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ffmpeg: improve feedback when processing filtergraph events

This commit is contained in:
Stefano Sabatini 2011-09-24 13:57:26 +02:00
parent 68b897ef15
commit 01fbcc6fd6
1 changed files with 8 additions and 3 deletions
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11
ffmpeg.c
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@ -2412,14 +2412,17 @@ static int transcode(OutputFile *output_files, int nb_output_files,
if (key == 'c' || key == 'C'){
char buf[4096], target[64], command[256], arg[256] = {0};
double time;
int k;
int k, n = 0;
fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
i = 0;
while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
if (k > 0)
buf[i++] = k;
buf[i] = 0;
if (k > 0 && sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg) >= 3) {
if (k > 0 &&
(n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
target, time, command, arg);
for (i = 0; i < nb_output_streams; i++) {
ost = &output_streams[i];
if (ost->graph) {
@ -2433,7 +2436,9 @@ static int transcode(OutputFile *output_files, int nb_output_files,
}
}
} else {
fprintf(stderr, "Parse error\n");
av_log(NULL, AV_LOG_ERROR,
"Parse error, at least 3 arguments were expected, "
"only %d given in string '%s'\n", n, buf);
}
}
#endif