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gstreamer/ext/openjpeg/gstopenjpegdec.c
Stéphane Cerveau c4a1de5510 openjpeg: allow per feature registration 
Split plugin into features including
dynamic types which can be indiviually
registered during a static build.

More details here:

https://gitlab.freedesktop.org/gstreamer/gst-build/-/merge_requests/199
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/661

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2038>
2021-03-23 14:19:17 +00:00

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/*
* 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
* 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.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstopenjpegdec.h"
#include <string.h>
GST_DEBUG_CATEGORY_STATIC (gst_openjpeg_dec_debug);
#define GST_CAT_DEFAULT gst_openjpeg_dec_debug
enum
{
PROP_0,
PROP_MAX_THREADS,
PROP_LAST
};
#define GST_OPENJPEG_DEC_DEFAULT_MAX_THREADS 0
static gboolean gst_openjpeg_dec_start (GstVideoDecoder * decoder);
static gboolean gst_openjpeg_dec_stop (GstVideoDecoder * decoder);
static gboolean gst_openjpeg_dec_set_format (GstVideoDecoder * decoder,
GstVideoCodecState * state);
static GstFlowReturn gst_openjpeg_dec_handle_frame (GstVideoDecoder * decoder,
GstVideoCodecFrame * frame);
static gboolean gst_openjpeg_dec_decide_allocation (GstVideoDecoder * decoder,
GstQuery * query);
static void gst_openjpeg_dec_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_openjpeg_dec_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
#define GRAY16 "GRAY16_LE"
#define YUV10 "Y444_10LE, I422_10LE, I420_10LE"
#else
#define GRAY16 "GRAY16_BE"
#define YUV10 "Y444_10BE, I422_10BE, I420_10BE"
#endif
static GstStaticPadTemplate gst_openjpeg_dec_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("image/x-j2c, "
GST_JPEG2000_SAMPLING_LIST "; "
"image/x-jpc, " GST_JPEG2000_SAMPLING_LIST "; " "image/jp2")
);
static GstStaticPadTemplate gst_openjpeg_dec_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ ARGB64, ARGB, xRGB, "
"AYUV64, " YUV10 ", "
"AYUV, Y444, Y42B, I420, Y41B, YUV9, " "GRAY8, " GRAY16 " }"))
);
#define parent_class gst_openjpeg_dec_parent_class
G_DEFINE_TYPE (GstOpenJPEGDec, gst_openjpeg_dec, GST_TYPE_VIDEO_DECODER);
GST_ELEMENT_REGISTER_DEFINE (openjpegdec, "openjpegdec",
GST_RANK_PRIMARY, GST_TYPE_OPENJPEG_DEC);
static void
gst_openjpeg_dec_class_init (GstOpenJPEGDecClass * klass)
{
GstElementClass *element_class;
GstVideoDecoderClass *video_decoder_class;
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
element_class = (GstElementClass *) klass;
video_decoder_class = (GstVideoDecoderClass *) klass;
gst_element_class_add_static_pad_template (element_class,
&gst_openjpeg_dec_src_template);
gst_element_class_add_static_pad_template (element_class,
&gst_openjpeg_dec_sink_template);
gst_element_class_set_static_metadata (element_class,
"OpenJPEG JPEG2000 decoder",
"Codec/Decoder/Video",
"Decode JPEG2000 streams",
"Sebastian Dröge <sebastian.droege@collabora.co.uk>");
video_decoder_class->start = GST_DEBUG_FUNCPTR (gst_openjpeg_dec_start);
video_decoder_class->stop = GST_DEBUG_FUNCPTR (gst_openjpeg_dec_stop);
video_decoder_class->set_format =
GST_DEBUG_FUNCPTR (gst_openjpeg_dec_set_format);
