diff options
Diffstat (limited to 'video/out/vo_xv.c')
| -rw-r--r-- | video/out/vo_xv.c | 921 |
1 files changed, 921 insertions, 0 deletions
diff --git a/video/out/vo_xv.c b/video/out/vo_xv.c new file mode 100644 index 0000000..6c776c5 --- /dev/null +++ b/video/out/vo_xv.c @@ -0,0 +1,921 @@ +/* + * X11 Xv interface + * + * This file is part of mpv. + * + * mpv 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. + * + * mpv is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with mpv. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <float.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdint.h> +#include <stdbool.h> +#include <errno.h> +#include <X11/Xlib.h> +#include <X11/Xutil.h> + +#include <libavutil/common.h> + +#include <sys/types.h> +#include <sys/ipc.h> +#include <sys/shm.h> +#include <X11/extensions/XShm.h> + +// Note: depends on the inclusion of X11/extensions/XShm.h +#include <X11/extensions/Xv.h> +#include <X11/extensions/Xvlib.h> + +#include "options/options.h" +#include "mpv_talloc.h" +#include "common/msg.h" +#include "vo.h" +#include "video/mp_image.h" +#include "present_sync.h" +#include "x11_common.h" +#include "sub/osd.h" +#include "sub/draw_bmp.h" +#include "video/csputils.h" +#include "options/m_option.h" +#include "input/input.h" +#include "osdep/timer.h" + +#define CK_METHOD_NONE 0 // no colorkey drawing +#define CK_METHOD_BACKGROUND 1 // set colorkey as window background +#define CK_METHOD_AUTOPAINT 2 // let xv draw the colorkey +#define CK_METHOD_MANUALFILL 3 // manually draw the colorkey +#define CK_SRC_USE 0 // use specified / default colorkey +#define CK_SRC_SET 1 // use and set specified / default colorkey +#define CK_SRC_CUR 2 // use current colorkey (get it from xv) + +#define MAX_BUFFERS 10 + +struct xvctx { + struct xv_ck_info_s { + int method; // CK_METHOD_* constants + int source; // CK_SRC_* constants + } xv_ck_info; + int colorkey; + unsigned long xv_colorkey; + int xv_port; + int cfg_xv_adaptor; + int cfg_buffers; + XvAdaptorInfo *ai; + XvImageFormatValues *fo; + unsigned int formats, adaptors, xv_format; + int current_buf; + int current_ip_buf; + int num_buffers; + XvImage *xvimage[MAX_BUFFERS]; + struct mp_image *original_image; + uint32_t image_width; + uint32_t image_height; + uint32_t image_format; + int cached_csp; + struct mp_rect src_rect; + struct mp_rect dst_rect; + uint32_t max_width, max_height; // zero means: not set + GC f_gc; // used to paint background + GC vo_gc; // used to paint video + int Shmem_Flag; + XShmSegmentInfo Shminfo[MAX_BUFFERS]; + int Shm_Warned_Slow; +}; + +#define MP_FOURCC(a,b,c,d) ((a) | ((b)<<8) | ((c)<<16) | ((unsigned)(d)<<24)) + +#define MP_FOURCC_YV12 MP_FOURCC('Y', 'V', '1', '2') +#define MP_FOURCC_I420 MP_FOURCC('I', '4', '2', '0') +#define MP_FOURCC_IYUV MP_FOURCC('I', 'Y', 'U', 'V') +#define MP_FOURCC_UYVY MP_FOURCC('U', 'Y', 'V', 'Y') + +struct fmt_entry { + int imgfmt; + int fourcc; +}; +static const struct fmt_entry fmt_table[] = { + {IMGFMT_420P, MP_FOURCC_YV12}, + {IMGFMT_420P, MP_FOURCC_I420}, + {IMGFMT_UYVY, MP_FOURCC_UYVY}, + {0} +}; + +static bool allocate_xvimage(struct vo *, int); +static void deallocate_xvimage(struct vo *vo, int