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openjpeg: Port OpenJPEG plugin to the 2.0 API

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This commit is contained in:
Sebastian Dröge 2013-10-02 10:55:30 +02:00
parent b002490ab2
commit c57be26ed9
7 changed files with 405 additions and 42 deletions
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15
configure.ac
View file

@ -1761,10 +1761,17 @@ dnl *** OpenJPEG ***
translit(dnm, m, l) AM_CONDITIONAL(USE_OPENJPEG, true)
AG_GST_CHECK_FEATURE(OPENJPEG, [openjpeg library], openjpeg, [
HAVE_OPENJPEG="no"
PKG_CHECK_MODULES(OPENJPEG, libopenjpeg1,
HAVE_OPENJPEG="yes",
AG_GST_CHECK_LIBHEADER(OPENJPEG, openjpeg, opj_version, , openjpeg.h, OPENJPEG_LIBS="-lopenjpeg")
)
AG_GST_CHECK_LIBHEADER(OPENJPEG, openjp2, opj_version, ,openjpeg-2.0/openjpeg.h, OPENJPEG_LIBS="-lopenjp2")
if test x"$HAVE_OPENJPEG" = x"no"; then
PKG_CHECK_MODULES(OPENJPEG, libopenjpeg1,
HAVE_OPENJPEG="yes",
AG_GST_CHECK_LIBHEADER(OPENJPEG, openjpeg, opj_version, , openjpeg.h, OPENJPEG_LIBS="-lopenjpeg")
)
if test x"$HAVE_OPENJPEG" = x"yes"; then
AC_DEFINE([HAVE_OPENJPEG_1], 1, [Define if OpenJPEG 1 is used])
fi
fi
AC_SUBST(OPENJPEG_CFLAGS)
AC_SUBST(OPENJPEG_LIBS)
])

3
ext/openjpeg/Makefile.am
View file

@ -11,4 +11,5 @@ libgstopenjpeg_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS)
noinst_HEADERS = \
gstopenjpegdec.h \
gstopenjpegenc.h
gstopenjpegenc.h \
gstopenjpeg.h

44
ext/openjpeg/gstopenjpeg.h Normal file
View file

@ -0,0 +1,44 @@
/*
* Copyright (C) 2013 Sebastian Dröge <slomo@circular-chaos.org>
*
* 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 the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef __GST_OPENJPEG_H__
#define __GST_OPENJPEG_H__
#ifdef HAVE_OPENJPEG_1
#include <openjpeg.h>
#define OPJ_CLRSPC_UNKNOWN CLRSPC_UNKNOWN
#define OPJ_CLRSPC_SRGB CLRSPC_SRGB
#define OPJ_CLRSPC_GRAY CLRSPC_GRAY
#define OPJ_CLRSPC_SYCC CLRSPC_SYCC
#define OPJ_CODEC_J2K CODEC_J2K
#define OPJ_CODEC_JP2 CODEC_JP2
#define OPJ_LRCP LRCP
#define OPJ_RLCP RLCP
#define OPJ_RPCL RPCL
#define OPJ_PCRL PCRL
#define OPJ_CPRL CPRL
#else
#include <stdio.h>
#include <openjpeg-2.0/openjpeg.h>
#endif
#endif /* __GST_OPENJPEG_H__ */

