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use JCS_EXT_BGR on libjpeg-turbo

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This commit is contained in:
Maxim Devaev
2024-04-04 15:20:16 +03:00
parent 75a193f997
commit 1ed39790ba
1 changed files with 15 additions and 1 deletions
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16
src/ustreamer/encoders/cpu/encoder.c
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@@ -40,7 +40,10 @@ static void _jpeg_set_dest_frame(j_compress_ptr jpeg, us_frame_s *frame);
static void _jpeg_write_scanlines_yuv(struct jpeg_compress_struct *jpeg, const us_frame_s *frame);
static void _jpeg_write_scanlines_rgb565(struct jpeg_compress_struct *jpeg, const us_frame_s *frame);
static void _jpeg_write_scanlines_rgb24(struct jpeg_compress_struct *jpeg, const us_frame_s *frame);
#ifndef JCS_EXTENSIONS
#warning JCS_EXT_BGR is not supported, please use libjpeg-turbo
static void _jpeg_write_scanlines_bgr24(struct jpeg_compress_struct *jpeg, const us_frame_s *frame);
#endif
static void _jpeg_init_destination(j_compress_ptr jpeg);
static boolean _jpeg_empty_output_buffer(j_compress_ptr jpeg);
@@ -67,6 +70,9 @@ void us_cpu_encoder_compress(const us_frame_s *src, us_frame_s *dest, unsigned q
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_YVYU:
case V4L2_PIX_FMT_UYVY: jpeg.in_color_space = JCS_YCbCr; break;
# ifdef JCS_EXTENSIONS
case V4L2_PIX_FMT_BGR24: jpeg.in_color_space = JCS_EXT_BGR; break;
# endif
default: jpeg.in_color_space = JCS_RGB; break;
}
@@ -82,7 +88,13 @@ void us_cpu_encoder_compress(const us_frame_s *src, us_frame_s *dest, unsigned q
case V4L2_PIX_FMT_UYVY: _jpeg_write_scanlines_yuv(&jpeg, src); break;
case V4L2_PIX_FMT_RGB565: _jpeg_write_scanlines_rgb565(&jpeg, src); break;
case V4L2_PIX_FMT_RGB24: _jpeg_write_scanlines_rgb24(&jpeg, src); break;
case V4L2_PIX_FMT_BGR24: _jpeg_write_scanlines_bgr24(&jpeg, src); break;
case V4L2_PIX_FMT_BGR24:
# ifdef JCS_EXTENSIONS
_jpeg_write_scanlines_rgb24(&jpeg, src); // Use native JCS_EXT_BGR
# else
_jpeg_write_scanlines_bgr24(&jpeg, src);
# endif
break;
default: assert(0 && "Unsupported input format for CPU encoder"); return;
}
@@ -196,6 +208,7 @@ static void _jpeg_write_scanlines_rgb24(struct jpeg_compress_struct *jpeg, const
}
}
#ifndef JCS_EXTENSIONS
static void _jpeg_write_scanlines_bgr24(struct jpeg_compress_struct *jpeg, const us_frame_s *frame) {
uint8_t *line_buf;
US_CALLOC(line_buf, frame->width * 3);
@@ -222,6 +235,7 @@ static void _jpeg_write_scanlines_bgr24(struct jpeg_compress_struct *jpeg, const
free(line_buf);
}
#endif
#define JPEG_OUTPUT_BUFFER_SIZE ((size_t)4096)