video_decoder_class->handle_frame =
GST_DEBUG_FUNCPTR (gst_openjpeg_dec_handle_frame);
video_decoder_class->decide_allocation = gst_openjpeg_dec_decide_allocation;
gobject_class->set_property = gst_openjpeg_dec_set_property;
gobject_class->get_property = gst_openjpeg_dec_get_property;
/**
* GstOpenJPEGDec:max-threads:
*
* Maximum number of worker threads to spawn. (0 = auto)
*
* Since: 1.18
*/
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MAX_THREADS,
g_param_spec_int ("max-threads", "Maximum decode threads",
"Maximum number of worker threads to spawn. (0 = auto)",
0, G_MAXINT, GST_OPENJPEG_DEC_DEFAULT_MAX_THREADS,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
GST_DEBUG_CATEGORY_INIT (gst_openjpeg_dec_debug, "openjpegdec", 0,
"OpenJPEG Decoder");
}
static void
gst_openjpeg_dec_init (GstOpenJPEGDec * self)
{
GstVideoDecoder *decoder = (GstVideoDecoder *) self;
gst_video_decoder_set_packetized (decoder, TRUE);
gst_video_decoder_set_needs_format (decoder, TRUE);
gst_video_decoder_set_use_default_pad_acceptcaps (GST_VIDEO_DECODER_CAST
(self), TRUE);
GST_PAD_SET_ACCEPT_TEMPLATE (GST_VIDEO_DECODER_SINK_PAD (self));
opj_set_default_decoder_parameters (&self->params);
self->sampling = GST_JPEG2000_SAMPLING_NONE;
self->max_threads = GST_OPENJPEG_DEC_DEFAULT_MAX_THREADS;
self->num_procs = g_get_num_processors ();
}
static gboolean
gst_openjpeg_dec_start (GstVideoDecoder * decoder)
{
GstOpenJPEGDec *self = GST_OPENJPEG_DEC (decoder);
GST_DEBUG_OBJECT (self, "Starting");
return TRUE;
}
static gboolean
gst_openjpeg_dec_stop (GstVideoDecoder * video_decoder)
{
GstOpenJPEGDec *self = GST_OPENJPEG_DEC (video_decoder);
GST_DEBUG_OBJECT (self, "Stopping");
if (self->output_state) {
gst_video_codec_state_unref (self->output_state);
self->output_state = NULL;
}
if (self->input_state) {
gst_video_codec_state_unref (self->input_state);
self->input_state = NULL;
}
GST_DEBUG_OBJECT (self, "Stopped");
return TRUE;
}
static void
gst_openjpeg_dec_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstOpenJPEGDec *dec = (GstOpenJPEGDec *) object;
switch (prop_id) {
case PROP_MAX_THREADS:
g_atomic_int_set (&dec->max_threads, g_value_get_int (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_openjpeg_dec_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)
{
GstOpenJPEGDec *dec = (GstOpenJPEGDec *) object;
switch (prop_id) {
case PROP_MAX_THREADS:
g_value_set_int (value, g_atomic_int_get (&dec->max_threads));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_openjpeg_dec_set_format (GstVideoDecoder * decoder,
GstVideoCodecState * state)
{
GstOpenJPEGDec *self = GST_OPENJPEG_DEC (decoder);
GstStructure *s;
GST_DEBUG_OBJECT (self, "Setting format: %" GST_PTR_FORMAT, state->caps);
s = gst_caps_get_structure (state->caps, 0);
self->color_space = OPJ_CLRSPC_UNKNOWN;
if (gst_structure_has_name (s, "image/jp2")) {
self->codec_format = OPJ_CODEC_JP2;
self->is_jp2c = FALSE;
} else if (gst_structure_has_name (s, "image/x-j2c")) {
self->codec_format = OPJ_CODEC_J2K;
self->is_jp2c = TRUE;
} else if (gst_structure_has_name (s, "image/x-jpc")) {
self->codec_format = OPJ_CODEC_J2K;
self->is_jp2c = FALSE;
} else {
g_return_val_if_reached (FALSE);
}
self->sampling =
gst_jpeg2000_sampling_from_string (gst_structure_get_string (s,
