Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
server/dcc-encoders.c | 127 ++++++++++++++++++++++++++++++++++++++++++++++++++
server/dcc-encoders.h | 4 ++
server/dcc.c | 127 --------------------------------------------------
3 files changed, 131 insertions(+), 127 deletions(-)
diff --git a/server/dcc-encoders.c b/server/dcc-encoders.c
index 279c134..0b8ef46 100644
--- a/server/dcc-encoders.c
+++ b/server/dcc-encoders.c
@@ -862,4 +862,131 @@ int image_encoders_compress_lz(ImageEncoders *enc,
return TRUE;
}
+int image_encoders_compress_jpeg(ImageEncoders *enc, SpiceImage *dest,
+ SpiceBitmap *src, compress_send_data_t* o_comp_data,
+ stat_info_t *jpeg_stats, // FIXME put all stats in a structure
+ stat_info_t *jpeg_alpha_stats)
+{
+ JpegData *jpeg_data = &enc->jpeg_data;
+ LzData *lz_data = &enc->lz_data;
+ JpegEncoderContext *jpeg = enc->jpeg;
+ LzContext *lz = enc->lz;
+ volatile JpegEncoderImageType jpeg_in_type;
+ int jpeg_size = 0;
+ volatile int has_alpha = FALSE;
+ int alpha_lz_size = 0;
+ int comp_head_filled;
+ int comp_head_left;
+ int stride;
+ uint8_t *lz_out_start_byte;
+ stat_start_time_t start_time;
+ stat_start_time_init(&start_time, jpeg_alpha_stats);
+
+#ifdef COMPRESS_DEBUG
+ spice_info("JPEG compress");
+#endif
+
+ switch (src->format) {
+ case SPICE_BITMAP_FMT_16BIT:
+ jpeg_in_type = JPEG_IMAGE_TYPE_RGB16;
+ break;
+ case SPICE_BITMAP_FMT_24BIT:
+ jpeg_in_type = JPEG_IMAGE_TYPE_BGR24;
+ break;
+ case SPICE_BITMAP_FMT_32BIT:
+ jpeg_in_type = JPEG_IMAGE_TYPE_BGRX32;
+ break;
+ case SPICE_BITMAP_FMT_RGBA:
+ jpeg_in_type = JPEG_IMAGE_TYPE_BGRX32;
+ has_alpha = TRUE;
+ break;
+ default:
+ return FALSE;
+ }
+
+ encoder_data_init(&jpeg_data->data);
+
+ if (setjmp(jpeg_data->data.jmp_env)) {
+ encoder_data_reset(&jpeg_data->data);
+ return FALSE;
+ }
+
+ if (src->data->flags & SPICE_CHUNKS_FLAGS_UNSTABLE) {
+ spice_chunks_linearize(src->data);
+ }
+
+ jpeg_data->data.u.lines_data.chunks = src->data;
+ jpeg_data->data.u.lines_data.stride = src->stride;
+ if ((src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN)) {
+ jpeg_data->data.u.lines_data.next = 0;
+ jpeg_data->data.u.lines_data.reverse = 0;
+ stride = src->stride;
+ } else {
+ jpeg_data->data.u.lines_data.next = src->data->num_chunks - 1;
+ jpeg_data->data.u.lines_data.reverse = 1;
+ stride = -src->stride;
+ }
+ jpeg_size = jpeg_encode(jpeg, enc->jpeg_quality, jpeg_in_type,
+ src->x, src->y, NULL,
+ 0, stride, jpeg_data->data.bufs_head->buf.bytes,
+ sizeof(jpeg_data->data.bufs_head->buf));
+
+ // the compressed buffer is bigger than the original data
+ if (jpeg_size > (src->y * src->stride)) {
+ longjmp(jpeg_data->data.jmp_env, 1);
+ }
+
+ if (!has_alpha) {
+ dest->descriptor.type = SPICE_IMAGE_TYPE_JPEG;
+ dest->u.jpeg.data_size = jpeg_size;
+
+ o_comp_data->comp_buf = jpeg_data->data.bufs_head;
+ o_comp_data->comp_buf_size = jpeg_size;
+ o_comp_data->is_lossy = TRUE;
+
+ stat_compress_add(jpeg_stats, start_time, src->stride * src->y,
+ o_comp_data->comp_buf_size);
+ return TRUE;
+ }
+
+ lz_data->data.bufs_head = jpeg_data->data.bufs_tail;
+ lz_data->data.bufs_tail = lz_data->data.bufs_head;
