1 files changed, 401 insertions, 0 deletions

diff --git a/video/out/vo_corevideo.c b/video/out/vo_corevideo.c
new file mode 100644
index 0000000000..cf89dc78c2
--- /dev/null
+++ b/video/out/vo_corevideo.c
@@ -0,0 +1,401 @@
+/*
+ * CoreVideo video output driver
+ * Copyright (c) 2005 Nicolas Plourde <nicolasplourde@gmail.com>
+ *
+ * This file is part of MPlayer.
+ *
+ * MPlayer 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.
+ *
+ * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <QuartzCore/QuartzCore.h>
+#include <assert.h>
+
+#include "talloc.h"
+#include "video/out/vo.h"
+#include "sub/sub.h"
+#include "core/m_option.h"
+
+#include "video/csputils.h"
+#include "video/vfcap.h"
+#include "video/mp_image.h"
+
+#include "gl_common.h"
+#include "gl_osd.h"
+#include "cocoa_common.h"
+
+struct quad {
+    GLfloat lowerLeft[2];
+    GLfloat lowerRight[2];
+    GLfloat upperRight[2];
+    GLfloat upperLeft[2];
+};
+
+struct priv {
+    MPGLContext *mpglctx;
+    OSType pixelFormat;
+    unsigned int image_width;
+    unsigned int image_height;
+    struct mp_csp_details colorspace;
+    struct mp_rect src_rect;
+    struct mp_rect dst_rect;
+    struct mp_osd_res osd_res;
+
+    CVPixelBufferRef pixelBuffer;
+    CVOpenGLTextureCacheRef textureCache;
+    CVOpenGLTextureRef texture;
+    struct quad *quad;
+
+    struct mpgl_osd *osd;
+};
+
+static void resize(struct vo *vo)
+{
+    struct priv *p = vo->priv;
+    GL *gl = p->mpglctx->gl;
+
+    gl->Viewport(0, 0, vo->dwidth, vo->dheight);
+    gl->MatrixMode(GL_MODELVIEW);
+    gl->LoadIdentity();
+    gl->Ortho(0, vo->dwidth, vo->dheight, 0, -1, 1);
+
+    vo_get_src_dst_rects(vo, &p->src_rect, &p->dst_rect, &p->osd_res);
+
+    gl->Clear(GL_COLOR_BUFFER_BIT);
+    vo->want_redraw = true;
+}
+
+static int init_gl(struct vo *vo, uint32_t d_width, uint32_t d_height)
+{
+    struct priv *p = vo->priv;
+    GL *gl = p->mpglctx->gl;
+
+    const char *vendor     = gl->GetString(GL_VENDOR);
+    const char *version    = gl->GetString(GL_VERSION);
+    const char *renderer   = gl->GetString(GL_RENDERER);
+
+    mp_msg(MSGT_VO, MSGL_V, "[vo_corevideo] Running on OpenGL '%s' by '%s',"
+           " version '%s'\n", renderer, vendor, version);
+
+    gl->Disable(GL_BLEND);
+    gl->Disable(GL_DEPTH_TEST);
+    gl->DepthMask(GL_FALSE);
+    gl->Disable(GL_CULL_FACE);
+    gl->Enable(GL_TEXTURE_2D);
+    gl->DrawBuffer(GL_BACK);
+    gl->TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+    if (!p->osd)
+        p->osd = mpgl_osd_init(gl, true);
+
+    resize(vo);
+
+    gl->ClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+    gl->Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    if (gl->SwapInterval)
+        gl->SwapInterval(1);
+    return 1;
+}
+
+static void release_cv_entities(struct vo *vo) {
+    struct priv *p = vo->priv;
+    CVPixelBufferRelease(p->pixelBuffer);
+    p->pixelBuffer = NULL;
+    CVOpenGLTextureRelease(p->texture);
+    p->texture = NULL;
+    CVOpenGLTextureCacheRelease(p->textureCache);
+    p->textureCache = NULL;
+}
+
+static int config(struct vo *vo, uint32_t width, uint32_t height,
+                  uint32_t d_width, uint32_t d_height, uint32_t flags,
+                  uint32_t format)
+{
+    struct priv *p = vo->priv;
+    release_cv_entities(vo);
+    p->image_width = width;
+    p->image_height = height;
+
+    int mpgl_caps = MPGL_CAP_GL_LEGACY;
+    if (!mpgl_config_window(p->mpglctx, mpgl_caps, d_width, d_height, flags))
+        return -1;
+
+    init_gl(vo, vo->dwidth, vo->dheight);
+
+    return 0;
+}
+
+static void prepare_texture(struct vo *vo)
+{
+    struct priv *p = vo->priv;
+    struct quad *q = p->quad;
+    CVReturn error;
+
+    CVOpenGLTextureRelease(p->texture);
+    error = CVOpenGLTextureCacheCreateTextureFromImage(NULL,
+                p->textureCache, p->pixelBuffer, 0, &p->texture);
+    if(error != kCVReturnSuccess)
