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android: jpeg: Set thumbnail and JPEG quality based on request

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Set the thumbnail quality and the JPEG quality based on the android
request metadata.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
This commit is contained in:
Paul Elder
2021-01-23 14:08:35 +09:00
parent a6de3f0203
commit ab72e6641c
5 changed files with 24 additions and 24 deletions
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10
src/android/jpeg/encoder_libjpeg.cpp
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@@ -68,7 +68,6 @@ const struct JPEGPixelFormatInfo &findPixelInfo(const PixelFormat &format)
} /* namespace */
EncoderLibJpeg::EncoderLibJpeg()
: quality_(95)
{
/* \todo Expand error handling coverage with a custom handler. */
compress_.err = jpeg_std_error(&jerr_);
@@ -94,7 +93,6 @@ int EncoderLibJpeg::configure(const StreamConfiguration &cfg)
compress_.input_components = info.colorSpace == JCS_GRAYSCALE ? 1 : 3;
jpeg_set_defaults(&compress_);
jpeg_set_quality(&compress_, quality_, TRUE);
pixelFormatInfo_ = &info.pixelFormatInfo;
@@ -180,7 +178,7 @@ void EncoderLibJpeg::compressNV(Span<const uint8_t> frame)
}
int EncoderLibJpeg::encode(const FrameBuffer &source, Span<uint8_t> dest,
Span<const uint8_t> exifData)
Span<const uint8_t> exifData, unsigned int quality)
{
MappedFrameBuffer frame(&source, PROT_READ);
if (!frame.isValid()) {
@@ -189,15 +187,17 @@ int EncoderLibJpeg::encode(const FrameBuffer &source, Span<uint8_t> dest,
return frame.error();
}
return encode(frame.maps()[0], dest, exifData);
return encode(frame.maps()[0], dest, exifData, quality);
}
int EncoderLibJpeg::encode(Span<const uint8_t> src, Span<uint8_t> dest,
Span<const uint8_t> exifData)
Span<const uint8_t> exifData, unsigned int quality)
{
unsigned char *destination = dest.data();
unsigned long size = dest.size();
jpeg_set_quality(&compress_, quality, TRUE);
/*
* The jpeg_mem_dest will reallocate if the required size is not
* sufficient. That means the output won't be written to the correct