mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-06-16 21:10:37 +00:00
glcolorconvert: add support for v210->planar YUV (and reverse)
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6795>
This commit is contained in:
Matthew Waters
GStreamer Marge Bot
parent
96939db249
commit
8dac641889
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@ -211,7 +211,7 @@ static const struct shader_templ templ_RGB_to_AYUV =
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GST_GL_TEXTURE_TARGET_2D
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};
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static const char glsl_func_planar_yuv_to_yuva[] =
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static const char glsl_func_fetch_planar_yuv[] =
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"vec4 fetch_planar_yuv(sampler2D Ytex, sampler2D Utex, sampler2D Vtex, vec2 texcoord) {\n"
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" vec4 yuva;\n"
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" yuva.x = texture2D(Ytex, texcoord * tex_scale0).r * in_bitdepth_factor;\n"
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@ -237,7 +237,7 @@ static const gchar templ_PLANAR_YUV_to_RGB_BODY[] =
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static const struct shader_templ templ_PLANAR_YUV_to_RGB =
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{ NULL,
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DEFAULT_UNIFORMS YUV_TO_RGB_COEFFICIENTS "uniform sampler2D Ytex, Utex, Vtex;\n" "uniform float in_bitdepth_factor;\n",
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{ glsl_func_swizzle, glsl_func_color_matrix, glsl_func_planar_yuv_to_yuva, NULL, },
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{ glsl_func_swizzle, glsl_func_color_matrix, glsl_func_fetch_planar_yuv, NULL, },
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GST_GL_TEXTURE_TARGET_2D
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};
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@ -252,7 +252,7 @@ static const struct shader_templ templ_A420_to_RGB =
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{ NULL,
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/* 4th uniform is the alpha buffer */
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DEFAULT_UNIFORMS YUV_TO_RGB_COEFFICIENTS "uniform sampler2D Ytex, Utex, Vtex, Atex;\n" "uniform float in_bitdepth_factor;\n",
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{ glsl_func_swizzle, glsl_func_color_matrix, glsl_func_planar_yuv_to_yuva, NULL, },
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{ glsl_func_swizzle, glsl_func_color_matrix, glsl_func_fetch_planar_yuv, NULL, },
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GST_GL_TEXTURE_TARGET_2D
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};
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@ -588,20 +588,20 @@ static const char glsl_func_v210_unpack[] =
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" int texel_i = 4 * (xpos / 2) + 2;\n"
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" return v210_component_to_texel(texel_i);\n"
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"}\n"
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"vec4 v210_unpack(sampler2D tex, vec2 texcoord) {\n"
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"vec4 v210_unpack(sampler2D tex, vec2 texcoord, vec2 chroma_sampling) {\n"
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" int xpos = int(texcoord.x * out_width);\n"
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" ivec2 y_xoffset = v210_y_xoffset(xpos);\n"
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" ivec2 u_xoffset = v210_u_xoffset(xpos);\n"
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" ivec2 v_xoffset = v210_v_xoffset(xpos);\n"
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" ivec2 u_xoffset = v210_u_xoffset(xpos * int(chroma_sampling.x));\n"
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" ivec2 v_xoffset = v210_v_xoffset(xpos * int(chroma_sampling.x));\n"
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" vec2 half_x_offset = vec2(poffset_x / 2.0, 0.0);\n"
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" vec4 y_texel = texture2D(tex, vec2(poffset_x * float(y_xoffset[0]), texcoord.y) * tex_scale0 + half_x_offset);\n"
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" vec4 u_texel = texture2D(tex, vec2(poffset_x * float(u_xoffset[0]), texcoord.y) * tex_scale0 + half_x_offset);\n"
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" vec4 v_texel = texture2D(tex, vec2(poffset_x * float(v_xoffset[0]), texcoord.y) * tex_scale0 + half_x_offset);\n"
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" vec4 u_texel = texture2D(tex, vec2(poffset_x * float(u_xoffset[0]), texcoord.y * chroma_sampling.y) * tex_scale0 + half_x_offset);\n"
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" vec4 v_texel = texture2D(tex, vec2(poffset_x * float(v_xoffset[0]), texcoord.y * chroma_sampling.y) * tex_scale0 + half_x_offset);\n"
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" return vec4(y_texel[y_xoffset[1]], u_texel[u_xoffset[1]], v_texel[v_xoffset[1]], 1.0);\n"
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"}\n";
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static const gchar templ_v210_to_RGB_BODY[] =
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"vec4 yuva = v210_unpack(Ytex, v_texcoord);\n"
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"vec4 yuva = v210_unpack(Ytex, v_texcoord, vec2(1.0));\n"
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"vec4 rgba = color_matrix_apply(yuva, to_RGB_matrix);\n"