175
ext/openjpeg/gstopenjpegdec.c
View file

@ -1,6 +1,7 @@
/*
* Copyright (C) 2012 Collabora Ltd.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
* Copyright (C) 2013 Sebastian Dröge <slomo@circular-chaos.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@ -25,6 +26,8 @@
#include "gstopenjpegdec.h"
#include <string.h>
GST_DEBUG_CATEGORY_STATIC (gst_openjpeg_dec_debug);
#define GST_CAT_DEFAULT gst_openjpeg_dec_debug
@ -106,7 +109,9 @@ gst_openjpeg_dec_init (GstOpenJPEGDec * self)
gst_video_decoder_set_packetized (decoder, TRUE);
opj_set_default_decoder_parameters (&self->params);
#ifdef HAVE_OPENJPEG_1
self->params.cp_limit_decoding = NO_LIMITATION;
#endif
}
static gboolean
@ -153,16 +158,16 @@ gst_openjpeg_dec_set_format (GstVideoDecoder * decoder,
s = gst_caps_get_structure (state->caps, 0);
self->color_space = CLRSPC_UNKNOWN;
self->color_space = OPJ_CLRSPC_UNKNOWN;
if (gst_structure_has_name (s, "image/jp2")) {
self->codec_format = CODEC_JP2;
self->codec_format = OPJ_CODEC_JP2;
self->is_jp2c = FALSE;
} else if (gst_structure_has_name (s, "image/x-j2c")) {
self->codec_format = CODEC_J2K;
self->codec_format = OPJ_CODEC_J2K;
self->is_jp2c = TRUE;
} else if (gst_structure_has_name (s, "image/x-jpc")) {
self->codec_format = CODEC_J2K;
self->codec_format = OPJ_CODEC_J2K;
self->is_jp2c = FALSE;
} else {
g_return_val_if_reached (FALSE);
@ -170,11 +175,11 @@ gst_openjpeg_dec_set_format (GstVideoDecoder * decoder,
if ((color_space = gst_structure_get_string (s, "colorspace"))) {
if (g_str_equal (color_space, "sRGB"))
self->color_space = CLRSPC_SRGB;
self->color_space = OPJ_CLRSPC_SRGB;
else if (g_str_equal (color_space, "GRAY"))
self->color_space = CLRSPC_GRAY;
self->color_space = OPJ_CLRSPC_GRAY;
else if (g_str_equal (color_space, "sYUV"))
self->color_space = CLRSPC_SYCC;
self->color_space = OPJ_CLRSPC_SYCC;
}
self->ncomps = 0;
@ -650,11 +655,11 @@ gst_openjpeg_dec_negotiate (GstOpenJPEGDec * self, opj_image_t * image)
GstVideoFormat format;
gint width, height;
if (image->color_space == CLRSPC_UNKNOWN || image->color_space == 0)
if (image->color_space == OPJ_CLRSPC_UNKNOWN || image->color_space == 0)
image->color_space = self->color_space;
switch (image->color_space) {
case CLRSPC_SRGB:
case OPJ_CLRSPC_SRGB:
if (image->numcomps == 4) {
if (image->comps[0].dx != 1 || image->comps[0].dy != 1 ||
image->comps[1].dx != 1 || image->comps[1].dy != 1 ||
@ -699,7 +704,7 @@ gst_openjpeg_dec_negotiate (GstOpenJPEGDec * self, opj_image_t * image)
return GST_FLOW_NOT_NEGOTIATED;
}
break;
case CLRSPC_GRAY:
case OPJ_CLRSPC_GRAY:
if (image->numcomps == 1) {
if (image->comps[0].dx != 1 && image->comps[0].dy != 1) {
GST_ERROR_OBJECT (self, "Sub-sampling for GRAY not supported");
@ -727,7 +732,7 @@ gst_openjpeg_dec_negotiate (GstOpenJPEGDec * self, opj_image_t * image)
return GST_FLOW_NOT_NEGOTIATED;
}
break;
case CLRSPC_SYCC:
case OPJ_CLRSPC_SYCC:
if (image->numcomps != 3 && image->numcomps != 4) {
GST_ERROR_OBJECT (self, "Unsupported number of YUV components: %d",
