2acc0ac542
later. We still need to hunt down snippets used that are not. 1324 modified files... http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
523 lines
12 KiB
C
523 lines
12 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* mpegplayer video output routines
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
#include "mpeg2dec_config.h"
|
|
|
|
#include "plugin.h"
|
|
#include "mpegplayer.h"
|
|
|
|
#define VO_NON_NULL_RECT 0x1
|
|
#define VO_VISIBLE 0x2
|
|
|
|
struct vo_data
|
|
{
|
|
int image_width;
|
|
int image_height;
|
|
int image_chroma_x;
|
|
int image_chroma_y;
|
|
int display_width;
|
|
int display_height;
|
|
int output_x;
|
|
int output_y;
|
|
int output_width;
|
|
int output_height;
|
|
unsigned flags;
|
|
struct vo_rect rc_vid;
|
|
struct vo_rect rc_clip;
|
|
};
|
|
|
|
#ifdef PROC_NEEDS_CACHEALIGN
|
|
/* Cache aligned and padded to avoid clobbering other processors' cacheable
|
|
* data */
|
|
static uint8_t __vo_data[CACHEALIGN_UP(sizeof(struct vo_data))]
|
|
CACHEALIGN_ATTR;
|
|
#define vo (*((struct vo_data *)__vo_data))
|
|
#else
|
|
static struct vo_data vo;
|
|
#endif
|
|
|
|
#if NUM_CORES > 1
|
|
static struct mutex vo_mtx SHAREDBSS_ATTR;
|
|
#endif
|
|
|
|
static inline void video_lock_init(void)
|
|
{
|
|
#if NUM_CORES > 1
|
|
rb->mutex_init(&vo_mtx);
|
|
#endif
|
|
}
|
|
|
|
static inline void video_lock(void)
|
|
{
|
|
#if NUM_CORES > 1
|
|
rb->mutex_lock(&vo_mtx);
|
|
#endif
|
|
}
|
|
|
|
static inline void video_unlock(void)
|
|
{
|
|
#if NUM_CORES > 1
|
|
rb->mutex_unlock(&vo_mtx);
|
|
#endif
|
|
}
|
|
|
|
|
|
/* Draw a black rectangle if no video frame is available */
|
|
static void vo_draw_black(void)
|
|
{
|
|
int foreground;
|
|
|
|
video_lock();
|
|
|
|
foreground = lcd_(get_foreground)();
|
|
|
|
lcd_(set_foreground)(DRAW_BLACK);
|
|
|
|
lcd_(fillrect)(vo.output_x, vo.output_y, vo.output_width,
|
|
vo.output_height);
|
|
lcd_(update_rect)(vo.output_x, vo.output_y, vo.output_width,
|
|
vo.output_height);
|
|
|
|
lcd_(set_foreground)(foreground);
|
|
|
|
video_unlock();
|
|
}
|
|
|
|
static inline void yuv_blit(uint8_t * const * buf, int src_x, int src_y,
|
|
int stride, int x, int y, int width, int height)
|
|
{
|
|
video_lock();
|
|
|
|
#ifdef HAVE_LCD_COLOR
|
|
rb->lcd_blit_yuv(buf, src_x, src_y, stride, x, y , width, height);
|
|
#else
|
|
grey_ub_gray_bitmap_part(buf[0], src_x, src_y, stride, x, y, width, height);
|
|
#endif
|
|
|
|
video_unlock();
|
|
}
|
|
|
|
void vo_draw_frame(uint8_t * const * buf)
|
|
{
|
|
if (vo.flags == 0)
|
|
{
|
|
/* Frame is hidden - copout */
|
|
DEBUGF("vo hidden\n");
|
|
return;
|
|
}
|
|
else if (buf == NULL)
|
|
{
|
|
/* No frame exists - draw black */
|
|
vo_draw_black();
|
|
DEBUGF("vo no frame\n");
|
|
return;
|
|
}
|
|
|
|
yuv_blit(buf, 0, 0, vo.image_width,
|
|
vo.output_x, vo.output_y, vo.output_width,
|
|
vo.output_height);
|
|
}
|
|
|
|
static inline void vo_rect_clear_inl(struct vo_rect *rc)
|
|
{
|
|
rc->l = rc->t = rc->r = rc->b = 0;
|
|
}
|
|
|
|
