ad252daf65
This patch enables ivfdec to decode WebM files. WebM demuxing is provided by the Matthew Gregan's Nestegg library. This patch also makes minor changes to the timebase->framerate handling when doing Y4M output. For WebM files, the framerate is guessed by looking at the first second of video. For IVF files, the timebase=1/(2*fps) hack is still in place, but is only used if the timebase denominator is less than 1000. This is in anticipation of change I8d25b5b, which introduces the distinction between framerate and timebase to ivfenc. In the case of high resolution timebases, like 100ns, we would have to guess the framerate like we do for WebM, but since WebM support in ivfenc will deprecate IVF output, we just assume 30fps rather than writing the lookahead code. Change-Id: I1dd8600f13bf6071533d2816f005da9ede4f60a2
244 lines
10 KiB
Makefile
244 lines
10 KiB
Makefile
##
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## Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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##
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## Use of this source code is governed by a BSD-style license
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## that can be found in the LICENSE file in the root of the source
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## tree. An additional intellectual property rights grant can be found
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## in the file PATENTS. All contributing project authors may
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## be found in the AUTHORS file in the root of the source tree.
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##
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# List of examples to build. UTILS are files that are taken from the source
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# tree directly, and GEN_EXAMPLES are files that are created from the
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# examples folder.
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UTILS-$(CONFIG_DECODERS) += ivfdec.c
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ivfdec.SRCS += md5_utils.c md5_utils.h
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ivfdec.SRCS += vpx_ports/vpx_timer.h
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ivfdec.SRCS += vpx/vpx_integer.h
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ivfdec.SRCS += args.c args.h vpx_ports/config.h
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ivfdec.SRCS += nestegg/halloc/halloc.h
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ivfdec.SRCS += nestegg/halloc/src/align.h
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ivfdec.SRCS += nestegg/halloc/src/halloc.c
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ivfdec.SRCS += nestegg/halloc/src/hlist.h
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ivfdec.SRCS += nestegg/halloc/src/macros.h
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ivfdec.SRCS += nestegg/include/nestegg/nestegg.h
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ivfdec.SRCS += nestegg/src/nestegg.c
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ivfdec.GUID = BA5FE66F-38DD-E034-F542-B1578C5FB950
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ivfdec.DESCRIPTION = Full featured decoder
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UTILS-$(CONFIG_ENCODERS) += ivfenc.c
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ivfenc.SRCS += args.c args.h y4minput.c y4minput.h
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ivfenc.SRCS += vpx_ports/config.h vpx_ports/mem_ops.h
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ivfenc.SRCS += vpx_ports/mem_ops_aligned.h
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ivfenc.GUID = 548DEC74-7A15-4B2B-AFC3-AA102E7C25C1
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ivfenc.DESCRIPTION = Full featured encoder
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# XMA example disabled for now, not used in VP8
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#UTILS-$(CONFIG_DECODERS) += example_xma.c
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#example_xma.GUID = A955FC4A-73F1-44F7-135E-30D84D32F022
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#example_xma.DESCRIPTION = External Memory Allocation mode usage
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GEN_EXAMPLES-$(CONFIG_DECODERS) += simple_decoder.c
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simple_decoder.GUID = D3BBF1E9-2427-450D-BBFF-B2843C1D44CC
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simple_decoder.DESCRIPTION = Simplified decoder loop
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GEN_EXAMPLES-$(CONFIG_DECODERS) += postproc.c
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postproc.GUID = 65E33355-F35E-4088-884D-3FD4905881D7
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postproc.DESCRIPTION = Decoder postprocessor control
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GEN_EXAMPLES-$(CONFIG_DECODERS) += decode_to_md5.c
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decode_to_md5.SRCS += md5_utils.h md5_utils.c
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decode_to_md5.GUID = 59120B9B-2735-4BFE-B022-146CA340FE42
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decode_to_md5.DESCRIPTION = Frame by frame MD5 checksum
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GEN_EXAMPLES-$(CONFIG_ENCODERS) += simple_encoder.c
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simple_encoder.GUID = 4607D299-8A71-4D2C-9B1D-071899B6FBFD
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simple_encoder.DESCRIPTION = Simplified encoder loop
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GEN_EXAMPLES-$(CONFIG_ENCODERS) += twopass_encoder.c
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twopass_encoder.GUID = 73494FA6-4AF9-4763-8FBB-265C92402FD8
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twopass_encoder.DESCRIPTION = Two-pass encoder loop
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GEN_EXAMPLES-$(CONFIG_ENCODERS) += force_keyframe.c
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force_keyframe.GUID = 3C67CADF-029F-4C86-81F5-D6D4F51177F0
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force_keyframe.DESCRIPTION = Force generation of keyframes
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ifeq ($(CONFIG_DECODERS),yes)
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GEN_EXAMPLES-$(CONFIG_ENCODERS) += decode_with_drops.c
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endif
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decode_with_drops.GUID = CE5C53C4-8DDA-438A-86ED-0DDD3CDB8D26
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decode_with_drops.DESCRIPTION = Drops frames while decoding
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GEN_EXAMPLES-$(CONFIG_ENCODERS) += error_resilient.c
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error_resilient.GUID = DF5837B9-4145-4F92-A031-44E4F832E00C
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error_resilient.DESCRIPTION = Error Resiliency Feature
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GEN_EXAMPLES-$(CONFIG_VP8_ENCODER) += vp8_scalable_patterns.c
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vp8_scalable_patterns.GUID = 0D6A210B-F482-4D6F-8570-4A9C01ACC88C
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vp8_scalable_patterns.DESCRIPTION = VP8 Scalable Bitstream Patterns
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GEN_EXAMPLES-$(CONFIG_VP8_ENCODER) += vp8_set_maps.c
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vp8_set_maps.GUID = ECB2D24D-98B8-4015-A465-A4AF3DCC145F
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vp8_set_maps.DESCRIPTION = VP8 set active and ROI maps
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GEN_EXAMPLES-$(CONFIG_VP8_ENCODER) += vp8cx_set_ref.c
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vp8cx_set_ref.GUID = C5E31F7F-96F6-48BD-BD3E-10EBF6E8057A
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vp8cx_set_ref.DESCRIPTION = VP8 set encoder reference frame
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# Handle extra library flags depending on codec configuration
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CODEC_EXTRA_LIBS-$(CONFIG_VP8) += m
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#
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# End of specified files. The rest of the build rules should happen
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# automagically from here.
