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RFC 3&4 stage: FFmpeg style aint't my style

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Originally committed as revision 7297 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Guillaume Poirier 2006-12-12 22:32:08 +00:00
parent 04b01de857
commit 9b91c1e265
1 changed files with 237 additions and 237 deletions
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456
libavformat/x11grab.c
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@ -48,273 +48,273 @@
typedef struct typedef struct
{ {
Display *dpy; Display *dpy;
int frame_format; int frame_format;
int frame_size; int frame_size;
int frame_rate; int frame_rate;
int frame_rate_base; int frame_rate_base;
int64_t time_frame; int64_t time_frame;
int height; int height;
int width; int width;
int x_off; int x_off;
int y_off; int y_off;
XImage *image; XImage *image;
int use_shm; int use_shm;
XShmSegmentInfo shminfo; XShmSegmentInfo shminfo;
int mouse_wanted; int mouse_wanted;
} X11Grab; } X11Grab;
static int static int
x11grab_read_header(AVFormatContext *s1, AVFormatParameters *ap) x11grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
{ {
X11Grab *x11grab = s1->priv_data; X11Grab *x11grab = s1->priv_data;
Display *dpy; Display *dpy;
AVStream *st = NULL; AVStream *st = NULL;
int width, height; int width, height;
int frame_rate, frame_rate_base, frame_size; int frame_rate, frame_rate_base, frame_size;
int input_pixfmt; int input_pixfmt;
XImage *image; XImage *image;
int x_off=0; int y_off = 0; int x_off=0; int y_off = 0;
int use_shm; int use_shm;
dpy = XOpenDisplay(NULL); dpy = XOpenDisplay(NULL);
if(!dpy) { if(!dpy) {
goto fail; goto fail;
} }
sscanf(ap->device, "x11:%d,%d", &x_off, &y_off); sscanf(ap->device, "x11:%d,%d", &x_off, &y_off);
av_log(s1, AV_LOG_INFO, "device: %s -> x: %d y: %d width: %d height: %d\n", ap->device, x_off, y_off, ap->width, ap->height); av_log(s1, AV_LOG_INFO, "device: %s -> x: %d y: %d width: %d height: %d\n", ap->device, x_off, y_off, ap->width, ap->height);
if (!ap || ap->width <= 0 || ap->height <= 0 || ap->time_base.den <= 0) { if (!ap || ap->width <= 0 || ap->height <= 0 || ap->time_base.den <= 0) {
av_log(s1, AV_LOG_ERROR, "AVParameters don't have any video size. Use -s.\n"); av_log(s1, AV_LOG_ERROR, "AVParameters don't have any video size. Use -s.\n");
return AVERROR_IO; return AVERROR_IO;
} }
width = ap->width; width = ap->width;
height = ap->height; height = ap->height;
frame_rate = ap->time_base.den; frame_rate = ap->time_base.den;
frame_rate_base = ap->time_base.num; frame_rate_base = ap->time_base.num;
st = av_new_stream(s1, 0); st = av_new_stream(s1, 0);
if (!st) { if (!st) {
return -ENOMEM; return -ENOMEM;
} }
av_set_pts_info(st, 64, 1, 1000000); /* 64 bits pts in us */ av_set_pts_info(st, 64, 1, 1000000); /* 64 bits pts in us */
use_shm = XShmQueryExtension(dpy); use_shm = XShmQueryExtension(dpy);