static inline bool vo_rect_empty_inl(const struct vo_rect *rc)
|
|
{
|
|
return rc == NULL || rc->l >= rc->r || rc->t >= rc->b;
|
|
}
|
|
|
|
static inline bool vo_rects_intersect_inl(const struct vo_rect *rc1,
|
|
const struct vo_rect *rc2)
|
|
{
|
|
return !vo_rect_empty_inl(rc1) &&
|
|
!vo_rect_empty_inl(rc2) &&
|
|
rc1->l < rc2->r && rc1->r > rc2->l &&
|
|
rc1->t < rc2->b && rc1->b > rc2->t;
|
|
}
|
|
|
|
/* Sets all coordinates of a vo_rect to 0 */
|
|
void vo_rect_clear(struct vo_rect *rc)
|
|
{
|
|
vo_rect_clear_inl(rc);
|
|
}
|
|
|
|
/* Returns true if left >= right or top >= bottom */
|
|
bool vo_rect_empty(const struct vo_rect *rc)
|
|
{
|
|
return vo_rect_empty_inl(rc);
|
|
}
|
|
|
|
/* Initializes a vo_rect using upper-left corner and extents */
|
|
void vo_rect_set_ext(struct vo_rect *rc, int x, int y,
|
|
int width, int height)
|
|
{
|
|
rc->l = x;
|
|
rc->t = y;
|
|
rc->r = x + width;
|
|
rc->b = y + height;
|
|
}
|
|
|
|
/* Query if two rectangles intersect */
|
|
bool vo_rects_intersect(const struct vo_rect *rc1,
|
|
const struct vo_rect *rc2)
|
|
{
|
|
return vo_rects_intersect_inl(rc1, rc2);
|
|
}
|
|
|
|
/* Intersect two rectangles, placing the result in rc_dst */
|
|
bool vo_rect_intersect(struct vo_rect *rc_dst,
|
|
const struct vo_rect *rc1,
|
|
const struct vo_rect *rc2)
|
|
{
|
|
if (rc_dst != NULL)
|
|
{
|
|
if (vo_rects_intersect_inl(rc1, rc2))
|
|
{
|
|
rc_dst->l = MAX(rc1->l, rc2->l);
|
|
rc_dst->r = MIN(rc1->r, rc2->r);
|
|
rc_dst->t = MAX(rc1->t, rc2->t);
|
|
rc_dst->b = MIN(rc1->b, rc2->b);
|
|
return true;
|
|
}
|
|
|
|
vo_rect_clear_inl(rc_dst);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool vo_rect_union(struct vo_rect *rc_dst,
|
|
const struct vo_rect *rc1,
|
|
const struct vo_rect *rc2)
|
|
{
|
|
if (rc_dst != NULL)
|
|
{
|
|
if (!vo_rect_empty_inl(rc1))
|
|
{
|
|
if (!vo_rect_empty_inl(rc2))
|
|
{
|
|
rc_dst->l = MIN(rc1->l, rc2->l);
|
|
rc_dst->t = MIN(rc1->t, rc2->t);
|
|
rc_dst->r = MAX(rc1->r, rc2->r);
|
|
rc_dst->b = MAX(rc1->b, rc2->b);
|
|
}
|
|
else
|
|
{
|
|
*rc_dst = *rc1;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
else if (!vo_rect_empty_inl(rc2))
|
|
{
|
|
*rc_dst = *rc2;
|
|
return true;
|
|
}
|
|
|
|
vo_rect_clear_inl(rc_dst);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void vo_rect_offset(struct vo_rect *rc, int dx, int dy)
|
|
{
|
|
rc->l += dx;
|
|
rc->t += dy;
|
|
rc->r += dx;
|
|
rc->b += dy;
|
|
}
|
|
|
|
/* Shink or stretch each axis - rotate counter-clockwise to retain upright
|
|
* orientation on rotated displays (they rotate clockwise) */
|
|
void stretch_image_plane(const uint8_t * src, uint8_t *dst, int stride,
|
|
int src_w, int src_h, int dst_w, int dst_h)
|
|
{
|
|
uint8_t *dst_end = dst + dst_w*dst_h;
|
|
|
|
#if LCD_WIDTH >= LCD_HEIGHT
|
|
int src_w2 = src_w*2; /* 2x dimensions (for rounding before division) */
|
|
int dst_w2 = dst_w*2;
|
|
int src_h2 = src_h*2;
|
|
int dst_h2 = dst_h*2;
|
|
int qw = src_w2 / dst_w2; /* src-dst width ratio quotient */
|
|
