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Code Issues Releases Activity

CODEC_CAP_DRAW_HORIZ_BAND

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Originally committed as revision 1886 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-05-16 10:14:25 +00:00
parent 669ac79cf5
commit 4c701ac80d
1 changed files with 19 additions and 13 deletions
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32
libavcodec/svq3.c
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@ -271,15 +271,15 @@ static inline void svq3_mc_dir_part (MpegEncContext *s, int x, int y,
mx += x;
my += y;
if (mx < 0 || mx >= (s->width - width - 1) ||
my < 0 || my >= (s->height - height - 1)) {
if (mx < 0 || mx >= (s->h_edge_pos - width - 1) ||
my < 0 || my >= (s->v_edge_pos - height - 1)) {
if ((s->flags & CODEC_FLAG_EMU_EDGE)) {
emu = 1;
}
mx = clip (mx, -16, (s->width - width + 15));
my = clip (my, -16, (s->height - height + 15));
mx = clip (mx, -16, (s->h_edge_pos - width + 15));
my = clip (my, -16, (s->v_edge_pos - height + 15));
}
/* form component predictions */
@ -288,7 +288,7 @@ static inline void svq3_mc_dir_part (MpegEncContext *s, int x, int y,
if (emu) {
ff_emulated_edge_mc (s, src, s->linesize, (width + 1), (height + 1),
mx, my, s->width, s->height);
mx, my, s->h_edge_pos, s->v_edge_pos);
src = s->edge_emu_buffer;
}
if(thirdpel)
@ -309,7 +309,7 @@ static inline void svq3_mc_dir_part (MpegEncContext *s, int x, int y,
if (emu) {
ff_emulated_edge_mc (s, src, s->uvlinesize, (width + 1), (height + 1),
mx, my, (s->width >> 1), (s->height >> 1));
mx, my, (s->h_edge_pos >> 1), (s->v_edge_pos >> 1));
src = s->edge_emu_buffer;
}
if(thirdpel)
@ -397,8 +397,8 @@ static int svq3_decode_mb (H264Context *h, unsigned int mb_type) {
pred_motion (h, k, (part_width >> 2), 0, 1, &mx, &my);
/* clip motion vector prediction to frame border */
mx = clip (mx, -6*x, 6*(s->width - part_width - x));
my = clip (my, -6*y, 6*(s->height - part_height - y));
mx = clip (mx, -6*x, 6*(s->h_edge_pos - part_width - x));
my = clip (my, -6*y, 6*(s->v_edge_pos - part_height - y));
/* get motion vector differential */
dy = svq3_get_se_golomb (&s->gb);
@ -576,11 +576,10 @@ static int svq3_decode_frame (AVCodecContext *avctx,
int i;
s->flags = avctx->flags;
if (!s->context_initialized) {
s->width = (avctx->width + 15) & ~15;
s->height = (avctx->height + 15) & ~15;
h->b_stride = (s->width >> 2);
s->width = avctx->width;
s->height = avctx->height;
h->pred4x4[DIAG_DOWN_LEFT_PRED] = pred4x4_down_left_svq3_c;
h->pred16x16[PLANE_PRED8x8] = pred16x16_plane_svq3_c;
h->halfpel_flag = 1;
@ -590,8 +589,13 @@ static int svq3_decode_frame (AVCodecContext *avctx,
if (MPV_common_init (s) < 0)
return -1;
h->b_stride = 4*s->mb_width;
alloc_tables (h);
}
s->low_delay= 1;
if (avctx->extradata && avctx->extradata_size >= 0x63
&& !memcmp (avctx->extradata, "SVQ3", 4)) {
@ -685,6 +689,8 @@ static int svq3_decode_frame (AVCodecContext *avctx,
hl_decode_mb (h);
}
}
ff_draw_horiz_band(s, 16*s->mb_y, 16);
}
*(AVFrame *) data = *(AVFrame *) &s->current_picture;
@ -705,5 +711,5 @@ AVCodec svq3_decoder = {
NULL,
decode_end,
svq3_decode_frame,
CODEC_CAP_DR1,
CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
};