lerabot
4 years ago
parent
92ed51bf70
commit
4b44c06b8d
9 changed files with 544 additions and 909 deletions
@ -1,38 +1,45 @@ |
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# Put the filename of the output binary here
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TARGET = dreamroq-player.elf
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DIR=$(PWD)
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# List all of your C files here, but change the extension to ".o"
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OBJS = dreamroq-player.o dreamroqlib.o
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all: rm-elf $(TARGET) |
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include $(KOS_BASE)/Makefile.rules |
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clean: |
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-rm -f $(TARGET) $(OBJS)
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rm-elf: |
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-rm -f $(TARGET)
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# If you don't need a ROMDISK, then remove "romdisk.o" from the next few
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# lines. Also change the -l arguments to include everything you need,
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# such as -lmp3, etc.. these will need to go _before_ $(KOS_LIBS)
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$(TARGET): $(OBJS) |
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$(KOS_CC) $(KOS_CFLAGS) $(KOS_LDFLAGS) -o $(TARGET) $(KOS_START) \
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$(OBJS) $(OBJEXTRA) $(KOS_LIBS)
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cd: $(TARGET) $(OBJS) |
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#elf transform ---- make sure the *.elf name matches your .elf file.
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sh-elf-objcopy -R .stack -O binary $(TARGET) output.bin
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#scraming process
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$(KOS_BASE)/utils/scramble/scramble output.bin 1ST_READ.bin
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#creating iso -> -o outputname.iso
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mkisofs -C 0,11702 -V DC_GAME -G IP.BIN -r -J -l -m '*.o' -x $(DIR)/builds -o $(DIR)/builds/$(TARGET).iso $(DIR)
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run: $(CD) |
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lxdream builds/$(TARGET).iso
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dist: |
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rm -f $(OBJS) romdisk.o romdisk.img
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$(KOS_STRIP) $(TARGET)
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# Put the filename of the output binary here
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TARGET = dreamroq-player.elf
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PROJECT_NAME = dreamroq_ph3nom
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DIR=$(PWD)
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# List all of your C files here, but change the extension to ".o"
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OBJS = dreamroq-player.o dreamroqlib.o
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#AICA Audio Driver
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KOS_CFLAGS += -I. -Ilibdcmc/
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OBJS += libdcmc/snddrv.o
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#PVR Video Driver
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OBJS += libdcmc/pvrdrv.o
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all: rm-elf $(TARGET) |
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include $(KOS_BASE)/Makefile.rules |
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clean: |
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-rm -f $(TARGET) $(OBJS)
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rm-elf: |
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-rm -f $(TARGET)
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# If you don't need a ROMDISK, then remove "romdisk.o" from the next few
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# lines. Also change the -l arguments to include everything you need,
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# such as -lmp3, etc.. these will need to go _before_ $(KOS_LIBS)
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$(TARGET): $(OBJS) |
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$(KOS_CC) $(KOS_CFLAGS) $(KOS_LDFLAGS) -o $(TARGET) $(KOS_START) \
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$(OBJS) $(OBJEXTRA) $(KOS_LIBS)
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run: $(TARGET) |
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$(KOS_LOADER) $(TARGET)
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cd: $(TARGET) |
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@sh-elf-objcopy -R .stack -O binary $(TARGET) output.bin
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@$(KOS_BASE)/utils/scramble/scramble output.bin 1ST_READ.BIN
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@mkisofs -C 0,11702 -V Reaperi_Cycle -G $(KOS_BASE)/IP.BIN -r -J -l -m '*.o' -o ../$(PROJECT_NAME).iso $(DIR)
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@$(KOS_BASE)/utils/cdi4dc/cdi4dc ../$(PROJECT_NAME).iso ../$(PROJECT_NAME).cdi -d > cdi4dc.log
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../redream ../$(PROJECT_NAME).cdi
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dist: |
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rm -f $(OBJS) romdisk.o romdisk.img
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$(KOS_STRIP) $(TARGET)
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@ -1,82 +1,131 @@ |
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# Dreamroq Library |
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_This is a fork of the original project, we're currently trying to have the video play at the desired framerate._ |
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### Introduction |
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Dreamroq is a RoQ playback library designed for the Sega Dreamcast video |
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game console. |
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RoQ is a relatively simple video file format developed for video-heavy |
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CD-ROM games. Read more about the format here: |