foo); +static struct mp_image get_xv_buffer(struct vo *vo, int buf_index); + +static int find_xv_format(int imgfmt) +{ + for (int n = 0; fmt_table[n].imgfmt; n++) { + if (fmt_table[n].imgfmt == imgfmt) + return fmt_table[n].fourcc; + } + return 0; +} + +static int xv_find_atom(struct vo *vo, uint32_t xv_port, const char *name, + bool get, int *min, int *max) +{ + Atom atom = None; + int howmany = 0; + XvAttribute *attributes = XvQueryPortAttributes(vo->x11->display, xv_port, + &howmany); + for (int i = 0; i < howmany && attributes; i++) { + int flag = get ? XvGettable : XvSettable; + if (attributes[i].flags & flag) { + atom = XInternAtom(vo->x11->display, attributes[i].name, True); + *min = attributes[i].min_value; + *max = attributes[i].max_value; +/* since we have SET_DEFAULTS first in our list, we can check if it's available + then trigger it if it's ok so that the other values are at default upon query */ + if (atom != None) { + if (!strcmp(attributes[i].name, "XV_BRIGHTNESS") && + (!strcmp(name, "brightness"))) + break; + else if (!strcmp(attributes[i].name, "XV_CONTRAST") && + (!strcmp(name, "contrast"))) + break; + else if (!strcmp(attributes[i].name, "XV_SATURATION") && + (!strcmp(name, "saturation"))) + break; + else if (!strcmp(attributes[i].name, "XV_HUE") && + (!strcmp(name, "hue"))) + break; + if (!strcmp(attributes[i].name, "XV_RED_INTENSITY") && + (!strcmp(name, "red_intensity"))) + break; + else if (!strcmp(attributes[i].name, "XV_GREEN_INTENSITY") + && (!strcmp(name, "green_intensity"))) + break; + else if (!strcmp(attributes[i].name, "XV_BLUE_INTENSITY") + && (!strcmp(name, "blue_intensity"))) + break; + else if ((!strcmp(attributes[i].name, "XV_ITURBT_709") //NVIDIA + || !strcmp(attributes[i].name, "XV_COLORSPACE")) //ATI + && (!strcmp(name, "bt_709"))) + break; + atom = None; + continue; + } + } + } + XFree(attributes); + return atom; +} + +static int xv_set_eq(struct vo *vo, uint32_t xv_port, const char *name, + int value) +{ + MP_VERBOSE(vo, "xv_set_eq called! (%s, %d)\n", name, value); + + int min, max; + int atom = xv_find_atom(vo, xv_port, name, false, &min, &max); + if (atom != None) { + // -100 -> min + // 0 -> (max+min)/2 + // +100 -> max + int port_value = (value + 100) * (max - min) / 200 + min; + XvSetPortAttribute(vo->x11->display, xv_port, atom, port_value); + return VO_TRUE; + } + return VO_FALSE; +} + +static int xv_get_eq(struct vo *vo, uint32_t xv_port, const char *name, + int *value) +{ + int min, max; + int atom = xv_find_atom(vo, xv_port, name, true, &min, &max); + if (atom != None) { + int port_value = 0; + XvGetPortAttribute(vo->x11->display, xv_port, atom, &port_value); + + *value = (port_value - min) * 200 / (max - min) - 100; + MP_VERBOSE(vo, "xv_get_eq called! (%s, %d)\n", name, *value); + return VO_TRUE; + } + return VO_FALSE; +} + +static Atom xv_intern_atom_if_exists(struct vo *vo, char const *atom_name) +{ + struct xvctx *ctx = vo->priv; + XvAttribute *attributes; + int attrib_count, i; + Atom xv_atom = None; + + attributes = XvQueryPortAttributes(vo->x11->display, ctx->xv_port, + &attrib_count); + if (attributes != NULL) { + for (i = 0; i < attrib_count; ++i) { + if (strcmp(attributes[i].name, atom_name) == 