int rw = src_w2 - qw*dst_w2; /* src-dst width ratio remainder */
|
|
int qh = src_h2 / dst_h2; /* src-dst height ratio quotient */
|
|
int rh = src_h2 - qh*dst_h2; /* src-dst height ratio remainder */
|
|
int dw = dst_w; /* Width error accumulator */
|
|
int dh = dst_h; /* Height error accumulator */
|
|
#else
|
|
int src_w2 = src_w*2;
|
|
int dst_w2 = dst_h*2;
|
|
int src_h2 = src_h*2;
|
|
int dst_h2 = dst_w*2;
|
|
int qw = src_h2 / dst_w2;
|
|
int rw = src_h2 - qw*dst_w2;
|
|
int qh = src_w2 / dst_h2;
|
|
int rh = src_w2 - qh*dst_h2;
|
|
int dw = dst_h;
|
|
int dh = dst_w;
|
|
|
|
src += src_w - 1;
|
|
#endif
|
|
|
|
while (1)
|
|
{
|
|
const uint8_t *s = src;
|
|
#if LCD_WIDTH >= LCD_HEIGHT
|
|
uint8_t * const dst_line_end = dst + dst_w;
|
|
#else
|
|
uint8_t * const dst_line_end = dst + dst_h;
|
|
#endif
|
|
while (1)
|
|
{
|
|
*dst++ = *s;
|
|
|
|
if (dst >= dst_line_end)
|
|
{
|
|
dw = dst_w;
|
|
break;
|
|
}
|
|
|
|
#if LCD_WIDTH >= LCD_HEIGHT
|
|
s += qw;
|
|
#else
|
|
s += qw*stride;
|
|
#endif
|
|
dw += rw;
|
|
|
|
if (dw >= dst_w2)
|
|
{
|
|
dw -= dst_w2;
|
|
#if LCD_WIDTH >= LCD_HEIGHT
|
|
s++;
|
|
#else
|
|
s += stride;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
if (dst >= dst_end)
|
|
break;
|
|
#if LCD_WIDTH >= LCD_HEIGHT
|
|
src += qh*stride;
|
|
#else
|
|
src -= qh;
|
|
#endif
|
|
dh += rh;
|
|
|
|
if (dh >= dst_h2)
|
|
{
|
|
dh -= dst_h2;
|
|
#if LCD_WIDTH >= LCD_HEIGHT
|
|
src += stride;
|
|
#else
|
|
src--;
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
bool vo_draw_frame_thumb(uint8_t * const * buf, const struct vo_rect *rc)
|
|
{
|
|
void *mem;
|
|
size_t bufsize;
|
|
uint8_t *yuv[3];
|
|
struct vo_rect thumb_rc;
|
|
int thumb_width, thumb_height;
|
|
int thumb_uv_width, thumb_uv_height;
|
|
|
|
if (buf == NULL)
|
|
return false;
|
|
|
|
/* Obtain rectangle as clipped to the screen */
|
|
vo_rect_set_ext(&thumb_rc, 0, 0, LCD_WIDTH, LCD_HEIGHT);
|
|
if (!vo_rect_intersect(&thumb_rc, rc, &thumb_rc))
|
|
return true;
|
|
|
|
DEBUGF("thumb_rc: %d, %d, %d, %d\n", thumb_rc.l, thumb_rc.t,
|
|
thumb_rc.r, thumb_rc.b);
|
|
|
|
thumb_width = rc->r - rc->l;
|
|
thumb_height = rc->b - rc->t;
|
|
thumb_uv_width = thumb_width / 2;
|
|
thumb_uv_height = thumb_height / 2;
|
|
|
|
DEBUGF("thumb: w: %d h: %d uvw: %d uvh: %d\n", thumb_width,
|
|
thumb_height, thumb_uv_width, thumb_uv_height);
|
|
|
|
/* Use remaining mpeg2 buffer as temp space */
|
|
mem = mpeg2_get_buf(&bufsize);
|
|
|
|
if (bufsize < (size_t)(thumb_width*thumb_height)
|
|
#ifdef HAVE_LCD_COLOR
|
|
+ 2u*(thumb_uv_width * thumb_uv_height)
|
|
#endif
|
|
)
|
|
{
|
|
DEBUGF("thumb: insufficient buffer\n");
|
|
return false;
|
|
}
|
|
|
|
yuv[0] = mem;
|
|
stretch_image_plane(buf[0], yuv[0], vo.image_width,
|
|
vo.display_width, vo.display_height,
|
|
thumb_width, thumb_height);
|
|
|
|
#ifdef HAVE_LCD_COLOR
|
|
yuv[1] = yuv[0] + thumb_width*thumb_height;
|
|
yuv[2] = yuv[1] + thumb_uv_width*thumb_uv_height;
|
|
|
|
stretch_image_plane(buf[1], yuv[1], vo.image_width / 2,
|
|
vo.display_width / 2, vo.display_height / 2,
