diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-jpeg.c')
-rw-r--r-- | drivers/media/v4l2-core/v4l2-jpeg.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/drivers/media/v4l2-core/v4l2-jpeg.c b/drivers/media/v4l2-core/v4l2-jpeg.c index 6e2647323522..36a0f1a1b0d9 100644 --- a/drivers/media/v4l2-core/v4l2-jpeg.c +++ b/drivers/media/v4l2-core/v4l2-jpeg.c @@ -711,83 +711,3 @@ int v4l2_jpeg_parse_header(void *buf, size_t len, struct v4l2_jpeg_header *out) return marker; } EXPORT_SYMBOL_GPL(v4l2_jpeg_parse_header); - -/** - * v4l2_jpeg_parse_frame_header - parse frame header - * @buf: address of the frame header, after the SOF0 marker - * @len: length of the frame header - * @frame_header: returns the parsed frame header - * - * Returns 0 or negative error if parsing failed. - */ -int v4l2_jpeg_parse_frame_header(void *buf, size_t len, - struct v4l2_jpeg_frame_header *frame_header) -{ - struct jpeg_stream stream; - - stream.curr = buf; - stream.end = stream.curr + len; - return jpeg_parse_frame_header(&stream, SOF0, frame_header); -} -EXPORT_SYMBOL_GPL(v4l2_jpeg_parse_frame_header); - -/** - * v4l2_jpeg_parse_scan_header - parse scan header - * @buf: address of the scan header, after the SOS marker - * @len: length of the scan header - * @scan_header: returns the parsed scan header - * - * Returns 0 or negative error if parsing failed. - */ -int v4l2_jpeg_parse_scan_header(void *buf, size_t len, - struct v4l2_jpeg_scan_header *scan_header) -{ - struct jpeg_stream stream; - - stream.curr = buf; - stream.end = stream.curr + len; - return jpeg_parse_scan_header(&stream, scan_header); -} -EXPORT_SYMBOL_GPL(v4l2_jpeg_parse_scan_header); - -/** - * v4l2_jpeg_parse_quantization_tables - parse quantization tables segment - * @buf: address of the quantization table segment, after the DQT marker - * @len: length of the quantization table segment - * @precision: sample precision (P) in bits per component - * @q_tables: returns four references into the buffer for the - * four possible quantization table destinations - * - * Returns 0 or negative error if parsing failed. - */ -int v4l2_jpeg_parse_quantization_tables(void *buf, size_t len, u8 precision, - struct v4l2_jpeg_reference *q_tables) -{ - struct jpeg_stream stream; - - stream.curr = buf; - stream.end = stream.curr + len; - return jpeg_parse_quantization_tables(&stream, precision, q_tables); -} -EXPORT_SYMBOL_GPL(v4l2_jpeg_parse_quantization_tables); - -/** - * v4l2_jpeg_parse_huffman_tables - parse huffman tables segment - * @buf: address of the Huffman table segment, after the DHT marker - * @len: length of the Huffman table segment - * @huffman_tables: returns four references into the buffer for the - * four possible Huffman table destinations, in - * the order DC0, DC1, AC0, AC1 - * - * Returns 0 or negative error if parsing failed. - */ -int v4l2_jpeg_parse_huffman_tables(void *buf, size_t len, - struct v4l2_jpeg_reference *huffman_tables) -{ - struct jpeg_stream stream; - - stream.curr = buf; - stream.end = stream.curr + len; - return jpeg_parse_huffman_tables(&stream, huffman_tables); -} -EXPORT_SYMBOL_GPL(v4l2_jpeg_parse_huffman_tables); |