0) { + xv_atom = XInternAtom(vo->x11->display, atom_name, False); + break; + } + } + XFree(attributes); + } + + return xv_atom; +} + +// Try to enable vsync for xv. +// Returns -1 if not available, 0 on failure and 1 on success. +static int xv_enable_vsync(struct vo *vo) +{ + struct xvctx *ctx = vo->priv; + Atom xv_atom = xv_intern_atom_if_exists(vo, "XV_SYNC_TO_VBLANK"); + if (xv_atom == None) + return -1; + return XvSetPortAttribute(vo->x11->display, ctx->xv_port, xv_atom, 1) + == Success; +} + +// Get maximum supported source image dimensions. +// If querying the dimensions fails, don't change *width and *height. +static void xv_get_max_img_dim(struct vo *vo, uint32_t *width, uint32_t *height) +{ + struct xvctx *ctx = vo->priv; + XvEncodingInfo *encodings; + unsigned int num_encodings, idx; + + XvQueryEncodings(vo->x11->display, ctx->xv_port, &num_encodings, &encodings); + + if (encodings) { + for (idx = 0; idx < num_encodings; ++idx) { + if (strcmp(encodings[idx].name, "XV_IMAGE") == 0) { + *width = encodings[idx].width; + *height = encodings[idx].height; + break; + } + } + } + + MP_VERBOSE(vo, "Maximum source image dimensions: %ux%u\n", *width, *height); + + XvFreeEncodingInfo(encodings); +} + +static void xv_print_ck_info(struct vo *vo) +{ + struct xvctx *xv = vo->priv; + + switch (xv->xv_ck_info.method) { + case CK_METHOD_NONE: + MP_VERBOSE(vo, "Drawing no colorkey.\n"); + return; + case CK_METHOD_AUTOPAINT: + MP_VERBOSE(vo, "Colorkey is drawn by Xv.\n"); + break; + case CK_METHOD_MANUALFILL: + MP_VERBOSE(vo, "Drawing colorkey manually.\n"); + break; + case CK_METHOD_BACKGROUND: + MP_VERBOSE(vo, "Colorkey is drawn as window background.\n"); + break; + } + + switch (xv->xv_ck_info.source) { + case CK_SRC_CUR: + MP_VERBOSE(vo, "Using colorkey from Xv (0x%06lx).\n", xv->xv_colorkey); + break; + case CK_SRC_USE: + if (xv->xv_ck_info.method == CK_METHOD_AUTOPAINT) { + MP_VERBOSE(vo, "Ignoring colorkey from mpv (0x%06lx).\n", + xv->xv_colorkey); + } else { + MP_VERBOSE(vo, "Using colorkey from mpv (0x%06lx). Use -colorkey to change.\n", + xv->xv_colorkey); + } + break; + case CK_SRC_SET: + MP_VERBOSE(vo, "Setting and using colorkey from mpv (0x%06lx)." + " Use -colorkey to change.\n", xv->xv_colorkey); + break; + } +} + +/* NOTE: If vo.colorkey has bits set after the first 3 low order bytes + * we don't draw anything as this means it was forced to off. */ +static int xv_init_colorkey(struct vo *vo) +{ + struct xvctx *ctx = vo->priv; + Display *display = vo->x11->display; + Atom xv_atom; + int rez; + + /* check if colorkeying is needed */ + xv_atom = xv_intern_atom_if_exists(vo, "XV_COLORKEY"); + if (xv_atom != None && ctx->xv_ck_info.method != CK_METHOD_NONE) { + if (ctx->xv_ck_info.source == CK_SRC_CUR) { + int colorkey_ret; + + rez = XvGetPortAttribute(display, ctx->xv_port, xv_atom, + &colorkey_ret); + if (rez == Success) + ctx->xv_colorkey = colorkey_ret; + else { + MP_FATAL(vo, "Couldn't get colorkey! " + "Maybe the selected Xv port has no overlay.