diff options
Diffstat (limited to 'libavcodec/intrax8.h')
| -rw-r--r-- | libavcodec/intrax8.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/libavcodec/intrax8.h b/libavcodec/intrax8.h index 83e984bbef..3339bc6cfd 100644 --- a/libavcodec/intrax8.h +++ b/libavcodec/intrax8.h @@ -56,8 +56,30 @@ typedef struct IntraX8Context { int est_run; } IntraX8Context; +/** + * Initialize IntraX8 frame decoder. + * Requires valid MpegEncContext with valid s->mb_width before calling. + * @param w pointer to IntraX8Context + * @param s pointer to MpegEncContext of the parent codec + */ void ff_intrax8_common_init(IntraX8Context *w, MpegEncContext *const s); + +/** + * Destroy IntraX8 frame structure. + * @param w pointer to IntraX8Context + */ void ff_intrax8_common_end(IntraX8Context *w); + +/** + * Decode single IntraX8 frame. + * The parent codec must fill s->loopfilter and s->gb (bitstream). + * The parent codec must call ff_mpv_frame_start() before calling this function. + * The parent codec must call ff_mpv_frame_end() after calling this function. + * This function does not use ff_mpv_decode_mb(). + * @param w pointer to IntraX8Context + * @param dquant doubled quantizer, it would be odd in case of VC-1 halfpq==1. + * @param quant_offset offset away from zero + */ int ff_intrax8_decode_picture(IntraX8Context *w, int quant, int halfpq); #endif /* AVCODEC_INTRAX8_H */ |