44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
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#include "mov-internal.h"
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#include <string.h>
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#include <assert.h>
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// 8.4.3 Handler Reference Box (p36)
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// Box Type: 'hdlr'
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// Container: Media Box ('mdia') or Meta Box ('meta')
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// Mandatory: Yes
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// Quantity: Exactly one
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int mov_read_hdlr(struct mov_t* mov, const struct mov_box_t* box)
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{
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struct mov_track_t* track = mov->track;
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mov_buffer_r8(&mov->io); /* version */
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mov_buffer_r24(&mov->io); /* flags */
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//uint32_t pre_defined = mov_buffer_r32(&mov->io);
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mov_buffer_skip(&mov->io, 4);
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track->handler_type = mov_buffer_r32(&mov->io);
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// const unsigned int(32)[3] reserved = 0;
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mov_buffer_skip(&mov->io, 12);
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// string name;
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mov_buffer_skip(&mov->io, box->size - 24); // String name
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return 0;
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}
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size_t mov_write_hdlr(const struct mov_t* mov)
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{
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const struct mov_track_t* track = mov->track;
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mov_buffer_w32(&mov->io, 33 + (uint32_t)strlen(track->handler_descr)); /* size */
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mov_buffer_write(&mov->io, "hdlr", 4);
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mov_buffer_w32(&mov->io, 0); /* Version & flags */
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mov_buffer_w32(&mov->io, 0); /* pre_defined */
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mov_buffer_w32(&mov->io, track->handler_type); /* handler_type */
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mov_buffer_w32(&mov->io, 0); /* reserved */
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mov_buffer_w32(&mov->io, 0); /* reserved */
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mov_buffer_w32(&mov->io, 0); /* reserved */
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mov_buffer_write(&mov->io, track->handler_descr, (uint64_t)strlen(track->handler_descr)+1); /* name */
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return 33 + strlen(track->handler_descr);
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}
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