av_log(s1, AV_LOG_INFO, "shared memory extension %s\n", use_shm ? "found" : "not found"); av_log(s1, AV_LOG_INFO, "shared memory extension %s\n", use_shm ? "found" : "not found");
if(use_shm) { if(use_shm) {
int scr = XDefaultScreen(dpy); int scr = XDefaultScreen(dpy);
image = XShmCreateImage(dpy, image = XShmCreateImage(dpy,
DefaultVisual(dpy, scr), DefaultVisual(dpy, scr),
DefaultDepth(dpy, scr), DefaultDepth(dpy, scr),
ZPixmap, ZPixmap,
NULL, NULL,
&x11grab->shminfo, &x11grab->shminfo,
ap->width, ap->height); ap->width, ap->height);
x11grab->shminfo.shmid = shmget(IPC_PRIVATE, x11grab->shminfo.shmid = shmget(IPC_PRIVATE,
image->bytes_per_line * image->height, image->bytes_per_line * image->height,
IPC_CREAT|0777); IPC_CREAT|0777);
if (x11grab->shminfo.shmid == -1) { if (x11grab->shminfo.shmid == -1) {
av_log(s1, AV_LOG_ERROR, "Fatal: Can't get shared memory!\n"); av_log(s1, AV_LOG_ERROR, "Fatal: Can't get shared memory!\n");
return -ENOMEM; return -ENOMEM;
} }
x11grab->shminfo.shmaddr = image->data = shmat(x11grab->shminfo.shmid, 0, 0); x11grab->shminfo.shmaddr = image->data = shmat(x11grab->shminfo.shmid, 0, 0);
x11grab->shminfo.readOnly = False; x11grab->shminfo.readOnly = False;
if (!XShmAttach(dpy, &x11grab->shminfo)) { if (!XShmAttach(dpy, &x11grab->shminfo)) {
av_log(s1, AV_LOG_ERROR, "Fatal: Failed to attach shared memory!\n"); av_log(s1, AV_LOG_ERROR, "Fatal: Failed to attach shared memory!\n");
/* needs some better error subroutine :) */ /* needs some better error subroutine :) */
return AVERROR_IO; return AVERROR_IO;
} }
} else { } else {
image = XGetImage(dpy, RootWindow(dpy, DefaultScreen(dpy)), image = XGetImage(dpy, RootWindow(dpy, DefaultScreen(dpy)),
x_off,y_off, x_off,y_off,
ap->width,ap->height, ap->width,ap->height,
AllPlanes, ZPixmap); AllPlanes, ZPixmap);
} }
switch (image->bits_per_pixel) { switch (image->bits_per_pixel) {
case 8: case 8:
av_log (s1, AV_LOG_DEBUG, "8 bit pallete\n"); av_log (s1, AV_LOG_DEBUG, "8 bit pallete\n");
input_pixfmt = PIX_FMT_PAL8; input_pixfmt = PIX_FMT_PAL8;
break; break;
case 16: case 16:
if ( image->red_mask == 0xF800 && image->green_mask == 0x07E0 if ( image->red_mask == 0xF800 && image->green_mask == 0x07E0
&& image->blue_mask == 0x1F ) { && image->blue_mask == 0x1F ) {
av_log (s1, AV_LOG_DEBUG, "16 bit RGB565\n"); av_log (s1, AV_LOG_DEBUG, "16 bit RGB565\n");
input_pixfmt = PIX_FMT_RGB565; input_pixfmt = PIX_FMT_RGB565;
} else if ( image->red_mask == 0x7C00 && } else if ( image->red_mask == 0x7C00 &&
image->green_mask == 0x03E0 && image->green_mask == 0x03E0 &&
image->blue_mask == 0x1F ) { image->blue_mask == 0x1F ) {
av_log(s1, AV_LOG_DEBUG, "16 bit RGB555\n"); av_log(s1, AV_LOG_DEBUG, "16 bit RGB555\n");
input_pixfmt = PIX_FMT_RGB555; input_pixfmt = PIX_FMT_RGB555;
} else { } else {
av_log(s1, AV_LOG_ERROR, "RGB ordering at image depth %i not supported ... aborting\n", image->bits_per_pixel); av_log(s1, AV_LOG_ERROR, "RGB ordering at image depth %i not supported ... aborting\n", image->bits_per_pixel);
