[Buildroot] [PATCH v2] mpv: add support for Raspberry Pi "rpi" output
Mahyar Koshkouei
mahyar.koshkouei at gmail.com
Sun Oct 22 17:21:26 UTC 2017
mpv now compiles with the "rpi" video driver that provides hardware
acceleration on the Raspberry Pi.
Tested working on a Raspberry Pi 1 Model B+ and Zero.
Signed-off-by: Mahyar Koshkouei <mahyar.koshkouei at gmail.com>
---
Changes v1 -> v2:
- Changed patch to use pkgconfig (thanks to github.com/Coacher)
---
.../mpv/0003-rpi-build-Fix-linking-errors.patch | 72 ++++++++++++++++++++++
package/mpv/mpv.mk | 9 ++-
2 files changed, 80 insertions(+), 1 deletion(-)
create mode 100644 package/mpv/0003-rpi-build-Fix-linking-errors.patch
diff --git a/package/mpv/0003-rpi-build-Fix-linking-errors.patch b/package/mpv/0003-rpi-build-Fix-linking-errors.patch
new file mode 100644
index 0000000000..d1db6a51fa
--- /dev/null
+++ b/package/mpv/0003-rpi-build-Fix-linking-errors.patch
@@ -0,0 +1,72 @@
+diff --git a/waftools/checks/custom.py b/waftools/checks/custom.py
+index d8065a35f..9086795b1 100644
+--- a/waftools/checks/custom.py
++++ b/waftools/checks/custom.py
+@@ -4,7 +4,7 @@ from waflib import Utils
+ import os
+
+ __all__ = ["check_pthreads", "check_iconv", "check_lua",
+- "check_cocoa", "check_openal"]
++ "check_cocoa", "check_openal", "check_rpi"]
+
+ pthreads_program = load_fragment('pthreads.c')
+
+@@ -103,3 +103,27 @@ def check_openal(ctx, dependency_identifier):
+ if fn(ctx, dependency_identifier):
+ return True
+ return False
++
++def check_rpi(ctx, dependency_identifier):
++ # We need MMAL/bcm_host/dispmanx APIs.
++ # Upstream keeps pkgconfig files in '/opt/vc/lib/pkgconfig'.
++ # See https://github.com/raspberrypi/userland/issues/245
++ # PKG_CONFIG_SYSROOT_DIR helps with cross compilation.
++ prev_pkg_path = os.getenv('PKG_CONFIG_PATH', '')
++ os.environ['PKG_CONFIG_PATH'] = os.pathsep.join(
++ filter(None, [os.path.join(os.getenv('PKG_CONFIG_SYSROOT_DIR', '/'),
++ 'opt/vc/lib/pkgconfig'),
++ prev_pkg_path]))
++
++ checks = [
++ # We still need all OpenGL symbols, because the vo_opengl code is
++ # generic and supports anything from GLES2/OpenGL 2.1 to OpenGL 4 core.
++ check_pkg_config('bcm_host', uselib_store='bcm_host'),
++ check_pkg_config('egl'),
++ check_pkg_config('glesv2'),
++ check_cc(lib=['mmal_core', 'mmal_util', 'mmal_vc_client'], use=['bcm_host']),
++ ]
++
++ ret = all((fn(ctx, dependency_identifier) for fn in checks))
++ os.environ['PKG_CONFIG_PATH'] = prev_pkg_path
++ return ret
+diff --git a/wscript b/wscript
+index dd4795639..33539d4c8 100644
+--- a/wscript
++++ b/wscript
+@@ -754,25 +754,9 @@ video_output_features = [
+ 'deps': 'win32-desktop && gpl',
+ 'func': check_cc(header_name='d3d9.h'),
+ }, {
+- # We need MMAL/bcm_host/dispmanx APIs. Also, most RPI distros require
+- # every project to hardcode the paths to the include directories. Also,
+- # these headers are so broken that they spam tons of warnings by merely
+- # including them (compensate with -isystem and -fgnu89-inline).
+ 'name': '--rpi',
+ 'desc': 'Raspberry Pi support',
+- 'func': compose_checks(
+- check_cc(cflags="-isystem/opt/vc/include/ "+
+- "-isystem/opt/vc/include/interface/vcos/pthreads " +
+- "-isystem/opt/vc/include/interface/vmcs_host/linux " +
+- "-fgnu89-inline",
+- linkflags="-L/opt/vc/lib",
+- header_name="bcm_host.h",
+- lib=['mmal_core', 'mmal_util', 'mmal_vc_client', 'bcm_host']),
+- # We still need all OpenGL symbols, because the vo_opengl code is
+- # generic and supports anything from GLES2/OpenGL 2.1 to OpenGL 4 core.
+- check_cc(lib="EGL"),
+- check_cc(lib="GLESv2"),
+- ),
++ 'func': check_rpi,
+ } , {
+ 'name': '--ios-gl',
+ 'desc': 'iOS OpenGL ES hardware decoding interop support',
diff --git a/package/mpv/mpv.mk b/package/mpv/mpv.mk
index 730ced6c64..dfc3fa8f3b 100644
--- a/package/mpv/mpv.mk
+++ b/package/mpv/mpv.mk
@@ -26,7 +26,6 @@ MPV_CONF_OPTS = \
--disable-cuda-hwaccel \
--disable-libv4l2 \
--disable-opensles \
- --disable-rpi \
--disable-rsound \
--disable-rubberband \
--disable-uchardet \
@@ -169,6 +168,14 @@ else
MPV_CONF_OPTS += --disable-sdl1 --disable-sdl2
endif
+# Raspberry Pi support
+ifeq ($(BR2_PACKAGE_RPI_FIRMWARE)$(BR2_PACKAGE_RPI_USERLAND),yy)
+MPV_CONF_OPTS += --enable-rpi --enable-gl
+FFMPEG_DEPENDENCIES += rpi-firmware rpi-userland
+else
+MPV_CONF_OPTS += --disable-rpi
+endif
+
# va-api support
# This requires one or more of the egl-drm, wayland, x11 backends
# For now we support wayland and x11
--
2.14.2
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