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| author | Michael Niedermayer <michaelni@gmx.at> | 2011-05-21 05:00:01 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-05-21 05:32:03 +0200 |
| commit | 6d32bcd770c638e49d69a4d5eb5464cfa4f35d9a (patch) | |
| tree | 892dbfcfc54c4acdfe9619fdb597eb741c6abae6 /libavcodec/mpegaudio.h | |
| parent | 840238b8706ea2ca740cf4b49bffd8ae196352f9 (diff) | |
| parent | a1d0dcc7134f1401c682b5e13d4ab3864da21efb (diff) | |
| download | ffmpeg-6d32bcd770c638e49d69a4d5eb5464cfa4f35d9a.tar.gz | |
Merge remote-tracking branch 'qatar/master'
* qatar/master:
configure: make executable again
LATM/AAC: Free previously initialized context on reinit.
configure: Do not unconditionally add -Wall to host CFLAGS.
configure: Set OS/2 objformat to a.out.
Add support for a.out object format to assembler macros.
fate: disable threading for encoding
fate: add comment field
fate: allow overriding default build and install dirs
mpegtsenc: Add an AVClass pointer to the private data
mpegaudio: clean up #includes
mpegaudio: move all header parsing to mpegaudiodecheader.[ch]
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/mpegaudio.h')
| -rw-r--r-- | libavcodec/mpegaudio.h | 38 |
1 files changed, 1 insertions, 37 deletions
diff --git a/libavcodec/mpegaudio.h b/libavcodec/mpegaudio.h index 7e2ca845d1..b829cd3f8a 100644 --- a/libavcodec/mpegaudio.h +++ b/libavcodec/mpegaudio.h @@ -30,7 +30,7 @@ # define CONFIG_FLOAT 0 #endif -#include "avcodec.h" +#include <stdint.h> /* max frame size, in samples */ #define MPA_FRAME_SIZE 1152 @@ -47,8 +47,6 @@ #define MPA_DUAL 2 #define MPA_MONO 3 -#define MP3_MASK 0xFFFE0CCF - #ifndef FRAC_BITS #define FRAC_BITS 23 /* fractional bits for sb_samples and dct */ #define WFRAC_BITS 16 /* fractional bits for window */ @@ -72,40 +70,6 @@ typedef int32_t MPA_INT; typedef int16_t OUT_INT; #endif -#define MPA_DECODE_HEADER \ - int frame_size; \ - int error_protection; \ - int layer; \ - int sample_rate; \ - int sample_rate_index; /* between 0 and 8 */ \ - int bit_rate; \ - int nb_channels; \ - int mode; \ - int mode_ext; \ - int lsf; - -typedef struct MPADecodeHeader { - MPA_DECODE_HEADER -} MPADecodeHeader; - int ff_mpa_l2_select_table(int bitrate, int nb_channels, int freq, int lsf); -int ff_mpa_decode_header(AVCodecContext *avctx, uint32_t head, int *sample_rate, int *channels, int *frame_size, int *bitrate); - -/* fast header check for resync */ -static inline int ff_mpa_check_header(uint32_t header){ - /* header */ - if ((header & 0xffe00000) != 0xffe00000) - return -1; - /* layer check */ - if ((header & (3<<17)) == 0) - return -1; - /* bit rate */ - if ((header & (0xf<<12)) == 0xf<<12) - return -1; - /* frequency */ - if ((header & (3<<10)) == 3<<10) - return -1; - return 0; -} #endif /* AVCODEC_MPEGAUDIO_H */ |