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#
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# Examples need different flags based on whether we're building
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# from an installed tree or a version controlled tree. Determine
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# the proper paths.
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ifeq ($(HAVE_ALT_TREE_LAYOUT),yes)
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LIB_PATH := $(SRC_PATH_BARE)/../lib
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INC_PATH := $(SRC_PATH_BARE)/../include
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else
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LIB_PATH-yes += $(if $(BUILD_PFX),$(BUILD_PFX),.)
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INC_PATH-$(CONFIG_VP8_DECODER) += $(SRC_PATH_BARE)/vp8
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INC_PATH-$(CONFIG_VP8_ENCODER) += $(SRC_PATH_BARE)/vp8
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LIB_PATH := $(call enabled,LIB_PATH)
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INC_PATH := $(call enabled,INC_PATH)
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endif
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CFLAGS += $(addprefix -I,$(INC_PATH))
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LDFLAGS += $(addprefix -L,$(LIB_PATH))
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# Expand list of selected examples to build (as specified above)
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UTILS = $(call enabled,UTILS)
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GEN_EXAMPLES = $(call enabled,GEN_EXAMPLES)
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ALL_EXAMPLES = $(UTILS) $(GEN_EXAMPLES)
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UTIL_SRCS = $(foreach ex,$(UTILS),$($(ex:.c=).SRCS))
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ALL_SRCS = $(foreach ex,$(ALL_EXAMPLES),$($(ex:.c=).SRCS))
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CODEC_EXTRA_LIBS=$(sort $(call enabled,CODEC_EXTRA_LIBS))
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# Expand all example sources into a variable containing all sources
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# for that example (not just them main one specified in UTILS/GEN_EXAMPLES)
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# and add this file to the list (for MSVS workspace generation)
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$(foreach ex,$(ALL_EXAMPLES),$(eval $(ex:.c=).SRCS += $(ex) examples.mk))
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# If this is a universal (fat) binary, then all the subarchitectures have
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# already been built and our job is to stitch them together. The
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# BUILD_OBJS variable indicates whether we should be building
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# (compiling, linking) the library. The LIPO_OBJS variable indicates
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# that we're stitching.
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$(eval $(if $(filter universal%,$(TOOLCHAIN)),LIPO_OBJS,BUILD_OBJS):=yes)
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# Create build/install dependencies for all examples. The common case
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# is handled here. The MSVS case is handled below.
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NOT_MSVS = $(if $(CONFIG_MSVS),,yes)
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DIST-BINS-$(NOT_MSVS) += $(addprefix bin/,$(ALL_EXAMPLES:.c=))
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INSTALL-BINS-$(NOT_MSVS) += $(addprefix bin/,$(UTILS:.c=))
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DIST-SRCS-yes += $(ALL_SRCS)
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INSTALL-SRCS-yes += $(UTIL_SRCS)
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OBJS-$(NOT_MSVS) += $(if $(BUILD_OBJS),$(call objs,$(ALL_SRCS)))
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BINS-$(NOT_MSVS) += $(addprefix $(BUILD_PFX),$(ALL_EXAMPLES:.c=))
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# Instantiate linker template for all examples.