+
+ comp_head_filled = jpeg_size % sizeof(lz_data->data.bufs_head->buf);
+ comp_head_left = sizeof(lz_data->data.bufs_head->buf) - comp_head_filled;
+ lz_out_start_byte = lz_data->data.bufs_head->buf.bytes + comp_head_filled;
+
+ lz_data->data.u.lines_data.chunks = src->data;
+ lz_data->data.u.lines_data.stride = src->stride;
+ lz_data->data.u.lines_data.next = 0;
+ lz_data->data.u.lines_data.reverse = 0;
+
+ alpha_lz_size = lz_encode(lz, LZ_IMAGE_TYPE_XXXA, src->x, src->y,
+ !!(src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN),
+ NULL, 0, src->stride,
+ lz_out_start_byte,
+ comp_head_left);
+
+ // the compressed buffer is bigger than the original data
+ if ((jpeg_size + alpha_lz_size) > (src->y * src->stride)) {
+ longjmp(jpeg_data->data.jmp_env, 1);
+ }
+
+ dest->descriptor.type = SPICE_IMAGE_TYPE_JPEG_ALPHA;
+ dest->u.jpeg_alpha.flags = 0;
+ if (src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN) {
+ dest->u.jpeg_alpha.flags |= SPICE_JPEG_ALPHA_FLAGS_TOP_DOWN;
+ }
+
+ dest->u.jpeg_alpha.jpeg_size = jpeg_size;
+ dest->u.jpeg_alpha.data_size = jpeg_size + alpha_lz_size;
+
+ o_comp_data->comp_buf = jpeg_data->data.bufs_head;
+ o_comp_data->comp_buf_size = jpeg_size + alpha_lz_size;
+ o_comp_data->is_lossy = TRUE;
+ stat_compress_add(jpeg_alpha_stats, start_time, src->stride * src->y,
+ o_comp_data->comp_buf_size);
+ return TRUE;
+}
+
diff --git a/server/dcc-encoders.h b/server/dcc-encoders.h
index 5bb0208..939221f 100644
--- a/server/dcc-encoders.h
+++ b/server/dcc-encoders.h
@@ -188,6 +188,10 @@ int image_encoders_compress_lz(ImageEncoders *enc,
SpiceImage *dest, SpiceBitmap *src,
compress_send_data_t* o_comp_data,
stat_info_t *stats);
+int image_encoders_compress_jpeg(ImageEncoders *enc, SpiceImage *dest,
+ SpiceBitmap *src, compress_send_data_t* o_comp_data,
+ stat_info_t *jpeg_stats,
+ stat_info_t *jpeg_alpha_stats);
#define RED_RELEASE_BUNCH_SIZE 64
diff --git a/server/dcc.c b/server/dcc.c
index ca6f5b5..218baad 100644
--- a/server/dcc.c
+++ b/server/dcc.c
@@ -784,133 +784,6 @@ glz:
return TRUE;
}
-static int image_encoders_compress_jpeg(ImageEncoders *enc, SpiceImage *dest,
- SpiceBitmap *src, compress_send_data_t* o_comp_data,
- stat_info_t *jpeg_stats, // FIXME put all stats in a structure
- stat_info_t *jpeg_alpha_stats)
-{
- JpegData *jpeg_data = &enc->jpeg_data;
- LzData *lz_data = &enc->lz_data;
- JpegEncoderContext *jpeg = enc->jpeg;
- LzContext *lz = enc->lz;
- volatile JpegEncoderImageType jpeg_in_type;
- int jpeg_size = 0;
- volatile int has_alpha = FALSE;
- int alpha_lz_size = 0;
- int comp_head_filled;
- int comp_head_left;
- int stride;
- uint8_t *lz_out_start_byte;
- stat_start_time_t start_time;
- stat_start_time_init(&start_time, jpeg_alpha_stats);
-
-#ifdef COMPRESS_DEBUG
- spice_info("JPEG compress");
-#endif
-
- switch (src->format) {
- case SPICE_BITMAP_FMT_16BIT:
- jpeg_in_type = JPEG_IMAGE_TYPE_RGB16;
- break;
- case SPICE_BITMAP_FMT_24BIT:
- jpeg_in_type = JPEG_IMAGE_TYPE_BGR24;
- break;
- case SPICE_BITMAP_FMT_32BIT:
- jpeg_in_type = JPEG_IMAGE_TYPE_BGRX32;
- break;
- case SPICE_BITMAP_FMT_RGBA:
- jpeg_in_type = JPEG_IMAGE_TYPE_BGRX32;
