796 lines
20 KiB
C++
796 lines
20 KiB
C++
/*
|
|
* This file is part of the DXX-Rebirth project <http://www.dxx-rebirth.com/>.
|
|
* It is copyright by its individual contributors, as recorded in the
|
|
* project's Git history. See COPYING.txt at the top level for license
|
|
* terms and a link to the Git history.
|
|
*/
|
|
//#define DEBUG
|
|
|
|
#include <vector>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <sys/time.h>
|
|
#ifdef _WIN32
|
|
# include <windows.h>
|
|
#else
|
|
# include <errno.h>
|
|
# include <fcntl.h>
|
|
# ifdef macintosh
|
|
# include <types.h>
|
|
# include <OSUtils.h>
|
|
# else
|
|
# include <sys/types.h>
|
|
# include <sys/stat.h>
|
|
# include <unistd.h>
|
|
# endif // macintosh
|
|
#endif // _WIN32
|
|
|
|
#include <SDL.h>
|
|
#ifdef USE_SDLMIXER
|
|
#include <SDL_mixer.h>
|
|
#endif
|
|
|
|
#include "digi.h"
|
|
#include "mvelib.h"
|
|
#include "mve_audio.h"
|
|
#include "byteutil.h"
|
|
#include "decoders.h"
|
|
#include "libmve.h"
|
|
#include "args.h"
|
|
#include "console.h"
|
|
#include "u_mem.h"
|
|
|
|
#include "compiler-exchange.h"
|
|
#include "compiler-make_unique.h"
|
|
|
|
#define MVE_OPCODE_ENDOFSTREAM 0x00
|
|
#define MVE_OPCODE_ENDOFCHUNK 0x01
|
|
#define MVE_OPCODE_CREATETIMER 0x02
|
|
#define MVE_OPCODE_INITAUDIOBUFFERS 0x03
|
|
#define MVE_OPCODE_STARTSTOPAUDIO 0x04
|
|
#define MVE_OPCODE_INITVIDEOBUFFERS 0x05
|
|
|
|
#define MVE_OPCODE_DISPLAYVIDEO 0x07
|
|
#define MVE_OPCODE_AUDIOFRAMEDATA 0x08
|
|
#define MVE_OPCODE_AUDIOFRAMESILENCE 0x09
|
|
#define MVE_OPCODE_INITVIDEOMODE 0x0A
|
|
|
|
#define MVE_OPCODE_SETPALETTE 0x0C
|
|
#define MVE_OPCODE_SETPALETTECOMPRESSED 0x0D
|
|
|
|
#define MVE_OPCODE_SETDECODINGMAP 0x0F
|
|
|
|
#define MVE_OPCODE_VIDEODATA 0x11
|
|
|
|
#define MVE_AUDIO_FLAGS_STEREO 1
|
|
#define MVE_AUDIO_FLAGS_16BIT 2
|
|
#define MVE_AUDIO_FLAGS_COMPRESSED 4
|
|
|
|
int g_spdFactorNum=0;
|
|
static int g_spdFactorDenom=10;
|
|
static int g_frameUpdated = 0;
|
|
|
|
static int16_t get_short(const unsigned char *data)
|
|
{
|
|
short value;
|
|
value = data[0] | (data[1] << 8);
|
|
return value;
|
|
}
|
|
|
|
static uint16_t get_ushort(const unsigned char *data)
|
|
{
|
|
unsigned short value;
|
|
value = data[0] | (data[1] << 8);
|
|
return value;
|
|
}
|
|
|
|
static int32_t get_int(const unsigned char *data)
|
|
{
|
|
int value;
|
|
value = data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24);
|
|
return value;
|
|
}
|
|
|
|
/*************************
|
|
* general handlers
|
|
*************************/
|
|
static int end_movie_handler(unsigned char, unsigned char, const unsigned char *, int, void *)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/*************************
|
|
* timer handlers
