mpv-fourier: iter2 — wire v4l2request hwdec through drmprime VO

Adds Kwiboo / Langdale's 2024-08 patches (0001-meson + 0002-vo-hwdec-drmprime) so AV_HWDEVICE_TYPE_V4L2REQUEST flows through mpv's drmprime VO hwdec and `--hwdec=v4l2request` engages against the dmabuf-wayland VO instead of failing with "Could not create device". The matcher previously filtered on AV_HWDEVICE_TYPE_DRM and rejected v4l2request even when libavcodec's hwaccel returned a valid PRIME descriptor. PKGBUILD: pkgrel 9 → 10, source[] picks up both new patches, prepare() applies them before the existing 0001-vo_dmabuf_wayland cache-sync workaround, meson build flag -Dv4l2request=enabled added so the new option compiles in. Stacks on top of iter1 (713a856): the dma_buf cache-sync workaround stays load-bearing for the existing vaapi_dmabuf and drmprime_dmabuf import paths; this iter only adds the wiring for the drmprime VO's hwdec selector. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-15 05:47:59 +00:00
parent 948088fc28
commit ee636a6d21
3 changed files with 506 additions and 2 deletions
@@ -0,0 +1,56 @@
+From 9d3bbd3651eb8405b8609e4f5e8c4978056483d0 Mon Sep 17 00:00:00 2001
+From: Jonas Karlman <jonas@kwiboo.se>
+Date: Sun, 18 Aug 2024 17:42:14 -0700
+Subject: [PATCH 1/2] meson: add detection logic for v4l2request support
+
+We will probably adjust this to look for a specific libavutil version after
+v4l2request support is merged upstream, but this check is fine for now.
+---
+ meson.build   | 11 +++++++++++
+ meson.options |  1 +
+ 2 files changed, 12 insertions(+)
+
+diff --git a/meson.build b/meson.build
+index d4c75a907f..540f279dc7 100644
+--- a/meson.build
+++ b/meson.build
+@@ -1444,6 +1444,16 @@ if features['ios-gl']
+     sources += files('video/out/hwdec/hwdec_ios_gl.m')
+ endif
+ 
+v4l2request = get_option('v4l2request').require(
+    cc.has_header_symbol('libavutil/hwcontext.h',
+                         'AV_HWDEVICE_TYPE_V4L2REQUEST',
+                         dependencies: libavutil)
+)
+features += {'v4l2request': v4l2request.allowed()}
+if features['v4l2request']
+    sources += files('video/v4l2request.c')
+endif
+
+ libva = dependency('libva', version: '>= 1.1.0', required: get_option('vaapi'))
+ 
+ vaapi_drm = dependency('libva-drm', version: '>= 1.1.0', required:
+@@ -1911,6 +1921,7 @@ summary({'cocoa': features['cocoa'] and features['swift'],
+          'libmpv': get_option('libmpv'),
+          'lua': features['lua'],
+          'opengl': features['gl'],
+         'v4l2request': features['v4l2request'],
+          'vulkan': features['vulkan'],
+          'wayland': features['wayland'],
+          'x11': features['x11']},
+diff --git a/meson.options b/meson.options
+index 836d16d03f..54ec2dccfc 100644
+--- a/meson.options
+++ b/meson.options
+@@ -103,6 +103,7 @@ option('d3d-hwaccel', type: 'feature', value: 'auto', description: 'D3D11VA hwac
+ option('d3d9-hwaccel', type: 'feature', value: 'auto', description: 'DXVA2 hwaccel')
+ option('gl-dxinterop-d3d9', type: 'feature', value: 'auto', description: 'OpenGL/DirectX DXVA2 hwaccel')
+ option('ios-gl', type: 'feature', value: 'auto', description: 'iOS OpenGL ES interop support')
+option('v4l2request', type: 'feature', value: 'auto', description: 'V4L2 Request API hwaccel')
+ option('videotoolbox-gl', type: 'feature', value: 'auto', description: 'Videotoolbox with OpenGL')
+ option('videotoolbox-pl', type: 'feature', value: 'auto', description: 'Videotoolbox with libplacebo')
+ 
+-- 
+2.52.0
+