[Spice-devel] [PATCH spice 09/11] server/mjpeg_encoder: allow varying jpeg quality

[Yonit Halperin]

Signed-off-by: Yonit Halperin <yhalperi at redhat.com>
---
 server/mjpeg_encoder.c |    5 ++---
 server/mjpeg_encoder.h |    1 +
 server/red_worker.c    |    1 +
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/server/mjpeg_encoder.c b/server/mjpeg_encoder.c
index b3685f8..72d9040 100644
--- a/server/mjpeg_encoder.c
+++ b/server/mjpeg_encoder.c
@@ -27,7 +27,6 @@
 struct MJpegEncoder {
     uint8_t *row;
     int first_frame;
-    int quality;
 
     struct jpeg_compress_struct cinfo;
     struct jpeg_error_mgr jerr;
@@ -43,7 +42,6 @@ MJpegEncoder *mjpeg_encoder_new()
     enc = spice_new0(MJpegEncoder, 1);
 
     enc->first_frame = TRUE;
-    enc->quality = 70;
     enc->cinfo.err = jpeg_std_error(&enc->jerr);
     jpeg_create_compress(&enc->cinfo);
 
@@ -196,6 +194,7 @@ spice_jpeg_mem_dest(j_compress_ptr cinfo,
 /* end of code from libjpeg */
 
 int mjpeg_encoder_start_frame(MJpegEncoder *encoder, SpiceBitmapFmt format,
+                              int quality,
                               int width, int height,
                               uint8_t **dest, size_t *dest_len)
 {
@@ -244,7 +243,7 @@ int mjpeg_encoder_start_frame(MJpegEncoder *encoder, SpiceBitmapFmt format,
     encoder->cinfo.image_height     = height;
     jpeg_set_defaults(&encoder->cinfo);
     encoder->cinfo.dct_method       = JDCT_IFAST;
-    jpeg_set_quality(&encoder->cinfo, encoder->quality, TRUE);
+    jpeg_set_quality(&encoder->cinfo, quality, TRUE);
     jpeg_start_compress(&encoder->cinfo, encoder->first_frame);
 
     return TRUE;
diff --git a/server/mjpeg_encoder.h b/server/mjpeg_encoder.h
index 3a005b7..08077e8 100644
--- a/server/mjpeg_encoder.h
+++ b/server/mjpeg_encoder.h
@@ -28,6 +28,7 @@ void mjpeg_encoder_destroy(MJpegEncoder *encoder);
 
 uint8_t mjpeg_encoder_get_bytes_per_pixel(MJpegEncoder *encoder);
 int mjpeg_encoder_start_frame(MJpegEncoder *encoder, SpiceBitmapFmt format,
+                              int quality,
                               int width, int height,
                               uint8_t **dest, size_t *dest_len);
 int mjpeg_encoder_encode_scanline(MJpegEncoder *encoder, uint8_t *src_pixels,
diff --git a/server/red_worker.c b/server/red_worker.c
index f876c15..a9942cf 100644
--- a/server/red_worker.c
+++ b/server/red_worker.c
@@ -8126,6 +8126,7 @@ static inline int red_marshall_stream_data(RedChannelClient *rcc,
 
     outbuf_size = dcc->send_data.stream_outbuf_size;
     if (!mjpeg_encoder_start_frame(stream->mjpeg_encoder, image->u.bitmap.format,
+                                   70,
                                    width, height,
                                    &dcc->send_data.stream_outbuf,
                                    &outbuf_size)) {
-- 
1.7.7.6