summaryrefslogtreecommitdiff
path: root/libavcodec
diff options
context:
space:
mode:
authorDiego Biurrun <diego@biurrun.de>2013-03-26 18:17:57 +0100
committerDiego Biurrun <diego@biurrun.de>2013-03-27 14:21:45 +0100
commit1db6a080bddd14fed6b29140ecd2e21e42b1c022 (patch)
treed1f7181ddc9bc8413828bc3fa9a30c6f96a09aa7 /libavcodec
parentb2472539297742c15b4d0a3977b5751170a2c1ae (diff)
downloadffmpeg-1db6a080bddd14fed6b29140ecd2e21e42b1c022.tar.gz
dca: Move ff_dca_convert_bitstream() to the DCA common code
This makes the DCA parser and decoder independent.
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/Makefile2
-rw-r--r--libavcodec/dca.c37
-rw-r--r--libavcodec/dca.h6
-rw-r--r--libavcodec/dca_parser.c37
-rw-r--r--libavcodec/dca_parser.h36
-rw-r--r--libavcodec/dcadec.c1
6 files changed, 44 insertions, 75 deletions
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index addf5a5ae2..32a3a7b28a 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -134,7 +134,7 @@ OBJS-$(CONFIG_COMFORTNOISE_ENCODER) += cngenc.o
OBJS-$(CONFIG_CSCD_DECODER) += cscd.o
OBJS-$(CONFIG_CYUV_DECODER) += cyuv.o
OBJS-$(CONFIG_DCA_DECODER) += dcadec.o dca.o dcadsp.o \
- dca_parser.o synth_filter.o
+ synth_filter.o
OBJS-$(CONFIG_DFA_DECODER) += dfa.o
OBJS-$(CONFIG_DNXHD_DECODER) += dnxhddec.o dnxhddata.o
OBJS-$(CONFIG_DNXHD_ENCODER) += dnxhdenc.o dnxhddata.o
diff --git a/libavcodec/dca.c b/libavcodec/dca.c
index 0f1eeecf7b..308211f01a 100644
--- a/libavcodec/dca.c
+++ b/libavcodec/dca.c
@@ -19,7 +19,9 @@
*/
#include <stdint.h>
+#include <string.h>
+#include "put_bits.h"
#include "dca.h"
const uint32_t avpriv_dca_sample_rates[16] =
@@ -27,3 +29,38 @@ const uint32_t avpriv_dca_sample_rates[16] =
0, 8000, 16000, 32000, 0, 0, 11025, 22050, 44100, 0, 0,
12000, 24000, 48000, 96000, 192000
};
+
+int ff_dca_convert_bitstream(const uint8_t *src, int src_size, uint8_t *dst,
+ int max_size)
+{
+ uint32_t mrk;
+ int i, tmp;
+ const uint16_t *ssrc = (const uint16_t *) src;
+ uint16_t *sdst = (uint16_t *) dst;
+ PutBitContext pb;
+
+ if ((unsigned) src_size > (unsigned) max_size)
+ src_size = max_size;
+
+ mrk = AV_RB32(src);
+ switch (mrk) {
+ case DCA_MARKER_RAW_BE:
+ memcpy(dst, src, src_size);
+ return src_size;
+ case DCA_MARKER_RAW_LE:
+ for (i = 0; i < (src_size + 1) >> 1; i++)
+ *sdst++ = av_bswap16(*ssrc++);
+ return src_size;
+ case DCA_MARKER_14B_BE:
+ case DCA_MARKER_14B_LE:
+ init_put_bits(&pb, dst, max_size);
+ for (i = 0; i < (src_size + 1) >> 1; i++, src += 2) {
+ tmp = ((mrk == DCA_MARKER_14B_BE) ? AV_RB16(src) : AV_RL16(src)) & 0x3FFF;
+ put_bits(&pb, 14, tmp);
+ }
+ flush_put_bits(&pb);
+ return (put_bits_count(&pb) + 7) >> 3;
+ default:
+ return AVERROR_INVALIDDATA;
+ }
+}
diff --git a/libavcodec/dca.h b/libavcodec/dca.h
index 76342f0ab9..0037de2816 100644
