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jpegformat: Use codecparsers' for JPEG markers.

Browse source 
Instead of repeating JPEG markers definition, this patch uses those
defined in gstcodecparsers library.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1473>
This commit is contained in:
Víctor Manuel Jáquez Leal 2021-12-22 18:13:17 +01:00
parent 547d324325
commit 17046fc1ad
5 changed files with 79 additions and 158 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

99
subprojects/gst-plugins-bad/gst/jpegformat/gstjifmux.c
View file

@ -57,6 +57,7 @@ gst-launch-1.0 videotestsrc num-buffers=1 ! jpegenc ! taginject tags="comment=te
#include <string.h>
#include <gst/base/gstbytereader.h>
#include <gst/base/gstbytewriter.h>
#include <gst/codecparsers/gstjpegparser.h>
#include <gst/tag/tag.h>
#include <gst/tag/xmpwriter.h>
@ -281,20 +282,20 @@ gst_jif_mux_parse_image (GstJifMux * self, GstBuffer * buf)
goto error;
switch (marker) {
case RST0:
case RST1:
case RST2:
case RST3:
case RST4:
case RST5:
case RST6:
case RST7:
case SOI:
case GST_JPEG_MARKER_RST0:
case GST_JPEG_MARKER_RST1:
case GST_JPEG_MARKER_RST2:
case GST_JPEG_MARKER_RST3:
case GST_JPEG_MARKER_RST4:
case GST_JPEG_MARKER_RST5:
case GST_JPEG_MARKER_RST6:
case GST_JPEG_MARKER_RST7:
case GST_JPEG_MARKER_SOI:
GST_DEBUG_OBJECT (self, "marker = %x", marker);
m = gst_jif_mux_new_marker (marker, 0, NULL, FALSE);
self->markers = g_list_prepend (self->markers, m);
break;
case EOI:
case GST_JPEG_MARKER_EOI:
GST_DEBUG_OBJECT (self, "marker = %x", marker);
m = gst_jif_mux_new_marker (marker, 0, NULL, FALSE);
self->markers = g_list_prepend (self->markers, m);
@ -312,14 +313,15 @@ gst_jif_mux_parse_image (GstJifMux * self, GstBuffer * buf)
break;
}
if (marker == SOS) {
if (marker == GST_JPEG_MARKER_SOS) {
gint eoi_pos = -1;
gint i;
/* search the last 5 bytes for the EOI marker */
g_assert (map.size >= 5);
for (i = 5; i >= 2; i--) {
if (map.data[map.size - i] == 0xFF && map.data[map.size - i + 1] == EOI) {
if (map.data[map.size - i] == 0xFF
&& map.data[map.size - i + 1] == GST_JPEG_MARKER_EOI) {
eoi_pos = map.size - i;
break;
}
@ -388,7 +390,7 @@ gst_jif_mux_mangle_markers (GstJifMux * self)
m = (GstJifMuxMarker *) node->data;
switch (m->marker) {
case APP0:
case GST_JPEG_MARKER_APP0:
if (m->size > 5 && !memcmp (m->data, "JFIF\0", 5)) {
GST_DEBUG_OBJECT (self, "found APP0 JFIF");
colorspace |= COLORSPACE_GRAYSCALE | COLORSPACE_YUV;
@ -396,7 +398,7 @@ gst_jif_mux_mangle_markers (GstJifMux * self)
app0_jfif = node;
}
break;
case APP1:
case GST_JPEG_MARKER_APP1:
if (m->size > 6 && (!memcmp (m->data, "EXIF\0\0", 6) ||
!memcmp (m->data, "Exif\0\0", 6))) {
GST_DEBUG_OBJECT (self, "found APP1 EXIF");
@ -409,7 +411,7 @@ gst_jif_mux_mangle_markers (GstJifMux * self)
app1_xmp = node;
}
break;
case APP14:
case GST_JPEG_MARKER_APP14:
/* check if this contains RGB */
/*
* This marker should have:
@ -441,32 +443,32 @@ gst_jif_mux_mangle_markers (GstJifMux * self)
}
break;
case COM:
case GST_JPEG_MARKER_COM:
GST_INFO_OBJECT (self, "found COM, will be replaced");
if (!com)
com = node;
break;
case DQT:
case SOF0:
case SOF1:
case SOF2:
case SOF3:
case SOF5:
case SOF6:
case SOF7:
