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/***************************************************************************

    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__

#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
};
typedef enum _avi_error avi_error;


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
};
typedef enum _avi_datatype avi_datatype;



/***************************************************************************
    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
***************************************************************************/

typedef struct _avi_file avi_file;


typedef struct _avi_movie_info avi_movie_info;
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_yuy16(avi_file *file, UINT32 framenum, bitmap_t *bitmap);
avi_error avi_read_sound_samples(avi_file *file, int channel, UINT32 firstsample, UINT32 numsamples, INT16 *output);

avi_error avi_append_video_frame_yuy16(avi_file *file, const bitmap_t *bitmap);
avi_error avi_append_video_frame_rgb32(avi_file *file, const bitmap_t *bitmap);
avi_error avi_append_sound_samples(avi_file *file, int channel, const INT16 *samples, UINT32 numsamples, UINT32 sampleskip);

#endif