mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-26 03:31:05 +00:00
Code Issues 1 Projects Releases Wiki Activity

codecparsers: Implement the jpeg bit code writer

Browse source 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6022>
This commit is contained in:
He Junyan 2024-01-30 23:14:39 +08:00 committed by GStreamer Marge Bot
parent 81e7bde67c
commit 281679a54a
3 changed files with 581 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

504
subprojects/gst-plugins-bad/gst-libs/gst/codecparsers/gstjpegbitwriter.c Normal file
View file

@ -0,0 +1,504 @@
/* 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;
}

76
subprojects/gst-plugins-bad/gst-libs/gst/codecparsers/gstjpegbitwriter.h Normal file
View file

@ -0,0 +1,76 @@
/* 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.
*/
#ifndef __GST_JPEG_BIT_WRITER_H__
#define __GST_JPEG_BIT_WRITER_H__
#include <gst/codecparsers/gstjpegparser.h>
#include <gst/codecparsers/codecparsers-prelude.h>
G_BEGIN_DECLS
/**
* GstJpegBitWriterResult:
* @GST_JPEG_BIT_WRITER_OK: The writing succeeded
* @GST_JPEG_BIT_WRITER_INVALID_DATA: The input data to write is invalid
* @GST_JPEG_BIT_WRITER_NO_MORE_SPACE: The output does not have enough size
* @GST_JPEG_BIT_WRITER_ERROR: An general error occurred when writing
*
* The result of writing JPEG data into bit stream.
*
* Since: 1.24
*/
typedef enum
{
GST_JPEG_BIT_WRITER_OK,
GST_JPEG_BIT_WRITER_INVALID_DATA,
GST_JPEG_BIT_WRITER_NO_MORE_SPACE,
GST_JPEG_BIT_WRITER_ERROR
} GstJpegBitWriterResult;
G_END_DECLS
GST_CODEC_PARSERS_API
GstJpegBitWriterResult gst_jpeg_bit_writer_frame_header (const GstJpegFrameHdr * frame_hdr,
GstJpegMarker marker,
guint8 * data,
guint * size);
GST_CODEC_PARSERS_API
GstJpegBitWriterResult gst_jpeg_bit_writer_scan_header (const GstJpegScanHdr * scan_hdr,
guint8 * data,
guint * size);
GST_CODEC_PARSERS_API
GstJpegBitWriterResult gst_jpeg_bit_writer_huffman_table (const GstJpegHuffmanTables * huff_tables,
guint8 * data,
guint * size);
GST_CODEC_PARSERS_API
GstJpegBitWriterResult gst_jpeg_bit_writer_quantization_table (const GstJpegQuantTables * quant_tables,
guint8 * data,
guint * size);
GST_CODEC_PARSERS_API
GstJpegBitWriterResult gst_jpeg_bit_writer_restart_interval (guint16 interval,
guint8 * data,
guint * size);
GST_CODEC_PARSERS_API
GstJpegBitWriterResult gst_jpeg_bit_writer_segment_with_data (GstJpegMarker marker,
guint8 * seg_data,
guint seg_size,
guint8 * data,
guint * size);
#endif /* __GST_JPEG_BIT_WRITER_H__ */

1
subprojects/gst-plugins-bad/gst-libs/gst/codecparsers/meson.build
View file

@ -20,6 +20,7 @@ codecparser_sources = files([
'gsth265bitwriter.c',
'gstav1bitwriter.c',
'gstvp9bitwriter.c',
'gstjpegbitwriter.c',
])
codecparser_headers = [
'codecparsers-prelude.h',