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vo_gpu_next: implement ICC 3DLUT caching

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Relies on a new upstream API for adding save/load callbacks to the ICC
3DLUT generation parameters.

Closes: https://github.com/mpv-player/mpv/issues/10252
This commit is contained in:
Niklas Haas 2022-09-11 16:47:14 +02:00 committed by Niklas Haas
parent 7a6dc79e29
commit 30ca46259e
1 changed files with 65 additions and 0 deletions
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65
video/out/vo_gpu_next.c
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@ -1512,6 +1512,66 @@ static const struct pl_hook *load_hook(struct priv *p, const char *path)
return hook;
}
#if PL_API_VER >= 222
static stream_t *icc_open_cache(struct priv *p, uint64_t sig, int flags)
{
const struct gl_video_opts *opts = p->opts_cache->opts;
if (!opts->icc_opts->cache_dir || !opts->icc_opts->cache_dir[0])
return NULL;
char cache_name[16+1];
for (int i = 0; i < 16; i++) {
cache_name[i] = "0123456789ABCDEF"[sig & 0xF];
sig >>= 4;
}
cache_name[16] = '\0';
char *cache_dir = mp_get_user_path(NULL, p->global, opts->icc_opts->cache_dir);
char *path = mp_path_join(NULL, cache_dir, cache_name);
stream_t *stream = NULL;
if (flags & STREAM_WRITE) {
mp_mkdirp(cache_dir);
} else {
// Exit silently if the file does not exist
if (stat(path, &(struct stat) {0}) < 0)
goto done;
}
flags |= STREAM_ORIGIN_DIRECT | STREAM_LOCAL_FS_ONLY | STREAM_LESS_NOISE;
stream = stream_create(path, flags, NULL, p->global);
// fall through
done:
talloc_free(cache_dir);
talloc_free(path);
return stream;
}
static void icc_save(void *priv, uint64_t sig, const uint8_t *cache, size_t size)
{
struct priv *p = priv;
stream_t *s = icc_open_cache(p, sig, STREAM_WRITE);
if (!s)
return;
stream_write_buffer(s, (void *) cache, size);
free_stream(s);
}
static bool icc_load(void *priv, uint64_t sig, uint8_t *cache, size_t size)
{
struct priv *p = priv;
stream_t *s = icc_open_cache(p, sig, STREAM_READ);
if (!s)
return false;
int len = stream_read(s, cache, size);
free_stream(s);
return len == size;
}
#endif // PL_API_VER
static void update_icc_opts(struct priv *p, const struct mp_icc_opts *opts)
{
if (!opts)
@ -1533,6 +1593,11 @@ static void update_icc_opts(struct priv *p, const struct mp_icc_opts *opts)
p->icc.size_r = s_r;
p->icc.size_g = s_g;
p->icc.size_b = s_b;
#if PL_API_VER >= 222
p->icc.cache_priv = p;
p->icc.cache_save = icc_save;
p->icc.cache_load = icc_load;
#endif
if (!opts->profile || !opts->profile[0]) {
// No profile enabled, un-load any existing profiles