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Add ffmpeg_remuxer

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This commit is contained in:
Kamil Trzcinski
2022-04-08 13:33:54 +02:00
parent 253628b61e
commit 3240fa9336
8 changed files with 311 additions and 247 deletions
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42
hw/v4l2.c
View File

@ -74,45 +74,3 @@ unsigned fourcc_to_stride(unsigned width, unsigned format)
E_LOG_PERROR(NULL, "Unknown format: %s", fourcc_to_string(format).buf);
}
}
int shrink_to_block(int size, int block)
{
return size / block * block;
}
uint64_t get_time_us(clockid_t clock, struct timespec *ts, struct timeval *tv, int64_t delays_us)
{
struct timespec now;
if (clock != CLOCK_FROM_PARAMS) {
clock_gettime(clock, &now);
} else if (ts) {
now = *ts;
} else if (tv) {
now.tv_sec = tv->tv_sec;
now.tv_nsec = tv->tv_usec * 1000;
} else {
return -1;
}
if (delays_us > 0) {
#define NS_IN_S (1000LL * 1000LL * 1000LL)
int64_t nsec = now.tv_nsec + delays_us * 1000LL;
now.tv_nsec = nsec % NS_IN_S;
now.tv_sec += nsec / NS_IN_S;
}
if (ts) {
*ts = now;
}
if (tv) {
tv->tv_sec = now.tv_sec;
tv->tv_usec = now.tv_nsec / 1000;
}
return now.tv_sec * 1000000LL + now.tv_nsec / 1000;
}
uint64_t get_monotonic_time_us(struct timespec *ts, struct timeval *tv)
{
return get_time_us(CLOCK_MONOTONIC, ts, tv, 0);
}

4
hw/v4l2.h
View File

@ -30,14 +30,10 @@ typedef struct {
char buf[10];
} fourcc_string;
#define CLOCK_FROM_PARAMS -1
fourcc_string fourcc_to_string(unsigned format);
unsigned fourcc_to_stride(unsigned width, unsigned format);
int xioctl(const char *name, int fd, int request, void *arg);
uint64_t get_monotonic_time_us(struct timespec *ts, struct timeval *tv);
uint64_t get_time_us(clockid_t clock, struct timespec *ts, struct timeval *tv, int64_t delays_us);
int shrink_to_block(int size, int block);
#define E_XIOCTL(dev, _fd, _request, _value, _msg, ...) do { \
int ret; \