From f40bfc9267b13b54e6379dfe7539447662879d24 Mon Sep 17 00:00:00 2001 From: Sean Bartell Date: Sat, 25 Jun 2011 21:32:25 -0400 Subject: Add codecs to librbcodec. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97 Reviewed-on: http://gerrit.rockbox.org/137 Reviewed-by: Nils Wallménius Tested-by: Nils Wallménius --- lib/rbcodec/codecs/libffmpegFLAC/decoder.h | 49 ++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 lib/rbcodec/codecs/libffmpegFLAC/decoder.h (limited to 'lib/rbcodec/codecs/libffmpegFLAC/decoder.h') diff --git a/lib/rbcodec/codecs/libffmpegFLAC/decoder.h b/lib/rbcodec/codecs/libffmpegFLAC/decoder.h new file mode 100644 index 0000000000..677a21ac98 --- /dev/null +++ b/lib/rbcodec/codecs/libffmpegFLAC/decoder.h @@ -0,0 +1,49 @@ +#ifndef _FLAC_DECODER_H +#define _FLAC_DECODER_H + +#include "bitstream.h" + +#define MAX_CHANNELS 6 /* Maximum supported channels, only left/right will be played back */ +#define MAX_BLOCKSIZE 4608 /* Maxsize in samples of one uncompressed frame */ +#define MAX_FRAMESIZE 65536 /* Maxsize in bytes of one compressed frame */ + +#define FLAC_OUTPUT_DEPTH 29 /* Provide samples left-shifted to 28 bits+sign */ + +enum decorrelation_type { + INDEPENDENT, + LEFT_SIDE, + RIGHT_SIDE, + MID_SIDE, +}; + +typedef struct FLACContext { + GetBitContext gb; + + int min_blocksize, max_blocksize; + int min_framesize, max_framesize; + int samplerate, channels; + int blocksize/*, last_blocksize*/; + int bps, curr_bps; + unsigned long samplenumber; + unsigned long totalsamples; + enum decorrelation_type decorrelation; + + int filesize; + int length; + int bitrate; + int metadatalength; + + int bitstream_size; + int bitstream_index; + + int sample_skip; + int framesize; + + int32_t *decoded[MAX_CHANNELS]; +} FLACContext; + +int flac_decode_frame(FLACContext *s, + uint8_t *buf, int buf_size, + void (*yield)(void)) ICODE_ATTR_FLAC; + +#endif -- cgit v1.2.3