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lavc/h264: move some shared code from h264dec to h264_parse

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Anton Khirnov 2022-01-24 18:00:08 +01:00 committed by Andreas Rheinhardt
parent df2ee38178
commit d552f2535b
3 changed files with 33 additions and 26 deletions
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32
libavcodec/h264_parse.h
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@ -24,9 +24,32 @@
#ifndef AVCODEC_H264_PARSE_H
#define AVCODEC_H264_PARSE_H
#include "config.h"
#include <stdint.h>
#include "libavutil/attributes.h"
#include "get_bits.h"
#include "h264_ps.h"
// This table must be here because scan8[constant] must be known at compiletime
static const uint8_t scan8[16 * 3 + 3] = {
4 + 1 * 8, 5 + 1 * 8, 4 + 2 * 8, 5 + 2 * 8,
6 + 1 * 8, 7 + 1 * 8, 6 + 2 * 8, 7 + 2 * 8,
4 + 3 * 8, 5 + 3 * 8, 4 + 4 * 8, 5 + 4 * 8,
6 + 3 * 8, 7 + 3 * 8, 6 + 4 * 8, 7 + 4 * 8,
4 + 6 * 8, 5 + 6 * 8, 4 + 7 * 8, 5 + 7 * 8,
6 + 6 * 8, 7 + 6 * 8, 6 + 7 * 8, 7 + 7 * 8,
4 + 8 * 8, 5 + 8 * 8, 4 + 9 * 8, 5 + 9 * 8,
6 + 8 * 8, 7 + 8 * 8, 6 + 9 * 8, 7 + 9 * 8,
4 + 11 * 8, 5 + 11 * 8, 4 + 12 * 8, 5 + 12 * 8,
6 + 11 * 8, 7 + 11 * 8, 6 + 12 * 8, 7 + 12 * 8,
4 + 13 * 8, 5 + 13 * 8, 4 + 14 * 8, 5 + 14 * 8,
6 + 13 * 8, 7 + 13 * 8, 6 + 14 * 8, 7 + 14 * 8,
0 + 0 * 8, 0 + 5 * 8, 0 + 10 * 8
};
/**
* Memory management control operation opcode.
*/
@ -103,4 +126,13 @@ int ff_h264_decode_extradata(const uint8_t *data, int size, H264ParamSets *ps,
*/
int ff_h264_get_profile(const SPS *sps);
static av_always_inline uint32_t pack16to32(unsigned a, unsigned b)
{
#if HAVE_BIGENDIAN
return (b & 0xFFFF) + (a << 16);
#else
return (a & 0xFFFF) + (b << 16);
#endif
}
#endif /* AVCODEC_H264_PARSE_H */

26
libavcodec/h264dec.h
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@ -642,32 +642,6 @@ void ff_h264_filter_mb(const H264Context *h, H264SliceContext *sl, int mb_x, int
#define LUMA_DC_BLOCK_INDEX 48
#define CHROMA_DC_BLOCK_INDEX 49
// This table must be here because scan8[constant] must be known at compiletime
static const uint8_t scan8[16 * 3 + 3] = {
4 + 1 * 8, 5 + 1 * 8, 4 + 2 * 8, 5 + 2 * 8,
6 + 1 * 8, 7 + 1 * 8, 6 + 2 * 8, 7 + 2 * 8,
4 + 3 * 8, 5 + 3 * 8, 4 + 4 * 8, 5 + 4 * 8,
6 + 3 * 8, 7 + 3 * 8, 6 + 4 * 8, 7 + 4 * 8,
4 + 6 * 8, 5 + 6 * 8, 4 + 7 * 8, 5 + 7 * 8,
6 + 6 * 8, 7 + 6 * 8, 6 + 7 * 8, 7 + 7 * 8,
4 + 8 * 8, 5 + 8 * 8, 4 + 9 * 8, 5 + 9 * 8,
6 + 8 * 8, 7 + 8 * 8, 6 + 9 * 8, 7 + 9 * 8,
4 + 11 * 8, 5 + 11 * 8, 4 + 12 * 8, 5 + 12 * 8,
6 + 11 * 8, 7 + 11 * 8, 6 + 12 * 8, 7 + 12 * 8,
4 + 13 * 8, 5 + 13 * 8, 4 + 14 * 8, 5 + 14 * 8,
6 + 13 * 8, 7 + 13 * 8, 6 + 14 * 8, 7 + 14 * 8,
0 + 0 * 8, 0 + 5 * 8, 0 + 10 * 8
};
static av_always_inline uint32_t pack16to32(unsigned a, unsigned b)
{
#if HAVE_BIGENDIAN
return (b & 0xFFFF) + (a << 16);
#else
return (a & 0xFFFF) + (b << 16);
#endif
}
/**
* Get the chroma qp.
*/

1
tests/checkasm/h264dsp.c
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@ -23,6 +23,7 @@
#include "libavcodec/avcodec.h"
#include "libavcodec/h264dsp.h"
#include "libavcodec/h264data.h"
#include "libavcodec/h264_parse.h"
#include "libavutil/common.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"