diff options
Diffstat (limited to 'sub/spudec.c')
| -rw-r--r-- | sub/spudec.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sub/spudec.c b/sub/spudec.c index a58df60b17..8ee22a5267 100644 --- a/sub/spudec.c +++ b/sub/spudec.c @@ -127,6 +127,7 @@ typedef struct { struct sub_bitmap borrowed_sub_part; struct old_osd_planar borrowed_sub_image; + struct osd_bmp_indexed borrowed_bmp; } spudec_handle_t; static void spudec_queue_packet(spudec_handle_t *this, packet_t *packet) @@ -760,6 +761,50 @@ void spudec_get_bitmap(void *this, int w, int h, struct sub_bitmaps *res) } } +void spudec_get_indexed(void *this, struct mp_eosd_res *dim, + struct sub_bitmaps *res) +{ + spudec_handle_t *spu = this; + *res = (struct sub_bitmaps) { .format = SUBBITMAP_INDEXED }; + struct sub_bitmap *part = &spu->borrowed_sub_part; + res->parts = part; + if (spudec_visible(spu)) { + struct osd_bmp_indexed *bmp = &spu->borrowed_bmp; + part->bitmap = bmp; + bmp->bitmap = spu->pal_image; + part->stride = spu->pal_width; + part->w = spu->pal_width; + part->h = spu->pal_height; + double xscale = (double) (dim->w - dim->ml - dim->mr) / spu->orig_frame_width; + double yscale = (double) (dim->h - dim->mt - dim->mb) / spu->orig_frame_height; + part->x = spu->pal_start_col * xscale + dim->ml; + part->y = spu->pal_start_row * yscale + dim->mt; + part->dw = part->w * xscale; + part->dh = part->h * yscale; + res->num_parts = 1; + memset(bmp->palette, 0, sizeof(bmp->palette)); + for (int i = 0; i < 4; ++i) { + int alpha = spu->alpha[i]; + // extend 4 -> 8 bit + alpha |= alpha << 4; + if (spu->custom && (spu->cuspal[i] >> 31) != 0) + alpha = 0; + int color = spu->custom ? spu->cuspal[i] : + spu->global_palette[spu->palette[i]]; + int y = (color >> 16) & 0xff; + int u = (color >> 8) & 0xff; + int v = color & 0xff; + // stolen from some site, likely incorrect + int b = 1.164 * (y - 16) + 2.018 * (u - 128); + int g = 1.164 * (y - 16) - 0.813 * (v - 128) - 0.391 * (u - 128); + int r = 1.164 * (y - 16) + 1.596 * (v - 128); +#define CL(x) FFMAX(FFMIN((x), 255), 0) + bmp->palette[i] = (alpha << 24) | CL(r) | (CL(g) << 8) | (CL(b) << 16); +#undef CL + } + } +} + void spudec_draw(void *this, void (*draw_alpha)(void *ctx, int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride), void *ctx) { spudec_handle_t *spu = this; @@ -1325,6 +1370,14 @@ void *spudec_new_scaled(unsigned int *palette, unsigned int frame_width, unsigne return this; } +void spudec_set_res(void *this, unsigned int frame_width, unsigned int frame_height) +{ + spudec_handle_t *spu = this; + // intentionally do not apply resolution heuristics + spu->orig_frame_width = frame_width; + spu->orig_frame_height = frame_height; +} + void *spudec_new(unsigned int *palette) { return spudec_new_scaled(palette, 0, 0, NULL, 0); |