utils/zenutils/source/firmware_extract

/***************************************************************************
*             __________               __   ___.
*   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
*   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
*   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
*   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
*                     \/            \/     \/    \/            \/
* $Id$
*
* Plugin for video playback
* Reads raw image data + audio data from a file
* !!!!!!!!!! Code Police free zone !!!!!!!!!!
*
* Copyright (C) 2003-2004 J�g Hohensohn aka [IDC]Dragon
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/


/****************** imports ******************/

#include "plugin.h"
#include "sh7034.h"
#include "system.h"
#include "helper.h"

#ifndef SIMULATOR /* not for simulator by now */
#ifdef HAVE_LCD_BITMAP /* and definitely not for the Player, haha */

PLUGIN_HEADER

/* variable button definitions */
#if CONFIG_KEYPAD == RECORDER_PAD
#define VIDEO_STOP_SEEK BUTTON_PLAY
#define VIDEO_RESUME BUTTON_PLAY
#define VIDEO_DEBUG BUTTON_F1
#define VIDEO_CONTRAST_DOWN BUTTON_F2
#define VIDEO_CONTRAST_UP BUTTON_F3

#elif CONFIG_KEYPAD == ONDIO_PAD
#define VIDEO_STOP_SEEK_PRE BUTTON_MENU
#define VIDEO_STOP_SEEK (BUTTON_MENU | BUTTON_REL)
#define VIDEO_RESUME BUTTON_RIGHT
#define VIDEO_CONTRAST_DOWN (BUTTON_MENU | BUTTON_DOWN)
#define VIDEO_CONTRAST_UP (BUTTON_MENU | BUTTON_UP)

#endif
/****************** constants ******************/

#define SCREENSIZE (LCD_WIDTH*LCD_HEIGHT/8) /* in bytes */
#define FPS 68 /* default fps for headerless (old video-only) file */
#define MAX_ACC 20 /* maximum FF/FR speedup */
#define FF_TICKS 3000; /* experimentally found nice */

/* trigger levels, we need about 80 kB/sec */
#define SPINUP_INIT 5000 /* from what level on to refill, in milliseconds */
#define SPINUP_SAFETY 700 /* how much on top of the measured spinup time */
#define CHUNK (1024*32) /* read size */


/****************** prototypes ******************/
void timer4_isr(void); /* IMIA4 ISR */
int check_button(void); /* determine next relative frame */


/****************** data types ******************/

/* plugins don't introduce headers, so structs are repeated from rvf_format.h */

#define HEADER_MAGIC 0x52564668 /* "RVFh" at file start  */
#define AUDIO_MAGIC  0x41756446 /* "AudF" for each audio block */
#define FILEVERSION  100 /* 1.00 */

/* format type definitions */
#define VIDEOFORMAT_NO_VIDEO       0
#define VIDEOFORMAT_RAW            1
#define AUDIOFORMAT_NO_AUDIO       0
#define AUDIOFORMAT_MP3            1
#define AUDIOFORMAT_MP3_BITSWAPPED 2

/* bit flags */
#define FLAG_LOOP 0x00000001 /* loop the playback, e.g. for stills */

typedef struct /* contains whatever might be useful to the player */
{
    /* general info (16 entries = 64 byte) */
    unsigned long magic; /* HEADER_MAGIC */
    unsigned long version; /* file version */
    unsigned long flags; /* combination of FLAG_xx */
    unsigned long blocksize; /* how many bytes per block (=video frame) */
    unsigned long bps_average; /* bits per second of the whole stream */
    unsigned long bps_peak; /* max. of above (audio may be VBR) */
    unsigned long resume_pos; /* file position to resume to */
    unsigned long reserved[9]; /* reserved, should be zero */

    /* video info (16 entries = 64 byte) */
    unsigned long video_format; /* one of VIDEOFORMAT_xxx */
    unsigned long video_1st_frame; /* byte position of first video frame */
    unsigned long video_duration; /* total length of video part, in ms */
    unsigned long video_payload_size; /* total amount of video data, in bytes */
    unsigned long video_bitrate; /* derived from resolution and frame time, in bps */
    unsigned long video_frametime; /* frame interval in 11.0592 MHz clocks */
    long video_preroll; /* video is how much ahead, in 11.0592 MHz clocks */
    unsigned long video_width; /* in pixels */
    unsigned long video_height; /* in pixels */
    unsigned long video_reserved[7]; /* reserved, should be zero */

    /* audio info (16 entries = 64 byte) */
    unsigned long audio_format; /* one of AUDIOFORMAT_xxx */
    unsigned long audio_1st_frame; /* byte position of first video frame */
    unsigned long audio_duration; /* total length of audio part, in ms */
    unsigned long audio_payload_size; /* total amount of audio data, in bytes */
    unsigned long audio_avg_bitrate; /* average audio bitrate, in bits per second */
    unsigned long audio_peak_bitrate; /* maximum bitrate */
    unsigned long audio_headersize; /* offset to payload in audio frames */
    long audio_min_associated; /* minimum offset to video frame, in bytes */
    long audio_max_associated; /* maximum offset to video frame, in bytes */
    unsigned long audio_reserved[7]; /* reserved, should be zero */

    /* more to come... ? */

    /* Note: padding up to 'blocksize' with zero following this header */
} tFileHeader;

typedef struct /* the little header for all audio blocks */
{
    unsigned long magic; /* AUDIO_MAGIC indicates an audio block */
    unsigned char previous_block; /* previous how many blocks backwards */
    unsigned char next_block; /* next how many blocks forward */
    short associated_video; /* offset to block with corresponding video */
    unsigned short frame_start; /* offset to first frame starting in this block */
    unsigned short frame_end; /* offset to behind last frame ending in this block */
} tAudioFrameHeader;


/****************** globals ******************/

static struct plugin_api* rb; /* here is a global api struct pointer */
static char gPrint[32]; /* a global printf buffer, saves stack */


/* playstate */
static struct 
{
    enum 
    {
        paused,
        playing,
    } state;
    bool bAudioUnderrun;
    bool bVideoUnderrun;
    bool bHasAudio;
    bool bHasVideo;
    int nTimeOSD; /* OSD should stay for this many frames */
    bool bDirtyOSD; /* OSD needs redraw */
    bool bRefilling; /* set if refilling buffer */
    bool bSeeking;
    int nSeekAcc; /* accelleration value for seek */
    int nSeekPos; /* current file position for seek */
    bool bDiskSleep; /* disk is suspended */
#if FREQ == 12000000 /* Ondio speed kludge */
    int nFrameTimeAdjusted;
#endif
} gPlay;

/* buffer information */
static struct
{
    ssize_t bufsize;
    int granularity; /* common multiple of block and sector size */
    unsigned char* pBufStart; /* start of ring buffer */
    unsigned char* pBufEnd; /* end of ring buffer */
    unsigned char* pOSD; /* OSD memory (112 bytes for 112*8 pixels) */

    int vidcount; /* how many video blocks are known in a row */
    unsigned char* pBufFill; /* write pointer for disk, owned by main task */
Mode	Name	Size
-rw-r--r--	CMakeLists.txt	90	log plain
-rw-r--r--	main.cpp	7428	log plain