|
|
*************************/
|
|
|
|
#if !defined(HAVE_STRUCT_TIMEVAL) || !HAVE_STRUCT_TIMEVAL
|
|
struct timeval
|
|
{
|
|
long tv_sec;
|
|
long tv_usec;
|
|
};
|
|
#endif
|
|
|
|
/*
|
|
* timer variables
|
|
*/
|
|
static int timer_created = 0;
|
|
static int micro_frame_delay=0;
|
|
static int timer_started=0;
|
|
static struct timeval timer_expire = {0, 0};
|
|
|
|
#ifndef _TIMESPEC_DEFINED
|
|
#if !defined(HAVE_STRUCT_TIMESPEC) || !HAVE_STRUCT_TIMESPEC
|
|
struct timespec
|
|
{
|
|
long int tv_sec; /* Seconds. */
|
|
long int tv_nsec; /* Nanoseconds. */
|
|
};
|
|
#endif
|
|
#endif
|
|
|
|
#if defined(_WIN32) || defined(macintosh)
|
|
int gettimeofday(struct timeval *tv, void *)
|
|
{
|
|
static int counter = 0;
|
|
#ifdef _WIN32
|
|
DWORD now = GetTickCount();
|
|
#else
|
|
long now = TickCount();
|
|
#endif
|
|
counter++;
|
|
|
|
tv->tv_sec = now / 1000;
|
|
tv->tv_usec = (now % 1000) * 1000 + counter;
|
|
|
|
return 0;
|
|
}
|
|
#endif // defined(_WIN32) || defined(macintosh)
|
|
|
|
|
|
static int create_timer_handler(unsigned char, unsigned char, const unsigned char *data, int, void *)
|
|
{
|
|
|
|
#if !defined(_WIN32) && !defined(macintosh) // FIXME
|
|
__extension__ long long temp;
|
|
#else
|
|
long temp;
|
|
#endif
|
|
|
|
if (timer_created)
|
|
return 1;
|
|
else
|
|
timer_created = 1;
|
|
|
|
micro_frame_delay = get_int(data) * (int)get_short(data+4);
|
|
if (g_spdFactorNum != 0)
|
|
{
|
|
temp = micro_frame_delay;
|
|
temp *= g_spdFactorNum;
|
|
temp /= g_spdFactorDenom;
|
|
micro_frame_delay = (int)temp;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void timer_stop(void)
|
|
{
|
|
timer_expire.tv_sec = 0;
|
|
timer_expire.tv_usec = 0;
|
|
timer_started = 0;
|
|
}
|
|
|
|
static void timer_start(void)
|
|
{
|
|
int nsec=0;
|
|
gettimeofday(&timer_expire, NULL);
|
|
timer_expire.tv_usec += micro_frame_delay;
|
|
if (timer_expire.tv_usec > 1000000)
|
|
{
|
|
nsec = timer_expire.tv_usec / 1000000;
|
|
timer_expire.tv_sec += nsec;
|
|
timer_expire.tv_usec -= nsec*1000000;
|
|
}
|
|
timer_started=1;
|
|
}
|
|
|
|
static void do_timer_wait(void)
|
|
{
|
|
int nsec=0;
|
|
struct timespec ts;
|
|
struct timeval tv;
|
|
if (! timer_started)
|
|
return;
|
|
|
|
gettimeofday(&tv, NULL);
|
|
if (tv.tv_sec > timer_expire.tv_sec)
|
|
goto end;
|
|
else if (tv.tv_sec == timer_expire.tv_sec && tv.tv_usec >= timer_expire.tv_usec)
|
|
goto end;
|
|
|
|
ts.tv_sec = timer_expire.tv_sec - tv.tv_sec;
|
|
ts.tv_nsec = 1000 * (timer_expire.tv_usec - tv.tv_usec);
|
|
if (ts.tv_nsec < 0)
|
|
{
|
|
ts.tv_nsec += 1000000000UL;
|
|
--ts.tv_sec;
|
|
}
|
|
#ifdef _WIN32
|
|
Sleep(ts.tv_sec * 1000 + ts.tv_nsec / 1000000);
|
|
#elif defined(macintosh)
|
|