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http://wiki.multimedia.cx/index.php?title=RoQ |
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The Dreamroq library includes a player component that is designed to run |
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under the KallistiOS (KOS) open source operating system. Read more about |
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KOS at: |
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http://gamedev.allusion.net/softprj/kos/ |
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The library also includes a sample testing utility that can be built |
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and executed on Unix systems. This utility is useful for debugging and |
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validation. |
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RoQ sample files can be found at: |
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http://samples.mplayerhq.hu/game-formats/idroq/ |
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RoQ files can also be created using the Switchblade encoder: |
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http://icculus.org/~riot/ |
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Or by using FFmpeg: |
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`ffmpeg -i input_video.mp4 -o output_video.roq` |
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http://ffmpeg.org/ |
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### License |
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Dreamroq is meant to be license-compatible with the rest of the KallistiOS |
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operating system, which is a BSD-style open source license. You can read |
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the specific text in LICENSE.KOS. |
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### Building (KOS) |
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`make` |
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This is a standard KOS Makefile which assumes that a KOS build environment |
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is available. This is covered in the KOS documentation. This step will |
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build a file named dreamroq-player.elf which can be loaded onto a Dreamcast |
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console via standard means (also outside the scope of this document). |
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|
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The file dreamcast-player.c contains a hardcoded RoQ file path in its |
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main function. It is best if this points to a file burned on an optical |
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disc. It is also viable to build a small RoQ file as a ROM disk into the |
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ELF file (which is well supported in KOS) and load the file from the '/rd' |
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mount point. |
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### Bugs, Issues, and Future Development |
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The player is just a proof of concept at this point. It doesn't try to |
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render frames with proper timing-- it just plays them as fast as possible |
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(which often isn't very fast, mostly due to the I/O bottleneck). |
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If the RoQ video is taller than it is wide, expect some odd rendering. |
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The API between the library and the client app leaves a bit to be desired. |
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Notably absent is some proper initialization and teardown mechanism. |
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Currently, the first call to the render callback initializes the PVR buffers |
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but they are never explicitly freed. |
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### Credits |
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Library originally written by Mike Melanson (mike -at- multimedia.cx) |
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Audio support added by Josh "PH3NOM" Pearson ([email protected]) |
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Audio and framerate fix by MrNeo240 and lerabot |
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Dreamroq by Mike Melanson (mike -at- multimedia.cx) |
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R2 update by Josh Pearson ([email protected]) |
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Introduction |
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============ |
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Dreamroq is a RoQ playback library designed for the Sega Dreamcast video |
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game console. |
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|
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RoQ is a relatively simple video file format developed for video-heavy |
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CD-ROM games. Read more about the format here: |
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|
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http://wiki.multimedia.cx/index.php?title=RoQ |
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|
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The Dreamroq library includes a player component that is designed to run |
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under the KallistiOS (KOS) open source operating system. Read more about |
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KOS at: |
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|
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http://gamedev.allusion.net/softprj/kos/ |
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|
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The library also includes a sample testing utility that can be built |
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and executed on Unix systems. This utility is useful for debugging and |
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validation. |
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|
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RoQ sample files can be found at: |
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|