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"gl_FragColor = swizzle(rgba, output_swizzle);\n";
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@ -612,9 +612,33 @@ static const struct shader_templ templ_v210_to_RGB =
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GST_GL_TEXTURE_TARGET_2D
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};
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static const gchar templ_v210_to_PLANAR_YUV_BODY[] =
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"vec4 yuva = v210_unpack(Ytex, v_texcoord, chroma_sampling);\n"
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"yuva = swizzle(yuva, output_swizzle) * out_bitdepth_factor;\n"
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"write_planar_yuv(yuva);\n";
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static const struct shader_templ templ_v210_to_PLANAR_YUV =
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{ NULL,
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DEFAULT_UNIFORMS YUV_TO_RGB_COEFFICIENTS "uniform sampler2D Ytex;\n" "uniform float out_width;\n" "uniform float out_bitdepth_factor;\n" "uniform vec2 chroma_sampling;\n",
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{ glsl_func_swizzle, glsl_func_color_matrix, glsl_func_v210_unpack, glsl_func_write_planar_yuv, NULL, },
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GST_GL_TEXTURE_TARGET_2D
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};
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static const gchar templ_v210_to_PLANAR_YUVA_BODY[] =
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"vec4 yuva = v210_unpack(Ytex, v_texcoord, chroma_sampling);\n"
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"yuva = swizzle(yuva, output_swizzle) * out_bitdepth_factor;\n"
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"write_planar_yuva(yuva);\n";
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static const struct shader_templ templ_v210_to_PLANAR_YUVA =
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{ NULL,
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DEFAULT_UNIFORMS YUV_TO_RGB_COEFFICIENTS "uniform sampler2D Ytex;\n" "uniform float out_width;\n" "uniform float out_bitdepth_factor;\n" "uniform vec2 chroma_sampling;\n",
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{ glsl_func_swizzle, glsl_func_color_matrix, glsl_func_v210_unpack, glsl_func_write_planar_yuva, NULL, },
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GST_GL_TEXTURE_TARGET_2D
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};
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static const char glsl_func_v210_pack[] =
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// UYV YUY VYU YVY
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"vec4 v210_pack(sampler2D tex, vec2 texcoord) {\n"
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"ivec3 v210_pack(vec2 texcoord, out vec2 texcoord0, out vec2 texcoord1, out vec2 texcoord2) {\n"
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// (texel index, component of the texel)
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// array initialisation is not available in GLES2 so we construct it
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// manually.
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@ -639,18 +663,37 @@ static const char glsl_func_v210_pack[] =
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" ivec2 sub_idx1 = block_indices[(xpos % 4) * 3 + 1];\n"
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" ivec2 sub_idx2 = block_indices[(xpos % 4) * 3 + 2];\n"
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" vec2 block_offset = vec2(float((xpos / 4) * 6) * poffset_x, texcoord.y) + half_x_offset;\n"
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" vec4 rgba0 = swizzle(texture2D(tex, block_offset + vec2(float(sub_idx0[0]) * poffset_x, 0.0)), input_swizzle);\n"
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" vec4 rgba1 = swizzle(texture2D(tex, block_offset + vec2(float(sub_idx1[0]) * poffset_x, 0.0)), input_swizzle);\n"
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" vec4 rgba2 = swizzle(texture2D(tex, block_offset + vec2(float(sub_idx2[0]) * poffset_x, 0.0)), input_swizzle);\n"
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" vec4 yuva0 = color_matrix_apply(rgba0, to_YUV_matrix);\n"
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" vec4 yuva1 = color_matrix_apply(rgba1, to_YUV_matrix);\n"
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" vec4 yuva2 = color_matrix_apply(rgba2, to_YUV_matrix);\n"
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" return vec4(yuva0[sub_idx0[1]], yuva1[sub_idx1[1]], yuva2[sub_idx2[1]], 1.0);\n"
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" texcoord0 = block_offset + vec2(float(sub_idx0[0]) * poffset_x, 0.0);\n"
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" texcoord1 = block_offset + vec2(float(sub_idx1[0]) * poffset_x, 0.0);\n"
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" texcoord2 = block_offset + vec2(float(sub_idx2[0]) * poffset_x, 0.0);\n"
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" return ivec3(sub_idx0[1], sub_idx1[1], sub_idx2[1]);\n"
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"}\n";
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static const gchar templ_PLANAR_YUV_to_v210_BODY[] =
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"vec2 texcoord0, texcoord1, texcoord2;\n"
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"ivec3 idx = v210_pack(v_texcoord, texcoord0, texcoord1, texcoord2);\n"
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"vec4 yuva0 = fetch_planar_yuv(Ytex, Utex, Vtex, texcoord0);\n"
