/*************************************************************************** aviio.h AVI movie format parsing helpers. **************************************************************************** Copyright Aaron Giles All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name 'MAME' nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ***************************************************************************/ #ifndef __AVIIO_H__ #define __AVIIO_H__ #include "osdcore.h" #include "bitmap.h" /*************************************************************************** CONSTANTS ***************************************************************************/ enum avi_error { AVIERR_NONE = 0, AVIERR_END, AVIERR_INVALID_DATA, AVIERR_NO_MEMORY, AVIERR_READ_ERROR, AVIERR_WRITE_ERROR, AVIERR_STACK_TOO_DEEP, AVIERR_UNSUPPORTED_FEATURE, AVIERR_CANT_OPEN_FILE, AVIERR_INCOMPATIBLE_AUDIO_STREAMS, AVIERR_INVALID_SAMPLERATE, AVIERR_INVALID_STREAM, AVIERR_INVALID_FRAME, AVIERR_INVALID_BITMAP, AVIERR_UNSUPPORTED_VIDEO_FORMAT, AVIERR_UNSUPPORTED_AUDIO_FORMAT, AVIERR_EXCEEDED_SOUND_BUFFER }; enum avi_datatype { AVIDATA_VIDEO, AVIDATA_AUDIO_CHAN0, AVIDATA_AUDIO_CHAN1, AVIDATA_AUDIO_CHAN2, AVIDATA_AUDIO_CHAN3, AVIDATA_AUDIO_CHAN4, AVIDATA_AUDIO_CHAN5, AVIDATA_AUDIO_CHAN6, AVIDATA_AUDIO_CHAN7 }; /*************************************************************************** MACROS ***************************************************************************/ #define AVI_FOURCC(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24)) #define FORMAT_UYVY AVI_FOURCC('U','Y','V','Y') #define FORMAT_VYUY AVI_FOURCC('V','Y','U','Y') #define FORMAT_YUY2 AVI_FOURCC('Y','U','Y','2') #define FORMAT_HFYU AVI_FOURCC('H','F','Y','U') /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ struct avi_file; struct avi_movie_info { UINT32 video_format; /* format of video data */ UINT32 video_timescale; /* timescale for video data */ UINT32 video_sampletime; /* duration of a single video sample (frame) */ UINT32 video_numsamples; /* total number of video samples */ UINT32 video_width; /* width of the video */ UINT32 video_height; /* height of the video */ UINT32 video_depth; /* depth of the video */ UINT32 audio_format; /* format of audio data */ UINT32 audio_timescale; /* timescale for audio data */ UINT32 audio_sampletime; /* duration of a single audio sample */ UINT32 audio_numsamples; /* total number of audio samples */ UINT32 audio_channels; /* number of audio channels */ UINT32 audio_samplebits; /* number of bits per channel */ UINT32 audio_samplerate; /* sample rate of audio */ }; /*************************************************************************** PROTOTYPES ***************************************************************************/ avi_error avi_open(const char *filename, avi_file **file); avi_error avi_create(const char *filename, const avi_movie_info *info, avi_file **file); avi_error avi_close(avi_file *file); void avi_printf_chunks(avi_file *file); const char *avi_error_string(avi_error err); const avi_movie_info *avi_get_movie_info(avi_file *file); UINT32 avi_first_sample_in_frame(avi_file *file, UINT32 framenum); avi_error avi_read_video_frame(avi_file *file, UINT32 framenum, bitmap_yuy16 &bitmap); avi_error avi_read_sound_samples(avi_file *file, int channel, UINT32 firstsample, UINT32 numsamples, INT16 *output); avi_error avi_append_video_frame(avi_file *file, bitmap_yuy16 &bitmap); avi_error avi_append_video_frame(avi_file *file, bitmap_rgb32 &bitmap); avi_error avi_append_sound_samples(avi_file *file, int channel, const INT16 *samples, UINT32 numsamples, UINT32 sampleskip); #endif