"sampling"));
if (gst_jpeg2000_sampling_is_rgb (self->sampling))
self->color_space = OPJ_CLRSPC_SRGB;
else if (gst_jpeg2000_sampling_is_mono (self->sampling))
self->color_space = OPJ_CLRSPC_GRAY;
else if (gst_jpeg2000_sampling_is_yuv (self->sampling))
self->color_space = OPJ_CLRSPC_SYCC;
self->ncomps = 0;
gst_structure_get_int (s, "num-components", &self->ncomps);
if (self->input_state)
gst_video_codec_state_unref (self->input_state);
self->input_state = gst_video_codec_state_ref (state);
return TRUE;
}
static gboolean
reverse_rgb_channels (GstJPEG2000Sampling sampling)
{
return sampling == GST_JPEG2000_SAMPLING_BGR
|| sampling == GST_JPEG2000_SAMPLING_BGRA;
}
static void
fill_frame_packed8_4 (GstVideoFrame * frame, opj_image_t * image)
{
gint x, y, w, h, c;
guint8 *data_out, *tmp;
const gint *data_in[4];
gint dstride;
gint off[4];
w = GST_VIDEO_FRAME_WIDTH (frame);
h = GST_VIDEO_FRAME_HEIGHT (frame);
data_out = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
dstride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0);
for (c = 0; c < 4; c++) {
data_in[c] = image->comps[c].data;
off[c] = 0x80 * image->comps[c].sgnd;
}
for (y = 0; y < h; y++) {
tmp = data_out;
for (x = 0; x < w; x++) {
/* alpha, from 4'th input channel */
tmp[0] = off[3] + *data_in[3];
/* colour channels */
tmp[1] = off[0] + *data_in[0];
tmp[2] = off[1] + *data_in[1];
tmp[3] = off[2] + *data_in[2];
tmp += 4;
data_in[0]++;
data_in[1]++;
data_in[2]++;
data_in[3]++;
}
data_out += dstride;
}
}
static void
fill_frame_packed16_4 (GstVideoFrame * frame, opj_image_t * image)
{
gint x, y, w, h, c;
guint16 *data_out, *tmp;
const gint *data_in[4];
gint dstride;
gint shift[4], off[4];
w = GST_VIDEO_FRAME_WIDTH (frame);
h = GST_VIDEO_FRAME_HEIGHT (frame);
data_out = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
dstride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0) / 2;
for (c = 0; c < 4; c++) {
data_in[c] = image->comps[c].data;
off[c] = (1 << (image->comps[c].prec - 1)) * image->comps[c].sgnd;
shift[c] =
MAX (MIN (GST_VIDEO_FRAME_COMP_DEPTH (frame, c) - image->comps[c].prec,
8), 0);
}
for (y = 0; y < h; y++) {
tmp = data_out;
for (x = 0; x < w; x++) {
/* alpha, from 4'th input channel */
tmp[0] = off[3] + (*data_in[3] << shift[3]);
/* colour channels */
tmp[1] = off[0] + (*data_in[0] << shift[0]);
tmp[2] = off[1] + (*data_in[1] << shift[1]);
tmp[3] = off[2] + (*data_in[2] << shift[2]);
tmp += 4;
data_in[0]++;
data_in[1]++;
data_in[2]++;
data_in[3]++;
}
data_out += dstride;
}
}
static void
fill_frame_packed8_3 (GstVideoFrame * frame, opj_image_t * image)
{
gint x, y, w, h, c;
guint8 *data_out, *tmp;
const gint *data_in[3];
gint dstride;
gint off[3];
w = GST_VIDEO_FRAME_WIDTH (frame);
h = GST_VIDEO_FRAME_HEIGHT (frame);
data_out = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
dstride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0);
for (c = 0; c < 3; c++) {
data_in[c] = image->comps[c].data;
off[c] = 0x80 * image->comps[c].sgnd;
};
for (y = 0; y < h; y++) {
tmp = data_out;
for (x = 0; x < w; x++) {
tmp[0] = off[0] + *data_in[0];
tmp[1] = off[1] + *data_in[1];
tmp[2] = off[2] + *data_in[2];
data_in[0]++;
data_in[1]++;
data_in[2]++;
tmp += 3;
}
data_out += dstride;
}
}
static void
fill_frame_packed16_3 (GstVideoFrame * frame, opj_image_t * image)
