mirror of
https://github.com/mpv-player/mpv
synced 2024-12-23 07:12:39 +00:00
42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
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/**
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* convert D-Cinema Video (MPEG2 in GXF, SMPTE 360M) to a
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* MPEG-ES file that MPlayer can play (use -demuxer mpeges).
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* Usage: 360m_convert <infile> <outfile>
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*/
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#include <stdlib.h>
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#include <stdio.h>
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int main(int argc, char *argv[]) {
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FILE *in = fopen(argv[1], "r");
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FILE *out = fopen(argv[2], "w");
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int discard = 0;
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unsigned char buf[4];
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if (!in) {
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printf("Could not open %s for reading\n", argv[1]);
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return EXIT_FAILURE;
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}
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if (!out) {
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printf("Could not open %s for writing\n", argv[2]);
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return EXIT_FAILURE;
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}
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fread(buf, 4, 1, in);
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do {
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if (buf[0] == 0 && buf[1] == 0 && buf[2] == 1) {
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// encountered a header
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// skip data between a 0xbf or 0xbc header and the next 0x00 header
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if (buf[3] == 0xbc || buf[3] == 0xbf)
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discard = 1;
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else if (buf[3] == 0)
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discard = 0;
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}
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if (!discard)
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fwrite(&buf[0], 1, 1, out);
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buf[0] = buf[1];
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buf[1] = buf[2];
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buf[2] = buf[3];
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fread(&buf[3], 1, 1, in);
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} while (!feof(in));
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return EXIT_SUCCESS;
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}
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