image->numcomps);
@ -878,6 +883,69 @@ gst_openjpeg_dec_opj_info (const char *msg, void *userdata)
g_free (trimmed);
}
#ifndef HAVE_OPENJPEG_1
typedef struct
{
guint8 *data;
guint offset, size;
} MemStream;
static OPJ_SIZE_T
read_fn (void *p_buffer, OPJ_SIZE_T p_nb_bytes, void *p_user_data)
{
MemStream *mstream = p_user_data;
OPJ_SIZE_T read;
if (mstream->offset == mstream->size)
return -1;
if (mstream->offset + p_nb_bytes > mstream->size)
read = mstream->size - mstream->offset;
else
read = p_nb_bytes;
memcpy (p_buffer, mstream->data + mstream->offset, read);
mstream->offset += read;
return read;
}
static OPJ_SIZE_T
write_fn (void *p_buffer, OPJ_SIZE_T p_nb_bytes, void *p_user_data)
{
g_return_val_if_reached (-1);
}
static OPJ_OFF_T
skip_fn (OPJ_OFF_T p_nb_bytes, void *p_user_data)
{
MemStream *mstream = p_user_data;
OPJ_OFF_T skip;
if (mstream->offset + p_nb_bytes > mstream->size)
skip = mstream->size - mstream->offset;
else
skip = p_nb_bytes;
mstream->offset += skip;
return skip;
}
static OPJ_BOOL
seek_fn (OPJ_OFF_T p_nb_bytes, void *p_user_data)
{
MemStream *mstream = p_user_data;
if (p_nb_bytes > mstream->size)
return OPJ_FALSE;
mstream->offset = p_nb_bytes;
return OPJ_TRUE;
}
#endif
static GstFlowReturn
gst_openjpeg_dec_handle_frame (GstVideoDecoder * decoder,
GstVideoCodecFrame * frame)
@ -886,9 +954,14 @@ gst_openjpeg_dec_handle_frame (GstVideoDecoder * decoder,
GstFlowReturn ret = GST_FLOW_OK;
gint64 deadline;
GstMapInfo map;
#ifdef HAVE_OPENJPEG_1
opj_dinfo_t *dec;
opj_event_mgr_t callbacks;
opj_cio_t *io;
#else
opj_codec_t *dec;
opj_stream_t *stream;
MemStream mstream;
#endif
opj_image_t *image;
GstVideoFrame vframe;
opj_dparameters_t params;
@ -907,8 +980,11 @@ gst_openjpeg_dec_handle_frame (GstVideoDecoder * decoder,
if (!dec)
goto initialization_error;
#ifdef HAVE_OPENJPEG_1
if (G_UNLIKELY (gst_debug_category_get_threshold (GST_CAT_DEFAULT) >=
GST_LEVEL_TRACE)) {
opj_event_mgr_t callbacks;
callbacks.error_handler = gst_openjpeg_dec_opj_error;
callbacks.warning_handler = gst_openjpeg_dec_opj_warning;
callbacks.info_handler = gst_openjpeg_dec_opj_info;
@ -916,6 +992,18 @@ gst_openjpeg_dec_handle_frame (GstVideoDecoder * decoder,
} else {
opj_set_event_mgr ((opj_common_ptr) dec, NULL, NULL);
}
#else
if (G_UNLIKELY (gst_debug_category_get_threshold (GST_CAT_DEFAULT) >=
GST_LEVEL_TRACE)) {
opj_set_info_handler (dec, gst_openjpeg_dec_opj_info, self);
opj_set_warning_handler (dec, gst_openjpeg_dec_opj_warning, self);
opj_set_error_handler (dec, gst_openjpeg_dec_opj_error, self);
} else {
opj_set_info_handler (dec, NULL, NULL);
opj_set_warning_handler (dec, NULL, NULL);
opj_set_error_handler (dec, NULL, NULL);
}
#endif
params = self->params;
if (self->ncomps)
@ -925,6 +1013,7 @@ gst_openjpeg_dec_handle_frame (GstVideoDecoder * decoder,
if (!gst_buffer_map (frame->input_buffer, &map, GST_MAP_READ))
goto map_read_error;
#ifdef HAVE_OPENJPEG_1
io = opj_cio_open ((opj_common_ptr) dec, map.data + (self->is_jp2c ? 8 : 0),
