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testffmpeg: don't use the OES texture path for NV12 video frames

This commit is contained in:
Sam Lantinga 2024-08-20 15:45:09 -07:00
parent 0e7ae3d843
commit ef2a30e415
1 changed files with 94 additions and 98 deletions
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192
test/testffmpeg.c
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@ -657,6 +657,95 @@ static SDL_bool GetTextureForMemoryFrame(AVFrame *frame, SDL_Texture **texture)
#ifdef HAVE_EGL
static SDL_bool GetNV12TextureForDRMFrame(AVFrame *frame, SDL_Texture **texture)
{
AVHWFramesContext *frames = (AVHWFramesContext *)(frame->hw_frames_ctx ? frame->hw_frames_ctx->data : NULL);
const AVDRMFrameDescriptor *desc = (const AVDRMFrameDescriptor *)frame->data[0];
int i, j, image_index;
EGLDisplay display = eglGetCurrentDisplay();
SDL_PropertiesID props;
GLuint textures[2];
if (*texture) {
/* Free the previous texture now that we're about to render a new one */
SDL_DestroyTexture(*texture);
} else {
/* First time set up for NV12 textures */
SDL_SetHint("SDL_RENDER_OPENGL_NV12_RG_SHADER", "1");
}
props = CreateVideoTextureProperties(frame, SDL_PIXELFORMAT_NV12, SDL_TEXTUREACCESS_STATIC);
*texture = SDL_CreateTextureWithProperties(renderer, props);
SDL_DestroyProperties(props);
if (!*texture) {
return SDL_FALSE;
}
SDL_SetTextureBlendMode(*texture, SDL_BLENDMODE_NONE);
SDL_SetTextureScaleMode(*texture, SDL_SCALEMODE_LINEAR);
props = SDL_GetTextureProperties(*texture);
textures[0] = (GLuint)SDL_GetNumberProperty(props, SDL_PROP_TEXTURE_OPENGLES2_TEXTURE_NUMBER, 0);
textures[1] = (GLuint)SDL_GetNumberProperty(props, SDL_PROP_TEXTURE_OPENGLES2_TEXTURE_UV_NUMBER, 0);
if (!textures[0] || !textures[1]) {
SDL_SetError("Couldn't get NV12 OpenGL textures");
return SDL_FALSE;
}
/* import the frame into OpenGL */
image_index = 0;
for (i = 0; i < desc->nb_layers; ++i) {
const AVDRMLayerDescriptor *layer = &desc->layers[i];
for (j = 0; j < layer->nb_planes; ++j) {
const AVDRMPlaneDescriptor *plane = &layer->planes[j];
const AVDRMObjectDescriptor *object = &desc->objects[plane->object_index];
EGLAttrib attr[32];
size_t k = 0;
attr[k++] = EGL_LINUX_DRM_FOURCC_EXT;
attr[k++] = layer->format;
attr[k++] = EGL_WIDTH;
attr[k++] = (frames ? frames->width : frame->width) / (image_index + 1); /* half size for chroma */
attr[k++] = EGL_HEIGHT;
attr[k++] = (frames ? frames->height : frame->height) / (image_index + 1);
attr[k++] = EGL_DMA_BUF_PLANE0_FD_EXT;
attr[k++] = object->fd;
attr[k++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT;
attr[k++] = plane->offset;
attr[k++] = EGL_DMA_BUF_PLANE0_PITCH_EXT;
attr[k++] = plane->pitch;
if (has_EGL_EXT_image_dma_buf_import_modifiers) {
attr[k++] = EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT;
attr[k++] = (object->format_modifier >> 0) & 0xFFFFFFFF;
attr[k++] = EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT;
attr[k++] = (object->format_modifier >> 32) & 0xFFFFFFFF;
}
attr[k++] = EGL_NONE;
EGLImage image = eglCreateImage(display, EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, NULL, attr);
if (image == EGL_NO_IMAGE) {
SDL_Log("Couldn't create image: %d\n", glGetError());
return SDL_FALSE;
}
glActiveTextureARBFunc(GL_TEXTURE0_ARB + image_index);
glBindTexture(GL_TEXTURE_2D, textures[image_index]);
glEGLImageTargetTexture2DOESFunc(GL_TEXTURE_2D, image);
++image_index;
}
}
return SDL_TRUE;
}
static SDL_bool GetOESTextureForDRMFrame(AVFrame *frame, SDL_Texture **texture)
{
AVHWFramesContext *frames = (AVHWFramesContext *)(frame->hw_frames_ctx ? frame->hw_frames_ctx->data : NULL);
@ -842,108 +931,15 @@ static SDL_bool GetOESTextureForDRMFrame(AVFrame *frame, SDL_Texture **texture)
