diff options
Diffstat (limited to 'ffmpeg/libavcodec/mpeg12.h')
| -rw-r--r-- | ffmpeg/libavcodec/mpeg12.h | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/ffmpeg/libavcodec/mpeg12.h b/ffmpeg/libavcodec/mpeg12.h index 1f36917..b4ebd23 100644 --- a/ffmpeg/libavcodec/mpeg12.h +++ b/ffmpeg/libavcodec/mpeg12.h @@ -25,25 +25,21 @@ #include "mpegvideo.h" #define DC_VLC_BITS 9 +#define MV_VLC_BITS 9 #define TEX_VLC_BITS 9 +#define MBINCR_VLC_BITS 9 +#define MB_PAT_VLC_BITS 9 +#define MB_PTYPE_VLC_BITS 6 +#define MB_BTYPE_VLC_BITS 6 + extern VLC ff_dc_lum_vlc; extern VLC ff_dc_chroma_vlc; - -typedef struct Mpeg1Context { - MpegEncContext mpeg_enc_ctx; - int mpeg_enc_ctx_allocated; /* true if decoding context allocated */ - int repeat_field; /* true if we must repeat the field */ - AVPanScan pan_scan; /**< some temporary storage for the panscan */ - int slice_count; - int swap_uv;//indicate VCR2 - int save_aspect_info; - int save_width, save_height, save_progressive_seq; - AVRational frame_rate_ext; ///< MPEG-2 specific framerate modificator - int sync; ///< Did we reach a sync point like a GOP/SEQ/KEYFrame? - int tmpgexs; - int extradata_decoded; -} Mpeg1Context; +extern VLC ff_mbincr_vlc; +extern VLC ff_mb_ptype_vlc; +extern VLC ff_mb_btype_vlc; +extern VLC ff_mb_pat_vlc; +extern VLC ff_mv_vlc; extern uint8_t ff_mpeg12_static_rl_table_store[2][2][2*MAX_RUN + MAX_LEVEL + 3]; @@ -71,6 +67,8 @@ static inline int decode_dc(GetBitContext *gb, int component) return diff; } -extern int ff_mpeg1_decode_block_intra(MpegEncContext *s, int16_t *block, int n); +int ff_mpeg1_decode_block_intra(MpegEncContext *s, int16_t *block, int n); +void ff_mpeg1_clean_buffers(MpegEncContext *s); +int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size, AVCodecParserContext *s); #endif /* AVCODEC_MPEG12_H */ |