av_log(s1, AV_LOG_ERROR, "color masks: r 0x%.6lx g 0x%.6lx b 0x%.6lx\n", image->red_mask, image->green_mask, image->blue_mask); av_log(s1, AV_LOG_ERROR, "color masks: r 0x%.6lx g 0x%.6lx b 0x%.6lx\n", image->red_mask, image->green_mask, image->blue_mask);
return AVERROR_IO; return AVERROR_IO;
} }
break; break;
case 24: case 24:
if ( image->red_mask == 0xFF0000 && if ( image->red_mask == 0xFF0000 &&
image->green_mask == 0xFF00 image->green_mask == 0xFF00
&& image->blue_mask == 0xFF ) { && image->blue_mask == 0xFF ) {
input_pixfmt = PIX_FMT_BGR24; input_pixfmt = PIX_FMT_BGR24;
} else if ( image->red_mask == 0xFF && image->green_mask == 0xFF00 } else if ( image->red_mask == 0xFF && image->green_mask == 0xFF00
&& image->blue_mask == 0xFF0000 ) { && image->blue_mask == 0xFF0000 ) {
input_pixfmt = PIX_FMT_RGB24; input_pixfmt = PIX_FMT_RGB24;
} else { } else {
av_log(s1, AV_LOG_ERROR,"rgb ordering at image depth %i not supported ... aborting\n", image->bits_per_pixel); av_log(s1, AV_LOG_ERROR,"rgb ordering at image depth %i not supported ... aborting\n", image->bits_per_pixel);
av_log(s1, AV_LOG_ERROR, "color masks: r 0x%.6lx g 0x%.6lx b 0x%.6lx\n", image->red_mask, image->green_mask, image->blue_mask); av_log(s1, AV_LOG_ERROR, "color masks: r 0x%.6lx g 0x%.6lx b 0x%.6lx\n", image->red_mask, image->green_mask, image->blue_mask);
return AVERROR_IO; return AVERROR_IO;
} }
break; break;
case 32: case 32:
#if 0 #if 0
GetColorInfo (image, &c_info); GetColorInfo (image, &c_info);
if ( c_info.alpha_mask == 0xFF000000 && image->green_mask == 0xFF00 ) { if ( c_info.alpha_mask == 0xFF000000 && image->green_mask == 0xFF00 ) {
/* byte order is relevant here, not endianness /* byte order is relevant here, not endianness
* endianness is handled by avcodec, but atm no such thing * endianness is handled by avcodec, but atm no such thing
* as having ABGR, instead of ARGB in a word. Since we * as having ABGR, instead of ARGB in a word. Since we
* need this for Solaris/SPARC, but need to do the conversion * need this for Solaris/SPARC, but need to do the conversion
* for every frame we do it outside of this loop, cf. below * for every frame we do it outside of this loop, cf. below
* this matches both ARGB32 and ABGR32 */ * this matches both ARGB32 and ABGR32 */
input_pixfmt = PIX_FMT_ARGB32; input_pixfmt = PIX_FMT_ARGB32;
} else { } else {
av_log(s1, AV_LOG_ERROR,"image depth %i not supported ... aborting\n", image->bits_per_pixel); av_log(s1, AV_LOG_ERROR,"image depth %i not supported ... aborting\n", image->bits_per_pixel);
return AVERROR_IO; return AVERROR_IO;
} }
#endif #endif
input_pixfmt = PIX_FMT_RGBA32; input_pixfmt = PIX_FMT_RGBA32;
break; break;
default: default:
av_log(s1, AV_LOG_ERROR, "image depth %i not supported ... aborting\n", image->bits_per_pixel); av_log(s1, AV_LOG_ERROR, "image depth %i not supported ... aborting\n", image->bits_per_pixel);
return -1; return -1;
} }
frame_size = width * height * image->bits_per_pixel/8; frame_size = width * height * image->bits_per_pixel/8;
x11grab->frame_size = frame_size; x11grab->frame_size = frame_size;