\n"); + return 0; // error getting colorkey + } + } else { + ctx->xv_colorkey = ctx->colorkey; + + /* check if we have to set the colorkey too */ + if (ctx->xv_ck_info.source == CK_SRC_SET) { + xv_atom = XInternAtom(display, "XV_COLORKEY", False); + + rez = XvSetPortAttribute(display, ctx->xv_port, xv_atom, + ctx->colorkey); + if (rez != Success) { + MP_FATAL(vo, "Couldn't set colorkey!\n"); + return 0; // error setting colorkey + } + } + } + + xv_atom = xv_intern_atom_if_exists(vo, "XV_AUTOPAINT_COLORKEY"); + + /* should we draw the colorkey ourselves or activate autopainting? */ + if (ctx->xv_ck_info.method == CK_METHOD_AUTOPAINT) { + rez = !Success; + + if (xv_atom != None) // autopaint is supported + rez = XvSetPortAttribute(display, ctx->xv_port, xv_atom, 1); + + if (rez != Success) + ctx->xv_ck_info.method = CK_METHOD_MANUALFILL; + } else { + // disable colorkey autopainting if supported + if (xv_atom != None) + XvSetPortAttribute(display, ctx->xv_port, xv_atom, 0); + } + } else { // do no colorkey drawing at all + ctx->xv_ck_info.method = CK_METHOD_NONE; + ctx->colorkey = 0xFF000000; + } + + xv_print_ck_info(vo); + + return 1; +} + +/* Draw the colorkey on the video window. + * + * Draws the colorkey depending on the set method ( colorkey_handling ). + * + * Also draws the black bars ( when the video doesn't fit the display in + * fullscreen ) separately, so they don't overlap with the video area. */ +static void xv_draw_colorkey(struct vo *vo, const struct mp_rect *rc) +{ + struct xvctx *ctx = vo->priv; + struct vo_x11_state *x11 = vo->x11; + if (ctx->xv_ck_info.method == CK_METHOD_MANUALFILL || + ctx->xv_ck_info.method == CK_METHOD_BACKGROUND) + { + if (!ctx->vo_gc) + return; + //less tearing than XClearWindow() + XSetForeground(x11->display, ctx->vo_gc, ctx->xv_colorkey); + XFillRectangle(x11->display, x11->window, ctx->vo_gc, rc->x0, rc->y0, + rc->x1 - rc->x0, rc->y1 - rc->y0); + } +} + +static void read_xv_csp(struct vo *vo) +{ + struct xvctx *ctx = vo->priv; + ctx->cached_csp = 0; + int bt709_enabled; + if (xv_get_eq(vo, ctx->xv_port, "bt_709", &bt709_enabled)) + ctx->cached_csp = bt709_enabled == 100 ? MP_CSP_BT_709 : MP_CSP_BT_601; +} + + +static void fill_rect(struct vo *vo, GC gc, int x0, int y0, int x1, int y1) +{ + struct vo_x11_state *x11 = vo->x11; + + x0 = MPMAX(x0, 0); + y0 = MPMAX(y0, 0); + x1 = MPMIN(x1, vo->dwidth); + y1 = MPMIN(y1, vo->dheight); + + if (x11->window && gc && x1 > x0 && y1 > y0) + XFillRectangle(x11->display, x11->window, gc, x0, y0, x1 - x0, y1 - y0); +} + +// Clear everything outside of rc with the background color +static void vo_x11_clear_background(struct vo *vo, const struct mp_rect *rc) +{ + struct vo_x11_state *x11 = vo->x11; + struct xvctx *ctx = vo->priv; + GC gc = ctx->f_gc; + + int w = vo->dwidth; + int h = vo->dheight; + + fill_rect(vo, gc, 0, 0, w, rc->y0); // top + fill_rect(vo, gc, 0, rc->y1, w, h); // bottom + fill_rect(vo, gc, 0, rc->y0, rc->x0, rc->y1); // left + fill_rect(vo, gc, rc->x1, rc->y0, w, rc->y1); // right + + XFlush(x11->display); +} + +static void resize(struct vo *vo) +{ + struct xvctx *ctx = vo->priv; + + // Can't be used, because the function calculates screen-space coordinates, + // while we need video-space. + struct mp_osd_res