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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-02-20 21:16:24 +00:00
eglglessink: Add support for I420 and YV12 color formats
This commit is contained in:
Sebastian Dröge
parent
d3995c1a7b
commit
72d05a681f
2 changed files with 95 additions and 24 deletions
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@ -180,6 +180,26 @@ static const char *frag_AYUV_prog = {
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" gl_FragColor=vec4(r,g,b,1.0);"
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"}"
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};
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static const char *frag_I420_YV12_prog = {
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"precision mediump float;"
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"varying vec2 opos;"
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"uniform sampler2D Ytex,Utex,Vtex;"
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"void main(void) {"
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" float r,g,b,y,u,v;"
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" vec2 nxy = opos.xy;"
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" y=texture2D(Ytex,nxy).r;"
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" u=texture2D(Utex,nxy).r;"
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" v=texture2D(Vtex,nxy).r;"
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" y=1.1643*(y-0.0625);"
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" u=u-0.5;"
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" v=v-0.5;"
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" r=y+1.5958*v;"
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" g=y-0.39173*u-0.81290*v;"
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" b=y+2.017*u;"
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" gl_FragColor=vec4(r,g,b,1.0);"
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"}"
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};
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/* *INDENT-ON* */
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/* Input capabilities.
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@ -192,7 +212,7 @@ static GstStaticPadTemplate gst_eglglessink_sink_template_factory =
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_RGBA ";"
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GST_VIDEO_CAPS_RGBx ";"
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GST_VIDEO_CAPS_YUV ("AYUV") ";"
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GST_VIDEO_CAPS_YUV ("{ AYUV, I420, YV12 }") ";"
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GST_VIDEO_CAPS_RGB ";" GST_VIDEO_CAPS_RGB_16));
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/* Filter signals and args */
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@ -826,6 +846,10 @@ gst_eglglessink_fill_supported_fbuffer_configs (GstEglGlesSink * eglglessink)
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gst_video_format_new_template_caps (GST_VIDEO_FORMAT_RGBx));
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gst_caps_append (format->caps,
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gst_video_format_new_template_caps (GST_VIDEO_FORMAT_AYUV));
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gst_caps_append (format->caps,
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gst_video_format_new_template_caps (GST_VIDEO_FORMAT_I420));
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gst_caps_append (format->caps,
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gst_video_format_new_template_caps (GST_VIDEO_FORMAT_YV12));
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eglglessink->supported_fmts =
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g_list_append (eglglessink->supported_fmts, format);
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ret++;
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@ -1236,9 +1260,11 @@ static gboolean
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gst_eglglessink_init_egl_surface (GstEglGlesSink * eglglessink)
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{
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GLint test;
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GLuint verthandle, fraghandle, prog, texlocation;
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GLuint verthandle, fraghandle, prog;
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GLboolean ret;
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GLchar *info_log;
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gint n_textures = 0;
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const gchar *texnames[3] = { NULL, };
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GST_DEBUG_OBJECT (eglglessink, "Enter EGL surface setup");
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@ -1315,12 +1341,24 @@ gst_eglglessink_init_egl_surface (GstEglGlesSink * eglglessink)
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switch (eglglessink->format) {
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case GST_VIDEO_FORMAT_AYUV:
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glShaderSource (fraghandle, 1, &frag_AYUV_prog, NULL);
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n_textures = 1;
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texnames[0] = "tex";
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break;
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case GST_VIDEO_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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glShaderSource (fraghandle, 1, &frag_I420_YV12_prog, NULL);
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n_textures = 3;
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texnames[0] = "Ytex";
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texnames[1] = "Utex";
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texnames[2] = "Vtex";
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break;
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case GST_VIDEO_FORMAT_RGB:
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case GST_VIDEO_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_RGBA:
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case GST_VIDEO_FORMAT_RGB16:
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glShaderSource (fraghandle, 1, &frag_COPY_prog, NULL);
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n_textures = 1;
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texnames[0] = "tex";
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break;
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default:
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g_assert_not_reached ();
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@ -1374,31 +1412,13 @@ gst_eglglessink_init_egl_surface (GstEglGlesSink * eglglessink)
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/* Generate and bind texture */
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if (!eglglessink->have_texture) {
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gint i, n_textures;
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const gchar *texnames[3] = { NULL, };
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gint i;
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GST_INFO_OBJECT (eglglessink, "Doing initial texture setup");
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switch (eglglessink->format) {
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case GST_VIDEO_FORMAT_RGB:
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case GST_VIDEO_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_RGBA:
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case GST_VIDEO_FORMAT_RGB16:
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case GST_VIDEO_FORMAT_AYUV:
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n_textures = 1;
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texnames[0] = "tex";
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break;
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default:
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g_assert_not_reached ();
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break;
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}
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g_mutex_lock (eglglessink->flow_lock);
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for (i = 0; i < n_textures; i++) {
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glGenTextures (1, &eglglessink->texture[i]);
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if (got_gl_error ("glGenTextures"))
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goto HANDLE_ERROR_LOCKED;
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if (i == 0)
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glActiveTexture (GL_TEXTURE0);
