mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-14 12:26:36 +00:00
504 lines
14 KiB
C
504 lines
14 KiB
C
/* GStreamer
|
|
* Copyright (C) 2024 Intel Corporation
|
|
* Author: He Junyan <junyan.he@intel.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the0
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
/* TODO: Add the support for the "differential mode(lossless mode)",
|
|
"arithmetic mode" and "progressive mode". */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "gstjpegbitwriter.h"
|
|
#include <gst/base/gstbytewriter.h>
|
|
|
|
#define WRITE_BYTE_UNCHECK(bw, val) gst_byte_writer_put_uint8 (bw, val)
|
|
#define WRITE_BYTE(bw, val) \
|
|
if (!WRITE_BYTE_UNCHECK (bw, val)) { \
|
|
have_space = FALSE; \
|
|
goto error; \
|
|
}
|
|
|
|
/***************************** End of Utils ****************************/
|
|
/**
|
|
* gst_jpeg_bit_writer_frame_header:
|
|
* @frame_hdr: the frame header of #GstJpegFrameHdr to write
|
|
* @marker: the #GstJpegMarker id for this segment
|
|
* @data: (out): the bit stream generated by this frame header
|
|
* @size: (inout): the size in bytes of the input and output
|
|
*
|
|
* Generating the according JPEG bit stream by providing the frame header.
|
|
*
|
|
* Returns: a #GstJpegBitWriterResult
|
|
*
|
|
* Since: 1.26
|
|
**/
|
|
GstJpegBitWriterResult
|
|
gst_jpeg_bit_writer_frame_header (const GstJpegFrameHdr * frame_hdr,
|
|
GstJpegMarker marker, guint8 * data, guint * size)
|
|
{
|
|
gboolean have_space = TRUE;
|
|
GstByteWriter bw;
|
|
guint total_size, value;
|
|
guint i;
|
|
|
|
g_return_val_if_fail (frame_hdr != NULL, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (marker >= GST_JPEG_MARKER_SOF_MIN
|
|
&& marker <= GST_JPEG_MARKER_SOF_MAX, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (data != NULL, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (size != NULL, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (*size > 0, GST_JPEG_BIT_WRITER_ERROR);
|
|
|
|
gst_byte_writer_init_with_data (&bw, data, *size, FALSE);
|
|
|
|
/* marker */
|
|
WRITE_BYTE (&bw, 0xff);
|
|
WRITE_BYTE (&bw, marker);
|
|
|
|
total_size = 2;
|
|
|
|
if (frame_hdr->num_components > GST_JPEG_MAX_SCAN_COMPONENTS)
|
|
goto error;
|
|
|
|
total_size += (1 + 2 + 2 + 1);
|
|
total_size += frame_hdr->num_components * (1 + 1 + 1);
|
|
|
|
/* S1 and S2 */
|
|
WRITE_BYTE (&bw, (total_size >> 8) & 0xff);
|
|
WRITE_BYTE (&bw, total_size & 0xff);
|
|
|
|
WRITE_BYTE (&bw, frame_hdr->sample_precision);
|
|
|
|
if (!gst_byte_writer_put_uint16_be (&bw, frame_hdr->height)) {
|
|
have_space = FALSE;
|
|
goto error;
|
|
}
|
|
if (!gst_byte_writer_put_uint16_be (&bw, frame_hdr->width)) {
|
|
have_space = FALSE;
|
|
goto error;
|
|
}
|
|
|
|
WRITE_BYTE (&bw, frame_hdr->num_components);
|
|
|
|
for (i = 0; i < frame_hdr->num_components; i++) {
|
|
WRITE_BYTE (&bw, frame_hdr->components[i].identifier);
|
|
|
|
if (frame_hdr->components[i].horizontal_factor > 4
|
|
|| frame_hdr->components[i].vertical_factor > 4
|
|
|| frame_hdr->components[i].quant_table_selector >= 4)
|
|
goto error;
|
|
|
|
value = (frame_hdr->components[i].horizontal_factor & 0x0F) << 4 |
|
|
(frame_hdr->components[i].vertical_factor & 0x0F);
|
|
WRITE_BYTE (&bw, value);
|
|
|
|
WRITE_BYTE (&bw, frame_hdr->components[i].quant_table_selector);
|
|
}
|
|
|
|
*size = gst_byte_writer_get_size (&bw);
|
|
gst_byte_writer_reset (&bw);
|
|
|
|
return GST_JPEG_BIT_WRITER_OK;
|
|
|
|
error:
|
|
gst_byte_writer_reset (&bw);
|
|
*size = 0;
|
|
return have_space ? GST_JPEG_BIT_WRITER_INVALID_DATA :
|
|
GST_JPEG_BIT_WRITER_NO_MORE_SPACE;
|
|
}
|
|
|
|
/**
|
|
* gst_jpeg_bit_writer_scan_header:
|
|
* @frame_hdr: the scan header of #GstJpegScanHdr to write
|
|
* @data: (out): the bit stream generated by this scan header
|
|
* @size: (inout): the size in bytes of the input and output
|
|
*
|
|
* Generating the according JPEG bit stream by providing the scan header.