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http://samples.mplayerhq.hu/game-formats/idroq/ |
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|
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RoQ files can also be created using the Switchblade encoder: |
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http://icculus.org/~riot/ |
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A version of Switchblade is also included in FFmpeg and many derivative |
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programs: |
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http://ffmpeg.org/ |
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License |
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======= |
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Dreamroq is meant to be license-compatible with the rest of the KallistiOS |
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operating system, which is a BSD-style open source license. You can read |
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the specific text in LICENSE.KOS. |
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Building (Unix) |
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=============== |
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To build and test on Linux/Mac OS X/Cygwin, simply type: |
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make |
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in the source directory. This will build the executable test-dreamroq. This |
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utility has the following usage: |
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./test-dreamroq <file.roq> |
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This will decode the RoQ file from the command line into a series of PNM |
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files in the current working directory (watch out-- this could take up a |
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lot of disk space). |
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Building (KOS) |
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============== |
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There are 2 Makefiles included with Dreamroq. The first -- implicitly |
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invoked when running a bare 'make' command as seen in the "Building (Unix)" |
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section -- builds the test utility. The second Makefile is Makefile.KOS, |
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invoked with: |
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make -f Makefile.KOS |
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This is a standard KOS Makefile which assumes that a KOS build environment |
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is available. This is covered in the KOS documentation. This step will |
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build a file named dreamroq-player.elf which can be loaded onto a Dreamcast |
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console via standard means (also outside the scope of this document). |
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|
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The file dreamcast-player.c contains a hardcoded RoQ file path in its |
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main function. It is best if this points to a file burned on an optical |
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disc. It is also viable to build a small RoQ file as a ROM disk into the |
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ELF file (which is well supported in KOS) and load the file from the '/rd' |
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mount point. |
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Bugs, Issues, and Future Development |
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==================================== |
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:R2 Release by PH3NOM: |
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I have updated the dreamroq library to support decoding of DPCM |
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audio samples encoded in the RoQ stream. |
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The KOS Dreamcast player has been updated to support streaming |
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of the decoded samples, directly using the Dreamcast's AICA |
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audio hardware, running in a seperate thread. |
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DMA transfers to the PVR and rendering of the frame is executed |
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in a seperate thread, so the decoder can continue to process the |
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next frame while the current frame is being processed by the PVR. |
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Furthermore, a frame-rate timer has been implemented, so the video |
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should be played back at correct speed. Also, the allocated PVR |
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memory is now freed on exit of the player. |
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==================================== |
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/* deprecated */ |
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The library only does video playback; no sound right now. |
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The video decoder is not 100% correct yet. You will likely notice a few |
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artifacts which need to be ironed out. |
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Many of the video rendering modes could be optimized slightly by copying |
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pairs of pixels as 32-bit units. This should work on any mode except motion |
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compensated blocks; the latter could experience alignment issues which |
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the DC's SH-4 can't handle. |
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The library is a tad slow. Profiling indicates that the main bottleneck |
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is loading data from disc; the video decoder itself is pretty fast. The |
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player might benefit by moving data loading (I/O-bound operation) into a |
