38 lines
1.4 KiB
C
38 lines
1.4 KiB
C
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#include "mov-internal.h"
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#include <assert.h>
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#include <stdlib.h>
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#include <errno.h>
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// https://www.webmproject.org/vp9/mp4/
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int mov_read_smdm(struct mov_t* mov, const struct mov_box_t* box)
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{
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(void)box;
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mov_buffer_r8(&mov->io); // version
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mov_buffer_r24(&mov->io); // flags
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mov_buffer_r16(&mov->io); // primaryRChromaticity_x, 0.16 fixed-point Red X chromaticity coordinate as defined by CIE 1931
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mov_buffer_r16(&mov->io); // primaryRChromaticity_y
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mov_buffer_r16(&mov->io); // primaryGChromaticity_x
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mov_buffer_r16(&mov->io); // primaryGChromaticity_y
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mov_buffer_r16(&mov->io); // primaryBChromaticity_x
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mov_buffer_r16(&mov->io); // primaryBChromaticity_y
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mov_buffer_r16(&mov->io); // whitePointChromaticity_x
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mov_buffer_r16(&mov->io); // whitePointChromaticity_y
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mov_buffer_r32(&mov->io); // luminanceMax, 24.8 fixed point Maximum luminance, represented in candelas per square meter (cd/m²)
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mov_buffer_r32(&mov->io); // luminanceMin
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return mov_buffer_error(&mov->io);
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}
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int mov_read_coll(struct mov_t* mov, const struct mov_box_t* box)
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{
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(void)box;
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mov_buffer_r8(&mov->io); // version
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mov_buffer_r24(&mov->io); // flags
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mov_buffer_r16(&mov->io); // maxCLL, Maximum Content Light Level as specified in CEA-861.3, Appendix A.
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mov_buffer_r16(&mov->io); // maxFALL, Maximum Frame-Average Light Level as specified in CEA-861.3, Appendix A.
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return mov_buffer_error(&mov->io);
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}
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