unused; + + vo_get_src_dst_rects(vo, &ctx->src_rect, &ctx->dst_rect, &unused); + + vo_x11_clear_background(vo, &ctx->dst_rect); + xv_draw_colorkey(vo, &ctx->dst_rect); + read_xv_csp(vo); + + mp_input_set_mouse_transform(vo->input_ctx, &ctx->dst_rect, &ctx->src_rect); + + vo->want_redraw = true; +} + +/* + * create and map window, + * allocate colors and (shared) memory + */ +static int reconfig(struct vo *vo, struct mp_image_params *params) +{ + struct vo_x11_state *x11 = vo->x11; + struct xvctx *ctx = vo->priv; + int i; + + ctx->image_height = params->h; + ctx->image_width = params->w; + ctx->image_format = params->imgfmt; + + if ((ctx->max_width != 0 && ctx->max_height != 0) + && (ctx->image_width > ctx->max_width + || ctx->image_height > ctx->max_height)) { + MP_ERR(vo, "Source image dimensions are too high: %ux%u (maximum is %ux%u)\n", + ctx->image_width, ctx->image_height, ctx->max_width, + ctx->max_height); + return -1; + } + + /* check image formats */ + ctx->xv_format = 0; + for (i = 0; i < ctx->formats; i++) { + MP_VERBOSE(vo, "Xvideo image format: 0x%x (%4.4s) %s\n", + ctx->fo[i].id, (char *) &ctx->fo[i].id, + (ctx->fo[i].format == XvPacked) ? "packed" : "planar"); + if (ctx->fo[i].id == find_xv_format(ctx->image_format)) + ctx->xv_format = ctx->fo[i].id; + } + if (!ctx->xv_format) + return -1; + + vo_x11_config_vo_window(vo); + + if (!ctx->f_gc && !ctx->vo_gc) { + ctx->f_gc = XCreateGC(x11->display, x11->window, 0, 0); + ctx->vo_gc = XCreateGC(x11->display, x11->window, 0, NULL); + XSetForeground(x11->display, ctx->f_gc, 0); + } + + if (ctx->xv_ck_info.method == CK_METHOD_BACKGROUND) + XSetWindowBackground(x11->display, x11->window, ctx->xv_colorkey); + + MP_VERBOSE(vo, "using Xvideo port %d for hw scaling\n", ctx->xv_port); + + // In case config has been called before + for (i = 0; i < ctx->num_buffers; i++) + deallocate_xvimage(vo, i); + + ctx->num_buffers = ctx->cfg_buffers; + + for (i = 0; i < ctx->num_buffers; i++) { + if (!allocate_xvimage(vo, i)) { + MP_FATAL(vo, "could not allocate Xv image data\n"); + return -1; + } + } + + ctx->current_buf = 0; + ctx->current_ip_buf = 0; + + int is_709 = params->color.space == MP_CSP_BT_709; + xv_set_eq(vo, ctx->xv_port, "bt_709", is_709 * 200 - 100); + read_xv_csp(vo); + + resize(vo); + + return 0; +} + +static bool allocate_xvimage(struct vo *vo, int foo) +{ + struct xvctx *ctx = vo->priv; + struct vo_x11_state *x11 = vo->x11; + // align it for faster OSD rendering (draw_bmp.c swscale usage) + int aligned_w = FFALIGN(ctx->image_width, 32); + // round up the height to next chroma boundary too + int aligned_h = FFALIGN(ctx->image_height, 2); + if (x11->display_is_local && XShmQueryExtension(x11->display)) { + ctx->Shmem_Flag = 1; + x11->ShmCompletionEvent = XShmGetEventBase(x11->display) + + ShmCompletion; + } else { + ctx->Shmem_Flag = 0; + MP_INFO(vo, "Shared memory not supported\nReverting to normal Xv.