examples.mk

   1 ##
   2 ##  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3 ##
   4 ##  Use of this source code is governed by a BSD-style license
   5 ##  that can be found in the LICENSE file in the root of the source
   6 ##  tree. An additional intellectual property rights grant can be found
   7 ##  in the file PATENTS.  All contributing project authors may
   8 ##  be found in the AUTHORS file in the root of the source tree.
   9 ##
  10
  11
  12 # List of examples to build. UTILS are files that are taken from the source
  13 # tree directly, and GEN_EXAMPLES are files that are created from the
  14 # examples folder.
  15 UTILS-$(CONFIG_DECODERS)    += vpxdec.c
  16 vpxdec.SRCS                 += md5_utils.c md5_utils.h
  17 vpxdec.SRCS                 += vpx_ports/vpx_timer.h
  18 vpxdec.SRCS                 += vpx/vpx_integer.h
  19 vpxdec.SRCS                 += args.c args.h
  20 vpxdec.SRCS                 += tools_common.c tools_common.h
  21 vpxdec.SRCS                 += nestegg/halloc/halloc.h
  22 vpxdec.SRCS                 += nestegg/halloc/src/align.h
  23 vpxdec.SRCS                 += nestegg/halloc/src/halloc.c
  24 vpxdec.SRCS                 += nestegg/halloc/src/hlist.h
  25 vpxdec.SRCS                 += nestegg/halloc/src/macros.h
  26 vpxdec.SRCS                 += nestegg/include/nestegg/nestegg.h
  27 vpxdec.SRCS                 += nestegg/src/nestegg.c
  28 vpxdec.GUID                  = BA5FE66F-38DD-E034-F542-B1578C5FB950
  29 vpxdec.DESCRIPTION           = Full featured decoder
  30 UTILS-$(CONFIG_ENCODERS)    += vpxenc.c
  31 vpxenc.SRCS                 += args.c args.h y4minput.c y4minput.h
  32 vpxenc.SRCS                 += tools_common.c tools_common.h
  33 vpxenc.SRCS                 += vpx_ports/mem_ops.h
  34 vpxenc.SRCS                 += vpx_ports/mem_ops_aligned.h
  35 vpxenc.SRCS                 += vpx_ports/vpx_timer.h
  36 vpxenc.SRCS                 += libmkv/EbmlIDs.h
  37 vpxenc.SRCS                 += libmkv/EbmlWriter.c
  38 vpxenc.SRCS                 += libmkv/EbmlWriter.h
  39 vpxenc.GUID                  = 548DEC74-7A15-4B2B-AFC3-AA102E7C25C1
  40 vpxenc.DESCRIPTION           = Full featured encoder
  41 UTILS-$(CONFIG_ENCODERS)    += vp8_scalable_patterns.c
  42 vp8_scalable_patterns.GUID   = 0D6A210B-F482-4D6F-8570-4A9C01ACC88C
  43 vp8_scalable_patterns.DESCRIPTION = Temporal Scalability Encoder
  44
  45 # Clean up old ivfenc, ivfdec binaries.
  46 ifeq ($(CONFIG_MSVS),yes)
  47 CLEAN-OBJS += $(foreach p,$(VS_PLATFORMS),$(p)/Release/ivfenc.exe)
  48 CLEAN-OBJS += $(foreach p,$(VS_PLATFORMS),$(p)/Release/ivfdec.exe)
  49 else
  50 CLEAN-OBJS += ivfenc{.c.o,.c.d,.dox,.exe,}
  51 CLEAN-OBJS += ivfdec{.c.o,.c.d,.dox,.exe,}
  52 endif
  53
  54 # XMA example disabled for now, not used in VP8
  55 #UTILS-$(CONFIG_DECODERS)    += example_xma.c
  56 #example_xma.GUID             = A955FC4A-73F1-44F7-135E-30D84D32F022
  57 #example_xma.DESCRIPTION      = External Memory Allocation mode usage
  58
  59 GEN_EXAMPLES-$(CONFIG_DECODERS) += simple_decoder.c
  60 simple_decoder.GUID              = D3BBF1E9-2427-450D-BBFF-B2843C1D44CC
  61 simple_decoder.DESCRIPTION       = Simplified decoder loop
  62 GEN_EXAMPLES-$(CONFIG_DECODERS) += postproc.c
  63 postproc.GUID                    = 65E33355-F35E-4088-884D-3FD4905881D7
  64 postproc.DESCRIPTION             = Decoder postprocessor control
  65 GEN_EXAMPLES-$(CONFIG_DECODERS) += decode_to_md5.c
