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authorreimar <reimar@b3059339-0415-0410-9bf9-f77b7e298cf2>2005-08-23 18:03:23 +0000
committerreimar <reimar@b3059339-0415-0410-9bf9-f77b7e298cf2>2005-08-23 18:03:23 +0000
commit25bef8e5a317419c31fbacd3ca61c8a59c32c40a (patch)
treec1c49e22dac45380238dbcfc0b7767478e3fd3e0 /TOOLS
parentac93f40910d6f089a562216e18618412d8c25c1f (diff)
downloadmpv-25bef8e5a317419c31fbacd3ca61c8a59c32c40a.tar.bz2
mpv-25bef8e5a317419c31fbacd3ca61c8a59c32c40a.tar.xz
Add D-Cinema Audio and Video conversion programs
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@16299 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'TOOLS')
-rw-r--r--TOOLS/302m_convert.c125
-rw-r--r--TOOLS/360m_convert.c41
-rw-r--r--TOOLS/Makefile2
-rw-r--r--TOOLS/README21
4 files changed, 189 insertions, 0 deletions
diff --git a/TOOLS/302m_convert.c b/TOOLS/302m_convert.c
new file mode 100644
index 0000000000..14c0af4b29
--- /dev/null
+++ b/TOOLS/302m_convert.c
@@ -0,0 +1,125 @@
+/**
+ * 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;
+}
+
diff --git a/TOOLS/360m_convert.c b/TOOLS/360m_convert.c
new file mode 100644
index 0000000000..9664d65d05
--- /dev/null
+++ b/TOOLS/360m_convert.c
@@ -0,0 +1,41 @@
+/**
+ * convert D-Cinema Video (MPEG2 in GXF, SMPTE 360M) to a
+ * MPEG-ES file that MPlayer can play (use -demuxer mpeges).
+ * Usage: 360m_convert <infile> <outfile>
+ */
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(int argc, char *argv[]) {
+ FILE *in = fopen(argv[1], "r");
+ FILE *out = fopen(argv[2], "w");
+ int discard = 0;
+ unsigned char buf[4];
+ 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;
+ }
+ fread(buf, 4, 1, in);
+ do {
+ if (buf[0] == 0 && buf[1] == 0 && buf[2] == 1) {
+ // encountered a header
+ // skip data between a 0xbf or 0xbc header and the next 0x00 header
+ if (buf[3] == 0xbc || buf[3] == 0xbf)
+ discard = 1;
+ else if (buf[3] == 0)
+ discard = 0;
+ }
+ if (!discard)
+ fwrite(&buf[0], 1, 1, out);
+ buf[0] = buf[1];
+ buf[1] = buf[2];
+ buf[2] = buf[3];
+ fread(&buf[3], 1, 1, in);
+ } while (!feof(in));
+ return EXIT_SUCCESS;
+}
+
diff --git a/TOOLS/Makefile b/TOOLS/Makefile
index f926f0c1c3..ee3bd3d058 100644
--- a/TOOLS/Makefile
+++ b/TOOLS/Makefile
@@ -15,6 +15,8 @@ OBJS = alaw-gen \
subrip \
fastmemcpybench \
vivodump \
+ 302m_convert \
+ 360m_convert \
all: $(OBJS)
diff --git a/TOOLS/README b/TOOLS/README
index 7c925e6991..ebaa1fa7d1 100644
--- a/TOOLS/README
+++ b/TOOLS/README
@@ -469,3 +469,24 @@ Author: Tobias Diedrich
Description: Dumps vobsub soft subtitles streams embedded in avi files.
Usage: avisubdump <avi>
+
+Format conversion scripts in the TOOLS dir
+------------------------------------------
+
+302m_convert.c
+
+Author: Reimar Döffinger
+
+Description: Converts D-Cinema Audio (SMPTE 302M?) to WAV.
+
+Usage: 302m_convert <in.302> <out.wav>
+
+
+360m_convert.c
+
+Author: Reimar Döffinger
+
+Description: Converts D-Cinema Videa (MPEG2 in GXF, SMPTE 360M) to MPEG-ES.
+ Use -demuxer mpeges to play the converted file.
+
+Usage: 360m_convert <in.gxf> <out.m2v>