\n"); + } + if (ctx->Shmem_Flag) { + ctx->xvimage[foo] = + (XvImage *) XvShmCreateImage(x11->display, ctx->xv_port, + ctx->xv_format, NULL, + aligned_w, aligned_h, + &ctx->Shminfo[foo]); + if (!ctx->xvimage[foo]) + return false; + + ctx->Shminfo[foo].shmid = shmget(IPC_PRIVATE, + ctx->xvimage[foo]->data_size, + IPC_CREAT | 0777); + ctx->Shminfo[foo].shmaddr = shmat(ctx->Shminfo[foo].shmid, 0, 0); + if (ctx->Shminfo[foo].shmaddr == (void *)-1) + return false; + ctx->Shminfo[foo].readOnly = False; + + ctx->xvimage[foo]->data = ctx->Shminfo[foo].shmaddr; + XShmAttach(x11->display, &ctx->Shminfo[foo]); + XSync(x11->display, False); + shmctl(ctx->Shminfo[foo].shmid, IPC_RMID, 0); + } else { + ctx->xvimage[foo] = + (XvImage *) XvCreateImage(x11->display, ctx->xv_port, + ctx->xv_format, NULL, aligned_w, + aligned_h); + if (!ctx->xvimage[foo]) + return false; + ctx->xvimage[foo]->data = av_malloc(ctx->xvimage[foo]->data_size); + if (!ctx->xvimage[foo]->data) + return false; + XSync(x11->display, False); + } + + if ((ctx->xvimage[foo]->width < aligned_w) || + (ctx->xvimage[foo]->height < aligned_h)) { + MP_ERR(vo, "Got XvImage with too small size: %ux%u (expected %ux%u)\n", + ctx->xvimage[foo]->width, ctx->xvimage[foo]->height, + aligned_w, ctx->image_height); + return false; + } + + struct mp_image img = get_xv_buffer(vo, foo); + mp_image_set_size(&img, aligned_w, aligned_h); + mp_image_clear(&img, 0, 0, img.w, img.h); + return true; +} + +static void deallocate_xvimage(struct vo *vo, int foo) +{ + struct xvctx *ctx = vo->priv; + if (ctx->Shmem_Flag) { + XShmDetach(vo->x11->display, &ctx->Shminfo[foo]); + shmdt(ctx->Shminfo[foo].shmaddr); + } else { + av_free(ctx->xvimage[foo]->data); + } + if (ctx->xvimage[foo]) + XFree(ctx->xvimage[foo]); + + ctx->xvimage[foo] = NULL; + ctx->Shminfo[foo] = (XShmSegmentInfo){0}; + + XSync(vo->x11->display, False); + return; +} + +static inline void put_xvimage(struct vo *vo, XvImage *xvi) +{ + struct xvctx *ctx = vo->priv; + struct vo_x11_state *x11 = vo->x11; + struct mp_rect *src = &ctx->src_rect; + struct mp_rect *dst = &ctx->dst_rect; + int dw = dst->x1 - dst->x0, dh = dst->y1 - dst->y0; + int sw = src->x1 - src->x0, sh = src->y1 - src->y0; + + if (ctx->Shmem_Flag) { + XvShmPutImage(x11->display, ctx->xv_port, x11->window, ctx->vo_gc, xvi, + src->x0, src->y0, sw, sh, + dst->x0, dst->y0, dw, dh, + True); + x11->ShmCompletionWaitCount++; + } else { + XvPutImage(x11->display, ctx->xv_port, x11->window, ctx->vo_gc, xvi, + src->x0, src->y0, sw, sh, + dst->x0, dst->y0, dw, dh); + } +} + +static struct mp_image get_xv_buffer(struct vo *vo, int buf_index) +{ + struct xvctx *ctx = vo->priv; + XvImage *xv_image = ctx->xvimage[buf_index]; + + struct mp_image img = {0}; + mp_image_set_size(&img, ctx->image_width, ctx->image_height); + mp_image_setfmt(&img, ctx->image_format); + + bool swapuv = ctx->xv_format == MP_FOURCC_YV12; + for (int n = 0; n < img.num_planes; n++) { + int sn = n > 0 && swapuv ? (n == 1 ? 2 : 1) : n; + img.planes[n] = xv_image->data + xv_image->offsets[sn]; + img.stride[n] = xv_image->pitches[sn]; + } + + if (vo->params) { + struct mp_image_params params = *vo->params; + if (ctx->cached_csp) + params.color.space = ctx->cached_csp; + mp_image_set_attributes(&img, ¶ms); + } + + return img; +} + +static void wait_for_completion(struct vo *vo, int max_outstanding) +{ + struct xvctx *ctx = vo->priv; + struct vo_x11_state *x11 = vo->x11; + if (ctx->Shmem_Flag) { + while (x11->ShmCompletionWaitCount > max_outstanding) { + if (!ctx->Shm_Warned_Slow) { + MP_WARN(vo, "X11 can't keep up! Waiting" + " for XShm completion events...