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else if (i == 1)
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@ -1406,12 +1426,16 @@ gst_eglglessink_init_egl_surface (GstEglGlesSink * eglglessink)
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else if (i == 2)
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glActiveTexture (GL_TEXTURE2);
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glGenTextures (1, &eglglessink->texture[i]);
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if (got_gl_error ("glGenTextures"))
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goto HANDLE_ERROR_LOCKED;
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glBindTexture (GL_TEXTURE_2D, eglglessink->texture[i]);
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if (got_gl_error ("glBindTexture"))
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goto HANDLE_ERROR_LOCKED;
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texlocation = glGetUniformLocation (prog, texnames[i]);
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glUniform1i (texlocation, 0);
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eglglessink->tex_uniform[i] = glGetUniformLocation (prog, texnames[i]);
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glUniform1i (eglglessink->tex_uniform[i], i);
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/* Set 2D resizing params */
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glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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@ -1637,11 +1661,13 @@ gst_eglglessink_render_and_display (GstEglGlesSink * eglglessink,
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switch (eglglessink->selected_fmt->fmt) {
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case GST_EGLGLESSINK_IMAGE_RGB888:
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glActiveTexture (GL_TEXTURE0);
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glBindTexture (GL_TEXTURE_2D, eglglessink->texture[0]);
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glTexImage2D (GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB,
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GL_UNSIGNED_BYTE, GST_BUFFER_DATA (buf));
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break;
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case GST_EGLGLESSINK_IMAGE_RGB565:
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glActiveTexture (GL_TEXTURE0);
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glBindTexture (GL_TEXTURE_2D, eglglessink->texture[0]);
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glTexImage2D (GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB,
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GL_UNSIGNED_SHORT_5_6_5, GST_BUFFER_DATA (buf));
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break;
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@ -1650,14 +1676,58 @@ gst_eglglessink_render_and_display (GstEglGlesSink * eglglessink,
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case GST_VIDEO_FORMAT_RGBA:
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case GST_VIDEO_FORMAT_RGBx:
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glActiveTexture (GL_TEXTURE0);
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glBindTexture (GL_TEXTURE_2D, eglglessink->texture[0]);
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glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA,
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GL_UNSIGNED_BYTE, GST_BUFFER_DATA (buf));
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break;
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case GST_VIDEO_FORMAT_AYUV:
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glActiveTexture (GL_TEXTURE0);
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glBindTexture (GL_TEXTURE_2D, eglglessink->texture[0]);
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glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA,
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GL_UNSIGNED_BYTE, GST_BUFFER_DATA (buf));
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break;
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case GST_VIDEO_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:{
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gint coffset, cw, ch;
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coffset =
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gst_video_format_get_component_offset (eglglessink->format, 0,
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w, h);
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cw = gst_video_format_get_component_width (eglglessink->format, 0,
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w);
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ch = gst_video_format_get_component_height (eglglessink->format,
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0, h);
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glActiveTexture (GL_TEXTURE0);
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glBindTexture (GL_TEXTURE_2D, eglglessink->texture[0]);
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glTexImage2D (GL_TEXTURE_2D, 0, GL_LUMINANCE,
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cw, ch, 0, GL_LUMINANCE,
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GL_UNSIGNED_BYTE, GST_BUFFER_DATA (buf) + coffset);
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coffset =
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gst_video_format_get_component_offset (eglglessink->format, 1,
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w, h);
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cw = gst_video_format_get_component_width (eglglessink->format, 1,
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w);
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ch = gst_video_format_get_component_height (eglglessink->format,
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1, h);
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glActiveTexture (GL_TEXTURE1);
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glBindTexture (GL_TEXTURE_2D, eglglessink->texture[1]);
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glTexImage2D (GL_TEXTURE_2D, 0, GL_LUMINANCE,
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cw, ch, 0, GL_LUMINANCE,
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GL_UNSIGNED_BYTE, GST_BUFFER_DATA (buf) + coffset);
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coffset =
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gst_video_format_get_component_offset (eglglessink->format, 2,
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w, h);
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cw = gst_video_format_get_component_width (eglglessink->format, 2,
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w);
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ch = gst_video_format_get_component_height (eglglessink->format,
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2, h);
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glActiveTexture (GL_TEXTURE2);
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glBindTexture (GL_TEXTURE_2D, eglglessink->texture[2]);
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glTexImage2D (GL_TEXTURE_2D, 0, GL_LUMINANCE,
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cw, ch, 0, GL_LUMINANCE,
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GL_UNSIGNED_BYTE, GST_BUFFER_DATA (buf) + coffset);
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break;
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}
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default:
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g_assert_not_reached ();
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break;
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@ -144,7 +144,7 @@ struct _GstEglGlesSink
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EGLNativeWindowType window;
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EGLSurface surface;
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GLuint texture[1];
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GLuint texture[3];
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gboolean have_window;
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gboolean have_surface;;
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@ -157,6 +157,7 @@ struct _GstEglGlesSink
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/* shader vars */
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GLuint coord_pos, tex_pos;
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GLuint tex_uniform[3];
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coord3 coordarray[4];
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coord2 texarray[4];
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unsigned short indexarray[4];
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