Delay(ts.tv_sec * 1000 + ts.tv_nsec / 1000000, NULL);
|
|
#else
|
|
if (nanosleep(&ts, NULL) == -1 && errno == EINTR)
|
|
exit(1);
|
|
#endif
|
|
|
|
end:
|
|
timer_expire.tv_usec += micro_frame_delay;
|
|
if (timer_expire.tv_usec > 1000000)
|
|
{
|
|
nsec = timer_expire.tv_usec / 1000000;
|
|
timer_expire.tv_sec += nsec;
|
|
timer_expire.tv_usec -= nsec*1000000;
|
|
}
|
|
}
|
|
|
|
/*************************
|
|
* audio handlers
|
|
*************************/
|
|
#define TOTAL_AUDIO_BUFFERS 64
|
|
|
|
class MVE_audio_deleter
|
|
{
|
|
public:
|
|
void operator()(int16_t *p) const
|
|
{
|
|
mve_free(p);
|
|
}
|
|
};
|
|
|
|
static int audiobuf_created = 0;
|
|
static void mve_audio_callback(void *userdata, unsigned char *stream, int len);
|
|
static array<std::unique_ptr<short[], MVE_audio_deleter>, TOTAL_AUDIO_BUFFERS> mve_audio_buffers;
|
|
static int mve_audio_buflens[TOTAL_AUDIO_BUFFERS];
|
|
static int mve_audio_curbuf_curpos=0;
|
|
static int mve_audio_bufhead=0;
|
|
static int mve_audio_buftail=0;
|
|
static int mve_audio_playing=0;
|
|
static int mve_audio_canplay=0;
|
|
static int mve_audio_compressed=0;
|
|
static int mve_audio_enabled = 1;
|
|
static std::unique_ptr<SDL_AudioSpec> mve_audio_spec;
|
|
|
|
static void mve_audio_callback(void *, unsigned char *stream, int len)
|
|
{
|
|
int total=0;
|
|
int length;
|
|
if (mve_audio_bufhead == mve_audio_buftail)
|
|
return /* 0 */;
|
|
|
|
//con_printf(CON_CRITICAL, "+ <%d (%d), %d, %d>", mve_audio_bufhead, mve_audio_curbuf_curpos, mve_audio_buftail, len);
|
|
|
|
while (mve_audio_bufhead != mve_audio_buftail /* while we have more buffers */
|
|
&& len > (mve_audio_buflens[mve_audio_bufhead]-mve_audio_curbuf_curpos)) /* and while we need more data */
|
|
{
|
|
length = mve_audio_buflens[mve_audio_bufhead]-mve_audio_curbuf_curpos;
|
|
memcpy(stream, /* cur output position */
|
|
(reinterpret_cast<uint8_t *>(mve_audio_buffers[mve_audio_bufhead].get()))+mve_audio_curbuf_curpos, /* cur input position */
|
|
length); /* cur input length */
|
|
|
|
total += length;
|
|
stream += length; /* advance output */
|
|
len -= length; /* decrement avail ospace */
|
|
mve_audio_buffers[mve_audio_bufhead].reset(); /* free the buffer */
|
|
mve_audio_buflens[mve_audio_bufhead]=0; /* free the buffer */
|
|
|
|
if (++mve_audio_bufhead == TOTAL_AUDIO_BUFFERS) /* next buffer */
|
|
mve_audio_bufhead = 0;
|
|
mve_audio_curbuf_curpos = 0;
|
|
}
|
|
|
|
//con_printf(CON_CRITICAL, "= <%d (%d), %d, %d>: %d", mve_audio_bufhead, mve_audio_curbuf_curpos, mve_audio_buftail, len, total);
|
|
/* return total; */
|
|
|
|
if (len != 0 /* ospace remaining */
|
|
&& mve_audio_bufhead != mve_audio_buftail) /* buffers remaining */
|
|
{
|
|
memcpy(stream, /* dest */
|
|
