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File mpv-vaapi2.patch of Package mpv (Revision 834c6e2664e915e3fdc8b28a2e6e589b)

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From 6265a2d7793c52b16f48f6f8db5d8833d350abc5 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Fri, 29 Sep 2017 16:51:30 +0200
Subject: [PATCH] vaapi: minor changes

This is for relicensing. Some of this code is loosely based on
vo_vaapi.c from the original MPlayer-vaapi patches. Most of the code has
changed, and only the initialization code and check_status() look
remotely similar. The initialization code is changed to be like Libav's
(hwcontext_vaapi.c). check_va_status() is just a C idiom, but to play it
safe, we'll either drop it from LGPL code (or recreate it).

vaapi.c still contains plenty of code from the original patches, but the
next commits will move them out of the LGPL code paths.
---
 video/vaapi.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

Index: mpv-0.27.0/video/vaapi.c
===================================================================
--- mpv-0.27.0.orig/video/vaapi.c
+++ mpv-0.27.0/video/vaapi.c
@@ -30,15 +30,6 @@
 #include <libavutil/hwcontext.h>
 #include <libavutil/hwcontext_vaapi.h>
 
-bool check_va_status(struct mp_log *log, VAStatus status, const char *msg)
-{
-    if (status != VA_STATUS_SUCCESS) {
-        mp_err(log, "%s: %s\n", msg, vaErrorStr(status));
-        return false;
-    }
-    return true;
-}
-
 int va_get_colorspace_flag(enum mp_csp csp)
 {
     switch (csp) {
@@ -112,9 +103,27 @@ static void va_get_formats(struct mp_vaa
     ctx->image_formats = formats;
 }
 
-// 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;
@@ -149,6 +158,7 @@ static void va_info_callback(const char
 {
     va_message_callback(msg, MSGL_V);
 }
+#endif
 
 static void open_lavu_vaapi_device(struct mp_vaapi_ctx *ctx)
 {
@@ -181,6 +191,10 @@ struct mp_vaapi_ctx *va_initialize(VADis
         },
     };
 
+#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);
@@ -191,15 +205,16 @@ struct mp_vaapi_ctx *va_initialize(VADis
     vaSetErrorCallback(va_error_callback);
     vaSetInfoCallback(va_info_callback);
 #endif
+#endif
 
-    int major_version, minor_version;
-    int status = vaInitialize(display, &major_version, &minor_version);
-    if (status != VA_STATUS_SUCCESS && probing)
-        goto error;
-    if (!check_va_status(res->log, status, "vaInitialize()"))
+    int major, minor;
+    int status = vaInitialize(display, &major, &minor);
+    if (status != VA_STATUS_SUCCESS) {
+        if (!probing)
+            MP_ERR(res, "Failed to initialize VAAPI: %s\n", vaErrorStr(status));
         goto error;
-
-    MP_VERBOSE(res, "VA API version %d.%d\n", major_version, minor_version);
+    }
+    MP_VERBOSE(res, "Initialized VAAPI: version %d.%d\n", major, minor);
 
     va_get_formats(res);
     if (!res->image_formats)
@@ -231,6 +246,7 @@ 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) {
@@ -241,6 +257,7 @@ 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);
     }
Index: mpv-0.27.0/video/vaapi.h
===================================================================
--- mpv-0.27.0.orig/video/vaapi.h
+++ mpv-0.27.0/video/vaapi.h
@@ -41,9 +41,9 @@ struct mp_vaapi_ctx {
     void (*destroy_native_ctx)(void *native_ctx);
 };
 
-bool check_va_status(struct mp_log *log, VAStatus status, const char *msg);
-
-#define CHECK_VA_STATUS(ctx, msg) check_va_status((ctx)->log, status, msg)
+#define CHECK_VA_STATUS(ctx, msg) \
+    (status == VA_STATUS_SUCCESS ? true \
+        : (MP_ERR(ctx, "%s failed (%s)\n", msg, vaErrorStr(status)), false))
 
 int                      va_get_colorspace_flag(enum mp_csp csp);

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File mpv-vaapi2.patch of Package mpv (Revision 834c6e2664e915e3fdc8b28a2e6e589b)

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