|
|
*
|
|
* Returns: a #GstJpegBitWriterResult
|
|
*
|
|
* Since: 1.26
|
|
**/
|
|
GstJpegBitWriterResult
|
|
gst_jpeg_bit_writer_scan_header (const GstJpegScanHdr * scan_hdr,
|
|
guint8 * data, guint * size)
|
|
{
|
|
gboolean have_space = TRUE;
|
|
GstByteWriter bw;
|
|
guint total_size, value;
|
|
guint i;
|
|
|
|
g_return_val_if_fail (scan_hdr != NULL, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (data != NULL, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (size != NULL, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (*size > 0, GST_JPEG_BIT_WRITER_ERROR);
|
|
|
|
gst_byte_writer_init_with_data (&bw, data, *size, FALSE);
|
|
|
|
/* marker */
|
|
WRITE_BYTE (&bw, 0xff);
|
|
WRITE_BYTE (&bw, GST_JPEG_MARKER_SOS);
|
|
|
|
total_size = 2;
|
|
|
|
if (scan_hdr->num_components > GST_JPEG_MAX_SCAN_COMPONENTS)
|
|
goto error;
|
|
|
|
total_size += 1;
|
|
total_size += scan_hdr->num_components * (1 + 1);
|
|
total_size += 3;
|
|
|
|
/* S1 and S2 */
|
|
WRITE_BYTE (&bw, (total_size >> 8) & 0xff);
|
|
WRITE_BYTE (&bw, total_size & 0xff);
|
|
|
|
WRITE_BYTE (&bw, scan_hdr->num_components);
|
|
|
|
for (i = 0; i < scan_hdr->num_components; i++) {
|
|
WRITE_BYTE (&bw, scan_hdr->components[i].component_selector);
|
|
|
|
if (scan_hdr->components[i].dc_selector >= 4
|
|
|| scan_hdr->components[i].ac_selector >= 4)
|
|
goto error;
|
|
|
|
value = (scan_hdr->components[i].dc_selector & 0x0F) << 4 |
|
|
(scan_hdr->components[i].ac_selector & 0x0F);
|
|
WRITE_BYTE (&bw, value);
|
|
}
|
|
|
|
/* Not use: Ss, Se, Ah, Al */
|
|
WRITE_BYTE (&bw, 0);
|
|
WRITE_BYTE (&bw, 0);
|
|
WRITE_BYTE (&bw, 0);
|
|
|
|
*size = gst_byte_writer_get_size (&bw);
|
|
gst_byte_writer_reset (&bw);
|
|
|
|
return GST_JPEG_BIT_WRITER_OK;
|
|
|
|
error:
|
|
gst_byte_writer_reset (&bw);
|
|
*size = 0;
|
|
return have_space ? GST_JPEG_BIT_WRITER_INVALID_DATA :
|
|
GST_JPEG_BIT_WRITER_NO_MORE_SPACE;
|
|
}
|
|
|
|
/**
|
|
* gst_jpeg_bit_writer_huffman_table:
|
|
* @huff_tables: the huffman tables of #GstJpegHuffmanTables to write
|
|
* @data: (out): the bit stream generated by the huffman tables
|
|
* @size: (inout): the size in bytes of the input and output
|
|
*
|
|
* Generating the according JPEG bit stream by providing the huffman tables.