(reinterpret_cast<uint8_t *>(mve_audio_buffers[mve_audio_bufhead].get()))+mve_audio_curbuf_curpos, /* src */
|
|
len); /* length */
|
|
|
|
mve_audio_curbuf_curpos += len; /* advance input */
|
|
stream += len; /* advance output (unnecessary) */
|
|
len -= len; /* advance output (unnecessary) */
|
|
|
|
if (mve_audio_curbuf_curpos >= mve_audio_buflens[mve_audio_bufhead]) /* if this ends the current chunk */
|
|
{
|
|
mve_audio_buffers[mve_audio_bufhead].reset(); /* free buffer */
|
|
mve_audio_buflens[mve_audio_bufhead]=0;
|
|
|
|
if (++mve_audio_bufhead == TOTAL_AUDIO_BUFFERS) /* next buffer */
|
|
mve_audio_bufhead = 0;
|
|
mve_audio_curbuf_curpos = 0;
|
|
}
|
|
}
|
|
|
|
//con_printf(CON_CRITICAL, "- <%d (%d), %d, %d>", mve_audio_bufhead, mve_audio_curbuf_curpos, mve_audio_buftail, len);
|
|
}
|
|
|
|
static int create_audiobuf_handler(unsigned char, unsigned char minor, const unsigned char *data, int, void *)
|
|
{
|
|
int flags;
|
|
int sample_rate;
|
|
int desired_buffer;
|
|
|
|
int stereo;
|
|
int bitsize;
|
|
int compressed;
|
|
|
|
int format;
|
|
|
|
if (!mve_audio_enabled)
|
|
return 1;
|
|
|
|
if (audiobuf_created)
|
|
return 1;
|
|
else
|
|
audiobuf_created = 1;
|
|
|
|
flags = get_ushort(data + 2);
|
|
sample_rate = get_ushort(data + 4);
|
|
desired_buffer = get_int(data + 6);
|
|
|
|
stereo = (flags & MVE_AUDIO_FLAGS_STEREO) ? 1 : 0;
|
|
bitsize = (flags & MVE_AUDIO_FLAGS_16BIT) ? 1 : 0;
|
|
|
|
if (minor > 0) {
|
|
compressed = flags & MVE_AUDIO_FLAGS_COMPRESSED ? 1 : 0;
|
|
} else {
|
|
compressed = 0;
|
|
}
|
|
|
|
mve_audio_compressed = compressed;
|
|
|
|
if (bitsize == 1) {
|
|
format = words_bigendian ? AUDIO_S16MSB : AUDIO_S16LSB;
|
|
} else {
|
|
format = AUDIO_U8;
|
|
}
|
|
|
|
if (GameArg.SndDisableSdlMixer)
|
|
{
|
|
con_printf(CON_CRITICAL, "creating audio buffers:");
|
|
con_printf(CON_CRITICAL, "sample rate = %d, desired buffer = %d, stereo = %d, bitsize = %d, compressed = %d",
|
|
sample_rate, desired_buffer, stereo, bitsize ? 16 : 8, compressed);
|
|
}
|
|
|
|
mve_audio_spec = make_unique<SDL_AudioSpec>();
|
|
mve_audio_spec->freq = sample_rate;
|
|
mve_audio_spec->format = format;
|
|
mve_audio_spec->channels = (stereo) ? 2 : 1;
|
|
mve_audio_spec->samples = 4096;
|
|
mve_audio_spec->callback = mve_audio_callback;
|
|
mve_audio_spec->userdata = NULL;
|
|
|
|
// MD2211: if using SDL_Mixer, we never reinit the sound system
|
|
if (GameArg.SndDisableSdlMixer)
|
|
{
|
|
if (SDL_OpenAudio(mve_audio_spec.get(), NULL) >= 0) {
|
|
con_printf(CON_CRITICAL, " success");
|
|
mve_audio_canplay = 1;
|
|
}
|
|
else {
|
|
con_printf(CON_CRITICAL, " failure : %s", SDL_GetError());
|
|
mve_audio_canplay = 0;
|
|
}
|
|
}
|
|
|
|
#ifdef USE_SDLMIXER
|
|
else {
|