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CODEC_LIB=$(if $(CONFIG_DEBUG_LIBS),vpx_g,vpx)
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$(foreach bin,$(BINS-yes),\
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$(if $(BUILD_OBJS),$(eval $(bin): $(LIB_PATH)/lib$(CODEC_LIB).a))\
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$(if $(BUILD_OBJS),$(eval $(call linker_template,$(bin),\
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$(call objs,$($(notdir $(bin)).SRCS)) \
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-l$(CODEC_LIB) $(addprefix -l,$(CODEC_EXTRA_LIBS))\
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)))\
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$(if $(LIPO_OBJS),$(eval $(call lipo_bin_template,$(bin))))\
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)
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# Rules to generate the GEN_EXAMPLES sources
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.PRECIOUS: %.c
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CLEAN-OBJS += $(GEN_EXAMPLES)
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%.c: examples/%.txt
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@echo " [EXAMPLE] $@"
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@$(SRC_PATH_BARE)/examples/gen_example_code.sh $< > $@
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# The following pairs define a mapping of locations in the distribution
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# tree to locations in the source/build trees.
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INSTALL_MAPS += src/%.c %.c
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INSTALL_MAPS += src/% $(SRC_PATH_BARE)/%
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INSTALL_MAPS += bin/% %
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INSTALL_MAPS += % %
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# Set up additional MSVS environment
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ifeq ($(CONFIG_MSVS),yes)
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CODEC_LIB=$(if $(CONFIG_STATIC_MSVCRT),vpxmt,vpxmd)
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# This variable uses deferred expansion intentionally, since the results of
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# $(wildcard) may change during the course of the Make.
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VS_PLATFORMS = $(foreach d,$(wildcard */Release/$(CODEC_LIB).lib),$(word 1,$(subst /, ,$(d))))
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INSTALL_MAPS += $(foreach p,$(VS_PLATFORMS),bin/$(p)/% $(p)/Release/%)
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endif
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# Build Visual Studio Projects. We use a template here to instantiate
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# explicit rules rather than using an implicit rule because we want to
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# leverage make's VPATH searching rather than specifying the paths on
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# each file in ALL_EXAMPLES. This has the unfortunate side effect that
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# touching the source files trigger a rebuild of the project files
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# even though there is no real dependency there (the dependency is on
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# the makefiles). We may want to revisit this.
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define vcproj_template
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$(1): $($(1:.vcproj=).SRCS)
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@echo " [vcproj] $$@"
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$$(SRC_PATH_BARE)/build/make/gen_msvs_proj.sh\
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--exe\
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--target=$$(TOOLCHAIN)\
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--name=$$(@:.vcproj=)\
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--ver=$$(CONFIG_VS_VERSION)\
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--proj-guid=$$($$(@:.vcproj=).GUID)\
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$$(if $$(CONFIG_STATIC_MSVCRT),--static-crt) \
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--out=$$@ $$(CFLAGS) $$(LDFLAGS) -l$$(CODEC_LIB) -lwinmm $$^
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endef
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PROJECTS-$(CONFIG_MSVS) += $(ALL_EXAMPLES:.c=.vcproj)
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INSTALL-BINS-$(CONFIG_MSVS) += $(foreach p,$(VS_PLATFORMS),\
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$(addprefix bin/$(p)/,$(ALL_EXAMPLES:.c=.exe)))
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$(foreach proj,$(call enabled,PROJECTS),\
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$(eval $(call vcproj_template,$(proj))))
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#
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# Documentation Rules
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#
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%.dox: examples/%.txt
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@echo " [DOXY] $@"
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@$(SRC_PATH_BARE)/examples/gen_example_text.sh $< | \
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$(SRC_PATH_BARE)/examples/gen_example_doxy.php \
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example_$(@:.dox=) $(@:.dox=.c) > $@
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%.dox: %.c
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@echo " [DOXY] $@"
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@echo "/*!\page example_$(@:.dox=) $(@:.dox=)" > $@
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@echo " \includelineno $(notdir $<)" >> $@
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@echo "*/" >> $@
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samples.dox: examples.mk
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@echo " [DOXY] $@"
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@echo "/*!\page samples Sample Code" > $@
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@echo " This SDK includes a number of sample applications."\
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"each sample documents a feature of the SDK in both prose"\
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"and the associated C code. In general, later samples"\
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"build upon prior samples, so it is best to work through the"\
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"list in order. The following samples are included: ">>$@
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@$(foreach ex,$(GEN_EXAMPLES:.c=),\
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echo " - \subpage example_$(ex) $($(ex).DESCRIPTION)" >> $@;)
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@echo >> $@
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@echo " In addition, the SDK contains a number of utilities."\
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"Since these utilities are built upon the concepts described"\
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"in the sample code listed above, they are not documented in"\
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"pieces like the samples are. Thir sourcre is included here"\
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"for reference. The following utilities are included:" >> $@
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@$(foreach ex,$(UTILS:.c=),\
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echo " - \subpage example_$(ex) $($(ex).DESCRIPTION)" >> $@;)
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@echo "*/" >> $@
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CLEAN-OBJS += examples.doxy samples.dox $(ALL_EXAMPLES:.c=.dox)
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DOCS-yes += examples.doxy samples.dox $(ALL_EXAMPLES:.c=.dox)
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examples.doxy: samples.dox $(ALL_EXAMPLES:.c=.dox)
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@echo "INPUT += $^" > $@
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