\n"); + ctx->Shm_Warned_Slow = 1; + } + mp_sleep_ns(MP_TIME_MS_TO_NS(1)); + vo_x11_check_events(vo); + } + } +} + +static void flip_page(struct vo *vo) +{ + struct xvctx *ctx = vo->priv; + put_xvimage(vo, ctx->xvimage[ctx->current_buf]); + + /* remember the currently visible buffer */ + ctx->current_buf = (ctx->current_buf + 1) % ctx->num_buffers; + + if (!ctx->Shmem_Flag) + XSync(vo->x11->display, False); + + if (vo->x11->use_present) { + vo_x11_present(vo); + present_sync_swap(vo->x11->present); + } +} + +static void get_vsync(struct vo *vo, struct vo_vsync_info *info) +{ + struct vo_x11_state *x11 = vo->x11; + if (x11->use_present) + present_sync_get_info(x11->present, info); +} + +static void draw_frame(struct vo *vo, struct vo_frame *frame) +{ + struct xvctx *ctx = vo->priv; + + wait_for_completion(vo, ctx->num_buffers - 1); + bool render = vo_x11_check_visible(vo); + if (!render) + return; + + struct mp_image xv_buffer = get_xv_buffer(vo, ctx->current_buf); + if (frame->current) { + mp_image_copy(&xv_buffer, frame->current); + } else { + mp_image_clear(&xv_buffer, 0, 0, xv_buffer.w, xv_buffer.h); + } + + struct mp_osd_res res = osd_res_from_image_params(vo->params); + osd_draw_on_image(vo->osd, res, frame->current ? frame->current->pts : 0, 0, &xv_buffer); + + if (frame->current != ctx->original_image) + ctx->original_image = frame->current; +} + +static int query_format(struct vo *vo, int format) +{ + struct xvctx *ctx = vo->priv; + uint32_t i; + + int fourcc = find_xv_format(format); + if (fourcc) { + for (i = 0; i < ctx->formats; i++) { + if (ctx->fo[i].id == fourcc) + return 1; + } + } + return 0; +} + +static void uninit(struct vo *vo) +{ + struct xvctx *ctx = vo->priv; + int i; + + if (ctx->ai) + XvFreeAdaptorInfo(ctx->ai); + ctx->ai = NULL; + if (ctx->fo) { + XFree(ctx->fo); + ctx->fo = NULL; + } + for (i = 0; i < ctx->num_buffers; i++) + deallocate_xvimage(vo, i); + if (ctx->f_gc != None) + XFreeGC(vo->x11->display, ctx->f_gc); + if (ctx->vo_gc != None) + XFreeGC(vo->x11->display, ctx->vo_gc); + // uninit() shouldn't get called unless initialization went past vo_init() + vo_x11_uninit(vo); +} + +static int preinit(struct vo *vo) +{ + XvPortID xv_p; + int busy_ports = 0; + unsigned int i; + struct xvctx *ctx = vo->priv; + int xv_adaptor = ctx->cfg_xv_adaptor; + + if (!vo_x11_init(vo)) + return -1; + + if (!vo_x11_create_vo_window(vo, NULL, "xv")) + goto error; + + struct vo_x11_state *x11 = vo->x11; + + /* check for Xvideo extension */ + unsigned int ver, rel, req, ev, err; + if (Success != XvQueryExtension(x11->display, &ver, &rel, &req, &ev, &err)) { + MP_ERR(vo, "Xv not supported by this X11 version/driver\n"); + goto error; + } + + /* check for Xvideo support */ + if (Success != + XvQueryAdaptors(x11->display, DefaultRootWindow(x11->display), + &ctx->adaptors, &ctx->ai)) { + MP_ERR(vo, "XvQueryAdaptors failed.