|
|
*
|
|
* Returns: a #GstJpegBitWriterResult
|
|
*
|
|
* Since: 1.26
|
|
**/
|
|
GstJpegBitWriterResult
|
|
gst_jpeg_bit_writer_huffman_table (const GstJpegHuffmanTables * huff_tables,
|
|
guint8 * data, guint * size)
|
|
{
|
|
gboolean have_space = TRUE;
|
|
GstByteWriter bw;
|
|
const GstJpegHuffmanTable *huf_table;
|
|
guint32 value_count;
|
|
guint total_size, value;
|
|
guint i, j, k;
|
|
|
|
g_return_val_if_fail (huff_tables != NULL, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (data != NULL, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (size != NULL, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (*size > 0, GST_JPEG_BIT_WRITER_ERROR);
|
|
|
|
gst_byte_writer_init_with_data (&bw, data, *size, FALSE);
|
|
|
|
/* marker */
|
|
WRITE_BYTE (&bw, 0xff);
|
|
WRITE_BYTE (&bw, GST_JPEG_MARKER_DHT);
|
|
|
|
total_size = 2;
|
|
|
|
for (i = 0; i < GST_JPEG_MAX_SCAN_COMPONENTS; i++) {
|
|
for (j = 0; j < 2; j++) { /* DC or AC */
|
|
huf_table =
|
|
(j == 0 ? &huff_tables->dc_tables[i] : &huff_tables->ac_tables[i]);
|
|
if (!huf_table->valid)
|
|
continue;
|
|
|
|
total_size += (1 + 16);
|
|
|
|
value_count = 0;
|
|
for (k = 0; k < 16; k++)
|
|
value_count += huf_table->huf_bits[k];
|
|
|
|
total_size += value_count;
|
|
}
|
|
}
|
|
|
|
/* S1 and S2 */
|
|
WRITE_BYTE (&bw, (total_size >> 8) & 0xff);
|
|
WRITE_BYTE (&bw, total_size & 0xff);
|
|
|
|
for (i = 0; i < GST_JPEG_MAX_SCAN_COMPONENTS; i++) {
|
|
for (j = 0; j < 2; j++) { /* DC or AC */
|
|
huf_table =
|
|
(j == 0 ? &huff_tables->dc_tables[i] : &huff_tables->ac_tables[i]);
|
|
if (!huf_table->valid)
|
|
continue;
|
|
|
|
/* table class and index */
|
|
value = (j & 0x0F) << 4 | (i & 0x0F);
|
|
WRITE_BYTE (&bw, value);
|
|
|
|
if (!gst_byte_writer_put_data (&bw, huf_table->huf_bits, 16)) {
|
|
have_space = FALSE;
|
|
goto error;
|
|
}
|
|
|
|
value_count = 0;
|
|
for (k = 0; k < 16; k++)
|
|
value_count += huf_table->huf_bits[k];
|
|
|
|
if (!gst_byte_writer_put_data (&bw, huf_table->huf_values, value_count)) {
|
|
have_space = FALSE;
|
|
goto error;
|
|
}
|
|
}
|
|
}
|
|
|
|
*size = gst_byte_writer_get_size (&bw);
|
|
gst_byte_writer_reset (&bw);
|
|
|
|
return GST_JPEG_BIT_WRITER_OK;
|
|
|
|
error:
|
|
gst_byte_writer_reset (&bw);
|
|
*size = 0;
|
|
return have_space ? GST_JPEG_BIT_WRITER_INVALID_DATA :
|
|
GST_JPEG_BIT_WRITER_NO_MORE_SPACE;
|
|
}
|
|
|
|
/**
|
|
* gst_jpeg_bit_writer_quantization_table:
|
|
* @quant_tables: the quantization tables of #GstJpegQuantTables to write
|
|
* @data: (out): the bit stream generated by the quantization tables
|
|
* @size: (inout): the size in bytes of the input and output
|
|
*
|
|
* Generating the according JPEG bit stream by providing the quantization tables.
