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Clean up the video output code - remove the final traces of libvo (used by mpeg2dec) and remove unused code-paths from the main decoding loop.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10638 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman 2006-08-17 18:35:11 +00:00
parent f5e78674ff
commit 567cb6e615
3 changed files with 23 additions and 168 deletions
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84
apps/plugins/mpegplayer/mpegplayer.c
View file

@ -1,4 +1,4 @@
/*
/*
* mpegplayer.c - based on mpeg2dec.c
*
* Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org>
@ -45,11 +45,8 @@ struct plugin_api* rb;
#define BUFFER_SIZE (MEM-6)*1024*1024
static mpeg2dec_t * mpeg2dec;
static vo_open_t * output_open = NULL;
static vo_instance_t * output;
static int total_offset = 0;
extern vo_open_t vo_rockbox_open;
/* button definitions */
#if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
#define MPEG_STOP BUTTON_OFF
@ -106,7 +103,6 @@ static bool decode_mpeg2 (uint8_t * current, uint8_t * end)
{
const mpeg2_info_t * info;
mpeg2_state_t state;
vo_setup_result_t setup_result;
mpeg2_buffer (mpeg2dec, current, end);
total_offset += end - current;
@ -121,70 +117,20 @@ static bool decode_mpeg2 (uint8_t * current, uint8_t * end)
case STATE_BUFFER:
return false;
case STATE_SEQUENCE:
/* might set nb fbuf, convert format, stride */
/* might set fbufs */
if (output->setup (output, info->sequence->width,
info->sequence->height,
info->sequence->chroma_width,
info->sequence->chroma_height, &setup_result)) {
//fprintf (stderr, "display setup failed\n");
return false;
}
if (setup_result.convert &&
mpeg2_convert (mpeg2dec, setup_result.convert, NULL)) {
//fprintf (stderr, "color conversion setup failed\n");
return false;
}
if (output->set_fbuf) {
uint8_t * buf[3];
void * id;
mpeg2_custom_fbuf (mpeg2dec, 1);
output->set_fbuf (output, buf, &id);
mpeg2_set_buf (mpeg2dec, buf, id);
output->set_fbuf (output, buf, &id);
mpeg2_set_buf (mpeg2dec, buf, id);
} else if (output->setup_fbuf) {
uint8_t * buf[3];
void * id;
output->setup_fbuf (output, buf, &id);
mpeg2_set_buf (mpeg2dec, buf, id);
output->setup_fbuf (output, buf, &id);
mpeg2_set_buf (mpeg2dec, buf, id);
output->setup_fbuf (output, buf, &id);
mpeg2_set_buf (mpeg2dec, buf, id);
}
mpeg2_skip (mpeg2dec, (output->draw == NULL));
vo_setup(info->sequence->width,
info->sequence->height,
info->sequence->chroma_width,
info->sequence->chroma_height);
mpeg2_skip (mpeg2dec, false);
break;
case STATE_PICTURE:
/* might skip */
/* might set fbuf */
if (output->set_fbuf) {
uint8_t * buf[3];
void * id;
output->set_fbuf (output, buf, &id);
mpeg2_set_buf (mpeg2dec, buf, id);
}
if (output->start_fbuf)
output->start_fbuf (output, info->current_fbuf->buf,
info->current_fbuf->id);
break;
case STATE_SLICE:
case STATE_END:
case STATE_INVALID_END:
/* draw current picture */
/* might free frame buffer */
if (info->display_fbuf) {
if (output->draw)
output->draw (output, info->display_fbuf->buf,
info->display_fbuf->id);
//print_fps (0);
}
if (output->discard && info->discard_fbuf)
output->discard (output, info->discard_fbuf->buf,
info->discard_fbuf->id);
if (info->display_fbuf)
vo_draw_frame(info->display_fbuf->buf);
break;
default:
break;
@ -256,20 +202,6 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
return PLUGIN_ERROR;
}
output_open = vo_rockbox_open;
if (output_open == NULL) {
//fprintf (stderr, "output_open is NULL\n");
return PLUGIN_ERROR;
}
output = output_open ();
if (output == NULL) {
//fprintf (stderr, "Can not open output\n");
return PLUGIN_ERROR;
}
mpeg2dec = mpeg2_init ();
if (mpeg2dec == NULL)

