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Fix 720p streaming on MMAL

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This commit is contained in:
Cameron Gutman
2020-02-23 00:22:44 -08:00
parent 6314676b9c
commit 43bdc353fb
1 changed files with 6 additions and 1 deletions
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7
app/streaming/video/ffmpeg-renderers/mmal.cpp
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@@ -22,12 +22,17 @@ MmalRenderer::~MmalRenderer()
}
}
bool MmalRenderer::prepareDecoderContext(AVCodecContext*, AVDictionary** options)
bool MmalRenderer::prepareDecoderContext(AVCodecContext* context, AVDictionary** options)
{
// FFmpeg defaults this to 10 which is too large to fit in the default 64 MB VRAM split.
// Reducing to 2 seems to work fine for our bitstreams (max of 1 buffered frame needed).
av_dict_set_int(options, "extra_buffers", 2, 0);
// MMAL seems to dislike certain initial width and height values, but it seems okay
// with getting zero for the width and height. We'll zero them all the time to be safe.
context->width = 0;
context->height = 0;
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Using MMAL renderer");