|
|
thumb_uv_width, thumb_uv_height);
|
|
|
|
stretch_image_plane(buf[2], yuv[2], vo.image_width / 2,
|
|
vo.display_width / 2, vo.display_height / 2,
|
|
thumb_uv_width, thumb_uv_height);
|
|
#endif
|
|
|
|
#if LCD_WIDTH >= LCD_HEIGHT
|
|
yuv_blit(yuv, 0, 0, thumb_width,
|
|
thumb_rc.l, thumb_rc.t,
|
|
thumb_rc.r - thumb_rc.l,
|
|
thumb_rc.b - thumb_rc.t);
|
|
#else
|
|
yuv_blit(yuv, 0, 0, thumb_height,
|
|
thumb_rc.t, thumb_rc.l,
|
|
thumb_rc.b - thumb_rc.t,
|
|
thumb_rc.r - thumb_rc.l);
|
|
#endif /* LCD_WIDTH >= LCD_HEIGHT */
|
|
|
|
return true;
|
|
}
|
|
|
|
void vo_setup(const mpeg2_sequence_t * sequence)
|
|
{
|
|
vo.image_width = sequence->width;
|
|
vo.image_height = sequence->height;
|
|
vo.display_width = sequence->display_width;
|
|
vo.display_height = sequence->display_height;
|
|
|
|
DEBUGF("vo_setup - w:%d h:%d\n", vo.display_width, vo.display_height);
|
|
|
|
vo.image_chroma_x = vo.image_width / sequence->chroma_width;
|
|
vo.image_chroma_y = vo.image_height / sequence->chroma_height;
|
|
|
|
if (sequence->display_width >= SCREEN_WIDTH)
|
|
{
|
|
vo.rc_vid.l = 0;
|
|
vo.rc_vid.r = SCREEN_WIDTH;
|
|
}
|
|
else
|
|
{
|
|
vo.rc_vid.l = (SCREEN_WIDTH - sequence->display_width) / 2;
|
|
#ifdef HAVE_LCD_COLOR
|
|
vo.rc_vid.l &= ~1;
|
|
#endif
|
|
vo.rc_vid.r = vo.rc_vid.l + sequence->display_width;
|
|
}
|
|
|
|
if (sequence->display_height >= SCREEN_HEIGHT)
|
|
{
|
|
vo.rc_vid.t = 0;
|
|
vo.rc_vid.b = SCREEN_HEIGHT;
|
|
}
|
|
else
|
|
{
|
|
vo.rc_vid.t = (SCREEN_HEIGHT - sequence->display_height) / 2;
|
|
#ifdef HAVE_LCD_COLOR
|
|
vo.rc_vid.t &= ~1;
|
|
#endif
|
|
vo.rc_vid.b = vo.rc_vid.t + sequence->display_height;
|
|
}
|
|
|
|
vo_set_clip_rect(&vo.rc_clip);
|
|
}
|
|
|
|
void vo_dimensions(struct vo_ext *sz)
|
|
{
|
|
sz->w = vo.display_width;
|
|
sz->h = vo.display_height;
|
|
}
|
|
|
|
bool vo_init(void)
|
|
{
|
|
vo.flags = 0;
|
|
vo_rect_set_ext(&vo.rc_clip, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
|
|
video_lock_init();
|
|
return true;
|
|
}
|
|
|
|
bool vo_show(bool show)
|
|
{
|
|
bool vis = vo.flags & VO_VISIBLE;
|
|
|
|
if (show)
|
|
vo.flags |= VO_VISIBLE;
|
|
else
|
|
vo.flags &= ~VO_VISIBLE;
|
|
|
|
return vis;
|
|
}
|
|
|
|
bool vo_is_visible(void)
|
|
{
|
|
return vo.flags & VO_VISIBLE;
|
|
}
|
|
|
|
void vo_cleanup(void)
|
|
{
|
|
vo.flags = 0;
|
|
}
|
|
|
|
void vo_set_clip_rect(const struct vo_rect *rc)
|
|
{
|
|
struct vo_rect rc_out;
|
|
|
|
if (rc == NULL)
|
|
vo_rect_set_ext(&vo.rc_clip, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
|
|
else
|
|
vo.rc_clip = *rc;
|
|
|
|
if (!vo_rect_intersect(&rc_out, &vo.rc_vid, &vo.rc_clip))
|
|
vo.flags &= ~VO_NON_NULL_RECT;
|
|
else
|
|
vo.flags |= VO_NON_NULL_RECT;
|
|
|
|
vo.output_x = rc_out.l;
|
|
vo.output_y = rc_out.t;
|
|
vo.output_width = rc_out.r - rc_out.l;
|
|
vo.output_height = rc_out.b - rc_out.t;
|
|
}
|
|
|
|
#if NUM_CORES > 1
|
|
void vo_lock(void)
|
|
{
|
|
video_lock();
|
|
}
|
|
|
|
void vo_unlock(void)
|
|
{
|
|
video_unlock();
|
|
}
|
|
#endif
|