- has_alpha = TRUE;
- break;
- default:
- return FALSE;
- }
-
- encoder_data_init(&jpeg_data->data);
-
- if (setjmp(jpeg_data->data.jmp_env)) {
- encoder_data_reset(&jpeg_data->data);
- return FALSE;
- }
-
- if (src->data->flags & SPICE_CHUNKS_FLAGS_UNSTABLE) {
- spice_chunks_linearize(src->data);
- }
-
- jpeg_data->data.u.lines_data.chunks = src->data;
- jpeg_data->data.u.lines_data.stride = src->stride;
- if ((src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN)) {
- jpeg_data->data.u.lines_data.next = 0;
- jpeg_data->data.u.lines_data.reverse = 0;
- stride = src->stride;
- } else {
- jpeg_data->data.u.lines_data.next = src->data->num_chunks - 1;
- jpeg_data->data.u.lines_data.reverse = 1;
- stride = -src->stride;
- }
- jpeg_size = jpeg_encode(jpeg, enc->jpeg_quality, jpeg_in_type,
- src->x, src->y, NULL,
- 0, stride, jpeg_data->data.bufs_head->buf.bytes,
- sizeof(jpeg_data->data.bufs_head->buf));
-
- // the compressed buffer is bigger than the original data
- if (jpeg_size > (src->y * src->stride)) {
- longjmp(jpeg_data->data.jmp_env, 1);
- }
-
- if (!has_alpha) {
- dest->descriptor.type = SPICE_IMAGE_TYPE_JPEG;
- dest->u.jpeg.data_size = jpeg_size;
-
- o_comp_data->comp_buf = jpeg_data->data.bufs_head;
- o_comp_data->comp_buf_size = jpeg_size;
- o_comp_data->is_lossy = TRUE;
-
- stat_compress_add(jpeg_stats, start_time, src->stride * src->y,
- o_comp_data->comp_buf_size);
- return TRUE;
- }
-
- lz_data->data.bufs_head = jpeg_data->data.bufs_tail;
- lz_data->data.bufs_tail = lz_data->data.bufs_head;
-
- comp_head_filled = jpeg_size % sizeof(lz_data->data.bufs_head->buf);
- comp_head_left = sizeof(lz_data->data.bufs_head->buf) - comp_head_filled;
- lz_out_start_byte = lz_data->data.bufs_head->buf.bytes + comp_head_filled;
-
- lz_data->data.u.lines_data.chunks = src->data;
- lz_data->data.u.lines_data.stride = src->stride;
- lz_data->data.u.lines_data.next = 0;
- lz_data->data.u.lines_data.reverse = 0;
-
- alpha_lz_size = lz_encode(lz, LZ_IMAGE_TYPE_XXXA, src->x, src->y,
- !!(src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN),
- NULL, 0, src->stride,
- lz_out_start_byte,
- comp_head_left);
-
- // the compressed buffer is bigger than the original data
- if ((jpeg_size + alpha_lz_size) > (src->y * src->stride)) {
- longjmp(jpeg_data->data.jmp_env, 1);
- }
-
- dest->descriptor.type = SPICE_IMAGE_TYPE_JPEG_ALPHA;
- dest->u.jpeg_alpha.flags = 0;
- if (src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN) {
- dest->u.jpeg_alpha.flags |= SPICE_JPEG_ALPHA_FLAGS_TOP_DOWN;
- }
-
- dest->u.jpeg_alpha.jpeg_size = jpeg_size;
- dest->u.jpeg_alpha.data_size = jpeg_size + alpha_lz_size;
-
- o_comp_data->comp_buf = jpeg_data->data.bufs_head;
- o_comp_data->comp_buf_size = jpeg_size + alpha_lz_size;
- o_comp_data->is_lossy = TRUE;
- stat_compress_add(jpeg_alpha_stats, start_time, src->stride * src->y,
- o_comp_data->comp_buf_size);
- return TRUE;
-}
-
#ifdef USE_LZ4
static int dcc_compress_image_lz4(DisplayChannelClient *dcc, SpiceImage *dest,
SpiceBitmap *src, compress_send_data_t* o_comp_data)
--
2.7.4
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