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Audio writing is now buffered. Video output was changed to 256x224.

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n-a-c-h
2005-11-23 20:28:10 +00:00
parent 5614eb94e5
commit 7930ecde1d
1 changed files with 54 additions and 29 deletions
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83
zsnes/src/zmovie.c
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@@ -1840,8 +1840,9 @@ Code for dumping raw video
*/
#define RAW_BUFFER_FRAMES 10
#define RAW_BUFFER_SAMPLES 12800
#define RAW_WIDTH 256
#define RAW_HEIGHT 223
#define RAW_HEIGHT 224
#define RAW_PIXEL_SIZE 4
#define RAW_FRAME_SIZE (RAW_WIDTH*RAW_HEIGHT)
#define RAW_PIXEL_FRAME_SIZE (RAW_FRAME_SIZE*RAW_PIXEL_SIZE)
@@ -1856,6 +1857,8 @@ struct
size_t frame_index;
FILE *ap;
unsigned short *sample_buffer;
size_t sample_index;
size_t aud_dsize_pos;
} raw_vid;
@@ -1878,21 +1881,32 @@ static void raw_video_close()
if (raw_vid.ap)
{
size_t file_size = ftell(raw_vid.ap); //Get file size
if (!fseek(raw_vid.ap, 4, SEEK_SET)) //Seek to after RIFF header
if (raw_vid.sample_buffer)
{
fwrite4(file_size - 2, raw_vid.ap); //No idea why -2
size_t file_size;
if (raw_vid.sample_index)
{
fwrite(raw_vid.sample_buffer, 2, raw_vid.frame_index, raw_vid.ap); //Sample is 2 bytes
}
free(raw_vid.sample_buffer);
file_size = ftell(raw_vid.ap); //Get file size
if (!fseek(raw_vid.ap, 4, SEEK_SET)) //Seek to after RIFF header
{
fwrite4(file_size - 8, raw_vid.ap); //Don't include header or this write, -8
}
if (!fseek(raw_vid.ap, raw_vid.aud_dsize_pos, SEEK_SET)) //Seek to where the audio data size goes
{
//Data size is remainder of file, which is file size, less current position, plus
//The 4 bytes needed to hold the data size
fwrite4(file_size - (raw_vid.aud_dsize_pos+4), raw_vid.ap);
}
fclose(raw_vid.ap);
raw_vid.ap = 0;
}
if (!fseek(raw_vid.ap, raw_vid.aud_dsize_pos, SEEK_SET)) //Seek to where the audio data size goes
{
//Data size is remainder of file, which is file size, less current position, plus
//The 4 bytes needed to hold the data size
fwrite4(file_size - (raw_vid.aud_dsize_pos+4), raw_vid.ap);
}
fclose(raw_vid.ap);
raw_vid.ap = 0;
AudioLogging = 0;
}
AudioLogging = 0;
}
}
@@ -1905,23 +1919,26 @@ static bool raw_video_open(const char *video_filename, const char *audio_filenam
{
if ((raw_vid.ap = fopen(audio_filename, "wb")))
{
fputs("RIFF", raw_vid.ap); //header
fwrite4(~0, raw_vid.ap); //file size - unknown till file close
fputs("WAVEfmt ", raw_vid.ap); //format
fwrite4(0x12, raw_vid.ap); //fmt size
fwrite2(1, raw_vid.ap); //fmt type (PCM)
fwrite2(2, raw_vid.ap); //channels
fwrite4(32000, raw_vid.ap); //sample rate
fwrite4(32000*4, raw_vid.ap); //byte rate (sample rate*block align)
fwrite2(16/8*2, raw_vid.ap); //block align (SignificantBitsPerSample / 8 * NumChannels)
fwrite2(16, raw_vid.ap); //Significant bits per sample
fwrite2(0, raw_vid.ap); //Extra format bytes
fputs("data", raw_vid.ap); //data header
raw_vid.aud_dsize_pos = ftell(raw_vid.ap); //Save current position for use later
fwrite4(~0, raw_vid.ap); //data size - unknown till file close
if ((raw_vid.sample_buffer = (unsigned short *)malloc(RAW_BUFFER_SAMPLES*sizeof(short))))
{
fputs("RIFF", raw_vid.ap); //header
fwrite4(~0, raw_vid.ap); //file size - unknown till file close
fputs("WAVEfmt ", raw_vid.ap); //format
fwrite4(0x12, raw_vid.ap); //fmt size
fwrite2(1, raw_vid.ap); //fmt type (PCM)
fwrite2(2, raw_vid.ap); //channels
fwrite4(32000, raw_vid.ap); //sample rate
fwrite4(32000*4, raw_vid.ap); //byte rate (sample rate*block align)
fwrite2(16/8*2, raw_vid.ap); //block align (SignificantBitsPerSample / 8 * NumChannels)
fwrite2(16, raw_vid.ap); //Significant bits per sample
fwrite2(0, raw_vid.ap); //Extra format bytes
fputs("data", raw_vid.ap); //data header
raw_vid.aud_dsize_pos = ftell(raw_vid.ap); //Save current position for use later
fwrite4(~0, raw_vid.ap); //data size - unknown till file close
AudioLogging = 1;
return(true);
AudioLogging = 1;
return(true);
}
}
}
raw_video_close();
@@ -1977,6 +1994,14 @@ static void raw_video_write_frame()
if (temp > 32767) { temp = 32767; }
else if (temp < -32768) { temp =-32768; }
fwrite2((short)temp, raw_vid.ap);
raw_vid.sample_index++;
if (raw_vid.sample_index == RAW_BUFFER_SAMPLES)
{
fwrite(raw_vid.sample_buffer, 2, RAW_BUFFER_SAMPLES, raw_vid.ap); //Each sample is 2 bytes
raw_vid.sample_index = 0;
}
}
}
}