--- a/libavcodec/dca.h
+++ b/libavcodec/dca.h
@@ -39,4 +39,10 @@
extern av_export const uint32_t avpriv_dca_sample_rates[16];
+/**
+ * Convert bitstream to one representation based on sync marker
+ */
+int ff_dca_convert_bitstream(const uint8_t *src, int src_size, uint8_t *dst,
+ int max_size);
+
#endif /* AVCODEC_DCA_H */
diff --git a/libavcodec/dca_parser.c b/libavcodec/dca_parser.c
index ab235cf480..4a3d8125bf 100644
--- a/libavcodec/dca_parser.c
+++ b/libavcodec/dca_parser.c
@@ -24,9 +24,7 @@
#include "parser.h"
#include "dca.h"
-#include "dca_parser.h"
#include "get_bits.h"
-#include "put_bits.h"
typedef struct DCAParseContext {
ParseContext pc;
@@ -103,41 +101,6 @@ static av_cold int dca_parse_init(AVCodecParserContext * s)
return 0;
}
-int ff_dca_convert_bitstream(const uint8_t *src, int src_size, uint8_t *dst,
- int max_size)
-{
- uint32_t mrk;
- int i, tmp;
- const uint16_t *ssrc = (const uint16_t *) src;
- uint16_t *sdst = (uint16_t *) dst;
- PutBitContext pb;
-
- if ((unsigned) src_size > (unsigned) max_size)
- src_size = max_size;
-
- mrk = AV_RB32(src);
- switch (mrk) {
- case DCA_MARKER_RAW_BE:
- memcpy(dst, src, src_size);
- return src_size;
- case DCA_MARKER_RAW_LE:
- for (i = 0; i < (src_size + 1) >> 1; i++)
- *sdst++ = av_bswap16(*ssrc++);
- return src_size;
- case DCA_MARKER_14B_BE:
- case DCA_MARKER_14B_LE:
- init_put_bits(&pb, dst, max_size);
- for (i = 0; i < (src_size + 1) >> 1; i++, src += 2) {
- tmp = ((mrk == DCA_MARKER_14B_BE) ? AV_RB16(src) : AV_RL16(src)) & 0x3FFF;
- put_bits(&pb, 14, tmp);
- }
- flush_put_bits(&pb);
- return (put_bits_count(&pb) + 7) >> 3;
- default:
- return AVERROR_INVALIDDATA;
- }
-}
-
static int dca_parse_params(const uint8_t *buf, int buf_size, int *duration,
int *sample_rate)
{
diff --git a/libavcodec/dca_parser.h b/libavcodec/dca_parser.h
deleted file mode 100644
index f480eab7ce..0000000000
--- a/libavcodec/dca_parser.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * DCA parser
- * Copyright (C) 2004 Gildas Bazin
- * Copyright (C) 2004 Benjamin Zores
- * Copyright (C) 2006 Benjamin Larsson
- * Copyright (C) 2007 Konstantin Shishkov
- *
- * 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
- */
-
-#ifndef AVCODEC_DCA_PARSER_H
-#define AVCODEC_DCA_PARSER_H
-
-#include <stdint.h>
-
-/**
- * Convert bitstream to one representation based on sync marker
- */
-int ff_dca_convert_bitstream(const uint8_t *src, int src_size, uint8_t *dst,
- int max_size);
-
-#endif /* AVCODEC_DCA_PARSER_H */
diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c
index e53b03e8f9..0f7337574f 100644
--- a/libavcodec/dcadec.c
+++ b/libavcodec/dcadec.c
@@ -40,7 +40,6 @@
#include "dcadata.h"
#include "dcahuff.h"
#include "dca.h"
-#include "dca_parser.h"
#include "mathops.h"
#include "synth_filter.h"
#include "dcadsp.h"