map.size - (self->is_jp2c ? 8 : 0));
if (!io)
@ -933,6 +1022,29 @@ gst_openjpeg_dec_handle_frame (GstVideoDecoder * decoder,
image = opj_decode (dec, io);
if (!image)
goto decode_error;
#else
stream = opj_stream_create (4096, OPJ_TRUE);
if (!stream)
goto open_error;
mstream.data = map.data + (self->is_jp2c ? 8 : 0);
mstream.offset = 0;
mstream.size = map.size - (self->is_jp2c ? 8 : 0);
opj_stream_set_read_function (stream, read_fn);
opj_stream_set_write_function (stream, write_fn);
opj_stream_set_skip_function (stream, skip_fn);
opj_stream_set_seek_function (stream, seek_fn);
opj_stream_set_user_data (stream, &mstream);
opj_stream_set_user_data_length (stream, mstream.size);
image = NULL;
if (!opj_read_header (stream, dec, &image))
goto decode_error;
if (!opj_decode (dec, stream, image))
goto decode_error;
#endif
gst_buffer_unmap (frame->input_buffer, &map);
@ -952,9 +1064,16 @@ gst_openjpeg_dec_handle_frame (GstVideoDecoder * decoder,
gst_video_frame_unmap (&vframe);
opj_image_destroy (image);
#ifdef HAVE_OPENJPEG_1
opj_cio_close (io);
opj_image_destroy (image);
opj_destroy_decompress (dec);
#else
opj_end_decompress (dec, stream);
opj_stream_destroy (stream);
opj_image_destroy (image);
opj_destroy_codec (dec);
#endif
ret = gst_video_decoder_finish_frame (decoder, frame);
@ -969,7 +1088,11 @@ initialization_error:
}
map_read_error:
{
#ifdef HAVE_OPENJPEG_1
opj_destroy_decompress (dec);
#else
opj_destroy_codec (dec);
#endif
gst_video_codec_frame_unref (frame);
GST_ELEMENT_ERROR (self, CORE, FAILED,
@ -978,7 +1101,11 @@ map_read_error:
}
open_error:
{
#ifdef HAVE_OPENJPEG_1
opj_destroy_decompress (dec);
#else
opj_destroy_codec (dec);
#endif
gst_buffer_unmap (frame->input_buffer, &map);
gst_video_codec_frame_unref (frame);
@ -988,8 +1115,15 @@ open_error:
}
decode_error:
{
if (image)
opj_image_destroy (image);
#ifdef HAVE_OPENJPEG_1
opj_cio_close (io);
opj_destroy_decompress (dec);
#else
opj_stream_destroy (stream);
opj_destroy_codec (dec);
#endif
gst_buffer_unmap (frame->input_buffer, &map);
gst_video_codec_frame_unref (frame);
@ -1000,8 +1134,13 @@ decode_error:
negotiate_error:
{
opj_image_destroy (image);
#ifdef HAVE_OPENJPEG_1
opj_cio_close (io);
opj_destroy_decompress (dec);
#else
opj_stream_destroy (stream);
opj_destroy_codec (dec);
#endif
gst_video_codec_frame_unref (frame);
GST_ELEMENT_ERROR (self, CORE, NEGOTIATION,
@ -1011,8 +1150,13 @@ negotiate_error:
allocate_error:
{
opj_image_destroy (image);
#ifdef HAVE_OPENJPEG_1
opj_cio_close (io);
opj_destroy_decompress (dec);
#else
opj_stream_destroy (stream);
opj_destroy_codec (dec);
#endif
gst_video_codec_frame_unref (frame);
GST_ELEMENT_ERROR (self, CORE, FAILED,
@ -1022,8 +1166,13 @@ allocate_error:
map_write_error:
{
opj_image_destroy (image);
#ifdef HAVE_OPENJPEG_1
opj_cio_close (io);
opj_destroy_decompress (dec);
#else
opj_stream_destroy (stream);
opj_destroy_codec (dec);
#endif
gst_video_codec_frame_unref (frame);
GST_ELEMENT_ERROR (self, CORE, FAILED,