{
gint x, y, w, h, c;
guint16 *data_out, *tmp;
const gint *data_in[3];
gint dstride;
gint shift[3], off[3];
w = GST_VIDEO_FRAME_WIDTH (frame);
h = GST_VIDEO_FRAME_HEIGHT (frame);
data_out = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
dstride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0) / 2;
for (c = 0; c < 3; c++) {
data_in[c] = image->comps[c].data;
off[c] = (1 << (image->comps[c].prec - 1)) * image->comps[c].sgnd;
shift[c] =
MAX (MIN (GST_VIDEO_FRAME_COMP_DEPTH (frame, c) - image->comps[c].prec,
8), 0);
}
for (y = 0; y < h; y++) {
tmp = data_out;
for (x = 0; x < w; x++) {
tmp[1] = off[0] + (*data_in[0] << shift[0]);
tmp[2] = off[1] + (*data_in[1] << shift[1]);
tmp[3] = off[2] + (*data_in[2] << shift[2]);
tmp += 4;
data_in[0]++;
data_in[1]++;
data_in[2]++;
}
data_out += dstride;
}
}
/* for grayscale with alpha */
static void
fill_frame_packed8_2 (GstVideoFrame * frame, opj_image_t * image)
{
gint x, y, w, h, c;
guint8 *data_out, *tmp;
const gint *data_in[2];
gint dstride;
gint off[2];
w = GST_VIDEO_FRAME_WIDTH (frame);
h = GST_VIDEO_FRAME_HEIGHT (frame);
data_out = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
dstride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0);
for (c = 0; c < 2; c++) {
data_in[c] = image->comps[c].data;
off[c] = 0x80 * image->comps[c].sgnd;
};
for (y = 0; y < h; y++) {
tmp = data_out;
for (x = 0; x < w; x++) {
/* alpha, from 2nd input channel */
tmp[0] = off[1] + *data_in[1];
/* luminance, from first input channel */
tmp[1] = off[0] + *data_in[0];
tmp[2] = tmp[1];
tmp[3] = tmp[1];
data_in[0]++;
data_in[1]++;
tmp += 4;
}
data_out += dstride;
}
}
/* for grayscale with alpha */
static void
fill_frame_packed16_2 (GstVideoFrame * frame, opj_image_t * image)
{
gint x, y, w, h, c;
guint16 *data_out, *tmp;
const gint *data_in[2];
gint dstride;
gint shift[2], off[2];
w = GST_VIDEO_FRAME_WIDTH (frame);
h = GST_VIDEO_FRAME_HEIGHT (frame);
data_out = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
dstride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0) / 2;
for (c = 0; c < 2; c++) {
data_in[c] = image->comps[c].data;
off[c] = (1 << (image->comps[c].prec - 1)) * image->comps[c].sgnd;
shift[c] =
MAX (MIN (GST_VIDEO_FRAME_COMP_DEPTH (frame, c) - image->comps[c].prec,
8), 0);
}
for (y = 0; y < h; y++) {
tmp = data_out;
for (x = 0; x < w; x++) {
/* alpha, from 2nd input channel */
tmp[0] = off[1] + (*data_in[1] << shift[1]);
/* luminance, from first input channel */
tmp[1] = off[0] + (*data_in[0] << shift[0]);
tmp[2] = tmp[1];
tmp[3] = tmp[1];
tmp += 4;
data_in[0]++;
data_in[1]++;
}
data_out += dstride;
}
}
static void
fill_frame_planar8_1 (GstVideoFrame * frame, opj_image_t * image)
{
gint x, y, w, h;
guint8 *data_out, *tmp;
const gint *data_in;
gint dstride;
gint off;
w = GST_VIDEO_FRAME_WIDTH (frame);
h = GST_VIDEO_FRAME_HEIGHT (frame);
data_out = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
dstride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0);
data_in = image->comps[0].data;
off = 0x80 * image->comps[0].sgnd;
for (y = 0; y < h; y++) {
tmp = data_out;
for (x = 0; x < w; x++) {
*tmp = off + *data_in;
tmp++;
data_in++;
}
data_out += dstride;
}
}
static void
fill_frame_planar16_1 (GstVideoFrame * frame, opj_image_t * image)