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separate thread. For that matter, the phase which sends the decoded |
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texture to the graphics hardware via DMA and renders it should also be |
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in a separate thread. |
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|
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The player is just a proof of concept at this point. It doesn't try to |
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render frames with proper timing-- it just plays them as fast as possible |
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(which often isn't very fast, mostly due to the I/O bottleneck). |
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|
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If the RoQ video is taller than it is wide, expect some odd rendering. |
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|
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The API between the library and the client app leaves a bit to be desired. |
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Notably absent is some proper initialization and teardown mechanism. |
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Currently, the first call to the render callback initializes the PVR buffers |
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but they are never explicitly freed. |
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@ -1,152 +1,193 @@ |
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/*
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* Dreamroq by Mike Melanson |
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* |
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* This is the sample Dreamcast player app, designed to be run under |
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* the KallistiOS operating system. |
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*/ |
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#include <kos.h> |
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#include "dreamroqlib.h" |
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static pvr_ptr_t textures[2]; |
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static int current_frame = 0; |
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static int render_cb(void *buf_ptr, int width, int height, int stride, |
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int texture_height, int colorspace) |
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{ |
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pvr_poly_cxt_t cxt; |
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static pvr_poly_hdr_t hdr[2]; |
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static pvr_vertex_t vert[4]; |
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unsigned short *buf = (unsigned short*)buf_ptr; |
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float ratio; |
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/* screen coordinates of upper left and bottom right corners */ |
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static int ul_x, ul_y, br_x, br_y; |
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static int graphics_initialized = 0; |
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if (colorspace != ROQ_RGB565) |
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return ROQ_RENDER_PROBLEM; |
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/* on first call, initialize textures and drawing coordinates */ |
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if (!graphics_initialized) |
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{ |
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textures[0] = pvr_mem_malloc(stride * texture_height * 2); |
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textures[1] = pvr_mem_malloc(stride * texture_height * 2); |
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if (!textures[0] || !textures[1]) |
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{ |
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return ROQ_RENDER_PROBLEM; |
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} |
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/* Precompile the poly headers */ |
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pvr_poly_cxt_txr(&cxt, PVR_LIST_OP_POLY, PVR_TXRFMT_RGB565 | PVR_TXRFMT_NONTWIDDLED, stride, texture_height, textures[0], PVR_FILTER_NONE); |
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pvr_poly_compile(&hdr[0], &cxt); |
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pvr_poly_cxt_txr(&cxt, PVR_LIST_OP_POLY, PVR_TXRFMT_RGB565 | PVR_TXRFMT_NONTWIDDLED, stride, texture_height, textures[1], PVR_FILTER_NONE); |
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pvr_poly_compile(&hdr[1], &cxt); |
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/* this only works if width ratio <= height ratio */ |
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ratio = 640.0 / width; |
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ul_x = 0; |
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br_x = (ratio * stride); |
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ul_y = ((480 - ratio * height) / 2); |
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br_y = ul_y + ratio * texture_height; |
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/* Things common to vertices */ |
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vert[0].z = vert[1].z = vert[2].z = vert[3].z = 1.0f; |
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vert[0].argb = vert[1].argb = vert[2].argb = vert[3].argb = PVR_PACK_COLOR(1.0f, 1.0f, 1.0f, 1.0f); |
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vert[0].oargb = vert[1].oargb = vert[2].oargb = vert[3].oargb = 0; |
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vert[0].flags = vert[1].flags = vert[2].flags = PVR_CMD_VERTEX; |
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vert[3].flags = PVR_CMD_VERTEX_EOL; |
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vert[0].x = ul_x; |
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vert[0].y = ul_y; |
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vert[0].u = 0.0; |
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vert[0].v = 0.0; |
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vert[1].x = br_x; |
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vert[1].y = ul_y; |
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vert[1].u = 1.0; |
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vert[1].v = 0.0; |
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vert[2].x = ul_x; |
