int ffplay(const char *filename, const char *force_format) {
char errbuf[256];
int r = 0;
int frameFinished;
AVPacket packet;
int audio_buf_size = AVCODEC_MAX_AUDIO_FRAME_SIZE;
int16_t *audio_buf = (int16_t *) malloc((AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2);
if(!audio_buf) {
ds_printf("DS_ERROR: No free memory\n");
return -1;
}
memset(audio_buf, 0, (AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2);
AVFormatContext *pFormatCtx = NULL;
AVFrame *pFrame = NULL;
AVCodecContext *pVideoCodecCtx = NULL, *pAudioCodecCtx = NULL;
AVInputFormat *file_iformat = NULL;
video_txr_t movie_txr;
int videoStream = -1, audioStream = -1;
maple_device_t *cont = NULL;
cont_state_t *state = NULL;
int pause = 0, done = 0;
char fn[MAX_FN_LEN];
sprintf(fn, "ds:%s", filename);
memset(&movie_txr, 0, sizeof(movie_txr));
if(!codecs_inited) {
avcodec_register_all();
avcodec_register(&mp1_decoder);
avcodec_register(&mp2_decoder);
avcodec_register(&mp3_decoder);
avcodec_register(&vorbis_decoder);
//avcodec_register(&mpeg4_decoder);
codecs_inited = 1;
}
if(force_format)
file_iformat = av_find_input_format(force_format);
else
file_iformat = NULL;
// Open video file
ds_printf("DS_PROCESS_FFMPEG: Opening file: %s\n", filename);
if((r = av_open_input_file((AVFormatContext**)(&pFormatCtx), fn, file_iformat, /*FFM_PACKET_SIZE*/0, NULL)) != 0) {
av_strerror(r, errbuf, 256);
ds_printf("DS_ERROR_FFMPEG: %s\n", errbuf);
free(audio_buf);
return -1; // Couldn't open file
}
// Retrieve stream information
ds_printf("DS_PROCESS_FFMPEG: Retrieve stream information...\n");
if((r = av_find_stream_info(pFormatCtx)) < 0) {
av_strerror(r, errbuf, 256);
ds_printf("DS_ERROR_FFMPEG: %s\n", errbuf);
av_close_input_file(pFormatCtx);
free(audio_buf);
return -1; // Couldn't find stream information
}
// Dump information about file onto standard error
dump_format(pFormatCtx, 0, filename, 0);
//thd_sleep(5000);
pVideoCodecCtx = findDecoder(pFormatCtx, AVMEDIA_TYPE_VIDEO, &videoStream);
pAudioCodecCtx = findDecoder(pFormatCtx, AVMEDIA_TYPE_AUDIO, &audioStream);
//LockInput();
if(pVideoCodecCtx) {
//LockVideo();
ShutdownVideoThread();
SDL_DS_FreeScreenTexture(0);
int format = 0;
switch(pVideoCodecCtx->pix_fmt) {
case PIX_FMT_YUV420P:
case PIX_FMT_YUVJ420P:
format = PVR_TXRFMT_YUV422;
#ifdef USE_HW_YUV
yuv_conv_init();
#endif
break;
case PIX_FMT_UYVY422:
case PIX_FMT_YUVJ422P:
format = PVR_TXRFMT_YUV422;
break;
default:
format = PVR_TXRFMT_RGB565;
break;
}
MakeVideoTexture(&movie_txr, pVideoCodecCtx->width, pVideoCodecCtx->height, format | PVR_TXRFMT_NONTWIDDLED, PVR_FILTER_BILINEAR);
#ifdef USE_HW_YUV
yuv_conv_setup(movie_txr.addr, PVR_YUV_MODE_MULTI, PVR_YUV_FORMAT_YUV420, movie_txr.width, movie_txr.height);
pvr_dma_init();
#endif
} else {
ds_printf("DS_ERROR: Didn't find a video stream.\n");
}
if(pAudioCodecCtx) {
#ifdef USE_DIRECT_AUDIO