{
gint x, y, w, h;
guint16 *data_out, *tmp;
const gint *data_in;
gint dstride;
gint shift, off;
w = GST_VIDEO_FRAME_WIDTH (frame);
h = GST_VIDEO_FRAME_HEIGHT (frame);
data_out = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
dstride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0) / 2;
data_in = image->comps[0].data;
off = (1 << (image->comps[0].prec - 1)) * image->comps[0].sgnd;
shift =
MAX (MIN (GST_VIDEO_FRAME_COMP_DEPTH (frame, 0) - image->comps[0].prec,
8), 0);
for (y = 0; y < h; y++) {
tmp = data_out;
for (x = 0; x < w; x++) {
*tmp = off + (*data_in << shift);
tmp++;
data_in++;
}
data_out += dstride;
}
}
static void
fill_frame_planar8_3 (GstVideoFrame * frame, opj_image_t * image)
{
gint c, x, y, w, h;
guint8 *data_out, *tmp;
const gint *data_in;
gint dstride, off;
for (c = 0; c < 3; c++) {
w = GST_VIDEO_FRAME_COMP_WIDTH (frame, c);
h = GST_VIDEO_FRAME_COMP_HEIGHT (frame, c);
dstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, c);
data_out = GST_VIDEO_FRAME_COMP_DATA (frame, c);
data_in = image->comps[c].data;
off = 0x80 * image->comps[c].sgnd;
for (y = 0; y < h; y++) {
tmp = data_out;
for (x = 0; x < w; x++) {
*tmp = off + *data_in;
tmp++;
data_in++;
}
data_out += dstride;
}
}
}
static void
fill_frame_planar16_3 (GstVideoFrame * frame, opj_image_t * image)
{
gint c, x, y, w, h;
guint16 *data_out, *tmp;
const gint *data_in;
gint dstride;
gint shift, off;
for (c = 0; c < 3; c++) {
w = GST_VIDEO_FRAME_COMP_WIDTH (frame, c);
h = GST_VIDEO_FRAME_COMP_HEIGHT (frame, c);
dstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, c) / 2;
data_out = (guint16 *) GST_VIDEO_FRAME_COMP_DATA (frame, c);
data_in = image->comps[c].data;
off = (1 << (image->comps[c].prec - 1)) * image->comps[c].sgnd;
shift =
MAX (MIN (GST_VIDEO_FRAME_COMP_DEPTH (frame, c) - image->comps[c].prec,
8), 0);
for (y = 0; y < h; y++) {
tmp = data_out;
for (x = 0; x < w; x++) {
*tmp = off + (*data_in << shift);
tmp++;
data_in++;
}
data_out += dstride;
}
}
}
static void
fill_frame_planar8_3_generic (GstVideoFrame * frame, opj_image_t * image)
{
gint x, y, w, h, c;
guint8 *data_out, *tmp;
const gint *data_in[3];
gint dstride;
gint dx[3], dy[3], off[3];
w = GST_VIDEO_FRAME_WIDTH (frame);
h = GST_VIDEO_FRAME_HEIGHT (frame);
data_out = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
dstride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0);
for (c = 0; c < 3; c++) {
data_in[c] = image->comps[c].data;
dx[c] = image->comps[c].dx;
dy[c] = image->comps[c].dy;
off[c] = 0x80 * image->comps[c].sgnd;
}
for (y = 0; y < h; y++) {
tmp = data_out;
for (x = 0; x < w; x++) {
tmp[0] = 0xff;
tmp[1] = off[0] + data_in[0][((y / dy[0]) * w + x) / dx[0]];
tmp[2] = off[1] + data_in[1][((y / dy[1]) * w + x) / dx[1]];
tmp[3] = off[2] + data_in[2][((y / dy[2]) * w + x) / dx[2]];
tmp += 4;
}
data_out += dstride;
}
}
static void
fill_frame_planar8_4_generic (GstVideoFrame * frame, opj_image_t * image)
{
gint x, y, w, h, c;
guint8 *data_out, *tmp;
const gint *data_in[4];
gint dstride;
gint dx[4], dy[4], off[4];
w = GST_VIDEO_FRAME_WIDTH (frame);
h = GST_VIDEO_FRAME_HEIGHT (frame);
data_out = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
dstride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0);
for (c = 0; c < 4; c++) {
