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-rw-r--r--TOOLS/302m_convert.c125
1 files changed, 0 insertions, 125 deletions
diff --git a/TOOLS/302m_convert.c b/TOOLS/302m_convert.c
deleted file mode 100644
index 14c0af4b29..0000000000
--- a/TOOLS/302m_convert.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/**
- * convert D-Cinema Audio (probably SMPTE 302M) to a
- * wav file that MPlayer can play.
- * Usage: 302m_convert <infile> <outfile>
- */
-#include <stdlib.h>
-#include <stdio.h>
-#include <inttypes.h>
-#include <byteswap.h>
-#define le2me_32(x) (x)
-#define le2me_16(x) (x)
-#define be2me_16(x) bswap_16(x)
-
-// From MPlayer libao/ao_pcm.c
-#define WAV_ID_RIFF 0x46464952 /* "RIFF" */
-#define WAV_ID_WAVE 0x45564157 /* "WAVE" */
-#define WAV_ID_FMT 0x20746d66 /* "fmt " */
-#define WAV_ID_DATA 0x61746164 /* "data" */
-#define WAV_ID_PCM 0x0001
-
-struct WaveHeader {
- uint32_t riff;
- uint32_t file_length;
- uint32_t wave;
- uint32_t fmt;
- uint32_t fmt_length;
- uint16_t fmt_tag;
- uint16_t channels;
- uint32_t sample_rate;
- uint32_t bytes_per_second;
- uint16_t block_align;
- uint16_t bits;
- uint32_t data;
- uint32_t data_length;
-};
-
-static struct WaveHeader wavhdr = {
- le2me_32(WAV_ID_RIFF),
- le2me_32(0x7fffffff),
- le2me_32(WAV_ID_WAVE),
- le2me_32(WAV_ID_FMT),
- le2me_32(16),
- le2me_16(WAV_ID_PCM),
- le2me_16(6),
- le2me_32(96000),
- le2me_32(1728000),
- le2me_16(18),
- le2me_16(24),
- le2me_32(WAV_ID_DATA),
- le2me_32(0x7fffffff),
-};
-
-// this format is completely braindead, and this bitorder
-// is the result of pure guesswork (counting how often
-// the bits flip), so it might be wrong.
-void fixup(unsigned char *in_, unsigned char *out) {
- int i;
- unsigned char in[3] = {in_[0], in_[1], in_[2]};
- unsigned char sync = in[2] & 0x0f; // sync flags
- in[2] >>= 4;
- out[2] = 0;
- for (i = 0; i < 4; i++) {
- out[2] <<= 1;
- out[2] |= in[2] & 1;
- in[2] >>= 1;
- }
- for (i = 0; i < 4; i++) {
- out[2] <<= 1;
- out[2] |= in[1] & 1;
- in[1] >>= 1;
- }
- out[1] = 0;
- for (i = 0; i < 4; i++) {
- out[1] <<= 1;
- out[1] |= in[1] & 1;
- in[1] >>= 1;
- }
- for (i = 0; i < 4; i++) {
- out[1] <<= 1;
- out[1] |= in[0] & 1;
- in[0] >>= 1;
- }
- out[0] = 0;
- for (i = 0; i < 4; i++) {
- out[0] <<= 1;
- out[0] |= in[0] & 1;
- in[0] >>= 1;
- }
- out[0] <<= 4;
- out[0] |= sync; // sync flags go into lowest bits
- // it seems those might also contain audio data,
- // don't know if this is the right order then
- // these might be also useful to detect the number
- // of channels in case there are files with != 6 channels
-}
-
-int main(int argc, char *argv[]) {
- FILE *in = fopen(argv[1], "r");
- FILE *out = fopen(argv[2], "w");
- int i;
- uint16_t blocklen, unknown;
- unsigned char *block;
- if (!in) {
- printf("Could not open %s for reading\n", argv[1]);
- return EXIT_FAILURE;
- }
- if (!out) {
- printf("Could not open %s for writing\n", argv[2]);
- return EXIT_FAILURE;
- }
- fwrite(&wavhdr, 1, sizeof(wavhdr), out);
- do {
- fread(&blocklen, 2, 1, in);
- blocklen = be2me_16(blocklen);
- fread(&unknown, 2, 1, in);
- block = malloc(blocklen);
- blocklen = fread(block, 1, blocklen, in);
- for (i = 0; i < blocklen; i += 3)
- fixup(&block[i], &block[i]);
- fwrite(block, 1, blocklen, out);
- free(block);
- } while (!feof(in));
- return EXIT_SUCCESS;
-}
-