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vert[2].y = br_y; |
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vert[2].u = 0.0; |
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vert[2].v = 1.0; |
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vert[3].x = br_x; |
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vert[3].y = br_y; |
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vert[3].u = 1.0; |
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vert[3].v = 1.0; |
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graphics_initialized = 1; |
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} |
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/* send the video frame as a texture over to video RAM */ |
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pvr_txr_load(buf, textures[current_frame], stride * texture_height * 2); |
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pvr_wait_ready(); |
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pvr_scene_begin(); |
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pvr_list_begin(PVR_LIST_OP_POLY); |
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pvr_prim(&hdr[current_frame], sizeof(pvr_poly_hdr_t)); |
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pvr_prim(&vert[0], sizeof(pvr_vertex_t)); |
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pvr_prim(&vert[1], sizeof(pvr_vertex_t)); |
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pvr_prim(&vert[2], sizeof(pvr_vertex_t)); |
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pvr_prim(&vert[3], sizeof(pvr_vertex_t)); |
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pvr_list_finish(); |
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pvr_scene_finish(); |
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if (current_frame) |
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current_frame = 0; |
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else |
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current_frame = 1; |
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return ROQ_SUCCESS; |
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} |
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int audio_cb(unsigned char *buf_rgb565, int samples, int channels) |
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{ |
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return ROQ_SUCCESS; |
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} |
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static int quit_cb() |
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{ |
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maple_device_t *cont; //Controller
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cont_state_t *state; //State of inputs
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/* check controller state */ |
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state = maple_dev_status(cont); |
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// If the state/controller is unavailable
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if(!state) { |
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printf("Error reading controller\n"); |
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return(0); |
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} |
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state->buttons = ~state->buttons; |
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return (state->buttons & CONT_START); |
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} |
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int finish_cb() |
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{ |
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return ROQ_SUCCESS; |
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} |
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int main() |
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{ |
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int status; |
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roq_callbacks_t cbs; |
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cbs.render_cb = render_cb; |
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cbs.audio_cb = audio_cb; |
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cbs.quit_cb = quit_cb; |
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cbs.finish_cb = finish_cb; |
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vid_set_mode(DM_640x480_NTSC_IL, PM_RGB565); |
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pvr_init_defaults(); |
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status = dreamroq_play("/cd/cube_v1.roq", ROQ_RGB565, 1, &cbs); |
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printf("dreamroq_play() status = %d\n", status); |
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return 0; |
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} |
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/*
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* Dreamroq by Mike Melanson |
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* Updated by Josh Pearson to add audio support |
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* |
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* This is the sample Dreamcast player app, designed to be run under |
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* the KallistiOS operating system. |
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*/ |
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|
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <dc/maple.h> |
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#include <dc/maple/controller.h> |
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#include <kos/mutex.h> |
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#include <kos/thread.h> |
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|
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#include "dreamroqlib.h" |
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#include "pvr_driver.h" |
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#include "snddrv.h" |
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|
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/* Audio Global variables */ |
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#define PCM_BUF_SIZE 1024*1024 |
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static unsigned char *pcm_buf = NULL; |
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static int pcm_size = 0; |
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static int audio_init = 0; |
