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vaapi: Use libva2 message callbacks 

They are no longer global, so they work vaguely sensibly.
This commit is contained in:
Mark Thompson 2017-10-09 20:10:26 +01:00 committed by wm4
parent 81cf58c8c4
commit 2ecf240b1c
1 changed files with 29 additions and 3 deletions
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32
video/vaapi.c
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@ -40,9 +40,27 @@ int va_get_colorspace_flag(enum mp_csp csp)
return 0;
}
// VA message callbacks are global and do not have a context parameter, so it's
// impossible to know from which VADisplay they originate. Try to route them
// to existing mpv/libmpv instances within this process.
#if VA_CHECK_VERSION(1, 0, 0)
static void va_message_callback(void *context, const char *msg, int mp_level)
{
struct mp_vaapi_ctx *res = context;
mp_msg(res->log, mp_level, "libva: %s", msg);
}
static void va_error_callback(void *context, const char *msg)
{
va_message_callback(context, msg, MSGL_ERR);
}
static void va_info_callback(void *context, const char *msg)
{
va_message_callback(context, msg, MSGL_V);
}
#else
// Pre-libva2 VA message callbacks are global and do not have a context
// parameter, so it's impossible to know from which VADisplay they
// originate. Try to route them to existing mpv/libmpv instances within
// this process.
static pthread_mutex_t va_log_mutex = PTHREAD_MUTEX_INITIALIZER;
static struct mp_vaapi_ctx **va_mpv_clients;
static int num_va_mpv_clients;
@ -77,6 +95,7 @@ static void va_info_callback(const char *msg)
{
va_message_callback(msg, MSGL_V);
}
#endif
static void open_lavu_vaapi_device(struct mp_vaapi_ctx *ctx)
{
@ -108,6 +127,10 @@ struct mp_vaapi_ctx *va_initialize(VADisplay *display, struct mp_log *plog,
},
};
#if VA_CHECK_VERSION(1, 0, 0)
vaSetErrorCallback(display, va_error_callback, res);
vaSetInfoCallback(display, va_info_callback, res);
#else
pthread_mutex_lock(&va_log_mutex);
MP_TARRAY_APPEND(NULL, va_mpv_clients, num_va_mpv_clients, res);
pthread_mutex_unlock(&va_log_mutex);
@ -117,6 +140,7 @@ struct mp_vaapi_ctx *va_initialize(VADisplay *display, struct mp_log *plog,
#ifdef VA_FOURCC_I010
vaSetErrorCallback(va_error_callback);
vaSetInfoCallback(va_info_callback);
#endif
#endif
int major, minor;
@ -154,6 +178,7 @@ void va_destroy(struct mp_vaapi_ctx *ctx)
if (ctx->destroy_native_ctx)
ctx->destroy_native_ctx(ctx->native_ctx);
#if !VA_CHECK_VERSION(1, 0, 0)
pthread_mutex_lock(&va_log_mutex);
for (int n = 0; n < num_va_mpv_clients; n++) {
if (va_mpv_clients[n] == ctx) {
@ -164,6 +189,7 @@ void va_destroy(struct mp_vaapi_ctx *ctx)
if (num_va_mpv_clients == 0)
TA_FREEP(&va_mpv_clients); // avoid triggering leak detectors
pthread_mutex_unlock(&va_log_mutex);
#endif
talloc_free(ctx);
}