static const char *exec_name;
-void usage_exit() {
- fprintf(stderr, "Usage: %s <codec> <width> <height> <infile> <outfile>\n",
+void usage_exit(void) {
+ fprintf(stderr,
+ "Usage: %s <codec> <width> <height> <infile> <outfile> "
+ "<frame limit>\n",
exec_name);
exit(EXIT_FAILURE);
}
static vpx_fixed_buf_t pass0(vpx_image_t *raw,
FILE *infile,
const VpxInterface *encoder,
- const vpx_codec_enc_cfg_t *cfg) {
+ const vpx_codec_enc_cfg_t *cfg,
+ int max_frames) {
vpx_codec_ctx_t codec;
int frame_count = 0;
vpx_fixed_buf_t stats = {NULL, 0};
++frame_count;
get_frame_stats(&codec, raw, frame_count, 1, 0, VPX_DL_GOOD_QUALITY,
&stats);
+ if (max_frames > 0 && frame_count >= max_frames)
+ break;
}
// Flush encoder.
FILE *infile,
const char *outfile_name,
const VpxInterface *encoder,
- const vpx_codec_enc_cfg_t *cfg) {
+ const vpx_codec_enc_cfg_t *cfg,
+ int max_frames) {
VpxVideoInfo info = {
encoder->fourcc,
cfg->g_w,
while (vpx_img_read(raw, infile)) {
++frame_count;
encode_frame(&codec, raw, frame_count, 1, 0, VPX_DL_GOOD_QUALITY, writer);
+
+ if (max_frames > 0 && frame_count >= max_frames)
+ break;
}
// Flush encoder.
const char *const height_arg = argv[3];
const char *const infile_arg = argv[4];
const char *const outfile_arg = argv[5];
+ int max_frames = 0;
exec_name = argv[0];
- if (argc != 6)
+ if (argc != 7)
die("Invalid number of arguments.");
+ max_frames = strtol(argv[6], NULL, 0);
+
encoder = get_vpx_encoder_by_name(codec_arg);
if (!encoder)
die("Unsupported codec.");
// Pass 0
cfg.g_pass = VPX_RC_FIRST_PASS;
- stats = pass0(&raw, infile, encoder, &cfg);
+ stats = pass0(&raw, infile, encoder, &cfg, max_frames);
// Pass 1
rewind(infile);
cfg.g_pass = VPX_RC_LAST_PASS;
cfg.rc_twopass_stats_in = stats;
- pass1(&raw, infile, outfile_arg, encoder, &cfg);
+ pass1(&raw, infile, outfile_arg, encoder, &cfg, max_frames);
free(stats.buf);
vpx_img_free(&raw);