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asarium
d0a1efacb8
This moves all the cutscene specific code out of the movie player code and into the cutscene code so that the movie player can be reused for usage in other environments. This is required for #1041 since an implementation of that feature would reuse the movie player code of the cutscene code but without all the main loop stuff.
96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
#include "VideoPresenter.h"
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#include "graphics/matrix.h"
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using namespace cutscene;
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using namespace cutscene::player;
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namespace {
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struct movie_vertex {
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vec2d pos;
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vec2d uv;
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};
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}
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namespace cutscene {
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namespace player {
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VideoPresenter::VideoPresenter(const MovieProperties& props) {
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GR_DEBUG_SCOPE("Init video");
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auto w = static_cast<int>(props.size.width);
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auto h = static_cast<int>(props.size.height);
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// Create buffer textures
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_yTexBuffer.reset(new uint8_t[w * h]);
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_ytex = bm_create(8, w, h, _yTexBuffer.get(), BMP_AABITMAP);
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_uTexBuffer.reset(new uint8_t[w / 2 * h / 2]);
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_utex = bm_create(8, w / 2, h / 2, _uTexBuffer.get(), BMP_AABITMAP);
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_vTexBuffer.reset(new uint8_t[w / 2 * h / 2]);
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_vtex = bm_create(8, w / 2, h / 2, _vTexBuffer.get(), BMP_AABITMAP);
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material_set_movie(&_render_material, _ytex, _utex, _vtex);
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}
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VideoPresenter::~VideoPresenter() {
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GR_DEBUG_SCOPE("Deinit video");
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bm_release(_ytex);
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bm_release(_utex);
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bm_release(_vtex);
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_ytex = _utex = _vtex = -1;
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}
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void VideoPresenter::uploadVideoFrame(const VideoFramePtr& frame) {
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GR_DEBUG_SCOPE("Update video frame");
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auto ptrs = frame->getDataPointers();
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memcpy(_yTexBuffer.get(), ptrs.y, frame->ySize.stride * frame->ySize.height);
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memcpy(_uTexBuffer.get(), ptrs.u, frame->uvSize.stride * frame->uvSize.height);
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memcpy(_vTexBuffer.get(), ptrs.v, frame->uvSize.stride * frame->uvSize.height);
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gr_update_texture(_ytex, 8, _yTexBuffer.get(), (int) frame->ySize.width, (int) frame->ySize.height);
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gr_update_texture(_utex, 8, _uTexBuffer.get(), (int) frame->uvSize.width, (int) frame->uvSize.height);
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gr_update_texture(_vtex, 8, _vTexBuffer.get(), (int) frame->uvSize.width, (int) frame->uvSize.height);
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}
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void VideoPresenter::displayFrame(float x1, float y1, float x2, float y2) {
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GR_DEBUG_SCOPE("Draw video frame");
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movie_vertex vertex_data[4];
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vertex_data[0].pos.x = x1;
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vertex_data[0].pos.y = y1;
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vertex_data[0].uv.x = 0.0f;
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vertex_data[0].uv.y = 0.0f;
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vertex_data[1].pos.x = x1;
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vertex_data[1].pos.y = y2;
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vertex_data[1].uv.x = 0.0f;
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vertex_data[1].uv.y = 1.0f;
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vertex_data[2].pos.x = x2;
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vertex_data[2].pos.y = y1;
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vertex_data[2].uv.x = 1.0f;
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vertex_data[2].uv.y = 0.0f;
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vertex_data[3].pos.x = x2;
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vertex_data[3].pos.y = y2;
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vertex_data[3].uv.x = 1.0f;
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vertex_data[3].uv.y = 1.0f;
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// Use the immediate buffer for storing our data since that is exactly what we need
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auto offset = gr_add_to_immediate_buffer(sizeof(vertex_data), vertex_data);
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vertex_layout layout;
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layout.add_vertex_component(vertex_format_data::POSITION2, sizeof(vertex_data[0]), offset + offsetof(movie_vertex, pos));
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layout.add_vertex_component(vertex_format_data::TEX_COORD2, sizeof(vertex_data[0]), offset + offsetof(movie_vertex, uv));
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gr_render_movie(&_render_material, PRIM_TYPE_TRISTRIP, &layout, 4, gr_immediate_buffer_handle);
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}
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}
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}
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