x11grab->dpy = dpy; x11grab->dpy = dpy;
x11grab->width = ap->width; x11grab->width = ap->width;
x11grab->height = ap->height; x11grab->height = ap->height;
x11grab->frame_rate = frame_rate; x11grab->frame_rate = frame_rate;
x11grab->frame_rate_base = frame_rate_base; x11grab->frame_rate_base = frame_rate_base;
x11grab->time_frame = av_gettime() * frame_rate / frame_rate_base; x11grab->time_frame = av_gettime() * frame_rate / frame_rate_base;
x11grab->x_off = x_off; x11grab->x_off = x_off;
x11grab->y_off = y_off; x11grab->y_off = y_off;
x11grab->image = image; x11grab->image = image;
x11grab->use_shm = use_shm; x11grab->use_shm = use_shm;
x11grab->mouse_wanted = 1; x11grab->mouse_wanted = 1;
st->codec->codec_type = CODEC_TYPE_VIDEO; st->codec->codec_type = CODEC_TYPE_VIDEO;
st->codec->codec_id = CODEC_ID_RAWVIDEO; st->codec->codec_id = CODEC_ID_RAWVIDEO;
st->codec->width = width; st->codec->width = width;
st->codec->height = height; st->codec->height = height;
st->codec->pix_fmt = input_pixfmt; st->codec->pix_fmt = input_pixfmt;
st->codec->time_base.den = frame_rate; st->codec->time_base.den = frame_rate;
st->codec->time_base.num = frame_rate_base; st->codec->time_base.num = frame_rate_base;
st->codec->bit_rate = frame_size * 1/av_q2d(st->codec->time_base) * 8; st->codec->bit_rate = frame_size * 1/av_q2d(st->codec->time_base) * 8;
return 0; return 0;
fail: fail:
av_free(st); av_free(st);
return AVERROR_IO; return AVERROR_IO;
} }
static void static void
getCurrentPointer(AVFormatContext *s1, X11Grab *s, int *x, int *y) getCurrentPointer(AVFormatContext *s1, X11Grab *s, int *x, int *y)
{ {
Window mrootwindow, childwindow; Window mrootwindow, childwindow;
int dummy; int dummy;
Display *dpy = s->dpy; Display *dpy = s->dpy;
mrootwindow = DefaultRootWindow(dpy); mrootwindow = DefaultRootWindow(dpy);
if (XQueryPointer(dpy, mrootwindow, &mrootwindow, &childwindow, if (XQueryPointer(dpy, mrootwindow, &mrootwindow, &childwindow,
x, y, &dummy, &dummy, (unsigned int*)&dummy)) { x, y, &dummy, &dummy, (unsigned int*)&dummy)) {
} else { } else {
av_log(s1, AV_LOG_INFO, "couldn't find mouse pointer\n"); av_log(s1, AV_LOG_INFO, "couldn't find mouse pointer\n");
*x = -1; *x = -1;
*y = -1; *y = -1;
} }
} }
#define DRAW_CURSOR_TEMPLATE(type_t) \ #define DRAW_CURSOR_TEMPLATE(type_t) \
do { \ do { \
type_t *cursor; \ type_t *cursor; \
int width_cursor; \ int width_cursor; \
uint16_t bm_b, bm_w, mask; \ uint16_t bm_b, bm_w, mask; \
\ \
for (line = 0; line < min(20, (y_off + height) - *y); line++ ) { \ for (line = 0; line < min(20, (y_off + height) - *y); line++ ) { \
if (s->mouse_wanted == 1) { \ if (s->mouse_wanted == 1) { \
bm_b = mousePointerBlack[line]; \ bm_b = mousePointerBlack[line]; \
bm_w = mousePointerWhite[line]; \ bm_w = mousePointerWhite[line]; \
} else { \ } else { \
bm_b = mousePointerWhite[line]; \ bm_b = mousePointerWhite[line]; \
bm_w = mousePointerBlack[line]; \ bm_w = mousePointerBlack[line]; \
} \ } \
