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video_input: fully init decoder

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Some of the decoder's settings are only set once decoding has started,
such as the pixel format.

Change-Id: Ifb3cf4606d1dc02dc089bc8ca9ca11a7a3071caf
This commit is contained in:
philippegorley
2019-08-22 13:32:16 -04:00
parent b10ad06ecc
commit fd30c9639d
1 changed files with 18 additions and 4 deletions
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22
src/media/video/video_input.cpp
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@ -367,12 +367,22 @@ VideoInput::createDecoder()
return;
}
decoder->decode(); // Populate AVCodecContext fields
decOpts_.width = decoder->getWidth();
decOpts_.height = decoder->getHeight();
decOpts_.framerate = decoder->getFps();
AVPixelFormat fmt = decoder->getPixelFormat();
if (fmt != AV_PIX_FMT_NONE) {
decOpts_.pixel_format = av_get_pix_fmt_name(fmt);
} else {
JAMI_WARN("Could not determine pixel format, using default");
decOpts_.pixel_format = av_get_pix_fmt_name(AV_PIX_FMT_YUV420P);
}
JAMI_DBG("created decoder with video params : size=%dX%d, fps=%lf",
decOpts_.width, decOpts_.height, decOpts_.framerate.real());
JAMI_DBG("created decoder with video params : size=%dX%d, fps=%lf pix=%s",
decOpts_.width, decOpts_.height, decOpts_.framerate.real(),
decOpts_.pixel_format.c_str());
decoder_ = std::move(decoder);
foundDecOpts(decOpts_);
@ -456,7 +466,6 @@ VideoInput::initAVFoundation(const std::string& display)
return true;
}
bool
VideoInput::initGdiGrab(const std::string& params)
{
@ -628,7 +637,12 @@ DeviceParams VideoInput::getParams() const
MediaStream
VideoInput::getInfo() const
{
return decoder_->getStream("v:local");
if (decoder_)
return decoder_->getStream("v:local");
auto opts = futureDecOpts_.get();
rational<int> fr(opts.framerate.numerator(), opts.framerate.denominator());
return MediaStream("v:local", av_get_pix_fmt(opts.pixel_format.c_str()),
1 / fr, opts.width, opts.height, 0, fr);
}
void