mirror of https://github.com/mpv-player/mpv
Palette support for SPU decoder.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3167 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
parent
ef06bfd49d
commit
9a7a6b49eb
12
mplayer.c
12
mplayer.c
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@ -773,18 +773,18 @@ play_next_file:
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current_module="spudec";
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vo_spudec=spudec_new();
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if (vo_spudec!=NULL)
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inited_flags|=INITED_SPUDEC;
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current_module=NULL;
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current_module="open_stream";
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stream=open_stream(filename,vcd_track,&file_format);
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if(!stream) goto goto_next_file;// exit_player(MSGTR_Exit_error); // error...
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inited_flags|=INITED_STREAM;
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stream->start_pos+=seek_to_byte;
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current_module="spudec";
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vo_spudec=spudec_new(stream->priv);
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if (vo_spudec!=NULL)
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inited_flags|=INITED_SPUDEC;
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current_module=NULL;
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if(stream_cache_size) stream_enable_cache(stream,stream_cache_size*1024);
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use_stdin=filename && (!strcmp(filename,"-"));
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78
spudec.c
78
spudec.c
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@ -5,7 +5,7 @@
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Kim Minh Kaplan
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implement fragments reassembly, RLE decoding.
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image rendering needs to be corrected (see mkcolor & mkalpha).
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read brightness from the IFO.
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For information on SPU format see <URL:http://sam.zoy.org/doc/dvd/subtitles/>
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@ -17,6 +17,7 @@
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#include "spudec.h"
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typedef struct {
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dvd_priv_t *dvd_info; /* Info from libmpdemux */
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unsigned char* packet;
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size_t packet_reserve; /* size of the memory pointed to by packet */
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int packet_offset; /* end of the currently assembled fragment */
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@ -74,51 +75,35 @@ static inline unsigned char get_nibble(spudec_handle_t *this)
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static inline int mkalpha(int i)
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{
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/* for VO 0 is transparent
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127 is quite dark, but still...
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255 is transparent with color 0, and hum... funny with other colors...
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FIXME, I can't seem to get a good alpha value!
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i is the value read from SPU, from 0 to 15. The function should
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return the corresponding alpha value suitable for libvo's
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draw_alpha. */
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#if 0
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return (0xf - (i & 0xf)) << 4;
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#else
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return (i < 8) ? 127 : 0;
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#endif
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}
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static inline int mkcolor(int i)
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{
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/* FIXME, have to get the colormap's RGB values from the IFO */
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#if 0
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/* In mplayer's alpha planes, 0 is transparent, then 1 is nearly
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opaque upto 255 which is transparent */
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switch (i) {
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case 15: return 0;
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default: return i << 4;
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case 0xf:
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return 1;
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case 0:
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return 0;
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default:
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return (0xf - i) << 4;
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}
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#else
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return i << 4;
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#endif
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}
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static void spudec_process_data(spudec_handle_t *this)
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{
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int alpha[4] = {
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mkalpha(this->alpha[0]),
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mkalpha(this->alpha[1]),
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mkalpha(this->alpha[2]),
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mkalpha(this->alpha[3])
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};
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int cmap[4] = {
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mkcolor(this->palette[0]),
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mkcolor(this->palette[1]),
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mkcolor(this->palette[2]),
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mkcolor(this->palette[3])
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};
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int cmap[4], alpha[4];
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int i;
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int y = 0, x = 0;
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for (i = 0; i < 4; ++i) {
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alpha[i] = mkalpha(this->alpha[i]);
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if (alpha[i] == 0)
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cmap[i] = 0;
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else {
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cmap[i] = ((this->dvd_info->vts_file->vts_pgcit->pgci_srp[0].pgc->palette[this->palette[i]] >> 16) & 0xff) - alpha[i];
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if (cmap[i] < 0)
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cmap[i] = 0;
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}
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}
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if (this->image_size < this->width * this->height) {
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if (this->image != NULL)
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free(this->image);
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@ -130,7 +115,8 @@ static void spudec_process_data(spudec_handle_t *this)
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}
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if (this->image == NULL)
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return;
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while (this->current_nibble[0] / 2 < this->control_start
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i = this->current_nibble[1];
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while (this->current_nibble[0] < i
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&& this->current_nibble[1] / 2 < this->control_start
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&& y < this->height) {
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int len, color;
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@ -147,17 +133,13 @@ static void spudec_process_data(spudec_handle_t *this)
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}
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}
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}
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color = rle & 0x3;
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color = 3 - (rle & 0x3);
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len = rle >> 2;
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if (len > this->width - x)
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len = this->width - x;
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/* FIXME have to use palette and alpha map*/
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memset(this->image + y * this->width + x, cmap[color], len);
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if (alpha[color] < cmap[color]) {
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memset(this->aimage + y * this->width + x, 1, len);
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} else {
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memset(this->aimage + y * this->width + x, alpha[color] - cmap[color], len);
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}
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memset(this->aimage + y * this->width + x, alpha[color], len);
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x += len;
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if (x >= this->width) {
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next_line(this);
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@ -229,7 +211,7 @@ static void spudec_process_control(spudec_handle_t *this)
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this->width = this->end_col - this->start_col + 1;
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this->start_row = b >> 12;
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this->end_row = b & 0xfff;
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this->height = this->end_row - this->start_row + 1;
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this->height = this->end_row - this->start_row /* + 1 */;
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printf("Coords col: %d - %d row: %d - %d (%dx%d)\n",
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this->start_col, this->end_col, this->start_row, this->end_row,
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this->width, this->height);
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@ -313,11 +295,11 @@ void spudec_draw(void *this, void (*draw_alpha)(int x0,int y0, int w,int h, unsi
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spu->image, spu->aimage, spu->width);
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}
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void *spudec_new()
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void *spudec_new(dvd_priv_t *dvd_info)
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{
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spudec_handle_t *this = calloc(1, sizeof(spudec_handle_t));
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if (this) {
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;
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this->dvd_info = dvd_info;
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}
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else
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perror("FATAL: spudec_init: calloc");
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4
spudec.h
4
spudec.h
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@ -1,10 +1,12 @@
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#ifndef _MPLAYER_SPUDEC_H
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#define _MPLAYER_SPUDEC_H
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#include "config.h"
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#include "stream.h"
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void spudec_heartbeat(void *this, int pts100);
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void spudec_assemble(void *this, unsigned char *packet, int len, int pts100);
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void spudec_draw(void *this, void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride));
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void *spudec_new();
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void *spudec_new(dvd_priv_t *dvd_info);
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void spudec_free(void *this);
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#endif
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