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Merge commit 'ad8aa8e6c648b61f01b9f106f27b9d4f3d094345'

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* commit 'ad8aa8e6c648b61f01b9f106f27b9d4f3d094345':
  intrax8: Move documentation from implementation to header file

Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
This commit is contained in:
Derek Buitenhuis 2016-04-17 19:30:01 +01:00
commit c29ac4abb8
2 changed files with 23 additions and 21 deletions
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21
libavcodec/intrax8.c
View File

@ -738,12 +738,6 @@ static void x8_init_block_index(MpegEncContext *s)
s->dest[2] += (s->mb_y & (~1)) * uvlinesize << 2;
}
/**
* 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
*/
av_cold void ff_intrax8_common_init(IntraX8Context *w, MpegEncContext *const s)
{
w->s = s;
@ -768,26 +762,11 @@ av_cold void ff_intrax8_common_init(IntraX8Context *w, MpegEncContext *const s)
ff_intrax8dsp_init(&w->dsp);
}
/**
* Destroy IntraX8 frame structure.
* @param w pointer to IntraX8Context
*/
av_cold void ff_intrax8_common_end(IntraX8Context *w)
{
av_freep(&w->prediction_table);
}
/**
* 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().
* lowres decoding is theoretically impossible.
* @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 *const w, int dquant,
int quant_offset)
{

23
libavcodec/intrax8.h
View File

@ -59,8 +59,31 @@ 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().
* lowres decoding is theoretically impossible.
* @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 */