multimedia/mpv: Patch for the newer VAAPI.mpv

Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>

2 files changed, 94 insertions, 0 deletions

diff --git a/multimedia/mpv/mpv.SlackBuild b/multimedia/mpv/mpv.SlackBuild
index 484cf9486c..3394de552d 100644
--- a/multimedia/mpv/mpv.SlackBuild
+++ b/multimedia/mpv/mpv.SlackBuild
@@ -73,6 +73,9 @@ find -L . \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
   -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
+# Fix for the newer VAAPI
+patch -p1 < $CWD/vaapi-Use-libva2-message-callbacks.patch
+
 DOCS="Copyright LICENSE README.md RELEASE_NOTES"
 MANUAL="DOCS/*.md DOCS/*.rst DOCS/*.txt"
 
diff --git a/multimedia/mpv/vaapi-Use-libva2-message-callbacks.patch b/multimedia/mpv/vaapi-Use-libva2-message-callbacks.patch
new file mode 100644
index 0000000000..6ac3abe82b
--- /dev/null
+++ b/multimedia/mpv/vaapi-Use-libva2-message-callbacks.patch
@@ -0,0 +1,91 @@
+From 2ecf240b1cd20875991a5b18efafbe799864ff7f Mon Sep 17 00:00:00 2001
+From: Mark Thompson <sw@jkqxz.net>
+Date: Mon, 9 Oct 2017 20:10:26 +0100
+Subject: vaapi: Use libva2 message callbacks
+
+They are no longer global, so they work vaguely sensibly.
+---
+ video/vaapi.c | 32 +++++++++++++++++++++++++++++---
+ 1 file changed, 29 insertions(+), 3 deletions(-)
+
+diff --git a/video/vaapi.c b/video/vaapi.c
+index 6bedbbaa18..3b1cb9cc41 100644
+--- a/video/vaapi.c
++++ b/video/vaapi.c
+@@ -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);
+     }
+-- 
+cgit v1.1-22-g1649
+