, "Failed to initialize encoder");
while (vpx_img_read(&raw, infile)) {
++frame_count;
if (frame_count == 22) {
set_roi_map(&cfg, &codec);
} else if (frame_count == 33) {
set_active_map(&cfg, &codec);
} else if (frame_count == 44) {
unset_active_map(&cfg, &codec);
}
/* Update the default configuration with our settings */
cfg.rc_target_bitrate = width * height * cfg.rc_target_bitrate
/ cfg.g_w / cfg.g_h;
cfg.g_w = width;
cfg.g_h = height;
write_ivf_file_header(outfile, &cfg, 0);
/* Open input file for this encoding pass */
if(!(infile = fopen(argv[3], "rb")))
die("Failed to open %s for reading", argv[3]);
/* Initialize codec */
if(vpx_codec_enc_init(&codec, interface, &cfg, 0))
die_codec(&codec, "Failed to initialize encoder");
frame_avail = 1;
got_data = 0;
while(frame_avail || got_data) {
vpx_codec_iter_t iter = NULL;
const vpx_codec_cx_pkt_t *pkt;
if(frame_cnt + 1 == 22) {
vpx_roi_map_t roi;
unsigned int i;
roi.rows = cfg.g_h/16;
roi.cols = cfg.g_w/16;
roi.delta_q[0] = 0;
roi.delta_q[1] = -2;
roi.delta_q[2] = -4;
roi.delta_q[3] = -6;
roi.delta_lf[0] = 0;
roi.delta_lf[1] = 1;
roi.delta_lf[2] = 2;
roi.delta_lf[3] = 3;
roi.static_threshold[0] = 1500;
roi.static_threshold[1] = 1000;
roi.static_threshold[2] = 500;
roi.static_threshold[3] = 0;
/* generate an ROI map for example */
roi.roi_map = malloc(roi.rows * roi.cols);
for(i=0;i<roi.rows*roi.cols;i++)
roi.roi_map[i] = i & 3;
if(vpx_codec_control(&codec, VP8E_SET_ROI_MAP, &roi))
die_codec(&codec, "Failed to set ROI map");
free(roi.roi_map);
} else if(frame_cnt + 1 == 33) {
vpx_active_map_t active;
unsigned int i;
active.rows = cfg.g_h/16;
active.cols = cfg.g_w/16;
/* generate active map for example */
active.active_map = malloc(active.rows * active.cols);
for(i=0;i<active.rows*active.cols;i++)
active.active_map[i] = i & 1;
if(vpx_codec_control(&codec, VP8E_SET_ACTIVEMAP, &active))
die_codec(&codec, "Failed to set active map");
free(active.active_map);
} else if(frame_cnt + 1 == 44) {
vpx_active_map_t active;
active.rows = cfg.g_h/16;
active.cols = cfg.g_w/16;
/* pass in null map to disable active_map*/
active.active_map = NULL;
if(vpx_codec_control(&codec, VP8E_SET_ACTIVEMAP, &active))
die_codec(&codec, "Failed to set active map");
}
frame_avail = read_frame(infile, &raw);
if(vpx_codec_encode(&codec, frame_avail? &raw : NULL, frame_cnt,
1, flags, VPX_DL_REALTIME))
die_codec(&codec, "Failed to encode frame");
got_data = 0;
while( (pkt = vpx_codec_get_cx_data(&codec, &iter)) ) {
got_data = 1;
switch(pkt->kind) {
case VPX_CODEC_CX_FRAME_PKT:
write_ivf_frame_header(outfile, pkt);
(void) fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz,
outfile);
break;
default:
break;
}
printf(pkt->kind == VPX_CODEC_CX_FRAME_PKT
&& (pkt->data.frame.flags & VPX_FRAME_IS_KEY)? "K":".");
fflush(stdout);
}
frame_cnt++;
}
printf("\n");
fclose(infile);
printf("Processed %d frames.\n",frame_cnt-1);
vpx_img_free(&raw);
if(vpx_codec_destroy(&codec))
die_codec(&codec, "Failed to destroy codec");
/* Try to rewrite the file header with the actual frame count */
if(!fseek(outfile, 0, SEEK_SET))
write_ivf_file_header(outfile, &cfg, frame_cnt-1);
fclose(outfile);
return EXIT_SUCCESS;
encode_frame(&codec, &raw, frame_count, writer);
}
encode_frame(&codec, NULL, -1, writer);
printf("\n");
fclose(infile);
printf("Processed %d frames.\n", frame_count);
vpx_img_free(&raw);
if (vpx_codec_destroy(&codec))
die_codec(&codec, "Failed to destroy codec.");
vpx_video_writer_close(writer);
return EXIT_SUCCESS;
}
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