\n"); + goto error; + } + + /* check adaptors */ + if (ctx->xv_port) { + int port_found; + + for (port_found = 0, i = 0; !port_found && i < ctx->adaptors; i++) { + if ((ctx->ai[i].type & XvInputMask) + && (ctx->ai[i].type & XvImageMask)) { + for (xv_p = ctx->ai[i].base_id; + xv_p < ctx->ai[i].base_id + ctx->ai[i].num_ports; + ++xv_p) { + if (xv_p == ctx->xv_port) { + port_found = 1; + break; + } + } + } + } + if (port_found) { + if (XvGrabPort(x11->display, ctx->xv_port, CurrentTime)) + ctx->xv_port = 0; + } else { + MP_WARN(vo, "Invalid port parameter, overriding with port 0.\n"); + ctx->xv_port = 0; + } + } + + for (i = 0; i < ctx->adaptors && ctx->xv_port == 0; i++) { + /* check if adaptor number has been specified */ + if (xv_adaptor != -1 && xv_adaptor != i) + continue; + + if ((ctx->ai[i].type & XvInputMask) && (ctx->ai[i].type & XvImageMask)) { + for (xv_p = ctx->ai[i].base_id; + xv_p < ctx->ai[i].base_id + ctx->ai[i].num_ports; ++xv_p) + if (!XvGrabPort(x11->display, xv_p, CurrentTime)) { + ctx->xv_port = xv_p; + MP_VERBOSE(vo, "Using Xv Adapter #%d (%s)\n", + i, ctx->ai[i].name); + break; + } else { + MP_WARN(vo, "Could not grab port %i.\n", (int) xv_p); + ++busy_ports; + } + } + } + if (!ctx->xv_port) { + if (busy_ports) + MP_ERR(vo, "Xvideo ports busy.\n"); + else + MP_ERR(vo, "No Xvideo support found.\n"); + goto error; + } + + if (!xv_init_colorkey(vo)) { + goto error; // bail out, colorkey setup failed + } + xv_enable_vsync(vo); + xv_get_max_img_dim(vo, &ctx->max_width, &ctx->max_height); + + ctx->fo = XvListImageFormats(x11->display, ctx->xv_port, + (int *) &ctx->formats); + + MP_WARN(vo, "Warning: this legacy VO has bad quality and performance, " + "and will in particular result in blurry OSD and subtitles. " + "You should fix your graphics drivers, or not force the xv VO.\n"); + return 0; + + error: + uninit(vo); // free resources + return -1; +} + +static int control(struct vo *vo, uint32_t request, void *data) +{ + switch (request) { + case VOCTRL_SET_PANSCAN: + resize(vo); + return VO_TRUE; + } + int events = 0; + int r = vo_x11_control(vo, &events, request, data); + if (events & (VO_EVENT_EXPOSE | VO_EVENT_RESIZE)) + resize(vo); + vo_event(vo, events); + return r; +} + +#define OPT_BASE_STRUCT struct xvctx + +const struct vo_driver video_out_xv = { + .description = "X11/Xv", + .name = "xv", + .preinit = preinit, + .query_format = query_format, + .reconfig = reconfig, + .control = control, + .draw_frame = draw_frame, + .flip_page = flip_page, + .get_vsync = get_vsync, + .wakeup = vo_x11_wakeup, + .wait_events = vo_x11_wait_events, + .uninit = uninit, + .priv_size = sizeof(struct xvctx), + .priv_defaults = &(const struct xvctx) { + .cfg_xv_adaptor = -1, + .xv_ck_info = {CK_METHOD_MANUALFILL, CK_SRC_CUR}, + .colorkey = 0x0000ff00, // default colorkey is green + // (0xff000000 means that colorkey has been disabled) + .cfg_buffers = 2, + }, + .options = (const struct m_option[]) { + {"port", OPT_INT(xv_port), M_RANGE(0, DBL_MAX)}, + {"adaptor", OPT_INT(cfg_xv_adaptor), M_RANGE(-1, DBL_MAX)}, + {"ck", OPT_CHOICE(xv_ck_info.source, + {"use", CK_SRC_USE}, + {"set", CK_SRC_SET}, + {"cur", CK_SRC_CUR})}, + {"ck-method", OPT_CHOICE(xv_ck_info.method, + {"none", CK_METHOD_NONE}, + {"bg", CK_METHOD_BACKGROUND}, + {"man", CK_METHOD_MANUALFILL}, + {"auto", CK_METHOD_AUTOPAINT})}, + {"colorkey", OPT_INT(colorkey)}, + {"buffers", OPT_INT(cfg_buffers), M_RANGE(1, MAX_BUFFERS)}, + {0} + }, + .options_prefix = "xv", +}; |