case SOF9:
case SOF10:
case SOF11:
case SOF13:
case SOF14:
case SOF15:
case GST_JPEG_MARKER_DQT:
case GST_JPEG_MARKER_SOF0:
case GST_JPEG_MARKER_SOF1:
case GST_JPEG_MARKER_SOF2:
case GST_JPEG_MARKER_SOF3:
case GST_JPEG_MARKER_SOF5:
case GST_JPEG_MARKER_SOF6:
case GST_JPEG_MARKER_SOF7:
case GST_JPEG_MARKER_SOF9:
case GST_JPEG_MARKER_SOF10:
case GST_JPEG_MARKER_SOF11:
case GST_JPEG_MARKER_SOF13:
case GST_JPEG_MARKER_SOF14:
case GST_JPEG_MARKER_SOF15:
if (!frame_hdr)
frame_hdr = node;
break;
case DAC:
case DHT:
case DRI:
case SOS:
case GST_JPEG_MARKER_DAC:
case GST_JPEG_MARKER_DHT:
case GST_JPEG_MARKER_DRI:
case GST_JPEG_MARKER_SOS:
if (!scan_hdr)
scan_hdr = node;
break;
@ -477,6 +479,7 @@ gst_jif_mux_mangle_markers (GstJifMux * self)
/* check if we don't have JFIF APP0 */
if (!app0_jfif && (colorspace & (COLORSPACE_GRAYSCALE | COLORSPACE_YUV))) {
/* build jfif header */
/* *INDENT-OFF* */
static const struct
{
gchar id[5];
@ -484,13 +487,16 @@ gst_jif_mux_mangle_markers (GstJifMux * self)
guint8 du;
guint8 xd[2], yd[2];
guint8 tw, th;
} jfif_data = {
"JFIF", {
1, 2}, 0, {
0, 1}, /* FIXME: check pixel-aspect from caps */
{
0, 1}, 0, 0};
m = gst_jif_mux_new_marker (APP0, sizeof (jfif_data),
} jfif_data = { "JFIF",
{ 1, 2 },
0,
{ 0, 1 }, /* FIXME: check pixel-aspect from caps */
{ 0, 1 },
0, 0
};
/* *INDENT-ON* */
m = gst_jif_mux_new_marker (GST_JPEG_MARKER_APP0, sizeof (jfif_data),
(const guint8 *) &jfif_data, FALSE);
/* insert into self->markers list */
self->markers = g_list_insert (self->markers, m, 1);
@ -538,7 +544,8 @@ gst_jif_mux_mangle_markers (GstJifMux * self)
data = g_malloc0 (exif_size + 6);
memcpy (data, "Exif", 4);
gst_buffer_extract (exif_data, 0, data + 6, exif_size);
m = gst_jif_mux_new_marker (APP1, exif_size + 6, data, TRUE);
m = gst_jif_mux_new_marker (GST_JPEG_MARKER_APP1, exif_size + 6, data,
TRUE);
gst_buffer_unref (exif_data);
if (app1_exif) {
@ -574,7 +581,7 @@ gst_jif_mux_mangle_markers (GstJifMux * self)
data = g_malloc (size + 29);
memcpy (data, "http://ns.adobe.com/xap/1.0/\0", 29);
gst_buffer_extract (xmp_data, 0, &data[29], size);
m = gst_jif_mux_new_marker (APP1, size + 29, data, TRUE);
m = gst_jif_mux_new_marker (GST_JPEG_MARKER_APP1, size + 29, data, TRUE);
/*
* Replace the old xmp marker and not add a new one.
@ -608,8 +615,8 @@ gst_jif_mux_mangle_markers (GstJifMux * self)
if (str) {
GST_DEBUG_OBJECT (self, "set COM marker to '%s'", str);
/* insert new marker into self->markers list */
m = gst_jif_mux_new_marker (COM, strlen (str) + 1, (const guint8 *) str,
TRUE);
m = gst_jif_mux_new_marker (GST_JPEG_MARKER_COM, strlen (str) + 1,
(const guint8 *) str, TRUE);
/* FIXME: if we have one already, replace */
/* this should go before SOS, maybe at the end of file-header */
self->markers = g_list_insert_before (self->markers, frame_hdr, m);
@ -672,7 +679,7 @@ gst_jif_mux_recombine_image (GstJifMux * self, GstBuffer ** new_buf,
writer_status &= gst_byte_writer_put_data (writer, m->data, m->size);
}
if (m->marker == SOS) {
if (m->marker == GST_JPEG_MARKER_SOS) {
GST_DEBUG_OBJECT (self, "scan data, size = %u", self->scan_size);
writer_status &=
gst_byte_writer_put_data (writer, self->scan_data, self->scan_size);

