static void mp_msg_av_log_callback(void *ptr, int level, const char *fmt,
va_list vl)
{
AVClass *avc = ptr ? *(AVClass **)ptr : NULL;
int mp_level = av_log_level_to_mp_level(level);
// Note: mp_log is thread-safe, but destruction of the log instances is not.
pthread_mutex_lock(&log_lock);
if (!log_mpv_instance) {
pthread_mutex_unlock(&log_lock);
// Fallback to stderr
vfprintf(stderr, fmt, vl);
return;
}
struct mp_log *log = get_av_log(ptr);
if (mp_msg_test(log, mp_level)) {
if (log_print_prefix)
mp_msg(log, mp_level, "%s: ", avc ? avc->item_name(ptr) : "?");
log_print_prefix = fmt[strlen(fmt) - 1] == '\n';
mp_msg_va(log, mp_level, fmt, vl);
}
pthread_mutex_unlock(&log_lock);
}
static void mp_msg_av_log_callback(void *ptr, int level, const char *fmt,
va_list vl)
{
AVClass *avc = ptr ? *(AVClass **)ptr : NULL;
int mp_level = av_log_level_to_mp_level(level);
// Note: mp_log is thread-safe, but destruction of the log instances is not.
pthread_mutex_lock(&log_lock);
if (!log_mpv_instance) {
pthread_mutex_unlock(&log_lock);
// Fallback to stderr
vfprintf(stderr, fmt, vl);
return;
}
struct mp_log *log = get_av_log(ptr);
if (mp_msg_test(log, mp_level)) {
char buffer[4096] = "";
int pos = 0;
const char *prefix = avc ? avc->item_name(ptr) : NULL;
if (log_print_prefix && prefix)
pos = snprintf(buffer, sizeof(buffer), "%s: ", prefix);
log_print_prefix = fmt[strlen(fmt) - 1] == '\n';
pos = MPMIN(MPMAX(pos, 0), sizeof(buffer));
vsnprintf(buffer + pos, sizeof(buffer) - pos, fmt, vl);
mp_msg(log, mp_level, "%s", buffer);
}
pthread_mutex_unlock(&log_lock);
}
