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dca: Move tables used outside of dcadec.c to a separate file.

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This commit is contained in:
Diego Biurrun 2012-07-31 20:09:23 +02:00
parent 13a79cf84e
commit 9e4bca16f8
7 changed files with 39 additions and 13 deletions
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5
libavcodec/Makefile
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@ -119,7 +119,7 @@ OBJS-$(CONFIG_CLJR_ENCODER) += cljr.o
OBJS-$(CONFIG_COOK_DECODER) += cook.o
OBJS-$(CONFIG_CSCD_DECODER) += cscd.o
OBJS-$(CONFIG_CYUV_DECODER) += cyuv.o
OBJS-$(CONFIG_DCA_DECODER) += dcadec.o dcadsp.o \
OBJS-$(CONFIG_DCA_DECODER) += dcadec.o dca.o dcadsp.o \
dca_parser.o synth_filter.o
OBJS-$(CONFIG_DFA_DECODER) += dfa.o
OBJS-$(CONFIG_DNXHD_DECODER) += dnxhddec.o dnxhddata.o
@ -596,6 +596,7 @@ OBJS-$(CONFIG_OGG_DEMUXER) += xiph.o flac.o flacdata.o \
OBJS-$(CONFIG_OGG_MUXER) += xiph.o flac.o flacdata.o
OBJS-$(CONFIG_RTP_MUXER) += mpeg4audio.o mpegvideo.o xiph.o
OBJS-$(CONFIG_SPDIF_DEMUXER) += aacadtsdec.o mpeg4audio.o
OBJS-$(CONFIG_SPDIF_MUXER) += dca.o
OBJS-$(CONFIG_WEBM_MUXER) += mpeg4audio.o mpegaudiodata.o \
xiph.o flac.o flacdata.o
OBJS-$(CONFIG_WTV_DEMUXER) += mpeg4audio.o mpegaudiodata.o
@ -641,7 +642,7 @@ OBJS-$(CONFIG_AC3_PARSER) += ac3_parser.o ac3tab.o \
OBJS-$(CONFIG_ADX_PARSER) += adx_parser.o adx.o
OBJS-$(CONFIG_CAVSVIDEO_PARSER) += cavs_parser.o
OBJS-$(CONFIG_COOK_PARSER) += cook_parser.o
OBJS-$(CONFIG_DCA_PARSER) += dca_parser.o
OBJS-$(CONFIG_DCA_PARSER) += dca_parser.o dca.o
OBJS-$(CONFIG_DIRAC_PARSER) += dirac_parser.o
OBJS-$(CONFIG_DNXHD_PARSER) += dnxhd_parser.o
OBJS-$(CONFIG_DVBSUB_PARSER) += dvbsub_parser.o

29
libavcodec/dca.c Normal file
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@ -0,0 +1,29 @@
/*
* DCA compatible decoder data
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#include "dca.h"
const uint32_t ff_dca_sample_rates[16] =
{
0, 8000, 16000, 32000, 0, 0, 11025, 22050, 44100, 0, 0,
12000, 24000, 48000, 96000, 192000
};

4
libavcodec/dca.h
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@ -25,6 +25,8 @@
#ifndef AVCODEC_DCA_H
#define AVCODEC_DCA_H
#include <stdint.h>
/** DCA syncwords, also used for bitstream type detection */
#define DCA_MARKER_RAW_BE 0x7FFE8001
#define DCA_MARKER_RAW_LE 0xFE7F0180
@ -34,4 +36,6 @@
/** DCA-HD specific block starts with this marker. */
#define DCA_HD_MARKER 0x64582025
extern const uint32_t ff_dca_sample_rates[16];
#endif /* AVCODEC_DCA_H */

3
libavcodec/dca_parser.c
View File

@ -24,7 +24,6 @@
#include "parser.h"
#include "dca.h"
#include "dcadata.h"
#include "dca_parser.h"
#include "get_bits.h"
#include "put_bits.h"
@ -162,7 +161,7 @@ static int dca_parse_params(const uint8_t *buf, int buf_size, int *duration,
skip_bits(&gb, 20);
sr_code = get_bits(&gb, 4);
*sample_rate = dca_sample_rates[sr_code];
*sample_rate = ff_dca_sample_rates[sr_code];
if (*sample_rate == 0)
return AVERROR_INVALIDDATA;

6
libavcodec/dcadata.h
View File

@ -28,12 +28,6 @@
/* Generic tables */
static const uint32_t dca_sample_rates[16] =
{
0, 8000, 16000, 32000, 0, 0, 11025, 22050, 44100, 0, 0,
12000, 24000, 48000, 96000, 192000
};
static const uint32_t dca_bit_rates[32] =
{
32000, 56000, 64000, 96000, 112000, 128000,

2
libavcodec/dcadec.c
View File

@ -561,7 +561,7 @@ static int dca_parse_frame_header(DCAContext *s)
if (s->frame_size < 95)
return AVERROR_INVALIDDATA;
s->amode = get_bits(&s->gb, 6);
s->sample_rate = dca_sample_rates[get_bits(&s->gb, 4)];
s->sample_rate = ff_dca_sample_rates[get_bits(&s->gb, 4)];
if (!s->sample_rate)
return AVERROR_INVALIDDATA;
s->bit_rate_index = get_bits(&s->gb, 5);

3
libavformat/spdifenc.c
View File

@ -49,7 +49,6 @@
#include "spdif.h"
#include "libavcodec/ac3.h"
#include "libavcodec/dca.h"
#include "libavcodec/dcadata.h"
#include "libavcodec/aacadtsdec.h"
#include "libavutil/opt.h"
@ -253,7 +252,7 @@ static int spdif_header_dts(AVFormatContext *s, AVPacket *pkt)
case DCA_MARKER_RAW_BE:
blocks = (AV_RB16(pkt->data + 4) >> 2) & 0x7f;
core_size = ((AV_RB24(pkt->data + 5) >> 4) & 0x3fff) + 1;
sample_rate = dca_sample_rates[(pkt->data[8] >> 2) & 0x0f];
sample_rate = ff_dca_sample_rates[(pkt->data[8] >> 2) & 0x0f];
break;
case DCA_MARKER_RAW_LE:
blocks = (AV_RL16(pkt->data + 4) >> 2) & 0x7f;