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Tweak for JPEG - release

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philippe44
2022-09-12 14:16:02 -07:00
parent 922889fee2
commit 9be4593d81
2 changed files with 10 additions and 2 deletions
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6
components/display/core/gds_image.c
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@@ -24,6 +24,7 @@ typedef struct {
const unsigned char *InData; // Pointer to jpeg data
int InPos; // Current position in jpeg data
int Width, Height;
uint32_t Pixels;
uint8_t Mode;
union {
void *OutData;
@@ -142,6 +143,8 @@ static unsigned OutHandlerDirect(JDEC *Decoder, void *Bitmap, JRECT *Frame) {
JpegCtx *Context = (JpegCtx*) Decoder->device;
uint8_t *Pixels = (uint8_t*) Bitmap;
int Shift = 8 - Context->Depth;
Context->Pixels += (Frame->bottom - Frame->top + 1) * (Frame->right - Frame->left + 1); \
// decoded image is RGB888, shift only make sense for grayscale
if (Context->Mode == GDS_RGB888) {
@@ -418,10 +421,11 @@ bool GDS_DrawJPEG(struct GDS_Device* Device, uint8_t *Source, int x, int y, int
Context.XMin = x - Context.XOfs;
Context.YMin = y - Context.YOfs;
Context.Mode = Device->Mode;
Context.Pixels = 0;
// do decompress & draw
Res = jd_decomp(&Decoder, OutHandlerDirect, N);
if (Res == JDR_OK) {
if (Res == JDR_OK && Context.Pixels == Context.Width * Context.Height) {
Device->Dirty = true;
Ret = true;
} else {

6
components/squeezelite/displayer.c
View File

@@ -891,7 +891,11 @@ static void grfa_handler(u8_t *data, int len) {
artwork.size += size;
if (artwork.size == length) {
GDS_ClearWindow(display, artwork.x, artwork.y, -1, -1, GDS_COLOR_BLACK);
GDS_DrawJPEG(display, artwork.data, artwork.x, artwork.y, artwork.y < displayer.height ? (GDS_IMAGE_RIGHT | GDS_IMAGE_TOP) : GDS_IMAGE_CENTER);
xSemaphoreTake(displayer.mutex, portMAX_DELAY);
for (int i = 0; i < 2 && !GDS_DrawJPEG(display, artwork.data, artwork.x, artwork.y, artwork.y < displayer.height ? (GDS_IMAGE_RIGHT | GDS_IMAGE_TOP) : GDS_IMAGE_CENTER); i++) {
LOG_WARN("JPEG decoding error, pass %d", i+1);
}
xSemaphoreGive(displayer.mutex);
free(artwork.data);
artwork.data = NULL;
}