|
// MD2211: using the same old SDL audio callback as a postmixer in SDL_mixer
|
|
Mix_SetPostMix(mve_audio_spec->callback, mve_audio_spec->userdata);
|
|
mve_audio_canplay = 1;
|
|
}
|
|
#endif
|
|
|
|
mve_audio_buffers = {};
|
|
memset(mve_audio_buflens, 0, sizeof(mve_audio_buflens));
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int play_audio_handler(unsigned char, unsigned char, const unsigned char *, int, void *)
|
|
{
|
|
if (mve_audio_canplay && !mve_audio_playing && mve_audio_bufhead != mve_audio_buftail)
|
|
{
|
|
if (GameArg.SndDisableSdlMixer)
|
|
SDL_PauseAudio(0);
|
|
#ifdef USE_SDLMIXER
|
|
else
|
|
Mix_Pause(0);
|
|
#endif
|
|
mve_audio_playing = 1;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int audio_data_handler(unsigned char major, unsigned char, const unsigned char *data, int, void *)
|
|
{
|
|
|
|
#ifdef USE_SDLMIXER
|
|
// MD2211: for audio conversion
|
|
SDL_AudioCVT cvt;
|
|
int clen;
|
|
int out_freq;
|
|
Uint16 out_format;
|
|
int out_channels;
|
|
// end MD2211
|
|
#endif
|
|
|
|
static const int selected_chan=1;
|
|
int chan;
|
|
int nsamp;
|
|
if (mve_audio_canplay)
|
|
{
|
|
if (mve_audio_playing)
|
|
SDL_LockAudio();
|
|
|
|
chan = get_ushort(data + 2);
|
|
nsamp = get_ushort(data + 4);
|
|
if (chan & selected_chan)
|
|
{
|
|
/* HACK: +4 mveaudio_uncompress adds 4 more bytes */
|
|
if (major == MVE_OPCODE_AUDIOFRAMEDATA) {
|
|
if (mve_audio_compressed) {
|
|
nsamp += 4;
|
|
|
|
mve_audio_buflens[mve_audio_buftail] = nsamp;
|
|
mve_audio_buffers[mve_audio_buftail].reset((short *)mve_alloc(nsamp));
|
|
mveaudio_uncompress(mve_audio_buffers[mve_audio_buftail].get(), data); /* XXX */
|
|
} else {
|
|
nsamp -= 8;
|
|
data += 8;
|
|
|
|
mve_audio_buflens[mve_audio_buftail] = nsamp;
|
|
mve_audio_buffers[mve_audio_buftail].reset((short *)mve_alloc(nsamp));
|
|
memcpy(mve_audio_buffers[mve_audio_buftail].get(), data, nsamp);
|
|
}
|
|
} else {
|
|
mve_audio_buflens[mve_audio_buftail] = nsamp;
|
|
mve_audio_buffers[mve_audio_buftail].reset((short *)mve_alloc(nsamp));
|
|
|
|
memset(mve_audio_buffers[mve_audio_buftail].get(), 0, nsamp); /* XXX */
|
|
}
|
|
|
|
// MD2211: the following block does on-the-fly audio conversion for SDL_mixer
|
|
#ifdef USE_SDLMIXER
|
|
if (!GameArg.SndDisableSdlMixer) {
|
|
// build converter: in = MVE format, out = SDL_mixer output
|
|
Mix_QuerySpec(&out_freq, &out_format, &out_channels); // get current output settings
|
|
|
|
SDL_BuildAudioCVT(&cvt, mve_audio_spec->format, mve_audio_spec->channels, mve_audio_spec->freq,
|
|
out_format, out_channels, out_freq);
|
|
|
|
clen = nsamp * cvt.len_mult;
|
|
RAIIdmem<uint8_t[]> cvtbuf;
|
|
MALLOC(cvtbuf, uint8_t[], clen);
|
|
cvt.buf = cvtbuf.get();
|
|
cvt.len = nsamp;