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"vec4 yuva1 = fetch_planar_yuv(Ytex, Utex, Vtex, texcoord1);\n"
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"vec4 yuva2 = fetch_planar_yuv(Ytex, Utex, Vtex, texcoord2);\n"
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"gl_FragColor = vec4(yuva0[idx[0]], yuva1[idx[1]], yuva2[idx[2]], 1.0);\n";
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static const struct shader_templ templ_PLANAR_YUV_to_v210 =
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{ NULL,
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DEFAULT_UNIFORMS YUV_TO_RGB_COEFFICIENTS "uniform sampler2D Ytex;\n" "uniform sampler2D Utex;\n" "uniform sampler2D Vtex;\n" "uniform float out_width;\n" "uniform float in_bitdepth_factor;\n" "uniform vec2 chroma_sampling;\n",
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{ glsl_func_swizzle, glsl_func_color_matrix, glsl_func_fetch_planar_yuv, glsl_func_v210_pack, NULL, },
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GST_GL_TEXTURE_TARGET_2D
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};
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static const gchar templ_RGB_to_v210_BODY[] =
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"vec4 yuva = v210_pack(tex, v_texcoord);\n"
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"gl_FragColor = yuva;\n";
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"vec2 texcoord0, texcoord1, texcoord2;\n"
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"ivec3 idx = v210_pack(v_texcoord, texcoord0, texcoord1, texcoord2);\n"
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"vec4 rgba0 = swizzle(texture2D(tex, texcoord0), input_swizzle);\n"
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"vec4 rgba1 = swizzle(texture2D(tex, texcoord1), input_swizzle);\n"
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"vec4 rgba2 = swizzle(texture2D(tex, texcoord2), input_swizzle);\n"
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"vec4 yuva0 = color_matrix_apply(rgba0, to_YUV_matrix);\n"
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"vec4 yuva1 = color_matrix_apply(rgba1, to_YUV_matrix);\n"
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"vec4 yuva2 = color_matrix_apply(rgba2, to_YUV_matrix);\n"
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"gl_FragColor = vec4(yuva0[idx[0]], yuva1[idx[1]], yuva2[idx[2]], 1.0);\n";
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static const struct shader_templ templ_RGB_to_v210 =
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{ NULL,
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@ -1228,6 +1271,12 @@ conversion_formats_are_supported (const GstVideoFormatInfo * in_finfo,
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if (input_yuv_planar && output_yuv_planar)
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return TRUE;
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if (input_yuv_planar && GST_VIDEO_FORMAT_INFO_FORMAT (out_finfo) == GST_VIDEO_FORMAT_v210)
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return TRUE;
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if (output_yuv_planar && GST_VIDEO_FORMAT_INFO_FORMAT (in_finfo) == GST_VIDEO_FORMAT_v210)
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return TRUE;
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return FALSE;
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}
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@ -1574,6 +1623,20 @@ _init_supported_formats (GstGLContext * context, gboolean output,
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}
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}
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static gboolean
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supports_yuv_yuv_conversion (const GstVideoFormatInfo *from)
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{
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if (GST_VIDEO_FORMAT_INFO_IS_YUV (from)
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&& GST_VIDEO_FORMAT_INFO_N_PLANES (from) ==
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GST_VIDEO_FORMAT_INFO_N_COMPONENTS (from))
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return TRUE;
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if (GST_VIDEO_FORMAT_INFO_FORMAT (from) == GST_VIDEO_FORMAT_v210)
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return TRUE;
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return FALSE;
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}
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/* copies the given caps */
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static GstCaps *
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gst_gl_color_convert_caps_transform_format_info (GstGLContext * context,
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@ -1606,7 +1669,7 @@ gst_gl_color_convert_caps_transform_format_info (GstGLContext * context,
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"A444_12LE", "A422_12LE", "A420_12LE", "A444_16LE", "A422_16LE",
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"A420_16LE", "I420_12LE", "I420_10LE", "A420_10BE", "A422_10BE",
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"A444_10BE", "A444_12BE", "A422_12BE", "A420_12BE", "A444_16BE",
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"A422_16BE", "A420_16BE", "I420_12BE", "I420_10BE", NULL);
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"A422_16BE", "A420_16BE", "I420_12BE", "I420_10BE", "v210", NULL);
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_init_supported_formats (context, output, &supported_formats);
