17#include "vp9/common/vp9_common.h" 
   19#include "../tools_common.h" 
   20#include "../video_writer.h" 
   22static const char *exec_name;
 
   24void usage_exit(
void) {
 
   26          "vp9_lossless_encoder: Example demonstrating VP9 lossless " 
   27          "encoding feature. Supports raw input only.\n");
 
   28  fprintf(stderr, 
"Usage: %s <width> <height> <infile> <outfile>\n", exec_name);
 
   33                        int frame_index, 
int flags, VpxVideoWriter *writer) {
 
   39  if (res != 
VPX_CODEC_OK) die_codec(codec, 
"Failed to encode frame");
 
   46      if (!vpx_video_writer_write_frame(writer, pkt->
data.
frame.
buf,
 
   49        die_codec(codec, 
"Failed to write compressed frame");
 
   51      printf(keyframe ? 
"K" : 
".");
 
   59int main(
int argc, 
char **argv) {
 
   67  VpxVideoWriter *writer = NULL;
 
   68  const VpxInterface *encoder = NULL;
 
   75  if (argc < 5) die(
"Invalid number of arguments");
 
   77  encoder = get_vpx_encoder_by_name(
"vp9");
 
   78  if (!encoder) die(
"Unsupported codec.");
 
   80  info.codec_fourcc = encoder->fourcc;
 
   81  info.frame_width = (int)strtol(argv[1], NULL, 0);
 
   82  info.frame_height = (int)strtol(argv[2], NULL, 0);
 
   83  info.time_base.numerator = 1;
 
   84  info.time_base.denominator = fps;
 
   86  if (info.frame_width <= 0 || info.frame_height <= 0 ||
 
   87      (info.frame_width % 2) != 0 || (info.frame_height % 2) != 0) {
 
   88    die(
"Invalid frame size: %dx%d", info.frame_width, info.frame_height);
 
   92                     info.frame_height, 1)) {
 
   93    die(
"Failed to allocate image.");
 
   99  if (res) die_codec(&codec, 
"Failed to get default codec config.");
 
  101  cfg.
g_w = info.frame_width;
 
  102  cfg.
g_h = info.frame_height;
 
  106  writer = vpx_video_writer_open(argv[4], kContainerIVF, &info);
 
  107  if (!writer) die(
"Failed to open %s for writing.", argv[4]);
 
  109  if (!(infile = fopen(argv[3], 
"rb")))
 
  110    die(
"Failed to open %s for reading.", argv[3]);
 
  113    die(
"Failed to initialize encoder");
 
  116    die_codec(&codec, 
"Failed to use lossless mode");
 
  119  while (vpx_img_read(&raw, infile)) {
 
  120    encode_frame(&codec, &raw, frame_count++, 0, writer);
 
  124  while (encode_frame(&codec, NULL, -1, 0, writer)) {
 
  129  printf(
"Processed %d frames.\n", frame_count);
 
  134  vpx_video_writer_close(writer);
 
vpx_codec_err_t vpx_codec_destroy(vpx_codec_ctx_t *ctx)
Destroy a codec instance.
const void * vpx_codec_iter_t
Iterator.
Definition vpx_codec.h:190
const char * vpx_codec_iface_name(vpx_codec_iface_t *iface)
Return the name for a given interface.
vpx_codec_err_t
Algorithm return codes.
Definition vpx_codec.h:93
vpx_codec_err_t vpx_codec_control_(vpx_codec_ctx_t *ctx, int ctrl_id,...)
Control algorithm.
@ VPX_CODEC_OK
Operation completed without error.
Definition vpx_codec.h:95
#define vpx_codec_enc_init(ctx, iface, cfg, flags)
Convenience macro for vpx_codec_enc_init_ver()
Definition vpx_encoder.h:900
#define VPX_DL_GOOD_QUALITY
deadline parameter analogous to VPx GOOD QUALITY mode.
Definition vpx_encoder.h:1006
const vpx_codec_cx_pkt_t * vpx_codec_get_cx_data(vpx_codec_ctx_t *ctx, vpx_codec_iter_t *iter)
Encoded data iterator.
#define VPX_FRAME_IS_KEY
Definition vpx_encoder.h:123
vpx_codec_err_t vpx_codec_enc_config_default(vpx_codec_iface_t *iface, vpx_codec_enc_cfg_t *cfg, unsigned int usage)
Get a default configuration.
vpx_codec_err_t vpx_codec_encode(vpx_codec_ctx_t *ctx, const vpx_image_t *img, vpx_codec_pts_t pts, unsigned long duration, vpx_enc_frame_flags_t flags, vpx_enc_deadline_t deadline)
Encode a frame.
@ VPX_CODEC_CX_FRAME_PKT
Definition vpx_encoder.h:155
@ VP9E_SET_LOSSLESS
Codec control function to set lossless encoding mode.
Definition vp8cx.h:345
Codec context structure.
Definition vpx_codec.h:200
Encoder output packet.
Definition vpx_encoder.h:167
vpx_codec_frame_flags_t flags
Definition vpx_encoder.h:177
enum vpx_codec_cx_pkt_kind kind
Definition vpx_encoder.h:168
struct vpx_codec_cx_pkt::@1::@2 frame
size_t sz
Definition vpx_encoder.h:172
void * buf
Definition vpx_encoder.h:171
vpx_codec_pts_t pts
time stamp to show frame (in timebase units)
Definition vpx_encoder.h:174
union vpx_codec_cx_pkt::@1 data
Encoder configuration structure.
Definition vpx_encoder.h:276
unsigned int g_h
Height of the frame.
Definition vpx_encoder.h:321
unsigned int g_w
Width of the frame.
Definition vpx_encoder.h:312
struct vpx_rational g_timebase
Stream timebase units.
Definition vpx_encoder.h:351
Image Descriptor.
Definition vpx_image.h:76
int den
Definition vpx_encoder.h:228
int num
Definition vpx_encoder.h:227
Provides definitions for using VP8 or VP9 encoder algorithm within the vpx Codec Interface.
Describes the encoder algorithm interface to applications.
vpx_image_t * vpx_img_alloc(vpx_image_t *img, vpx_img_fmt_t fmt, unsigned int d_w, unsigned int d_h, unsigned int align)
Open a descriptor, allocating storage for the underlying image.
@ VPX_IMG_FMT_I420
Definition vpx_image.h:42
void vpx_img_free(vpx_image_t *img)
Close an image descriptor.