2
subprojects/gst-plugins-bad/gst/jpegformat/gstjifmux.h
View file

@ -25,8 +25,6 @@
#include <gst/gst.h>
#include "gstjpegformat.h"
G_BEGIN_DECLS
#define GST_TYPE_JIF_MUX \

92
subprojects/gst-plugins-bad/gst/jpegformat/gstjpegformat.h
View file

@ -1,92 +0,0 @@
/* GStreamer
*
* jpegformat: a plugin for JPEG Interchange Format
*
* Copyright (C) <2010> Stefan Kost <ensonic@users.sf.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_JPEG_FORMAT_H__
#define __GST_JPEG_FORMAT_H__
G_BEGIN_DECLS
/*
* JPEG Markers
*/
/* Start Of Frame markers, non-differential, Huffman coding */
#define SOF0 0xc0 /* Baseline DCT */
#define SOF1 0xc1 /* Extended sequential DCT */
#define SOF2 0xc2 /* Progressive DCT */
#define SOF3 0xc3 /* Lossless */
/* Start Of Frame markers, differential, Huffman coding */
#define SOF5 0xc5
#define SOF6 0xc6
#define SOF7 0xc7
/* Start Of Frame markers, non-differential, arithmetic coding */
#define JPG 0xc8 /* Reserved */
#define SOF9 0xc9
#define SOF10 0xca
#define SOF11 0xcb
/* Start Of Frame markers, differential, arithmetic coding */
#define SOF13 0xcd
#define SOF14 0xce
#define SOF15 0xcf
/* Restart interval termination */
#define RST0 0xd0 /* Restart ... */
#define RST1 0xd1
#define RST2 0xd2
#define RST3 0xd3
#define RST4 0xd4
#define RST5 0xd5
#define RST6 0xd6
#define RST7 0xd7
#define SOI 0xd8 /* Start of image */
#define EOI 0xd9 /* End Of Image */
#define SOS 0xda /* Start Of Scan */
#define DHT 0xc4 /* Huffman Table(s) */
#define DAC 0xcc /* Algorithmic Coding Table */
#define DQT 0xdb /* Quantisation Table(s) */
#define DNL 0xdc /* Number of lines */
#define DRI 0xdd /* Restart Interval */
#define DHP 0xde /* Hierarchical progression */
#define EXP 0xdf
#define APP0 0xe0 /* Application marker */
#define APP1 0xe1
#define APP2 0xe2
#define APP13 0xed
#define APP14 0xee
#define APP15 0xef
#define JPG0 0xf0 /* Reserved ... */
#define JPG13 0xfd
#define COM 0xfe /* Comment */
#define TEM 0x01
G_END_DECLS
#endif /* __GST_JPEG_FORMAT_H__ */