  66 decode_to_md5.SRCS              += md5_utils.h md5_utils.c
  67 decode_to_md5.GUID               = 59120B9B-2735-4BFE-B022-146CA340FE42
  68 decode_to_md5.DESCRIPTION        = Frame by frame MD5 checksum
  69
  70 GEN_EXAMPLES-$(CONFIG_ENCODERS) += simple_encoder.c
  71 simple_encoder.GUID              = 4607D299-8A71-4D2C-9B1D-071899B6FBFD
  72 simple_encoder.DESCRIPTION       = Simplified encoder loop
  73 GEN_EXAMPLES-$(CONFIG_ENCODERS) += twopass_encoder.c
  74 twopass_encoder.GUID             = 73494FA6-4AF9-4763-8FBB-265C92402FD8
  75 twopass_encoder.DESCRIPTION      = Two-pass encoder loop
  76 GEN_EXAMPLES-$(CONFIG_ENCODERS) += force_keyframe.c
  77 force_keyframe.GUID              = 3C67CADF-029F-4C86-81F5-D6D4F51177F0
  78 force_keyframe.DESCRIPTION       = Force generation of keyframes
  79 ifeq ($(CONFIG_DECODERS),yes)
  80 GEN_EXAMPLES-$(CONFIG_ENCODERS) += decode_with_drops.c
  81 endif
  82 decode_with_drops.GUID           = CE5C53C4-8DDA-438A-86ED-0DDD3CDB8D26
  83 decode_with_drops.DESCRIPTION    = Drops frames while decoding
  84 ifeq ($(CONFIG_DECODERS),yes)
  85 GEN_EXAMPLES-$(CONFIG_ERROR_CONCEALMENT) += decode_with_partial_drops.c
  86 endif
  87 decode_with_partial_drops.GUID           = 61C2D026-5754-46AC-916F-1343ECC5537E
  88 decode_with_partial_drops.DESCRIPTION    = Drops parts of frames while decoding
  89 GEN_EXAMPLES-$(CONFIG_ENCODERS) += error_resilient.c
  90 error_resilient.GUID             = DF5837B9-4145-4F92-A031-44E4F832E00C
  91 error_resilient.DESCRIPTION      = Error Resiliency Feature
  92
  93 GEN_EXAMPLES-$(CONFIG_VP8_ENCODER) += vp8_set_maps.c
  94 vp8_set_maps.GUID                   = ECB2D24D-98B8-4015-A465-A4AF3DCC145F
  95 vp8_set_maps.DESCRIPTION            = VP8 set active and ROI maps
  96 GEN_EXAMPLES-$(CONFIG_VP8_ENCODER) += vp8cx_set_ref.c
  97 vp8cx_set_ref.GUID                  = C5E31F7F-96F6-48BD-BD3E-10EBF6E8057A
  98 vp8cx_set_ref.DESCRIPTION           = VP8 set encoder reference frame
  99
 100 # C file is provided, not generated automatically.
 101 UTILS-$(CONFIG_MULTI_RES_ENCODING) += vp8_multi_resolution_encoder.c
 102 vp8_multi_resolution_encoder.SRCS  \
 103                          += third_party/libyuv/include/libyuv/basic_types.h  \
 104                             third_party/libyuv/include/libyuv/cpu_id.h  \
 105                             third_party/libyuv/include/libyuv/scale.h  \
 106                             third_party/libyuv/source/row.h \
 107                             third_party/libyuv/source/scale.c  \
 108                             third_party/libyuv/source/cpu_id.c
 109 vp8_multi_resolution_encoder.GUID         = 04f8738e-63c8-423b-90fa-7c2703a374de
 110 vp8_multi_resolution_encoder.DESCRIPTION  = VP8 Multiple-resolution Encoding
 111
 112 # Handle extra library flags depending on codec configuration
 113
 114 # We should not link to math library (libm) on RVCT
 115 # when building for bare-metal targets
 116 ifeq ($(CONFIG_OS_SUPPORT), yes)
 117 CODEC_EXTRA_LIBS-$(CONFIG_VP8)         += m
 118 else
 119     ifeq ($(CONFIG_GCC), yes)
 120     CODEC_EXTRA_LIBS-$(CONFIG_VP8)         += m
 121     endif
 122 endif
 123 #
 124 # End of specified files. The rest of the build rules should happen
 125 # automagically from here.
 126 #
 127
 128
 129 # Examples need different flags based on whether we're building
 130 # from an installed tree or a version controlled tree. Determine
 131 # the proper paths.