|
|
|
|
// read the audio buffer into the conversion buffer
|
|
memcpy(cvt.buf, mve_audio_buffers[mve_audio_buftail].get(), nsamp);
|
|
|
|
// do the conversion
|
|
if (SDL_ConvertAudio(&cvt)) con_printf(CON_DEBUG,"audio conversion failed!");
|
|
|
|
// copy back to the audio buffer
|
|
mve_audio_buffers[mve_audio_buftail].reset((short *)mve_alloc(clen)); // free the old audio buffer
|
|
mve_audio_buflens[mve_audio_buftail] = clen;
|
|
memcpy(mve_audio_buffers[mve_audio_buftail].get(), cvt.buf, clen);
|
|
}
|
|
#endif
|
|
|
|
if (++mve_audio_buftail == TOTAL_AUDIO_BUFFERS)
|
|
mve_audio_buftail = 0;
|
|
|
|
if (mve_audio_buftail == mve_audio_bufhead)
|
|
con_printf(CON_CRITICAL, "d'oh! buffer ring overrun (%d)", mve_audio_bufhead);
|
|
}
|
|
|
|
if (mve_audio_playing)
|
|
SDL_UnlockAudio();
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*************************
|
|
* video handlers
|
|
*************************/
|
|
|
|
static int videobuf_created = 0;
|
|
static int video_initialized = 0;
|
|
int g_width, g_height;
|
|
static std::vector<unsigned char> g_vBuffers;
|
|
unsigned char *g_vBackBuf1, *g_vBackBuf2;
|
|
|
|
static int g_destX, g_destY;
|
|
static int g_screenWidth, g_screenHeight;
|
|
static const unsigned char *g_pCurMap;
|
|
static int g_nMapLength=0;
|
|
static int g_truecolor;
|
|
|
|
static int create_videobuf_handler(unsigned char, unsigned char minor, const unsigned char *data, int, void *)
|
|
{
|
|
short w, h,
|
|
#ifdef DEBUG
|
|
count,
|
|
#endif
|
|
truecolor;
|
|
|
|
if (videobuf_created)
|
|
return 1;
|
|
else
|
|
videobuf_created = 1;
|
|
|
|
w = get_short(data);
|
|
h = get_short(data+2);
|
|
|
|
#ifdef DEBUG
|
|
if (minor > 0) {
|
|
count = get_short(data+4);
|
|
} else {
|
|
count = 1;
|
|
}
|
|
#endif
|
|
|
|
if (minor > 1) {
|
|
truecolor = get_short(data+6);
|
|
} else {
|
|
truecolor = 0;
|
|
}
|
|
|
|
g_width = w << 3;
|
|
g_height = h << 3;
|
|
|
|
/* TODO: * 4 causes crashes on some files */
|
|
/* only malloc once */
|
|
g_vBuffers.assign(g_width * g_height * 8, 0);
|
|
g_vBackBuf1 = &g_vBuffers[0];
|
|
if (truecolor) {
|
|
g_vBackBuf2 = (unsigned char *)((unsigned short *)g_vBackBuf1) + (g_width * g_height);
|
|
} else {
|
|
g_vBackBuf2 = (g_vBackBuf1 + (g_width * g_height));
|
|
}
|
|
#ifdef DEBUG
|
|
con_printf(CON_CRITICAL, "DEBUG: w,h=%d,%d count=%d, tc=%d", w, h, count, truecolor);
|
|
#endif
|
|
|
|
g_truecolor = truecolor;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int display_video_handler(unsigned char, unsigned char, const unsigned char *, int, void *)
|
|
{
|
|
mve_showframe(g_vBackBuf1, g_destX, g_destY, g_width, g_height, g_screenWidth, g_screenHeight);
|
|
|
|