2
ext/openjpeg/gstopenjpegdec.h
View file

@ -25,7 +25,7 @@
#include <gst/gst.h>
#include <gst/video/video.h>
#include <openjpeg.h>
#include "gstopenjpeg.h"
G_BEGIN_DECLS

206
ext/openjpeg/gstopenjpegenc.c
View file

@ -1,6 +1,7 @@
/*
* Copyright (C) 2012 Collabora Ltd.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
* Copyright (C) 2013 Sebastian Dröge <slomo@circular-chaos.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@ -25,6 +26,8 @@
#include "gstopenjpegenc.h"
#include <string.h>
GST_DEBUG_CATEGORY_STATIC (gst_openjpeg_enc_debug);
#define GST_CAT_DEFAULT gst_openjpeg_enc_debug
@ -33,11 +36,11 @@ static GType
gst_openjpeg_enc_progression_order_get_type (void)
{
static const GEnumValue values[] = {
{LRCP, "LRCP", "lrcp"},
{RLCP, "RLCP", "rlcp"},
{RPCL, "RPCL", "rpcl"},
{PCRL, "PCRL", "pcrl"},
{CPRL, "CPRL", "crpl"},
{OPJ_LRCP, "LRCP", "lrcp"},
{OPJ_RLCP, "RLCP", "rlcp"},
{OPJ_RPCL, "RPCL", "rpcl"},
{OPJ_PCRL, "PCRL", "pcrl"},
{OPJ_CPRL, "CPRL", "crpl"},
{0, NULL, NULL}
};
static volatile GType id = 0;
@ -67,7 +70,7 @@ enum
#define DEFAULT_NUM_LAYERS 1
#define DEFAULT_NUM_RESOLUTIONS 6
#define DEFAULT_PROGRESSION_ORDER LRCP
#define DEFAULT_PROGRESSION_ORDER OPJ_LRCP
#define DEFAULT_TILE_OFFSET_X 0
#define DEFAULT_TILE_OFFSET_Y 0
#define DEFAULT_TILE_WIDTH 0
@ -531,7 +534,7 @@ fill_image_planar16_1 (opj_image_t * image, GstVideoFrame * frame)
w = GST_VIDEO_FRAME_COMP_WIDTH (frame, 0);
h = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 0);
data_in = (guint16 *) GST_VIDEO_FRAME_COMP_DATA (frame, 0);
sstride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0);
sstride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0) / 2;
data_out = image->comps[0].data;
for (y = 0; y < h; y++) {
@ -565,13 +568,13 @@ gst_openjpeg_enc_set_format (GstVideoEncoder * encoder,
allowed_caps = gst_caps_truncate (allowed_caps);
s = gst_caps_get_structure (allowed_caps, 0);
if (gst_structure_has_name (s, "image/jp2")) {
self->codec_format = CODEC_JP2;
self->codec_format = OPJ_CODEC_JP2;
self->is_jp2c = FALSE;
} else if (gst_structure_has_name (s, "image/x-j2c")) {
self->codec_format = CODEC_J2K;
self->codec_format = OPJ_CODEC_J2K;
self->is_jp2c = TRUE;
} else if (gst_structure_has_name (s, "image/x-jpc")) {
self->codec_format = CODEC_J2K;
self->codec_format = OPJ_CODEC_J2K;
self->is_jp2c = FALSE;
} else {
g_return_val_if_reached (FALSE);
@ -676,11 +679,11 @@ gst_openjpeg_enc_fill_image (GstOpenJPEGEnc * self, GstVideoFrame * frame)
}
if ((frame->info.finfo->flags & GST_VIDEO_FORMAT_FLAG_YUV))
colorspace = CLRSPC_SYCC;
colorspace = OPJ_CLRSPC_SYCC;
else if ((frame->info.finfo->flags & GST_VIDEO_FORMAT_FLAG_RGB))
colorspace = CLRSPC_SRGB;
colorspace = OPJ_CLRSPC_SRGB;
else if ((frame->info.finfo->flags & GST_VIDEO_FORMAT_FLAG_GRAY))
colorspace = CLRSPC_GRAY;
colorspace = OPJ_CLRSPC_GRAY;
else
g_return_val_if_reached (NULL);
@ -697,7 +700,7 @@ gst_openjpeg_enc_fill_image (GstOpenJPEGEnc * self, GstVideoFrame * frame)
}
static void
gst_openjpeg_dec_opj_error (const char *msg, void *userdata)
gst_openjpeg_enc_opj_error (const char *msg, void *userdata)
{
GstOpenJPEGEnc *self = GST_OPENJPEG_ENC (userdata);
gchar *trimmed = g_strchomp (g_strdup (msg));
@ -706,7 +709,7 @@ gst_openjpeg_dec_opj_error (const char *msg, void *userdata)
}
static void
gst_openjpeg_dec_opj_warning (const char *msg, void *userdata)
gst_openjpeg_enc_opj_warning (const char *msg, void *userdata)