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static mutex_t * pcm_mut; |
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static long samples_done = 0; |
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|
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/* Video Global variables */ |
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static int graphics_initialized = 0; |
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static int frame=0; |
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static kthread_t * render_thread; /* Video thread */ |
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static volatile int render_thd = 0; /* Video thread status */ |
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static const float VIDEO_RATE = 30.0f; /* Video FPS */ |
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|
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/* PVR Driver Handle */ |
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static struct pvr_frame roq_vram_ptr; |
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static struct pvr_frame_vertex roq_vram_vertex; |
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|
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static float ATS = 0, VTS = 0; /* A/V Timestamps For Synchronization */ |
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|
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/* This is called by the AICA Sound Driver when it needs more samples */ |
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void *audio_drv_cb ( snd_stream_hnd_t hnd, int pcm_needed, int * pcm_done ) |
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{ |
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/* Wait for RoQ Decoder to produce enough samples */ |
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while( pcm_size < pcm_needed ) |
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thd_pass(); |
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/* Copy the Requested PCM Samples to the AICA Driver */ |
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mutex_lock( pcm_mut ); |
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memcpy( snddrv.pcm_buffer, pcm_buf, pcm_needed ); |
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pcm_size -= pcm_needed; |
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memmove( pcm_buf, pcm_buf+pcm_needed, pcm_size ); |
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mutex_unlock( pcm_mut ); |
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samples_done += pcm_needed; /* Record the Audio Time Stamp */ |
||||
ATS = (samples_done/(double)snddrv.rate)/((double)snddrv.channels*2.0); |
||||
|
||||
snddrv.pcm_ptr = snddrv.pcm_buffer; |
||||
*pcm_done = pcm_needed; |
||||
|
||||
return snddrv.pcm_ptr; /* Return the requested samples to the AICA driver */ |
||||
} |
||||
|
||||
static int audio_cb( unsigned char *buf, int size, int channels) |
||||
{ |
||||
if(!audio_init) |
||||
{ |
||||
/* allocate PCM buffer */ |
||||
pcm_buf = malloc(PCM_BUF_SIZE); |
||||
if( pcm_buf == NULL ) |
||||
return ROQ_NO_MEMORY; |
||||
|
||||
/* Start AICA Driver */ |
||||
snddrv_start_cb( 22050, channels, audio_drv_cb ); |
||||
snddrv.dec_status = SNDDEC_STATUS_STREAMING; |
||||
|
||||
/* Create a mutex to handle the double-threaded buffer */ |
||||
mutex_init(pcm_mut, MUTEX_TYPE_NORMAL); |
||||
|
||||
|
||||
audio_init=1; |
||||
} |
||||
|
||||
/* Copy the decoded PCM samples to our local PCM buffer */ |
||||
mutex_lock( pcm_mut ); |
||||
memcpy(pcm_buf+pcm_size, buf, size); |
||||
pcm_size += size; |
||||
mutex_unlock( pcm_mut ); |
||||
|
||||
return ROQ_SUCCESS; |
||||
} |
||||
|
||||
static void *video_thd(void *ptr) |
||||
{ |
||||
render_thd=1; /* Signal Thread is active */ |
||||
|
||||
/* Match the Auido and Video Time Stamps */ |
||||
VTS = ++frame / VIDEO_RATE; |
||||
while( ATS < VTS ) thd_pass(); |
||||
|
||||
/* Draw the frame using the PVR */ |
||||
pvr_draw_frame_dma(&roq_vram_ptr); |
||||
printf("Rendered Frame %u\n", frame); |
||||
render_thd=0; /* Signal Thread is finished */ |
||||
} |
||||
|
||||
static int render_cb(unsigned short *buf, int width, int height, int stride, |
||||
int texture_height) |
||||
{ |
||||
/* on first call, initialize textures and drawing coordinates */ |
||||
if (!graphics_initialized) |
||||
{ |
||||
/* Allocate VRAM for current texture */ |
||||
pvr_malloc( &roq_vram_ptr, width, height ); |
||||
|
||||
/* Compile the PVR Driver Handle */ |
||||
//pvr_resize_resolution( roq_vram_ptr, &roq_vram_vertex );
|
||||
pvr_set_resolution( roq_vram_ptr, 0, 0, 640, 480, &roq_vram_vertex ); |
||||
pvr_compile_poly(roq_vram_vertex, &roq_vram_ptr, |
||||
PVR_LIST_OP_POLY, PVR_TXRFMT_RGB565 | PVR_TXRFMT_NONTWIDDLED, 10.0f); |
||||
|
||||
graphics_initialized = 1; |
||||
} |
||||
|
||||
/* Wait for last frame to finish render */ |
||||
while(render_thd) |
||||
thd_pass(); |
||||
|
||||
/* Current decoded frame */ |
||||
pvr_dma_load( (unsigned char *)buf, &roq_vram_ptr); |
||||
|
||||
/* Create a thread to render the current frame */ |
||||
//Try 1 onr 0 for first arg
|
||||
render_thread = thd_create(0, video_thd, NULL); |
||||
|
||||
return ROQ_SUCCESS; |
||||
} |
||||
|
||||
maple_device_t *cont; //Controller
|
||||
cont_state_t *state; //State of inputs
|
||||
static int quit_cb() |
||||
{ |
||||
cont = maple_enum_type(0, MAPLE_FUNC_CONTROLLER); |
||||
/* check controller state */ |
||||
state = maple_dev_status(cont); |
||||
|
||||
// If the state/controller is unavailable
|
||||
if(!state) { |
||||
printf("Error reading controller\n"); |
||||
return(0); |
||||
} |
||||
|
||||
state->buttons = ~state->buttons; |
||||
return (state->buttons & CONT_START); |
||||
} |
||||
|
||||
int main() |
||||
{ |
||||
int status=0; |
||||
|
||||
vid_set_mode(DM_640x480, PM_RGB565); |
||||
pvr_init_defaults(); |
||||
pvr_dma_init(); |
||||
|
||||
printf("dreamroq_play(C) Multimedia Mike Melanson & Josh PH3NOM Pearson 2011\n"); |
||||
|
||||
/* To disable a callback, simply replace the function name by 0 */ |
||||
status = dreamroq_play("/cd/sample.roq", 1, render_cb, 0, 0); |
||||
|
||||
printf("dreamroq_play() status = %d\n", status); |
||||
|
||||
if(audio_init) |
||||
{ |
||||
free( pcm_buf ); |
||||
pcm_buf = NULL; |
||||
pcm_size = 0; |
||||
samples_done = 0; |
||||
mutex_destroy(pcm_mut); /* Destroy the PCM mutex */ |
||||
snddrv_exit(); /* Exit the AICA Driver */ |
||||
} |
||||
|
||||
if(graphics_initialized) |
||||
{ |
||||
pvr_free( &roq_vram_ptr ); /* Free the PVR memory */ |
||||
} |
||||
|
||||
pvr_dma_shutdown(); |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
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