generic-library/vpx
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added the ablility to skip first n frames for vpxdec

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Change-Id: Id7d1f25078be92dd6cda246738ad6fb50579f555
This commit is contained in:
Yaowu Xu 2012-10-11 15:12:35 -07:00
parent 3121497041
commit c394ffc603
1 changed files with 15 additions and 1 deletions
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16
vpxdec.c
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@ -77,6 +77,8 @@ static const arg_def_t progressarg = ARG_DEF(NULL, "progress", 0,
"Show progress after each frame decodes"); "Show progress after each frame decodes");
static const arg_def_t limitarg = ARG_DEF(NULL, "limit", 1, static const arg_def_t limitarg = ARG_DEF(NULL, "limit", 1,
"Stop decoding after n frames"); "Stop decoding after n frames");
static const arg_def_t skiparg = ARG_DEF(NULL, "skip", 1,
"Skip the first n input frames");
static const arg_def_t postprocarg = ARG_DEF(NULL, "postproc", 0, static const arg_def_t postprocarg = ARG_DEF(NULL, "postproc", 0,
"Postprocess decoded frames"); "Postprocess decoded frames");
static const arg_def_t summaryarg = ARG_DEF(NULL, "summary", 0, static const arg_def_t summaryarg = ARG_DEF(NULL, "summary", 0,
@ -94,7 +96,7 @@ static const arg_def_t md5arg = ARG_DEF(NULL, "md5", 0,
#endif #endif
static const arg_def_t *all_args[] = { static const arg_def_t *all_args[] = {
&codecarg, &use_yv12, &use_i420, &flipuvarg, &noblitarg, &codecarg, &use_yv12, &use_i420, &flipuvarg, &noblitarg,
&progressarg, &limitarg, &postprocarg, &summaryarg, &outputfile, &progressarg, &limitarg, &skiparg, &postprocarg, &summaryarg, &outputfile,
&threadsarg, &verbosearg, &threadsarg, &verbosearg,
#if CONFIG_MD5 #if CONFIG_MD5
&md5arg, &md5arg,
@ -666,6 +668,7 @@ int main(int argc, const char **argv_) {
FILE *infile; FILE *infile;
int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0, do_md5 = 0, progress = 0; int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0, do_md5 = 0, progress = 0;
int stop_after = 0, postproc = 0, summary = 0, quiet = 1; int stop_after = 0, postproc = 0, summary = 0, quiet = 1;
int arg_skip = 0;
vpx_codec_iface_t *iface = NULL; vpx_codec_iface_t *iface = NULL;
unsigned int fourcc; unsigned int fourcc;
unsigned long dx_time = 0; unsigned long dx_time = 0;
@ -728,6 +731,8 @@ int main(int argc, const char **argv_) {
progress = 1; progress = 1;
else if (arg_match(&arg, &limitarg, argi)) else if (arg_match(&arg, &limitarg, argi))
stop_after = arg_parse_uint(&arg); stop_after = arg_parse_uint(&arg);
else if (arg_match(&arg, &skiparg, argi))
arg_skip = arg_parse_uint(&arg);
else if (arg_match(&arg, &postprocarg, argi)) else if (arg_match(&arg, &postprocarg, argi))
postproc = 1; postproc = 1;
else if (arg_match(&arg, &md5arg, argi)) else if (arg_match(&arg, &md5arg, argi))
@ -937,6 +942,15 @@ int main(int argc, const char **argv_) {
} }
#endif #endif
if(arg_skip)
fprintf(stderr, "Skiping first %d frames.\n", arg_skip);
while (arg_skip) {
if (read_frame(&input, &buf, &buf_sz, &buf_alloc_sz))
break;
arg_skip--;
}
/* Decode file */ /* Decode file */
while (!read_frame(&input, &buf, &buf_sz, &buf_alloc_sz)) { while (!read_frame(&input, &buf, &buf_sz, &buf_alloc_sz)) {
vpx_codec_iter_t iter = NULL; vpx_codec_iter_t iter = NULL;