 132 ifeq ($(HAVE_ALT_TREE_LAYOUT),yes)
 133     LIB_PATH := $(SRC_PATH_BARE)/../lib
 134     INC_PATH := $(SRC_PATH_BARE)/../include
 135 else
 136     LIB_PATH-yes                     += $(if $(BUILD_PFX),$(BUILD_PFX),.)
 137     INC_PATH-$(CONFIG_VP8_DECODER)   += $(SRC_PATH_BARE)/vp8
 138     INC_PATH-$(CONFIG_VP8_ENCODER)   += $(SRC_PATH_BARE)/vp8
 139     LIB_PATH := $(call enabled,LIB_PATH)
 140     INC_PATH := $(call enabled,INC_PATH)
 141 endif
 142 INTERNAL_CFLAGS = $(addprefix -I,$(INC_PATH))
 143 INTERNAL_LDFLAGS += $(addprefix -L,$(LIB_PATH))
 144
 145
 146 # Expand list of selected examples to build (as specified above)
 147 UTILS           = $(call enabled,UTILS)
 148 GEN_EXAMPLES    = $(call enabled,GEN_EXAMPLES)
 149 ALL_EXAMPLES    = $(UTILS) $(GEN_EXAMPLES)
 150 UTIL_SRCS       = $(foreach ex,$(UTILS),$($(ex:.c=).SRCS))
 151 ALL_SRCS        = $(foreach ex,$(ALL_EXAMPLES),$($(ex:.c=).SRCS))
 152 CODEC_EXTRA_LIBS=$(sort $(call enabled,CODEC_EXTRA_LIBS))
 153
 154
 155 # Expand all example sources into a variable containing all sources
 156 # for that example (not just them main one specified in UTILS/GEN_EXAMPLES)
 157 # and add this file to the list (for MSVS workspace generation)
 158 $(foreach ex,$(ALL_EXAMPLES),$(eval $(ex:.c=).SRCS += $(ex) examples.mk))
 159
 160
 161 # If this is a universal (fat) binary, then all the subarchitectures have
 162 # already been built and our job is to stitch them together. The
 163 # BUILD_OBJS variable indicates whether we should be building
 164 # (compiling, linking) the library. The LIPO_OBJS variable indicates
 165 # that we're stitching.
 166 $(eval $(if $(filter universal%,$(TOOLCHAIN)),LIPO_OBJS,BUILD_OBJS):=yes)
 167
 168
 169 # Create build/install dependencies for all examples. The common case
 170 # is handled here. The MSVS case is handled below.
 171 NOT_MSVS = $(if $(CONFIG_MSVS),,yes)
 172 DIST-BINS-$(NOT_MSVS)      += $(addprefix bin/,$(ALL_EXAMPLES:.c=$(EXE_SFX)))
 173 INSTALL-BINS-$(NOT_MSVS)   += $(addprefix bin/,$(UTILS:.c=$(EXE_SFX)))
 174 DIST-SRCS-yes              += $(ALL_SRCS)
 175 INSTALL-SRCS-yes           += $(UTIL_SRCS)
 176 OBJS-$(NOT_MSVS)           += $(if $(BUILD_OBJS),$(call objs,$(ALL_SRCS)))
 177 BINS-$(NOT_MSVS)           += $(addprefix $(BUILD_PFX),$(ALL_EXAMPLES:.c=$(EXE_SFX)))
 178
 179
 180 # Instantiate linker template for all examples.
 181 CODEC_LIB=$(if $(CONFIG_DEBUG_LIBS),vpx_g,vpx)
 182 CODEC_LIB_SUF=$(if $(CONFIG_SHARED),.so,.a)
 183 $(foreach bin,$(BINS-yes),\
 184     $(if $(BUILD_OBJS),$(eval $(bin):\
 185         $(LIB_PATH)/lib$(CODEC_LIB)$(CODEC_LIB_SUF)))\
 186     $(if $(BUILD_OBJS),$(eval $(call linker_template,$(bin),\
 187         $(call objs,$($(notdir $(bin:$(EXE_SFX)=)).SRCS)) \
 188         -l$(CODEC_LIB) $(addprefix -l,$(CODEC_EXTRA_LIBS))\
 189         )))\
 190     $(if $(LIPO_OBJS),$(eval $(call lipo_bin_template,$(bin))))\
 191     )
 192
 193
 194 # Rules to generate the GEN_EXAMPLES sources
 195 .PRECIOUS: %.c
 196 CLEAN-OBJS += $(GEN_EXAMPLES)
 197 %.c: examples/%.txt
 198         @echo "    [EXAMPLE] $@"
 199         @$(SRC_PATH_BARE)/examples/gen_example_code.sh $< > $@
 200
 201
 202 # The following pairs define a mapping of locations in the distribution
 203 # tree to locations in the source/build trees.