+        mp_msg(MSGT_VO, MSGL_ERR,"[vo_corevideo] Failed to create OpenGL"
+                                 " texture(%d)\n", error);
+
+    CVOpenGLTextureGetCleanTexCoords(p->texture, q->lowerLeft, q->lowerRight,
+                                                 q->upperRight, q->upperLeft);
+}
+
+// map x/y (in range 0..1) to the video texture, and emit OpenGL vertexes
+static void video_vertex(struct vo *vo, float x, float y)
+{
+    struct priv *p = vo->priv;
+    struct quad *q = p->quad;
+    GL *gl = p->mpglctx->gl;
+
+    double tx0 = q->upperLeft[0];
+    double ty0 = q->upperLeft[1];
+    double tw = q->lowerRight[0] - tx0;
+    double th = q->lowerRight[1] - ty0;
+
+    double sx0 = p->src_rect.x0 / (double)p->image_width;
+    double sy0 = p->src_rect.y0 / (double)p->image_height;
+    double sw = (p->src_rect.x1 - p->src_rect.x0) / (double)p->image_width;
+    double sh = (p->src_rect.y1 - p->src_rect.y0) / (double)p->image_height;
+
+    gl->TexCoord2f(tx0 + (sx0 + x * sw) * tw,
+                   ty0 + (sy0 + y * sh) * th);
+    gl->Vertex2f(p->dst_rect.x1 * x + p->dst_rect.x0 * (1 - x),
+                 p->dst_rect.y1 * y + p->dst_rect.y0 * (1 - y));
+}
+
+static void do_render(struct vo *vo)
+{
+    struct priv *p = vo->priv;
+    GL *gl = p->mpglctx->gl;
+    prepare_texture(vo);
+
+    gl->Enable(CVOpenGLTextureGetTarget(p->texture));
+    gl->BindTexture(
+            CVOpenGLTextureGetTarget(p->texture),
+            CVOpenGLTextureGetName(p->texture));
+
+    gl->Begin(GL_QUADS);
+    video_vertex(vo, 0, 0);
+    video_vertex(vo, 0, 1);
+    video_vertex(vo, 1, 1);
+    video_vertex(vo, 1, 0);
+    gl->End();
+
+    gl->Disable(CVOpenGLTextureGetTarget(p->texture));
+}
+
+static void flip_page(struct vo *vo)
+{
+    struct priv *p = vo->priv;
+    p->mpglctx->swapGlBuffers(p->mpglctx);
+    p->mpglctx->gl->Clear(GL_COLOR_BUFFER_BIT);
+}
+
+static void draw_image(struct vo *vo, mp_image_t *mpi)
+{
+    struct priv *p = vo->priv;
+    CVReturn error;
+
+    if (!p->textureCache || !p->pixelBuffer) {
+        error = CVOpenGLTextureCacheCreate(NULL, 0, vo_cocoa_cgl_context(vo),
+                    vo_cocoa_cgl_pixel_format(vo), 0, &p->textureCache);
+        if(error != kCVReturnSuccess)
+            mp_msg(MSGT_VO, MSGL_ERR,"[vo_corevideo] Failed to create OpenGL"
+                                     " texture Cache(%d)\n", error);
+
+        error = CVPixelBufferCreateWithBytes(NULL, mpi->w, mpi->h,
+                    p->pixelFormat, mpi->planes[0], mpi->stride[0],
+                    NULL, NULL, NULL, &p->pixelBuffer);
+        if(error != kCVReturnSuccess)
+            mp_msg(MSGT_VO, MSGL_ERR,"[vo_corevideo] Failed to create Pixel"
+                                     "Buffer(%d)\n", error);
+    }
+
+    do_render(vo);
+}
+
+static int query_format(struct vo *vo, uint32_t format)
+{
+    struct priv *p = vo->priv;
+    const int flags = VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW;
+    switch (format) {
+        case IMGFMT_YUYV:
+            p->pixelFormat = kYUVSPixelFormat;
+            return flags;
+
+        case IMGFMT_RGB24:
+            p->pixelFormat = k24RGBPixelFormat;
+            return flags;
+
+        case IMGFMT_ARGB:
+            p->pixelFormat = k32ARGBPixelFormat;
+            return flags;
+
+        case IMGFMT_BGRA:
+            p->pixelFormat = k32BGRAPixelFormat;
+            return flags;
+    }
+    return 0;
+}
+
+static void uninit(struct vo *vo)
+{
+    struct priv *p = vo->priv;
+    if (p->osd)
+        mpgl_osd_destroy(p->osd);
+    release_cv_entities(vo);
+    mpgl_uninit(p->mpglctx);
+}
+
+
+static int preinit(struct vo *vo)
+{
+    struct priv *p = vo->priv;
+
+    *p = (struct priv) {
+        .mpglctx = mpgl_init(vo, "cocoa"),
+        .colorspace = MP_CSP_DETAILS_DEFAULTS,
+        .quad = talloc_ptrtype(p, p->quad),
+    };
+
+    return 0;
+}
+