data_in[c] = image->comps[c].data;
dx[c] = image->comps[c].dx;
dy[c] = image->comps[c].dy;
off[c] = 0x80 * image->comps[c].sgnd;
}
for (y = 0; y < h; y++) {
tmp = data_out;
for (x = 0; x < w; x++) {
tmp[0] = off[3] + data_in[3][((y / dy[3]) * w + x) / dx[3]];
tmp[1] = off[0] + data_in[0][((y / dy[0]) * w + x) / dx[0]];
tmp[2] = off[1] + data_in[1][((y / dy[1]) * w + x) / dx[1]];
tmp[3] = off[2] + data_in[2][((y / dy[2]) * w + x) / dx[2]];
tmp += 4;
}
data_out += dstride;
}
}
static void
fill_frame_planar16_3_generic (GstVideoFrame * frame, opj_image_t * image)
{
gint x, y, w, h, c;
guint16 *data_out, *tmp;
const gint *data_in[3];
gint dstride;
gint dx[3], dy[3], shift[3], off[3];
w = GST_VIDEO_FRAME_WIDTH (frame);
h = GST_VIDEO_FRAME_HEIGHT (frame);
data_out = (guint16 *) GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
dstride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0) / 2;
for (c = 0; c < 3; c++) {
dx[c] = image->comps[c].dx;
dy[c] = image->comps[c].dy;
data_in[c] = image->comps[c].data;
off[c] = (1 << (image->comps[c].prec - 1)) * image->comps[c].sgnd;
shift[c] =
MAX (MIN (GST_VIDEO_FRAME_COMP_DEPTH (frame, c) - image->comps[c].prec,
8), 0);
}
for (y = 0; y < h; y++) {
tmp = data_out;
for (x = 0; x < w; x++) {
tmp[0] = 0xff;
tmp[1] = off[0] + (data_in[0][((y / dy[0]) * w + x) / dx[0]] << shift[0]);
tmp[2] = off[1] + (data_in[1][((y / dy[1]) * w + x) / dx[1]] << shift[1]);
tmp[3] = off[2] + (data_in[2][((y / dy[2]) * w + x) / dx[2]] << shift[2]);
tmp += 4;
}
data_out += dstride;
}
}
static void
fill_frame_planar16_4_generic (GstVideoFrame * frame, opj_image_t * image)
{
gint x, y, w, h, c;
guint16 *data_out, *tmp;
const gint *data_in[4];
gint dstride;
gint dx[4], dy[4], shift[4], off[4];
w = GST_VIDEO_FRAME_WIDTH (frame);
h = GST_VIDEO_FRAME_HEIGHT (frame);
data_out = (guint16 *) GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
dstride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0) / 2;
for (c = 0; c < 4; c++) {
dx[c] = image->comps[c].dx;
dy[c] = image->comps[c].dy;
data_in[c] = image->comps[c].data;
off[c] = (1 << (image->comps[c].prec - 1)) * image->comps[c].sgnd;
shift[c] =
MAX (MIN (GST_VIDEO_FRAME_COMP_DEPTH (frame, c) - image->comps[c].prec,
8), 0);
}
for (y = 0; y < h; y++) {
tmp = data_out;
for (x = 0; x < w; x++) {
tmp[0] = off[3] + (data_in[3][((y / dy[3]) * w + x) / dx[3]] << shift[3]);
tmp[1] = off[0] + (data_in[0][((y / dy[0]) * w + x) / dx[0]] << shift[0]);
tmp[2] = off[1] + (data_in[1][((y / dy[1]) * w + x) / dx[1]] << shift[1]);
tmp[3] = off[2] + (data_in[2][((y / dy[2]) * w + x) / dx[2]] << shift[2]);
tmp += 4;
}
data_out += dstride;
}
}
static gint
get_highest_prec (opj_image_t * image)
{
gint i;
gint ret = 0;
for (i = 0; i < image->numcomps; i++)
ret = MAX (image->comps[i].prec, ret);
return ret;
}
static GstFlowReturn
gst_openjpeg_dec_negotiate (GstOpenJPEGDec * self, opj_image_t * image)
{
GstVideoFormat format;
gint width, height;
if (image->color_space == OPJ_CLRSPC_UNKNOWN || image->color_space == 0)
image->color_space = self->color_space;
switch (image->color_space) {
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 ||
image->comps[2].dx != 1 || image->comps[2].dy != 1 ||
image->comps[3].dx != 1 || image->comps[3].dy != 1) {
