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Fix aspect ratio of MMAL renderer output

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This commit is contained in:
Cameron Gutman 2020-12-19 17:48:36 -06:00
parent 6a54fb649c
commit 3162d2c17d
1 changed files with 22 additions and 8 deletions
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30
app/streaming/video/ffmpeg-renderers/mmal.cpp
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@ -77,19 +77,25 @@ bool MmalRenderer::initialize(PDECODER_PARAMETERS params)
}
{
MMAL_DISPLAYREGION_T dr;
MMAL_DISPLAYREGION_T dr = {};
dr.hdr.id = MMAL_PARAMETER_DISPLAYREGION;
dr.hdr.size = sizeof(MMAL_DISPLAYREGION_T);
dr.set = MMAL_DISPLAY_SET_LAYER;
dr.layer = 128;
dr.set |= MMAL_DISPLAY_SET_ALPHA;
dr.alpha = 255;
dr.set |= MMAL_DISPLAY_SET_FULLSCREEN;
dr.fullscreen = true;
dr.fullscreen = MMAL_FALSE;
dr.set |= MMAL_DISPLAY_SET_MODE;
dr.mode = MMAL_DISPLAY_MODE_LETTERBOX;
dr.set |= MMAL_DISPLAY_SET_NOASPECT;
dr.noaspect = MMAL_TRUE;
dr.set |= MMAL_DISPLAY_SET_SRC_RECT;
dr.src_rect.x = 0;
dr.src_rect.y = 0;
dr.src_rect.width = params->width;
dr.src_rect.height = params->height;
{
SDL_Rect src, dst;
@ -107,6 +113,14 @@ bool MmalRenderer::initialize(PDECODER_PARAMETERS params)
dr.dest_rect.width = dst.w;
dr.dest_rect.height = dst.h;
}
status = mmal_port_parameter_set(m_InputPort, &dr.hdr);
if (status != MMAL_SUCCESS) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"mmal_port_parameter_set() failed: %x (%s)",
status, mmal_status_to_string(status));
return false;
}
}
status = mmal_port_enable(m_InputPort, InputPortCallback);