+static void draw_osd(struct vo *vo, struct osd_state *osd)
+{
+    struct priv *p = vo->priv;
+    assert(p->osd);
+
+    mpgl_osd_draw_legacy(p->osd, osd, p->osd_res);
+}
+
+static CFStringRef get_cv_csp_matrix(struct vo *vo)
+{
+    struct priv *p = vo->priv;
+    switch (p->colorspace.format) {
+        case MP_CSP_BT_601:
+            return kCVImageBufferYCbCrMatrix_ITU_R_601_4;
+        case MP_CSP_BT_709:
+            return kCVImageBufferYCbCrMatrix_ITU_R_709_2;
+        case MP_CSP_SMPTE_240M:
+            return kCVImageBufferYCbCrMatrix_SMPTE_240M_1995;
+        default:
+            return kCVImageBufferYCbCrMatrix_ITU_R_601_4;
+    }
+}
+
+static void set_yuv_colorspace(struct vo *vo)
+{
+    struct priv *p = vo->priv;
+    CVBufferSetAttachment(p->pixelBuffer,
+                          kCVImageBufferYCbCrMatrixKey, get_cv_csp_matrix(vo),
+                          kCVAttachmentMode_ShouldPropagate);
+    vo->want_redraw = true;
+}
+
+static int get_image_fmt(struct vo *vo)
+{
+    struct priv *p = vo->priv;
+    switch (p->pixelFormat) {
+        case kYUVSPixelFormat:   return IMGFMT_YUYV;
+        case k24RGBPixelFormat:  return IMGFMT_RGB24;
+        case k32ARGBPixelFormat: return IMGFMT_ARGB;
+        case k32BGRAPixelFormat: return IMGFMT_BGRA;
+    }
+    mp_msg(MSGT_VO, MSGL_ERR, "[vo_corevideo] Failed to convert pixel format. "
+        "Please contact the developers. PixelFormat: %d\n", p->pixelFormat);
+    return -1;
+}
+
+static mp_image_t *get_screenshot(struct vo *vo)
+{
+    int img_fmt = get_image_fmt(vo);
+    if (img_fmt < 0) return NULL;
+
+    struct priv *p = vo->priv;
+    void *base = CVPixelBufferGetBaseAddress(p->pixelBuffer);
+
+    size_t width      = CVPixelBufferGetWidth(p->pixelBuffer);
+    size_t height     = CVPixelBufferGetHeight(p->pixelBuffer);
+    size_t stride     = CVPixelBufferGetBytesPerRow(p->pixelBuffer);
+
+    struct mp_image img = {0};
+    mp_image_setfmt(&img, img_fmt);
+    mp_image_set_size(&img, width, height);
+    img.planes[0] = base;
+    img.stride[0] = stride;
+
+    struct mp_image *image = mp_image_new_copy(&img);
+    mp_image_set_display_size(image, vo->aspdat.prew, vo->aspdat.preh);
+    mp_image_set_colorspace_details(image, &p->colorspace);
+
+    return image;
+}
+
+static int control(struct vo *vo, uint32_t request, void *data)
+{
+    struct priv *p = vo->priv;
+    switch (request) {
+        case VOCTRL_GET_PANSCAN:
+            return VO_TRUE;
+        case VOCTRL_SET_PANSCAN:
+            resize(vo);
+            return VO_TRUE;
+        case VOCTRL_REDRAW_FRAME:
+            do_render(vo);
+            return VO_TRUE;
+        case VOCTRL_SET_YUV_COLORSPACE:
+            p->colorspace.format = ((struct mp_csp_details *)data)->format;
+            set_yuv_colorspace(vo);
+            return VO_TRUE;
+        case VOCTRL_GET_YUV_COLORSPACE:
+            *(struct mp_csp_details *)data = p->colorspace;
+            return VO_TRUE;
+        case VOCTRL_SCREENSHOT: {
+            struct voctrl_screenshot_args *args = data;
+            if (args->full_window)
+                args->out_image = glGetWindowScreenshot(p->mpglctx->gl);
+            else
+                args->out_image = get_screenshot(vo);
+            return VO_TRUE;
+        }
+    }
+
+    int events = 0;
+    int r = p->mpglctx->vo_control(vo, &events, request, data);
+    if (events & VO_EVENT_RESIZE)
+        resize(vo);
+
+    return r;
+}
+
+const struct vo_driver video_out_corevideo = {
+    .info = &(const vo_info_t) {
+        "Mac OS X Core Video",
+        "corevideo",
+        "Nicolas Plourde <nicolas.plourde@gmail.com> and others",
+        ""
+    },
+    .preinit = preinit,
+    .query_format = query_format,
+    .config = config,
+    .control = control,
+    .draw_image = draw_image,
+    .draw_osd = draw_osd,
+    .flip_page = flip_page,
+    .uninit = uninit,
+    .priv_size = sizeof(struct priv),
+};