mask = ( 0x0001 << 15 ); \ mask = ( 0x0001 << 15 ); \
\ \
for (cursor = (type_t*) im_data, width_cursor = 0; \ for (cursor = (type_t*) im_data, width_cursor = 0; \
((width_cursor + *x) < (width + x_off) && width_cursor < 16); \ ((width_cursor + *x) < (width + x_off) && width_cursor < 16); \
cursor++, width_cursor++) { \ cursor++, width_cursor++) { \
if ( ( bm_b & mask ) > 0 ) { \ if ( ( bm_b & mask ) > 0 ) { \
*cursor &= ((~ image->red_mask) & (~ image->green_mask) & (~image->blue_mask )); \ *cursor &= ((~ image->red_mask) & (~ image->green_mask) & (~image->blue_mask )); \
} else if ( ( bm_w & mask ) > 0 ) { \ } else if ( ( bm_w & mask ) > 0 ) { \
*cursor |= (image->red_mask | image->green_mask | image->blue_mask ); \ *cursor |= (image->red_mask | image->green_mask | image->blue_mask ); \
} \ } \
mask >>= 1; \ mask >>= 1; \
} \ } \
im_data += image->bytes_per_line; \ im_data += image->bytes_per_line; \
} \ } \
} while (0) } while (0)
static void static void
paintMousePointer(AVFormatContext *s1, X11Grab *s, int *x, int *y, XImage *image) paintMousePointer(AVFormatContext *s1, X11Grab *s, int *x, int *y, XImage *image)
{ {
static const uint16_t const mousePointerBlack[] = static const uint16_t const mousePointerBlack[] =
{ {
0, 49152, 40960, 36864, 34816, 0, 49152, 40960, 36864, 34816,
33792, 33280, 33024, 32896, 32832, 33792, 33280, 33024, 32896, 32832,
33728, 37376, 43264, 51456, 1152, 33728, 37376, 43264, 51456, 1152,
1152, 576, 576, 448, 0 1152, 576, 576, 448, 0
}; };
static const uint16_t const mousePointerWhite[] = static const uint16_t const mousePointerWhite[] =
{ {
0, 0, 16384, 24576, 28672, 0, 0, 16384, 24576, 28672,
30720, 31744, 32256, 32512, 32640, 30720, 31744, 32256, 32512, 32640,
31744, 27648, 17920, 1536, 768, 31744, 27648, 17920, 1536, 768,
768, 384, 384, 0, 0 768, 384, 384, 0, 0
}; };
int x_off = s->x_off; int x_off = s->x_off;
int y_off = s->y_off; int y_off = s->y_off;
int width = s->width; int width = s->width;
int height = s->height; int height = s->height;
if ( (*x - x_off) >= 0 && *x < (width + x_off) if ( (*x - x_off) >= 0 && *x < (width + x_off)
&& (*y - y_off) >= 0 && *y < (height + y_off) ) { && (*y - y_off) >= 0 && *y < (height + y_off) ) {
int line; int line;
uint8_t *im_data = (uint8_t*)image->data; uint8_t *im_data = (uint8_t*)image->data;
im_data += (image->bytes_per_line * (*y - y_off)); // shift to right line im_data += (image->bytes_per_line * (*y - y_off)); // shift to right line
im_data += (image->bits_per_pixel / 8 * (*x - x_off)); // shift to right pixel im_data += (image->bits_per_pixel / 8 * (*x - x_off)); // shift to right pixel
switch(image->bits_per_pixel) { switch(image->bits_per_pixel) {
case 32: case 32:
DRAW_CURSOR_TEMPLATE(uint32_t); DRAW_CURSOR_TEMPLATE(uint32_t);
break; break;
case 16: case 16:
DRAW_CURSOR_TEMPLATE(uint16_t); DRAW_CURSOR_TEMPLATE(uint16_t);
break; break;
default: default:
/* XXX: How do we deal with 24bit and 8bit modes ? */ /* XXX: How do we deal with 24bit and 8bit modes ? */
break; break;
} }
} }
} }