GST_ERROR_OBJECT (self, "Sub-sampling for RGBA not supported");
return GST_FLOW_NOT_NEGOTIATED;
}
if (get_highest_prec (image) == 8) {
self->fill_frame = fill_frame_packed8_4;
format =
reverse_rgb_channels (self->sampling) ? GST_VIDEO_FORMAT_ABGR :
GST_VIDEO_FORMAT_ARGB;
} else if (get_highest_prec (image) <= 16) {
self->fill_frame = fill_frame_packed16_4;
format = GST_VIDEO_FORMAT_ARGB64;
} else {
GST_ERROR_OBJECT (self, "Unsupported depth %d", image->comps[3].prec);
return GST_FLOW_NOT_NEGOTIATED;
}
} else if (image->numcomps == 3) {
if (image->comps[0].dx != 1 || image->comps[0].dy != 1 ||
image->comps[1].dx != 1 || image->comps[1].dy != 1 ||
image->comps[2].dx != 1 || image->comps[2].dy != 1) {
GST_ERROR_OBJECT (self, "Sub-sampling for RGB not supported");
return GST_FLOW_NOT_NEGOTIATED;
}
if (get_highest_prec (image) == 8) {
self->fill_frame = fill_frame_packed8_3;
format =
reverse_rgb_channels (self->sampling) ? GST_VIDEO_FORMAT_BGR :
GST_VIDEO_FORMAT_RGB;
} else if (get_highest_prec (image) <= 16) {
self->fill_frame = fill_frame_packed16_3;
format = GST_VIDEO_FORMAT_ARGB64;
} else {
GST_ERROR_OBJECT (self, "Unsupported depth %d",
get_highest_prec (image));
return GST_FLOW_NOT_NEGOTIATED;
}
} else {
GST_ERROR_OBJECT (self, "Unsupported number of RGB components: %d",
image->numcomps);
return GST_FLOW_NOT_NEGOTIATED;
}
break;
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");
return GST_FLOW_NOT_NEGOTIATED;
}
if (get_highest_prec (image) == 8) {
self->fill_frame = fill_frame_planar8_1;
format = GST_VIDEO_FORMAT_GRAY8;
} else if (get_highest_prec (image) <= 16) {
self->fill_frame = fill_frame_planar16_1;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
format = GST_VIDEO_FORMAT_GRAY16_LE;
#else
format = GST_VIDEO_FORMAT_GRAY16_BE;
#endif
} else {
GST_ERROR_OBJECT (self, "Unsupported depth %d",
get_highest_prec (image));
return GST_FLOW_NOT_NEGOTIATED;
}
} else if (image->numcomps == 2) {
if ((image->comps[0].dx != 1 && image->comps[0].dy != 1) ||
(image->comps[1].dx != 1 && image->comps[1].dy != 1)) {
GST_ERROR_OBJECT (self, "Sub-sampling for GRAY not supported");
return GST_FLOW_NOT_NEGOTIATED;
}
if (get_highest_prec (image) == 8) {
self->fill_frame = fill_frame_packed8_2;
format = GST_VIDEO_FORMAT_ARGB;
} else if (get_highest_prec (image) <= 16) {
self->fill_frame = fill_frame_packed16_2;
format = GST_VIDEO_FORMAT_ARGB64;
} else {
GST_ERROR_OBJECT (self, "Unsupported depth %d",
get_highest_prec (image));
return GST_FLOW_NOT_NEGOTIATED;
}
} else {
GST_ERROR_OBJECT (self, "Unsupported number of GRAY components: %d",
image->numcomps);
return GST_FLOW_NOT_NEGOTIATED;
}
break;
case OPJ_CLRSPC_SYCC:
if (image->numcomps != 3 && image->numcomps != 4) {
GST_ERROR_OBJECT (self, "Unsupported number of YUV components: %d",
image->numcomps);
return GST_FLOW_NOT_NEGOTIATED;
}
if (image->comps[0].dx != 1 || image->comps[0].dy != 1) {
GST_ERROR_OBJECT (self, "Sub-sampling of luma plane not supported");
return GST_FLOW_NOT_NEGOTIATED;
}
if (image->comps[1].dx != image->comps[2].dx ||
image->comps[1].dy != image->comps[2].dy) {
GST_ERROR_OBJECT (self,
"Different sub-sampling of chroma planes not supported");
return GST_FLOW_ERROR;
}
if (image->numcomps == 4) {
if (image->comps[3].dx != 1 || image->comps[3].dy != 1) {