{
GstOpenJPEGEnc *self = GST_OPENJPEG_ENC (userdata);
gchar *trimmed = g_strchomp (g_strdup (msg));
@ -715,7 +718,7 @@ gst_openjpeg_dec_opj_warning (const char *msg, void *userdata)
}
static void
gst_openjpeg_dec_opj_info (const char *msg, void *userdata)
gst_openjpeg_enc_opj_info (const char *msg, void *userdata)
{
GstOpenJPEGEnc *self = GST_OPENJPEG_ENC (userdata);
gchar *trimmed = g_strchomp (g_strdup (msg));
@ -723,19 +726,93 @@ gst_openjpeg_dec_opj_info (const char *msg, void *userdata)
g_free (trimmed);
}
#ifndef HAVE_OPENJPEG_1
typedef struct
{
guint8 *data;
guint allocsize;
guint offset;
guint size;
} MemStream;
static OPJ_SIZE_T
read_fn (void *p_buffer, OPJ_SIZE_T p_nb_bytes, void *p_user_data)
{
g_return_val_if_reached (-1);
}
static OPJ_SIZE_T
write_fn (void *p_buffer, OPJ_SIZE_T p_nb_bytes, void *p_user_data)
{
MemStream *mstream = p_user_data;
if (mstream->offset + p_nb_bytes > mstream->allocsize) {
while (mstream->offset + p_nb_bytes > mstream->allocsize)
mstream->allocsize *= 2;
mstream->data = g_realloc (mstream->data, mstream->allocsize);
}
memcpy (mstream->data + mstream->offset, p_buffer, p_nb_bytes);
if (mstream->offset + p_nb_bytes > mstream->size)
mstream->size = mstream->offset + p_nb_bytes;
mstream->offset += p_nb_bytes;
return p_nb_bytes;
}
static OPJ_OFF_T
skip_fn (OPJ_OFF_T p_nb_bytes, void *p_user_data)
{
MemStream *mstream = p_user_data;
if (mstream->offset + p_nb_bytes > mstream->allocsize) {
while (mstream->offset + p_nb_bytes > mstream->allocsize)
mstream->allocsize *= 2;
mstream->data = g_realloc (mstream->data, mstream->allocsize);
}
if (mstream->offset + p_nb_bytes > mstream->size)
mstream->size = mstream->offset + p_nb_bytes;
mstream->offset += p_nb_bytes;
return p_nb_bytes;
}
static OPJ_BOOL
seek_fn (OPJ_OFF_T p_nb_bytes, void *p_user_data)
{
MemStream *mstream = p_user_data;
if (p_nb_bytes > mstream->size)
return OPJ_FALSE;
mstream->offset = p_nb_bytes;
return OPJ_TRUE;
}
#endif
static GstFlowReturn
gst_openjpeg_enc_handle_frame (GstVideoEncoder * encoder,
GstVideoCodecFrame * frame)
{
GstOpenJPEGEnc *self = GST_OPENJPEG_ENC (encoder);
GstFlowReturn ret = GST_FLOW_OK;
GstMapInfo map;
#ifdef HAVE_OPENJPEG_1
opj_cinfo_t *enc;
opj_event_mgr_t callbacks;
GstMapInfo map;
guint length;
opj_cio_t *io;
#else
opj_codec_t *enc;
opj_stream_t *stream;
MemStream mstream;
#endif
opj_image_t *image;
GstVideoFrame vframe;
gint length;
GST_DEBUG_OBJECT (self, "Handling frame");
@ -743,15 +820,30 @@ gst_openjpeg_enc_handle_frame (GstVideoEncoder * encoder,
if (!enc)
goto initialization_error;
#ifdef HAVE_OPENJPEG_1
if (G_UNLIKELY (gst_debug_category_get_threshold (GST_CAT_DEFAULT) >=
GST_LEVEL_TRACE)) {
callbacks.error_handler = gst_openjpeg_dec_opj_error;
callbacks.warning_handler = gst_openjpeg_dec_opj_warning;
callbacks.info_handler = gst_openjpeg_dec_opj_info;
opj_event_mgr_t callbacks;
callbacks.error_handler = gst_openjpeg_enc_opj_error;
callbacks.warning_handler = gst_openjpeg_enc_opj_warning;
callbacks.info_handler = gst_openjpeg_enc_opj_info;
opj_set_event_mgr ((opj_common_ptr) enc, &callbacks, self);
} else {
opj_set_event_mgr ((opj_common_ptr) enc, NULL, NULL);
}
#else
if (G_UNLIKELY (gst_debug_category_get_threshold (GST_CAT_DEFAULT) >=
GST_LEVEL_TRACE)) {
opj_set_info_handler (enc, gst_openjpeg_enc_opj_info, self);
opj_set_warning_handler (enc, gst_openjpeg_enc_opj_warning, self);
opj_set_error_handler (enc, gst_openjpeg_enc_opj_error, self);
