Commit eaeba6f2 authored by Vittorio Giovara's avatar Vittorio Giovara

intrax8: Pass the output frame to the decoding function

Helps in decoupling this code from mpegvideo.
parent 57739332
......@@ -336,7 +336,7 @@ static int x8_setup_spatial_predictor(IntraX8Context *const w, const int chroma)
int quant;
w->dsp.setup_spatial_compensation(w->dest[chroma], s->sc.edge_emu_buffer,
s->current_picture.f->linesize[chroma > 0],
w->frame->linesize[chroma > 0],
&range, &sum, w->edges);
if (chroma) {
w->orient = w->chroma_orient;
......@@ -672,7 +672,7 @@ static int x8_decode_intra_mb(IntraX8Context *const w, const int chroma)
dsp_x8_put_solidcolor(av_clip_uint8((dc_level * dc_quant + 4) >> 3),
w->dest[chroma],
s->current_picture.f->linesize[!!chroma]);
w->frame->linesize[!!chroma]);
goto block_placed;
}
......@@ -697,15 +697,15 @@ static int x8_decode_intra_mb(IntraX8Context *const w, const int chroma)
if (w->flat_dc) {
dsp_x8_put_solidcolor(w->predicted_dc, w->dest[chroma],
s->current_picture.f->linesize[!!chroma]);
w->frame->linesize[!!chroma]);
} else {
w->dsp.spatial_compensation[w->orient](s->sc.edge_emu_buffer,
w->dest[chroma],
s->current_picture.f->linesize[!!chroma]);
w->frame->linesize[!!chroma]);
}
if (!zeros_only)
w->idsp.idct_add(w->dest[chroma],
s->current_picture.f->linesize[!!chroma],
w->frame->linesize[!!chroma],
s->block[0]);
block_placed:
......@@ -714,7 +714,7 @@ block_placed:
if (w->loopfilter) {
uint8_t *ptr = w->dest[chroma];
int linesize = s->current_picture.f->linesize[!!chroma];
int linesize = w->frame->linesize[!!chroma];
if (!((w->edges & 2) || (zeros_only && (w->orient | 4) == 4)))
w->dsp.h_loop_filter(ptr, linesize, w->quant);
......@@ -775,8 +775,8 @@ av_cold void ff_intrax8_common_end(IntraX8Context *w)
av_freep(&w->prediction_table);
}
int ff_intrax8_decode_picture(IntraX8Context *const w, int dquant,
int quant_offset, int loopfilter)
int ff_intrax8_decode_picture(IntraX8Context *const w, Picture *pict,
int dquant, int quant_offset, int loopfilter)
{
MpegEncContext *const s = w->s;
int mb_xy;
......@@ -786,6 +786,7 @@ int ff_intrax8_decode_picture(IntraX8Context *const w, int dquant,
w->dquant = dquant;
w->quant = dquant >> 1;
w->qsum = quant_offset;
w->frame = pict->f;
w->loopfilter = loopfilter;
w->divide_quant_dc_luma = ((1 << 16) + (w->quant >> 1)) / w->quant;
......@@ -799,7 +800,7 @@ int ff_intrax8_decode_picture(IntraX8Context *const w, int dquant,
x8_reset_vlc_tables(w);
for (s->mb_y = 0; s->mb_y < s->mb_height * 2; s->mb_y++) {
x8_init_block_index(w, s->current_picture.f, s->mb_y);
x8_init_block_index(w, w->frame, s->mb_y);
mb_xy = (s->mb_y >> 1) * s->mb_stride;
for (s->mb_x = 0; s->mb_x < s->mb_width * 2; s->mb_x++) {
......@@ -828,7 +829,7 @@ int ff_intrax8_decode_picture(IntraX8Context *const w, int dquant,
/* emulate MB info in the relevant tables */
s->mbskip_table[mb_xy] = 0;
s->mbintra_table[mb_xy] = 1;
s->current_picture.qscale_table[mb_xy] = w->quant;
pict->qscale_table[mb_xy] = w->quant;
mb_xy++;
}
w->dest[0] += 8;
......
......@@ -23,6 +23,7 @@
#include "mpegvideo.h"
#include "idctdsp.h"
#include "intrax8dsp.h"
#include "mpegpicture.h"
typedef struct IntraX8Context {
VLC *j_ac_vlc[4]; // they point to the static j_mb_vlc
......@@ -43,6 +44,7 @@ typedef struct IntraX8Context {
int dquant;
int qsum;
int loopfilter;
AVFrame *frame;
// calculated per frame
int quant_dc_chroma;
......@@ -84,11 +86,12 @@ void ff_intrax8_common_end(IntraX8Context *w);
* 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 pict the output Picture containing an AVFrame
* @param dquant doubled quantizer, it would be odd in case of VC-1 halfpq==1.
* @param quant_offset offset away from zero
* @param loopfilter enable filter after decoding a block
*/
int ff_intrax8_decode_picture(IntraX8Context *w, int quant, int halfpq,
int loopfilter);
int ff_intrax8_decode_picture(IntraX8Context *w, Picture *pict,
int quant, int halfpq, int loopfilter);
#endif /* AVCODEC_INTRAX8_H */
......@@ -3022,8 +3022,9 @@ void ff_vc1_decode_blocks(VC1Context *v)
v->s.esc3_level_length = 0;
if (v->x8_type) {
ff_intrax8_decode_picture(&v->x8, 2 * v->pq + v->halfpq,
v->pq * !v->pquantizer, v->s.loop_filter);
ff_intrax8_decode_picture(&v->x8, &v->s.current_picture,
2 * v->pq + v->halfpq, v->pq * !v->pquantizer,
v->s.loop_filter);
ff_er_add_slice(&v->s.er, 0, 0,
(v->s.mb_x >> 1) - 1, (v->s.mb_y >> 1) - 1,
......
......@@ -228,7 +228,8 @@ int ff_wmv2_decode_secondary_picture_header(MpegEncContext *s)
s->picture_number++; // FIXME ?
if (w->j_type) {
ff_intrax8_decode_picture(&w->x8, 2 * s->qscale, (s->qscale - 1) | 1,
ff_intrax8_decode_picture(&w->x8, &s->current_picture,
2 * s->qscale, (s->qscale - 1) | 1,
s->loop_filter);
ff_er_add_slice(&w->s.er, 0, 0,
......
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