audioinit(pAudioCodecCtx);
#else
sprintf(fn, "%s/firmware/aica/ds_stream.drv", getenv("PATH"));
if(snd_init_fw(fn) < 0) {
goto exit_free;
}
if(aica_audio_open(pAudioCodecCtx->sample_rate, pAudioCodecCtx->channels, 8192) < 0) {
goto exit_free;
}
//snd_cpu_clock(0x19);
//snd_init_decoder(8192);
#endif
} else {
ds_printf("DS_ERROR: Didn't find a audio stream.\n");
}
//ds_printf("FORMAT: %d\n", pVideoCodecCtx->pix_fmt);
// Allocate video frame
pFrame = avcodec_alloc_frame();
if(pFrame == NULL) {
ds_printf("DS_ERROR: Can't alloc memory\n");
goto exit_free;
}
int pressed = 0, framecnt = 0;
uint32 fa = 0;
fa = GET_EXPORT_ADDR("ffplay_format_handler");
if(fa > 0 && fa != 0xffffffff) {
EXPT_GUARD_BEGIN;
void (*ff_format_func)(AVFormatContext *, AVCodecContext *, AVCodecContext *) =
(void (*)(AVFormatContext *, AVCodecContext *, AVCodecContext *))fa;
ff_format_func(pFormatCtx, pVideoCodecCtx, pAudioCodecCtx);
EXPT_GUARD_CATCH;
EXPT_GUARD_END;
}
fa = GET_EXPORT_ADDR("ffplay_frame_handler");
void (*ff_frame_func)(AVFrame *) = NULL;
if(fa > 0 && fa != 0xffffffff) {
EXPT_GUARD_BEGIN;
ff_frame_func = (void (*)(AVFrame *))fa;
// Test call
ff_frame_func(NULL);
EXPT_GUARD_CATCH;
ff_frame_func = NULL;
EXPT_GUARD_END;
}
fa = GET_EXPORT_ADDR("ffplay_render_handler");
if(fa > 0 && fa != 0xffffffff) {
EXPT_GUARD_BEGIN;
movie_txr.render_cb = (void (*)(void *))fa;
// Test call
movie_txr.render_cb(NULL);
EXPT_GUARD_CATCH;
movie_txr.render_cb = NULL;
EXPT_GUARD_END;
}
while(av_read_frame(pFormatCtx, &packet) >= 0 && !done) {
do {
if(ff_frame_func)
ff_frame_func(pFrame);
cont = maple_enum_type(0, MAPLE_FUNC_CONTROLLER);
framecnt++;
if(cont) {
state = (cont_state_t *)maple_dev_status(cont);
if (!state) {
break;
}
if (state->buttons & CONT_START || state->buttons & CONT_B) {
av_free_packet(&packet);
done = 1;
}
if (state->buttons & CONT_A) {
if((framecnt - pressed) > 10) {
pause = pause ? 0 : 1;
if(pause) {
#ifdef USE_DIRECT_AUDIO
audio_end();
#else
stop_audio();
#endif
} else {
#ifndef USE_DIRECT_AUDIO
start_audio();
#endif
}
}
pressed = framecnt;
}
if(state->buttons & CONT_DPAD_LEFT) {
//av_seek_frame(pFormatCtx, -1, timestamp * ( AV_TIME_BASE / 1000 ), AVSEEK_FLAG_BACKWARD);
}
if(state->buttons & CONT_DPAD_RIGHT) {
//av_seek_frame(pFormatCtx, -1, timestamp * ( AV_TIME_BASE / 1000 ), AVSEEK_FLAG_BACKWARD);
}
}
if(pause) thd_sleep(100);
} while(pause);
//printf("Packet: size: %d data: %02x%02x%02x pst: %d\n", packet.size, packet.data[0], packet.data[1], packet.data[2], pFrame->pts);
// Is this a packet from the video stream?
if(packet.stream_index == videoStream) {
//printf("video\n");
// Decode video frame
if((r = avcodec_decode_video2(pVideoCodecCtx, pFrame, &frameFinished, &packet)) < 0) {
//av_strerror(r, errbuf, 256);
//printf("DS_ERROR_FFMPEG: %s\n", errbuf);
} else {
// Did we get a video frame?