g_frameUpdated = 1;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int init_video_handler(unsigned char, unsigned char, const unsigned char *data, int, void *)
|
|
{
|
|
short width, height;
|
|
|
|
if (video_initialized)
|
|
return 1; /* maybe we actually need to change width/height here? */
|
|
else
|
|
video_initialized = 1;
|
|
|
|
width = get_short(data);
|
|
height = get_short(data+2);
|
|
g_screenWidth = width;
|
|
g_screenHeight = height;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int video_palette_handler(unsigned char, unsigned char, const unsigned char *data, int, void *)
|
|
{
|
|
short start, count;
|
|
start = get_short(data);
|
|
count = get_short(data+2);
|
|
|
|
auto p = data + 4;
|
|
mve_setpalette(p - 3*start, start, count);
|
|
return 1;
|
|
}
|
|
|
|
static int video_codemap_handler(unsigned char, unsigned char, const unsigned char *data, int len, void *)
|
|
{
|
|
g_pCurMap = data;
|
|
g_nMapLength = len;
|
|
return 1;
|
|
}
|
|
|
|
static int video_data_handler(unsigned char, unsigned char, const unsigned char *data, int len, void *)
|
|
{
|
|
unsigned short nFlags;
|
|
unsigned char *temp;
|
|
|
|
// don't need those but kept for further reference
|
|
// nFrameHot = get_short(data);
|
|
// nFrameCold = get_short(data+2);
|
|
// nXoffset = get_short(data+4);
|
|
// nYoffset = get_short(data+6);
|
|
// nXsize = get_short(data+8);
|
|
// nYsize = get_short(data+10);
|
|
nFlags = get_ushort(data+12);
|
|
|
|
if (nFlags & 1)
|
|
{
|
|
temp = (unsigned char *)g_vBackBuf1;
|
|
g_vBackBuf1 = g_vBackBuf2;
|
|
g_vBackBuf2 = temp;
|
|
}
|
|
|
|
/* convert the frame */
|
|
if (g_truecolor) {
|
|
decodeFrame16(g_vBackBuf1, g_pCurMap, g_nMapLength, data+14, len-14);
|
|
} else {
|
|
decodeFrame8(g_vBackBuf1, g_pCurMap, g_nMapLength, data+14, len-14);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int end_chunk_handler(unsigned char, unsigned char, const unsigned char *, int, void *)
|
|
{
|
|
g_pCurMap=NULL;
|
|
return 1;
|
|
}
|
|
|
|
void MVE_ioCallbacks(mve_cb_Read io_read)
|
|
{
|
|
mve_read = io_read;
|
|
}
|
|
|
|
void MVE_memCallbacks(mve_cb_Alloc mem_alloc, mve_cb_Free mem_free)
|
|
{
|
|
mve_alloc = mem_alloc;
|
|
mve_free = mem_free;
|
|
}
|
|
|
|
void MVE_sfCallbacks(mve_cb_ShowFrame showframe)
|
|
{
|
|
mve_showframe = showframe;
|
|
}
|
|
|
|
void MVE_palCallbacks(mve_cb_SetPalette setpalette)
|
|
{
|
|
mve_setpalette = setpalette;
|
|
}
|
|
|
|
int MVE_rmPrepMovie(MVESTREAM_ptr_t &pMovie, void *src, int x, int y, int)
|
|
{
|
|
if (pMovie) {
|
|
mve_reset(pMovie.get());
|
|
return 0;
|
|
}
|
|
|
|
pMovie = mve_open(src);
|
|
|
|
if (!pMovie)
|
|
return 1;
|
|
|
|
g_destX = x;
|
|
g_destY = y;
|
|
|
|
auto mve = pMovie.get();
|
|
mve_set_handler(mve, MVE_OPCODE_ENDOFSTREAM, end_movie_handler);