38
apps/plugins/mpegplayer/video_out.h
View file

@ -21,38 +21,6 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
struct mpeg2_sequence_s;
struct mpeg2_convert_init_s;
typedef struct {
int (* convert) (int stage, void * id,
const struct mpeg2_sequence_s * sequence,
int stride, uint32_t accel, void * arg,
struct mpeg2_convert_init_s * result);
} vo_setup_result_t;
typedef struct vo_instance_s vo_instance_t;
struct vo_instance_s {
int (* setup) (vo_instance_t * instance, unsigned int width,
unsigned int height, unsigned int chroma_width,
unsigned int chroma_height, vo_setup_result_t * result);
void (* setup_fbuf) (vo_instance_t * instance, uint8_t ** buf, void ** id);
void (* set_fbuf) (vo_instance_t * instance, uint8_t ** buf, void ** id);
void (* start_fbuf) (vo_instance_t * instance,
uint8_t * const * buf, void * id);
void (* draw) (vo_instance_t * instance, uint8_t * const * buf, void * id);
void (* discard) (vo_instance_t * instance,
uint8_t * const * buf, void * id);
void (* close) (vo_instance_t * instance);
};
typedef vo_instance_t * vo_open_t (void);
typedef struct {
char * name;
vo_open_t * open;
} vo_driver_t;
void vo_accel (uint32_t accel);
/* return NULL terminated array of all drivers */
vo_driver_t const * vo_drivers (void);
void vo_draw_frame (uint8_t * const * buf);
void vo_setup (unsigned int width, unsigned int height,
unsigned int chroma_width, unsigned int chroma_height);

69
apps/plugins/mpegplayer/video_out_rockbox.c
View file

@ -45,8 +45,7 @@ static int output_y;
static int output_width;
static int output_height;
#if (LCD_DEPTH == 16) && \
((LCD_PIXELFORMAT == RGB565) || (LCD_PIXELFORMAT == RGB565SWAPPED))
#ifdef SIMULATOR
#define RYFAC (31*257)
#define GYFAC (63*257)
@ -59,9 +58,9 @@ static int output_height;
#define ROUNDOFFS (127*257)
/* Draw a partial YUV colour bitmap - taken from the Rockbox JPEG viewer */
void yuv_bitmap_part(unsigned char * const src[3],
int src_x, int src_y, int stride,
int x, int y, int width, int height)
static void yuv_bitmap_part(unsigned char * const src[3],
int src_x, int src_y, int stride,
int x, int y, int width, int height)
{
fb_data *dst, *dst_end;
@ -190,25 +189,20 @@ void yuv_bitmap_part(unsigned char * const src[3],
}
#endif
static void rockbox_draw_frame (vo_instance_t * instance,
uint8_t * const * buf, void * id)
void vo_draw_frame (uint8_t * const * buf)
{
char str[80];
static int frame=0;
int ticks,fps;
(void)id;
(void)instance;
#if defined(HAVE_LCD_COLOR) && !defined(SIMULATOR)
rb->lcd_yuv_blit(buf,
0,0,image_width,
output_x,output_y,output_width,output_height);
#elif (LCD_DEPTH == 16) && \
((LCD_PIXELFORMAT == RGB565) || (LCD_PIXELFORMAT == RGB565SWAPPED))
#ifdef SIMULATOR
yuv_bitmap_part(buf,0,0,image_width,
output_x,output_y,output_width,output_height);
rb->lcd_update_rect(output_x,output_y,output_width,output_height);
#else
rb->lcd_yuv_blit(buf,
0,0,image_width,
output_x,output_y,output_width,output_height);
#endif
if (starttick==0) {
@ -230,41 +224,9 @@ static void rockbox_draw_frame (vo_instance_t * instance,
frame++;
}
vo_instance_t static_instance;
static vo_instance_t * internal_open (int setup (vo_instance_t *, unsigned int,
unsigned int, unsigned int,
unsigned int,
vo_setup_result_t *),
void draw (vo_instance_t *,
uint8_t * const *, void *))
void vo_setup(unsigned int width, unsigned int height,
unsigned int chroma_width, unsigned int chroma_height)
{
vo_instance_t * instance;
instance = (vo_instance_t *) &static_instance;
if (instance == NULL)
return NULL;
instance->setup = setup;
instance->setup_fbuf = NULL;
instance->set_fbuf = NULL;
instance->start_fbuf = NULL;
instance->draw = draw;
instance->discard = NULL;
//instance->close = (void (*) (vo_instance_t *)) free;
return instance;
}
static int rockbox_setup (vo_instance_t * instance, unsigned int width,
unsigned int height, unsigned int chroma_width,
unsigned int chroma_height,
vo_setup_result_t * result)
{
(void)instance;
result->convert = NULL;
image_width=width;
image_height=height;
image_chroma_x=image_width/chroma_width;
@ -285,11 +247,4 @@ static int rockbox_setup (vo_instance_t * instance, unsigned int width,
output_height = image_height;
output_y = (LCD_HEIGHT-image_height)/2;
}
return 0;
}
vo_instance_t * vo_rockbox_open (void)
{
return internal_open (rockbox_setup, rockbox_draw_frame);
}