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gst_value_intersect (&supported_rgb_formats, &rgb_formats,
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&supported_formats);
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@ -1657,9 +1720,7 @@ gst_gl_color_convert_caps_transform_format_info (GstGLContext * context,
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GST_VIDEO_FORMAT_FLAG_RGB) {
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have_rgb_formats = TRUE;
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break;
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} else if (GST_VIDEO_FORMAT_INFO_IS_YUV (t_info)
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&& GST_VIDEO_FORMAT_INFO_N_PLANES (t_info) ==
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GST_VIDEO_FORMAT_INFO_N_COMPONENTS (t_info)) {
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} else if (supports_yuv_yuv_conversion (t_info)) {
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have_planar_yuv_formats = TRUE;
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}
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}
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@ -1698,9 +1759,7 @@ gst_gl_color_convert_caps_transform_format_info (GstGLContext * context,
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} else {
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/* add passthrough structure, then the rgb conversion structure */
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gst_structure_set_value (st, "format", format);
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if (GST_VIDEO_FORMAT_INFO_IS_YUV (t_info)
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&& GST_VIDEO_FORMAT_INFO_N_PLANES (t_info) ==
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GST_VIDEO_FORMAT_INFO_N_COMPONENTS (t_info)) {
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if (supports_yuv_yuv_conversion (t_info)) {
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gst_caps_append_structure_full (res, gst_structure_copy (st),
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gst_caps_features_copy (f));
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gst_structure_set_value (st, "format",
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@ -2667,6 +2726,44 @@ _YUV_to_YUV (GstGLColorConvert * convert)
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info->frag_body = g_strdup (templ_PLANAR_YUVA_to_PLANAR_YUVA_BODY);
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}
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}
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} else if (input_planar) {
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info->chroma_sampling[0] = (float) (1 << in_finfo->w_sub[1]);
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info->chroma_sampling[1] = (float) (1 << in_finfo->h_sub[1]);
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info->shader_tex_names[0] = "Ytex";
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info->shader_tex_names[1] = "Utex";
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info->shader_tex_names[2] = "Vtex";
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info->in_bitdepth_factor =
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(float) ((1 << GST_ROUND_UP_8 (in_finfo->bits)) -
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1) / (float) ((1 << in_finfo->bits) - 1);
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switch (out_format) {
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case GST_VIDEO_FORMAT_v210:
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info->templ = &templ_PLANAR_YUV_to_v210;
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info->frag_body = g_strdup (templ_PLANAR_YUV_to_v210_BODY);
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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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} else if (output_planar) {
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info->chroma_sampling[0] = (float) (1 << out_finfo->w_sub[1]);
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info->chroma_sampling[1] = (float) (1 << out_finfo->h_sub[1]);
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info->out_bitdepth_factor =
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(float) ((1 << out_finfo->bits) -
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1) / (float) ((1 << GST_ROUND_UP_8 (out_finfo->bits)) - 1);
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switch (in_format) {
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case GST_VIDEO_FORMAT_v210:
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if (!GST_VIDEO_FORMAT_INFO_HAS_ALPHA (out_finfo)) {
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info->templ = &templ_v210_to_PLANAR_YUV;
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info->frag_body = g_strdup (templ_v210_to_PLANAR_YUV_BODY);
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} else {
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info->templ = &templ_v210_to_PLANAR_YUVA;
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info->frag_body = g_strdup (templ_v210_to_PLANAR_YUVA_BODY);
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}
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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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} else {
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g_assert_not_reached ();
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}
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