|
|
*
|
|
* Returns: a #GstJpegBitWriterResult
|
|
*
|
|
* Since: 1.26
|
|
**/
|
|
GstJpegBitWriterResult
|
|
gst_jpeg_bit_writer_quantization_table (const GstJpegQuantTables * quant_tables,
|
|
guint8 * data, guint * size)
|
|
{
|
|
gboolean have_space = TRUE;
|
|
GstByteWriter bw;
|
|
const GstJpegQuantTable *quant_table;
|
|
guint total_size, value;
|
|
guint i, j;
|
|
|
|
g_return_val_if_fail (quant_tables != NULL, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (data != NULL, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (size != NULL, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (*size > 0, GST_JPEG_BIT_WRITER_ERROR);
|
|
|
|
gst_byte_writer_init_with_data (&bw, data, *size, FALSE);
|
|
|
|
/* marker */
|
|
WRITE_BYTE (&bw, 0xff);
|
|
WRITE_BYTE (&bw, GST_JPEG_MARKER_DQT);
|
|
|
|
total_size = 2;
|
|
|
|
for (i = 0; i < GST_JPEG_MAX_SCAN_COMPONENTS; i++) {
|
|
guint32 element_size;
|
|
|
|
quant_table = &quant_tables->quant_tables[i];
|
|
if (!quant_table->valid)
|
|
continue;
|
|
|
|
element_size = (quant_table->quant_precision == 0) ? 1 : 2;
|
|
total_size += (1 + GST_JPEG_MAX_QUANT_ELEMENTS * element_size);
|
|
}
|
|
|
|
/* S1 and S2 */
|
|
WRITE_BYTE (&bw, (total_size >> 8) & 0xff);
|
|
WRITE_BYTE (&bw, total_size & 0xff);
|
|
|
|
for (i = 0; i < GST_JPEG_MAX_SCAN_COMPONENTS; i++) {
|
|
quant_table = &quant_tables->quant_tables[i];
|
|
if (!quant_table->valid)
|
|
continue;
|
|
|
|
value = ((quant_table->quant_precision & 0x0F) << 4) | (i & 0x0F);
|
|
WRITE_BYTE (&bw, value);
|
|
|
|
for (j = 0; j < GST_JPEG_MAX_QUANT_ELEMENTS; j++) {
|
|
if (!quant_table->quant_precision) { /* 8-bit values */
|
|
guint8 val = quant_table->quant_table[j];
|
|
WRITE_BYTE (&bw, val);
|
|
} else { /* 16-bit values */
|
|
if (!gst_byte_writer_put_uint16_be (&bw, quant_table->quant_table[j])) {
|
|
have_space = FALSE;
|
|
goto error;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
*size = gst_byte_writer_get_size (&bw);
|
|
gst_byte_writer_reset (&bw);
|
|
|
|
return GST_JPEG_BIT_WRITER_OK;
|
|
|
|
error:
|
|
gst_byte_writer_reset (&bw);
|
|
*size = 0;
|
|
return have_space ? GST_JPEG_BIT_WRITER_INVALID_DATA :
|
|
GST_JPEG_BIT_WRITER_NO_MORE_SPACE;
|
|
}
|
|
|
|
/**
|
|
* gst_jpeg_bit_writer_restart_interval:
|
|
* @interval: the interval value for restart
|
|
* @data: (out): the bit stream generated by the interval value
|
|
* @size: (inout): the size in bytes of the input and output
|
|
*
|
|
* Generating the according JPEG bit stream by providing the interval value.