 204 INSTALL_MAPS += src/%.c   %.c
 205 INSTALL_MAPS += src/%     $(SRC_PATH_BARE)/%
 206 INSTALL_MAPS += bin/%     %
 207 INSTALL_MAPS += %         %
 208
 209
 210 # Set up additional MSVS environment
 211 ifeq ($(CONFIG_MSVS),yes)
 212 CODEC_LIB=$(if $(CONFIG_STATIC_MSVCRT),vpxmt,vpxmd)
 213 # This variable uses deferred expansion intentionally, since the results of
 214 # $(wildcard) may change during the course of the Make.
 215 VS_PLATFORMS = $(foreach d,$(wildcard */Release/$(CODEC_LIB).lib),$(word 1,$(subst /, ,$(d))))
 216 INSTALL_MAPS += $(foreach p,$(VS_PLATFORMS),bin/$(p)/%  $(p)/Release/%)
 217 endif
 218
 219 # Build Visual Studio Projects. We use a template here to instantiate
 220 # explicit rules rather than using an implicit rule because we want to
 221 # leverage make's VPATH searching rather than specifying the paths on
 222 # each file in ALL_EXAMPLES. This has the unfortunate side effect that
 223 # touching the source files trigger a rebuild of the project files
 224 # even though there is no real dependency there (the dependency is on
 225 # the makefiles). We may want to revisit this.
 226 define vcproj_template
 227 $(1): $($(1:.vcproj=).SRCS)
 228         @echo "    [vcproj] $$@"
 229         $$(SRC_PATH_BARE)/build/make/gen_msvs_proj.sh\
 230             --exe\
 231             --target=$$(TOOLCHAIN)\
 232             --name=$$(@:.vcproj=)\
 233             --ver=$$(CONFIG_VS_VERSION)\
 234             --proj-guid=$$($$(@:.vcproj=).GUID)\
 235             $$(if $$(CONFIG_STATIC_MSVCRT),--static-crt) \
 236             --out=$$@ $$(INTERNAL_CFLAGS) $$(CFLAGS) \
 237             $$(INTERNAL_LDFLAGS) $$(LDFLAGS) -l$$(CODEC_LIB) -lwinmm $$^
 238 endef
 239 PROJECTS-$(CONFIG_MSVS) += $(ALL_EXAMPLES:.c=.vcproj)
 240 INSTALL-BINS-$(CONFIG_MSVS) += $(foreach p,$(VS_PLATFORMS),\
 241                                $(addprefix bin/$(p)/,$(ALL_EXAMPLES:.c=.exe)))
 242 $(foreach proj,$(call enabled,PROJECTS),\
 243     $(eval $(call vcproj_template,$(proj))))
 244
 245
 246
 247 #
 248 # Documentation Rules
 249 #
 250 %.dox: examples/%.txt
 251         @echo "    [DOXY] $@"
 252         @$(SRC_PATH_BARE)/examples/gen_example_text.sh $< | \
 253          $(SRC_PATH_BARE)/examples/gen_example_doxy.php \
 254              example_$(@:.dox=)  $(@:.dox=.c) > $@
 255
 256 %.dox: %.c
 257         @echo "    [DOXY] $@"
 258         @echo "/*!\page example_$(@:.dox=) $(@:.dox=)" > $@
 259         @echo "   \includelineno $(notdir $<)" >> $@
 260         @echo "*/" >> $@
 261
 262 samples.dox: examples.mk
 263         @echo "    [DOXY] $@"
 264         @echo "/*!\page samples Sample Code" > $@
 265         @echo "    This SDK includes a number of sample applications."\
 266               "each sample documents a feature of the SDK in both prose"\
 267               "and the associated C code. In general, later samples"\
 268               "build upon prior samples, so it is best to work through the"\
 269               "list in order. The following samples are included: ">>$@
 270         @$(foreach ex,$(GEN_EXAMPLES:.c=),\
 271            echo "     - \subpage example_$(ex) $($(ex).DESCRIPTION)" >> $@;)
 272         @echo >> $@
 273         @echo "    In addition, the SDK contains a number of utilities."\
 274               "Since these utilities are built upon the concepts described"\
 275               "in the sample code listed above, they are not documented in"\
 276               "pieces like the samples are. Thir sourcre is included here"\
 277               "for reference. The following utilities are included:" >> $@
 278         @$(foreach ex,$(UTILS:.c=),\
 279            echo "     - \subpage example_$(ex) $($(ex).DESCRIPTION)" >> $@;)
 280         @echo "*/" >> $@
 281
 282 CLEAN-OBJS += examples.doxy samples.dox $(ALL_EXAMPLES:.c=.dox)
 283 DOCS-yes += examples.doxy samples.dox $(ALL_EXAMPLES:.c=.dox)
 284 examples.doxy: samples.dox $(ALL_EXAMPLES:.c=.dox)
 285         @echo "INPUT += $^" > $@