static SDL_bool GetTextureForDRMFrame(AVFrame *frame, SDL_Texture **texture)
{
#ifdef HAVE_EGL
AVHWFramesContext *frames = (AVHWFramesContext *)(frame->hw_frames_ctx ? frame->hw_frames_ctx->data : NULL);
const AVDRMFrameDescriptor *desc = (const AVDRMFrameDescriptor *)frame->data[0];
int i, j, image_index, num_planes;
EGLDisplay display = eglGetCurrentDisplay();
SDL_PropertiesID props;
GLuint textures[2];
uint64_t format_modifier = desc->objects[0].format_modifier;
if (format_modifier != DRM_FORMAT_MOD_INVALID &&
format_modifier != DRM_FORMAT_MOD_LINEAR) {
if (desc->nb_layers == 2 &&
desc->layers[0].format == DRM_FORMAT_R8 &&
desc->layers[1].format == DRM_FORMAT_GR88) {
return GetNV12TextureForDRMFrame(frame, texture);
} else {
return GetOESTextureForDRMFrame(frame, texture);
}
/* FIXME: Assuming NV12 data format */
num_planes = 0;
for (i = 0; i < desc->nb_layers; ++i) {
num_planes += desc->layers[i].nb_planes;
}
if (num_planes != 2) {
SDL_SetError("Expected NV12 frames with 2 planes, instead got %d planes", num_planes);
return SDL_FALSE;
}
if (*texture) {
/* Free the previous texture now that we're about to render a new one */
SDL_DestroyTexture(*texture);
} else {
/* First time set up for NV12 textures */
SDL_SetHint("SDL_RENDER_OPENGL_NV12_RG_SHADER", "1");
}
props = CreateVideoTextureProperties(frame, SDL_PIXELFORMAT_NV12, SDL_TEXTUREACCESS_STATIC);
*texture = SDL_CreateTextureWithProperties(renderer, props);
SDL_DestroyProperties(props);
if (!*texture) {
return SDL_FALSE;
}
SDL_SetTextureBlendMode(*texture, SDL_BLENDMODE_NONE);
SDL_SetTextureScaleMode(*texture, SDL_SCALEMODE_LINEAR);
props = SDL_GetTextureProperties(*texture);
textures[0] = (GLuint)SDL_GetNumberProperty(props, SDL_PROP_TEXTURE_OPENGLES2_TEXTURE_NUMBER, 0);
textures[1] = (GLuint)SDL_GetNumberProperty(props, SDL_PROP_TEXTURE_OPENGLES2_TEXTURE_UV_NUMBER, 0);
if (!textures[0] || !textures[1]) {
SDL_SetError("Couldn't get NV12 OpenGL textures");
return SDL_FALSE;
}
/* import the frame into OpenGL */
image_index = 0;
for (i = 0; i < desc->nb_layers; ++i) {
const AVDRMLayerDescriptor *layer = &desc->layers[i];
for (j = 0; j < layer->nb_planes; ++j) {
static const uint32_t formats[2] = { DRM_FORMAT_R8, DRM_FORMAT_GR88 };
const AVDRMPlaneDescriptor *plane = &layer->planes[j];
const AVDRMObjectDescriptor *object = &desc->objects[plane->object_index];
EGLAttrib attr[32];
size_t k = 0;
attr[k++] = EGL_LINUX_DRM_FOURCC_EXT;
attr[k++] = formats[i];
attr[k++] = EGL_WIDTH;
attr[k++] = (frames ? frames->width : frame->width) / (image_index + 1); /* half size for chroma */
attr[k++] = EGL_HEIGHT;
attr[k++] = (frames ? frames->height : frame->height) / (image_index + 1);
attr[k++] = EGL_DMA_BUF_PLANE0_FD_EXT;
attr[k++] = object->fd;
attr[k++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT;
attr[k++] = plane->offset;
attr[k++] = EGL_DMA_BUF_PLANE0_PITCH_EXT;
attr[k++] = plane->pitch;
if (has_EGL_EXT_image_dma_buf_import_modifiers) {
attr[k++] = EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT;
attr[k++] = (object->format_modifier >> 0) & 0xFFFFFFFF;
attr[k++] = EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT;
attr[k++] = (object->format_modifier >> 32) & 0xFFFFFFFF;
}
attr[k++] = EGL_NONE;
EGLImage image = eglCreateImage(display, EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, NULL, attr);
if (image == EGL_NO_IMAGE) {
SDL_Log("Couldn't create image: %d\n", glGetError());
return SDL_FALSE;
}
glActiveTextureARBFunc(GL_TEXTURE0_ARB + image_index);
glBindTexture(GL_TEXTURE_2D, textures[image_index]);
glEGLImageTargetTexture2DOESFunc(GL_TEXTURE_2D, image);
++image_index;
}
}
return SDL_TRUE;
#else
return SDL_FALSE;
#endif