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vtenc: Disable ARGB/RGBA64 caps on M1 Pro/Max with macOS <13

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Fixes #1358.
Passing ARGB64/RGBA64 to vtenc caused the encoding to fail
when running on M1 Pro/Max variants with macOS 12.x, so let's
remove these formats from caps when such scenario is detected.
This issue appears to have been fixed OS-side in macOS 13.0.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3912>
This commit is contained in:
Piotr Brzeziński 2023-02-07 16:04:22 +01:00 committed by GStreamer Marge Bot
parent cf9a82cf84
commit 8d81c4827c
1 changed files with 29 additions and 5 deletions
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28
subprojects/gst-plugins-bad/sys/applemedia/vtenc.c
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@ -70,6 +70,7 @@
#include "corevideobuffer.h"
#include "vtutil.h"
#include <gst/pbutils/codec-utils.h>
#include <sys/sysctl.h>
#define VTENC_DEFAULT_BITRATE 0
#define VTENC_DEFAULT_FRAME_REORDERING TRUE
@ -201,8 +202,7 @@ static GstStaticCaps sink_caps =
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ NV12, I420 }"));
#else
static GstStaticCaps sink_caps =
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE
("{ AYUV64, UYVY, NV12, I420, ARGB64_BE }"));
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ AYUV64, UYVY, NV12, I420 }"));
#endif
@ -231,9 +231,33 @@ gst_vtenc_base_init (GstVTEncClass * klass)
{
GstCaps *caps = gst_static_caps_get (&sink_caps);
#ifndef HAVE_IOS
gboolean enable_argb = TRUE;
int retval;
char cpu_name[15];
size_t cpu_len = 15;
if (__builtin_available (macOS 13.0, *)) {
/* Can't negate a __builtin_available check */
} else {
/* Disable ARGB64/RGBA64 if we're on M1 Pro/Max and macOS < 13.0
* due to a bug within VideoToolbox which causes encoding to fail. */
retval = sysctlbyname ("machdep.cpu.brand_string", &cpu_name, &cpu_len,
NULL, 0);
if (retval == 0 &&
(strstr (cpu_name, "M1 Pro") != NULL ||
strstr (cpu_name, "M1 Max") != NULL))
enable_argb = FALSE;
}
if (enable_argb) {
caps = gst_vtutil_caps_append_video_format (caps, "ARGB64_BE");
/* RGBA64_LE is kCVPixelFormatType_64RGBALE, only available on macOS 11.3+ */
if (GST_VTUTIL_HAVE_64ARGBALE)
caps = gst_vtutil_caps_append_video_format (caps, "RGBA64_LE");
}
#endif
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, caps));
}