if(frameFinished && !pVideoCodecCtx->hurry_up) {
RenderVideo(&movie_txr, pFrame, pVideoCodecCtx);
}
}
} else if(packet.stream_index == audioStream) {
//printf("audio\n");
//snd_decode((uint8*)audio_buf, audio_buf_size, AICA_CODEC_MP3);
audio_buf_size = AVCODEC_MAX_AUDIO_FRAME_SIZE;
if((r = avcodec_decode_audio3(pAudioCodecCtx, audio_buf, &audio_buf_size, &packet)) < 0) {
//av_strerror(r, errbuf, 256);
//printf("DS_ERROR_FFMPEG: %s\n", errbuf);
//continue;
} else {
if(audio_buf_size > 0 && !pAudioCodecCtx->hurry_up) {
#ifdef USE_DIRECT_AUDIO
audio_write(pAudioCodecCtx, audio_buf, audio_buf_size);
#else
aica_audio_write((char*)audio_buf, audio_buf_size);
#endif
}
}
}
// Free the packet that was allocated by av_read_frame
av_free_packet(&packet);
}
goto exit_free;
exit_free:
if(pFrame)
av_free(pFrame);
if(pFormatCtx)
av_close_input_file(pFormatCtx);
if(audioStream > -1) {
if(pAudioCodecCtx)
avcodec_close(pAudioCodecCtx);
#ifdef USE_DIRECT_AUDIO
audio_end();
#else
aica_audio_close();
sprintf(fn, "%s/firmware/aica/kos_stream.drv", getenv("PATH"));
snd_init_fw(fn);
#endif
}
if(audio_buf) {
free(audio_buf);
}
if(videoStream > -1) {
if(pVideoCodecCtx)
avcodec_close(pVideoCodecCtx);
FreeVideoTexture(&movie_txr);
SDL_DS_AllocScreenTexture(GetScreen());
InitVideoThread();
//UnlockVideo();
}
//UnlockInput();
ProcessVideoEventsUpdate(NULL);
return 0;
}
/**
* Init_Genesis(): Initialize the Genesis with the specified ROM image.
* @param MD_ROM ROM image struct.
* @return 1 if successful.
*/
int Init_Genesis(ROM_t* MD_ROM)
{
// Clear the sound buffer.
audio_clear_sound_buffer();
Flag_Clr_Scr = 1;
Settings.Paused = Frame_Number = 0;
SRAM_Start = SRAM_End = SRAM_ON = SRAM_Write = 0;
Controller_1_COM = Controller_2_COM = 0;
#ifdef GENS_DEBUGGER
STOP_DEBUGGING();
#endif
#if 0 // TODO: Replace with MDP "exclusive mode" later.
if (!Kaillera_Client_Running)
#endif
Init_Genesis_SRAM(MD_ROM);
// Check what country code should be used.
// TODO: Get rid of magic numbers.
switch (Country)
{
default:
case -1: // Autodetection.
Detect_Country_Genesis(MD_ROM);
break;
case 0: // Japan (NTSC)
Game_Mode = 0;
CPU_Mode = 0;
break;
case 1: // US (NTSC)
Game_Mode = 1;
CPU_Mode = 0;
break;
case 2: // Europe (PAL)
Game_Mode = 1;
CPU_Mode = 1;
break;
case 3: // Japan (PAL)
Game_Mode = 0;
CPU_Mode = 1;
break;
}
VDP_Num_Vis_Lines = 224;
Gen_Version = 0x20 + 0x0; // Version de la megadrive (0x0 - 0xF)
// Byteswap the ROM data.
be16_to_cpu_array(Rom_Data, Rom_Size);
ROM_ByteSwap_State |= ROM_BYTESWAPPED_MD_ROM;
// Reset all CPUs and other components.
M68K_Reset(0);
Z80_Reset();
VDP_Reset();
// Initialize the controller state.
Init_Controllers();
// Set clock rates depending on the CPU mode (NTSC / PAL).
Set_Clock_Freq(0);
// If auto-fix checksum is enabled, fix the ROM checksum.
if (Auto_Fix_CS)
ROM::fixChecksum();
// Initialize sound.
if (audio_get_enabled())
{
audio_end();
if (audio_init(AUDIO_BACKEND_DEFAULT))
audio_set_enabled(false);
else
{
if (audio_play_sound)
audio_play_sound();
}
}
Reset_Update_Timers();
// Set the appropriate frame update function pointers.
Update_Frame = Do_Genesis_Frame;
Update_Frame_Fast = Do_Genesis_Frame_No_VDP;
return 1;
}