|
|
mve_set_handler(mve, MVE_OPCODE_ENDOFCHUNK, end_chunk_handler);
|
|
mve_set_handler(mve, MVE_OPCODE_CREATETIMER, create_timer_handler);
|
|
mve_set_handler(mve, MVE_OPCODE_INITAUDIOBUFFERS, create_audiobuf_handler);
|
|
mve_set_handler(mve, MVE_OPCODE_STARTSTOPAUDIO, play_audio_handler);
|
|
mve_set_handler(mve, MVE_OPCODE_INITVIDEOBUFFERS, create_videobuf_handler);
|
|
|
|
mve_set_handler(mve, MVE_OPCODE_DISPLAYVIDEO, display_video_handler);
|
|
mve_set_handler(mve, MVE_OPCODE_AUDIOFRAMEDATA, audio_data_handler);
|
|
mve_set_handler(mve, MVE_OPCODE_AUDIOFRAMESILENCE, audio_data_handler);
|
|
mve_set_handler(mve, MVE_OPCODE_INITVIDEOMODE, init_video_handler);
|
|
|
|
mve_set_handler(mve, MVE_OPCODE_SETPALETTE, video_palette_handler);
|
|
mve_set_handler(mve, MVE_OPCODE_SETDECODINGMAP, video_codemap_handler);
|
|
|
|
mve_set_handler(mve, MVE_OPCODE_VIDEODATA, video_data_handler);
|
|
|
|
mve_play_next_chunk(mve); /* video initialization chunk */
|
|
mve_play_next_chunk(mve); /* audio initialization chunk */
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
void MVE_getVideoSpec(MVE_videoSpec *vSpec)
|
|
{
|
|
vSpec->screenWidth = g_screenWidth;
|
|
vSpec->screenHeight = g_screenHeight;
|
|
vSpec->width = g_width;
|
|
vSpec->height = g_height;
|
|
vSpec->truecolor = g_truecolor;
|
|
}
|
|
|
|
|
|
int MVE_rmStepMovie(MVESTREAM *const mve)
|
|
{
|
|
static int init_timer=0;
|
|
int cont=1;
|
|
|
|
if (!timer_started)
|
|
timer_start();
|
|
|
|
while (cont && !g_frameUpdated) // make a "step" be a frame, not a chunk...
|
|
cont = mve_play_next_chunk(mve);
|
|
g_frameUpdated = 0;
|
|
|
|
if (!cont)
|
|
return MVE_ERR_EOF;
|
|
|
|
if (micro_frame_delay && !init_timer) {
|
|
timer_start();
|
|
init_timer = 1;
|
|
}
|
|
|
|
do_timer_wait();
|
|
|
|
return 0;
|
|
}
|
|
|
|
void MVE_rmEndMovie(std::unique_ptr<MVESTREAM>)
|
|
{
|
|
timer_stop();
|
|
timer_created = 0;
|
|
|
|
if (mve_audio_canplay) {
|
|
// MD2211: if using SDL_Mixer, we never reinit sound, hence never close it
|
|
if (GameArg.SndDisableSdlMixer)
|
|
{
|
|
SDL_CloseAudio();
|
|
}
|
|
mve_audio_canplay = 0;
|
|
}
|
|
mve_audio_buffers = {};
|
|
memset(mve_audio_buflens, 0, sizeof(mve_audio_buflens));
|
|
|
|
mve_audio_curbuf_curpos=0;
|
|
mve_audio_bufhead=0;
|
|
mve_audio_buftail=0;
|
|
mve_audio_playing=0;
|
|
mve_audio_canplay=0;
|
|
mve_audio_compressed=0;
|
|
|
|
mve_audio_spec.reset();
|
|
audiobuf_created = 0;
|
|
g_vBuffers.clear();
|
|
g_pCurMap=NULL;
|
|
g_nMapLength=0;
|
|
videobuf_created = 0;
|
|
video_initialized = 0;
|
|
}
|
|
|
|
|
|
void MVE_rmHoldMovie()
|
|
{
|
|
timer_started = 0;
|
|
}
|
|
|
|
|
|
void MVE_sndInit(int x)
|
|
{
|
|
mve_audio_enabled = (x == -1 ? 0 : 1);
|
|
}
|