avconv: add support for VDPAU decoding

Changelog

@@ -48,6 +48,7 @@ version 10:
 - setsar/setdar filters now support variables in ratio expressions
 - dar variable in the scale filter now returns the actual DAR (i.e. a * sar)
 - VP9 decoder
+- support for decoding through VDPAU in avconv (the -hwaccel option)
 
 
 version 9:

Makefile

@@ -62,7 +62,10 @@ PROGS-$(CONFIG_AVPROBE)  += avprobe
 PROGS-$(CONFIG_AVSERVER) += avserver
 
 PROGS      := $(PROGS-yes:%=%$(EXESUF))
+
 OBJS-avconv = avconv_opt.o avconv_filter.o
+OBJS-avconv-$(HAVE_VDPAU_X11) += avconv_vdpau.o
+
 TESTTOOLS   = audiogen videogen rotozoom tiny_psnr base64
 HOSTPROGS  := $(TESTTOOLS:%=tests/%) doc/print_options
 TOOLS       = qt-faststart trasher
@@ -126,7 +129,7 @@ endef
 $(foreach D,$(FFLIBS),$(eval $(call DOSUBDIR,lib$(D))))
 
 define DOPROG
-OBJS-$(1) += $(1).o cmdutils.o $(EXEOBJS)
+OBJS-$(1) += $(1).o cmdutils.o $(EXEOBJS) $(OBJS-$(1)-yes)
 $(1)$(EXESUF): $$(OBJS-$(1))
 $$(OBJS-$(1)): CFLAGS  += $(CFLAGS-$(1))
 $(1)$(EXESUF): LDFLAGS += $(LDFLAGS-$(1))

avconv.h

@@ -51,6 +51,7 @@
 enum HWAccelID {
     HWACCEL_NONE = 0,
     HWACCEL_AUTO,
+    HWACCEL_VDPAU,
 };
 
 typedef struct HWAccel {
@@ -402,4 +403,6 @@ FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost);
 
 int avconv_parse_options(int argc, char **argv);
 
+int vdpau_init(AVCodecContext *s);
+
 #endif /* AVCONV_H */

avconv_opt.c

@@ -54,6 +54,9 @@
 }
 
 const HWAccel hwaccels[] = {
+#if HAVE_VDPAU_X11
+    { "vdpau", vdpau_init, HWACCEL_VDPAU, AV_PIX_FMT_VDPAU },
+#endif
     { 0 },
 };
 

configure

@@ -1367,11 +1367,13 @@ HAVE_LIST="
     threads
     unistd_h
     usleep
+    vdpau_x11
     vfp_args
     VirtualAlloc
     windows_h
     winsock2_h
     xform_asm
+    xlib
     xmm_clobbers
 "
 
@@ -3906,15 +3908,21 @@ if enabled libcdio; then
     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio
 fi
 
+check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib
+
 enabled x11grab                                           &&
-require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
-require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
+require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
+{ enabled xlib || die "ERROR: Xlib not found"; }
 
 enabled vdpau &&
     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
     disable vdpau
 
+enabled vdpau && enabled xlib &&
+    check_lib2 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
+    enable vdpau_x11
+
 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
 
 # add some useful compiler flags if supported

doc/avconv.texi

@@ -562,6 +562,9 @@ Do not use any hardware acceleration (the default).
 
 @item auto
 Automatically select the hardware acceleration method.
+
+@item vdpau
+Use VDPAU (Video Decode and Presentation API for Unix) hardware acceleration.
 @end table
 
 This option has no effect if the selected hwaccel is not available or not
@@ -579,6 +582,12 @@ Select a device to use for hardware acceleration.
 This option only makes sense when the @option{-hwaccel} option is also
 specified. Its exact meaning depends on the specific hardware acceleration
 method chosen.
+
+@table @option
+@item vdpau
+For VDPAU, this option specifies the X11 display/screen to use. If this option
+is not specified, the value of the @var{DISPLAY} environment variable is used
+@end table
 @end table
 
 @section Audio Options