|
|
*
|
|
* Returns: a #GstJpegBitWriterResult
|
|
*
|
|
* Since: 1.26
|
|
**/
|
|
GstJpegBitWriterResult
|
|
gst_jpeg_bit_writer_restart_interval (guint16 interval, guint8 * data,
|
|
guint * size)
|
|
{
|
|
gboolean have_space = TRUE;
|
|
GstByteWriter bw;
|
|
guint total_size;
|
|
|
|
g_return_val_if_fail (data != NULL, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (size != NULL, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (*size > 0, GST_JPEG_BIT_WRITER_ERROR);
|
|
|
|
gst_byte_writer_init_with_data (&bw, data, *size, FALSE);
|
|
|
|
/* marker */
|
|
WRITE_BYTE (&bw, 0xff);
|
|
WRITE_BYTE (&bw, GST_JPEG_MARKER_DRI);
|
|
|
|
total_size = 2;
|
|
total_size += 2;
|
|
|
|
/* S1 and S2 */
|
|
WRITE_BYTE (&bw, (total_size >> 8) & 0xff);
|
|
WRITE_BYTE (&bw, total_size & 0xff);
|
|
|
|
if (!gst_byte_writer_put_uint16_be (&bw, interval)) {
|
|
have_space = FALSE;
|
|
goto error;
|
|
}
|
|
|
|
*size = gst_byte_writer_get_size (&bw);
|
|
gst_byte_writer_reset (&bw);
|
|
|
|
return GST_JPEG_BIT_WRITER_OK;
|
|
|
|
error:
|
|
gst_byte_writer_reset (&bw);
|
|
*size = 0;
|
|
return have_space ? GST_JPEG_BIT_WRITER_INVALID_DATA :
|
|
GST_JPEG_BIT_WRITER_NO_MORE_SPACE;
|
|
}
|
|
|
|
/**
|
|
* gst_jpeg_bit_writer_segment_with_data:
|
|
* @marker: the #GstJpegMarker id for this segment
|
|
* @seg_data: (in) (allow-none): the user provided bit stream data
|
|
* @seg_size: (in): the size of the segment data
|
|
* @data: (out): the generated bit stream of this segment
|
|
* @size: (inout): the size in bytes of the input and output
|
|
*
|
|
* Generating the bit stream for a JPEG segment.
|
|
*
|
|
* Returns: a #GstJpegBitWriterResult
|
|
*
|
|
* Since: 1.26
|
|
**/
|
|
GstJpegBitWriterResult
|
|
gst_jpeg_bit_writer_segment_with_data (GstJpegMarker marker, guint8 * seg_data,
|
|
guint seg_size, guint8 * data, guint * size)
|
|
{
|
|
gboolean have_space = TRUE;
|
|
GstByteWriter bw;
|
|
guint total_size;
|
|
|
|
g_return_val_if_fail (marker >= GST_JPEG_MARKER_SOF0
|
|
&& marker <= GST_JPEG_MARKER_COM, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (data != NULL, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (size != NULL, GST_JPEG_BIT_WRITER_ERROR);
|
|
g_return_val_if_fail (*size > 0, GST_JPEG_BIT_WRITER_ERROR);
|
|
|
|
if (seg_data)
|
|
g_return_val_if_fail (seg_size > 0, GST_JPEG_BIT_WRITER_ERROR);
|
|
|
|
gst_byte_writer_init_with_data (&bw, data, *size, FALSE);
|
|
|
|
/* marker */
|
|
WRITE_BYTE (&bw, 0xff);
|
|
WRITE_BYTE (&bw, marker);
|
|
|
|
if (seg_size > 0) {
|
|
total_size = 2;
|
|
total_size += seg_size;
|
|
|
|
/* S1 and S2 */
|
|
WRITE_BYTE (&bw, (total_size >> 8) & 0xff);
|
|
WRITE_BYTE (&bw, total_size & 0xff);
|
|
|
|
/* Copy the user provided data. */
|
|
if (seg_data) {
|
|
if (!gst_byte_writer_put_data (&bw, seg_data, seg_size)) {
|
|
have_space = FALSE;
|
|
goto error;
|
|
}
|
|
} else {
|
|
if (!gst_byte_writer_fill (&bw, 0, seg_size)) {
|
|
have_space = FALSE;
|
|
goto error;
|
|
}
|
|
}
|
|
}
|
|
|
|
*size = gst_byte_writer_get_size (&bw);
|
|
gst_byte_writer_reset (&bw);
|
|
|
|
return GST_JPEG_BIT_WRITER_OK;
|
|
|
|
error:
|
|
gst_byte_writer_reset (&bw);
|
|
*size = 0;
|
|
return have_space ? GST_JPEG_BIT_WRITER_INVALID_DATA :
|
|
GST_JPEG_BIT_WRITER_NO_MORE_SPACE;
|
|
}
|