40
subprojects/gst-plugins-bad/gst/jpegformat/gstjpegparse.c
View file

@ -50,10 +50,14 @@
#include <string.h>
#include <gst/base/gstbytereader.h>
#include <gst/codecparsers/gstjpegparser.h>
#include <gst/tag/tag.h>
#include "gstjpegparse.h"
#include "gstjpegformat.h"
#define GST_JPEG_MARKER_JPG 0xC8
#define GST_JPEG_MARKER_JPG0 0xF0
#define GST_JPEG_MARKER_JPG13 0xFD
static GstStaticPadTemplate gst_jpeg_parse_src_pad_template =
GST_STATIC_PAD_TEMPLATE ("src",
@ -185,7 +189,8 @@ gst_jpeg_parse_skip_to_jpeg_header (GstJpegParse * parse, GstMapInfo * mapinfo,
static inline gboolean
gst_jpeg_parse_parse_tag_has_entropy_segment (guint8 tag)
{
if (tag == SOS || (tag >= RST0 && tag <= RST7))
if (tag == GST_JPEG_MARKER_SOS
|| (tag >= GST_JPEG_MARKER_RST0 && tag <= GST_JPEG_MARKER_RST7))
return TRUE;
return FALSE;
}
@ -427,7 +432,7 @@ gst_jpeg_parse_skip_marker (GstJpegParse * parse,
#ifndef GST_DISABLE_GST_DEBUG
/* We'd pry the id of the skipped application segment */
if (marker >= APP0 && marker <= APP15) {
if (marker >= GST_JPEG_MARKER_APP0 && marker <= GST_JPEG_MARKER_APP15) {
const gchar *id_str = NULL;
if (gst_byte_reader_peek_string_utf8 (reader, &id_str)) {
@ -511,7 +516,7 @@ gst_jpeg_parse_app1 (GstJpegParse * parse, GstByteReader * reader)
gst_tag_list_from_exif_buffer_with_tiff_header);
GST_LOG_OBJECT (parse, "parsed marker %x: '%s' %u bytes",
APP1, id_str, size);
GST_JPEG_MARKER_APP1, id_str, size);
} else if (!strncmp (id_str, "http://ns.adobe.com/xap/1.0/", 28)) {
@ -528,13 +533,13 @@ gst_jpeg_parse_app1 (GstJpegParse * parse, GstByteReader * reader)
gst_tag_list_from_xmp_buffer);
GST_LOG_OBJECT (parse, "parsed marker %x: '%s' %u bytes",
APP1, id_str, size);
GST_JPEG_MARKER_APP1, id_str, size);
} else {
/* restore the byte position and size */
reader->size += 2;
reader->byte -= 2;
if (!gst_jpeg_parse_skip_marker (parse, reader, APP1))
if (!gst_jpeg_parse_skip_marker (parse, reader, GST_JPEG_MARKER_APP1))
return FALSE;
}
@ -602,35 +607,35 @@ gst_jpeg_parse_read_header (GstJpegParse * parse, GstMapInfo * map, gint len)
GST_DEBUG_OBJECT (parse, "marker = %x", marker);
switch (marker) {
case SOS: /* start of scan (begins compressed data) */
case GST_JPEG_MARKER_SOS: /* start of scan (begins compressed data) */
goto done;
case SOI:
case GST_JPEG_MARKER_SOI:
break;
case DRI:
case GST_JPEG_MARKER_DRI:
if (!gst_byte_reader_skip (&reader, 4)) /* fixed size */
goto error;
break;
case COM:
case GST_JPEG_MARKER_COM:
if (!gst_jpeg_parse_com (parse, &reader))
goto error;
break;
case APP1:
case GST_JPEG_MARKER_APP1:
if (!gst_jpeg_parse_app1 (parse, &reader))
goto error;
break;
case DHT:
case DQT:
case GST_JPEG_MARKER_DHT:
case GST_JPEG_MARKER_DQT:
/* Ignore these codes */
if (!gst_jpeg_parse_skip_marker (parse, &reader, marker))
goto error;
break;
case SOF0:
case GST_JPEG_MARKER_SOF0:
/* parse Start Of Frame */
if (!gst_jpeg_parse_sof (parse, &reader))
goto error;
@ -639,8 +644,11 @@ gst_jpeg_parse_read_header (GstJpegParse * parse, GstMapInfo * map, gint len)
goto done;
default:
if (marker == JPG || (marker >= JPG0 && marker <= JPG13) ||
(marker >= APP0 && marker <= APP15)) {
if (marker == GST_JPEG_MARKER_JPG
|| (marker >= GST_JPEG_MARKER_JPG0
&& marker <= GST_JPEG_MARKER_JPG13)
|| (marker >= GST_JPEG_MARKER_APP0
&& marker <= GST_JPEG_MARKER_APP15)) {
if (!gst_jpeg_parse_skip_marker (parse, &reader, marker))
goto error;
} else

4
subprojects/gst-plugins-bad/gst/jpegformat/meson.build
View file

@ -6,9 +6,9 @@ jpegf_sources = [
gstjpegformat = library('gstjpegformat',
jpegf_sources,
c_args : gst_plugins_bad_args,
c_args : gst_plugins_bad_args + [ '-DGST_USE_UNSTABLE_API' ],
include_directories : [configinc],
dependencies : [gstbase_dep, gsttag_dep],
dependencies : [gstbase_dep, gstcodecparsers_dep, gsttag_dep],
install : true,
install_dir : plugins_install_dir,
)