} else {
opj_set_info_handler (enc, NULL, NULL);
opj_set_warning_handler (enc, NULL, NULL);
opj_set_error_handler (enc, NULL, NULL);
}
#endif
if (!gst_video_frame_map (&vframe, &self->input_state->info,
frame->input_buffer, GST_MAP_READ))
@ -764,6 +856,7 @@ gst_openjpeg_enc_handle_frame (GstVideoEncoder * encoder,
opj_setup_encoder (enc, &self->params, image);
#ifdef HAVE_OPENJPEG_1
io = opj_cio_open ((opj_common_ptr) enc, NULL, 0);
if (!io)
goto open_error;
@ -792,6 +885,54 @@ gst_openjpeg_enc_handle_frame (GstVideoEncoder * encoder,
opj_cio_close (io);
opj_destroy_compress (enc);
#else
stream = opj_stream_create (4096, OPJ_FALSE);
if (!stream)
goto open_error;
mstream.allocsize = 4096;
mstream.data = g_malloc (mstream.allocsize);
mstream.offset = 0;
mstream.size = 0;
opj_stream_set_read_function (stream, read_fn);
opj_stream_set_write_function (stream, write_fn);
opj_stream_set_skip_function (stream, skip_fn);
opj_stream_set_seek_function (stream, seek_fn);
opj_stream_set_user_data (stream, &mstream);
opj_stream_set_user_data_length (stream, mstream.size);
if (!opj_start_compress (enc, image, stream))
goto encode_error;
if (!opj_encode (enc, stream))
goto encode_error;
if (!opj_end_compress (enc, stream))
goto encode_error;
opj_image_destroy (image);
opj_stream_destroy (stream);
opj_destroy_codec (enc);
frame->output_buffer = gst_buffer_new ();
if (self->is_jp2c) {
GstMapInfo map;
GstMemory *mem;
mem = gst_allocator_alloc (NULL, 8, NULL);
gst_memory_map (mem, &map, GST_MAP_WRITE);
GST_WRITE_UINT32_BE (map.data, mstream.size + 8);
GST_WRITE_UINT32_BE (map.data + 4, GST_MAKE_FOURCC ('j', 'p', '2', 'c'));
gst_memory_unmap (mem, &map);
gst_buffer_append_memory (frame->output_buffer, mem);
}
gst_buffer_append_memory (frame->output_buffer,
gst_memory_new_wrapped (0, mstream.data, mstream.allocsize, 0,
mstream.size, NULL, (GDestroyNotify) g_free));
#endif
ret = gst_video_encoder_finish_frame (encoder, frame);
@ -806,7 +947,11 @@ initialization_error:
}
map_read_error:
{
#ifdef HAVE_OPENJPEG_1
opj_destroy_compress (enc);
#else
opj_destroy_codec (enc);
#endif
gst_video_codec_frame_unref (frame);
GST_ELEMENT_ERROR (self, CORE, FAILED,
@ -815,7 +960,11 @@ map_read_error:
}
fill_image_error:
{
#ifdef HAVE_OPENJPEG_1
opj_destroy_compress (enc);
#else
opj_destroy_codec (enc);
#endif
gst_video_frame_unmap (&vframe);
gst_video_codec_frame_unref (frame);
@ -826,7 +975,11 @@ fill_image_error:
open_error:
{
opj_image_destroy (image);
#ifdef HAVE_OPENJPEG_1
opj_destroy_compress (enc);
#else
opj_destroy_codec (enc);
#endif
gst_video_codec_frame_unref (frame);
GST_ELEMENT_ERROR (self, LIBRARY, INIT,
@ -835,15 +988,23 @@ open_error:
}
encode_error:
{
#ifdef HAVE_OPENJPEG_1
opj_cio_close (io);
opj_image_destroy (image);
opj_destroy_compress (enc);
#else
opj_stream_destroy (stream);
g_free (mstream.data);
opj_image_destroy (image);
opj_destroy_codec (enc);
#endif
gst_video_codec_frame_unref (frame);
GST_ELEMENT_ERROR (self, STREAM, ENCODE,
("Failed to encode OpenJPEG stream"), (NULL));
return GST_FLOW_ERROR;
}
#ifdef HAVE_OPENJPEG_1
allocate_error:
{
opj_cio_close (io);
@ -854,6 +1015,7 @@ allocate_error:
("Failed to allocate output buffer"), (NULL));
return ret;
}
#endif
}
static gboolean

2
ext/openjpeg/gstopenjpegenc.h
View file

@ -25,7 +25,7 @@
#include <gst/gst.h>
#include <gst/video/video.h>
#include <openjpeg.h>
#include "gstopenjpeg.h"
G_BEGIN_DECLS