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Using video writer API from vp9_spatial_scalable_encoder.

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Change-Id: I6c2748bef22cdbbc9574d7a8dfc1ed55f4f6b05f
This commit is contained in:
Dmitry Kovalev 2014-02-12 11:23:49 -08:00
parent 3602c4312d
commit 14db3bf532
2 changed files with 26 additions and 22 deletions
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2
examples.mk
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@ -58,6 +58,8 @@ UTILS-$(CONFIG_VP9_ENCODER) += vp9_spatial_scalable_encoder.c
vp9_spatial_scalable_encoder.SRCS += args.c args.h
vp9_spatial_scalable_encoder.SRCS += ivfenc.c ivfenc.h
vp9_spatial_scalable_encoder.SRCS += tools_common.c tools_common.h
vp9_spatial_scalable_encoder.SRCS += video_common.h
vp9_spatial_scalable_encoder.SRCS += video_writer.h video_writer.c
vp9_spatial_scalable_encoder.GUID = 4A38598D-627D-4505-9C7B-D4020C84100D
vp9_spatial_scalable_encoder.DESCRIPTION = Spatial Scalable Encoder

46
vp9_spatial_scalable_encoder.c
View File

@ -18,9 +18,11 @@
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "./args.h"
#include "./ivfenc.h"
#include "./tools_common.h"
#include "./video_writer.h"
#include "vpx/svc_context.h"
#include "vpx/vp8cx.h"
#include "vpx/vpx_encoder.h"
@ -183,7 +185,8 @@ static void parse_command_line(int argc, const char **argv_,
int main(int argc, const char **argv) {
AppInput app_input = {0};
FILE *outfile;
VpxVideoWriter *writer = NULL;
VpxVideoInfo info = {0};
vpx_codec_ctx_t codec;
vpx_codec_enc_cfg_t enc_cfg;
SvcContext svc_ctx;
@ -206,15 +209,24 @@ int main(int argc, const char **argv) {
if (!(app_input.input_ctx.file = fopen(app_input.input_ctx.filename, "rb")))
die("Failed to open %s for reading\n", app_input.input_ctx.filename);
if (!(outfile = fopen(app_input.output_filename, "wb")))
die("Failed to open %s for writing\n", app_input.output_filename);
// Initialize codec
if (vpx_svc_init(&svc_ctx, &codec, vpx_codec_vp9_cx(), &enc_cfg) !=
VPX_CODEC_OK)
die("Failed to initialize encoder\n");
ivf_write_file_header(outfile, &enc_cfg, VP9_FOURCC, 0);
info.codec_fourcc = VP9_FOURCC;
info.time_base.numerator = enc_cfg.g_timebase.num;
info.time_base.denominator = enc_cfg.g_timebase.den;
if (vpx_svc_get_layer_resolution(&svc_ctx, svc_ctx.spatial_layers - 1,
(unsigned int *)&info.frame_width,
(unsigned int *)&info.frame_height) !=
VPX_CODEC_OK) {
die("Failed to get output resolution");
}
writer = vpx_video_writer_open(app_input.output_filename, kContainerIVF,
&info);
if (!writer)
die("Failed to open %s for writing\n", app_input.output_filename);
// skip initial frames
for (i = 0; i < app_input.frames_to_skip; ++i) {
@ -232,9 +244,10 @@ int main(int argc, const char **argv) {
die_codec(&codec, "Failed to encode frame");
}
if (vpx_svc_get_frame_size(&svc_ctx) > 0) {
ivf_write_frame_header(outfile, pts, vpx_svc_get_frame_size(&svc_ctx));
(void)fwrite(vpx_svc_get_buffer(&svc_ctx), 1,
vpx_svc_get_frame_size(&svc_ctx), outfile);
vpx_video_writer_write_frame(writer,
vpx_svc_get_buffer(&svc_ctx),
vpx_svc_get_frame_size(&svc_ctx),
pts);
}
++frame_cnt;
pts += frame_duration;
@ -245,19 +258,8 @@ int main(int argc, const char **argv) {
fclose(app_input.input_ctx.file);
if (vpx_codec_destroy(&codec)) die_codec(&codec, "Failed to destroy codec");
// rewrite the output file headers with the actual frame count, and
// resolution of the highest layer
if (!fseek(outfile, 0, SEEK_SET)) {
// get resolution of highest layer
if (VPX_CODEC_OK != vpx_svc_get_layer_resolution(&svc_ctx,
svc_ctx.spatial_layers - 1,
&enc_cfg.g_w,
&enc_cfg.g_h)) {
die("Failed to get output resolution");
}
ivf_write_file_header(outfile, &enc_cfg, VP9_FOURCC, frame_cnt);
}
fclose(outfile);
vpx_video_writer_close(writer);
vpx_img_free(&raw);
// display average size, psnr