GST_ERROR_OBJECT (self, "Sub-sampling of alpha plane not supported");
return GST_FLOW_NOT_NEGOTIATED;
}
if (get_highest_prec (image) == 8) {
self->fill_frame = fill_frame_planar8_4_generic;
format = GST_VIDEO_FORMAT_AYUV;
} else if (image->comps[3].prec <= 16) {
self->fill_frame = fill_frame_planar16_4_generic;
format = GST_VIDEO_FORMAT_AYUV64;
} else {
GST_ERROR_OBJECT (self, "Unsupported depth %d", image->comps[0].prec);
return GST_FLOW_NOT_NEGOTIATED;
}
} else if (image->numcomps == 3) {
if (get_highest_prec (image) == 8) {
if (image->comps[1].dx == 1 && image->comps[1].dy == 1) {
self->fill_frame = fill_frame_planar8_3;
format = GST_VIDEO_FORMAT_Y444;
} else if (image->comps[1].dx == 2 && image->comps[1].dy == 1) {
self->fill_frame = fill_frame_planar8_3;
format = GST_VIDEO_FORMAT_Y42B;
} else if (image->comps[1].dx == 2 && image->comps[1].dy == 2) {
self->fill_frame = fill_frame_planar8_3;
format = GST_VIDEO_FORMAT_I420;
} else if (image->comps[1].dx == 4 && image->comps[1].dy == 1) {
self->fill_frame = fill_frame_planar8_3;
format = GST_VIDEO_FORMAT_Y41B;
} else if (image->comps[1].dx == 4 && image->comps[1].dy == 4) {
self->fill_frame = fill_frame_planar8_3;
format = GST_VIDEO_FORMAT_YUV9;
} else {
self->fill_frame = fill_frame_planar8_3_generic;
format = GST_VIDEO_FORMAT_AYUV;
}
} else if (get_highest_prec (image) <= 16) {
if (image->comps[0].prec == 10 &&
image->comps[1].prec == 10 && image->comps[2].prec == 10) {
if (image->comps[1].dx == 1 && image->comps[1].dy == 1) {
self->fill_frame = fill_frame_planar16_3;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
format = GST_VIDEO_FORMAT_Y444_10LE;
#else
format = GST_VIDEO_FORMAT_Y444_10BE;
#endif
} else if (image->comps[1].dx == 2 && image->comps[1].dy == 1) {
self->fill_frame = fill_frame_planar16_3;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
format = GST_VIDEO_FORMAT_I422_10LE;
#else
format = GST_VIDEO_FORMAT_I422_10BE;
#endif
} else if (image->comps[1].dx == 2 && image->comps[1].dy == 2) {
self->fill_frame = fill_frame_planar16_3;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
format = GST_VIDEO_FORMAT_I420_10LE;
#else
format = GST_VIDEO_FORMAT_I420_10BE;
#endif
} else {
self->fill_frame = fill_frame_planar16_3_generic;
format = GST_VIDEO_FORMAT_AYUV64;
}
} else {
self->fill_frame = fill_frame_planar16_3_generic;
format = GST_VIDEO_FORMAT_AYUV64;
}
} else {
GST_ERROR_OBJECT (self, "Unsupported depth %d",
get_highest_prec (image));
return GST_FLOW_NOT_NEGOTIATED;
}
} else {
GST_ERROR_OBJECT (self, "Unsupported number of YUV components: %d",
image->numcomps);
return GST_FLOW_NOT_NEGOTIATED;
}
break;
default:
GST_ERROR_OBJECT (self, "Unsupported colorspace %d", image->color_space);
return GST_FLOW_NOT_NEGOTIATED;
}
width = image->x1 - image->x0;
height = image->y1 - image->y0;
if (!self->output_state ||
self->output_state->info.finfo->format != format ||
self->output_state->info.width != width ||
self->output_state->info.height != height) {
if (self->output_state)
gst_video_codec_state_unref (self->output_state);
self->output_state =
gst_video_decoder_set_output_state (GST_VIDEO_DECODER (self), format,
width, height, self->input_state);
if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self)))
return GST_FLOW_NOT_NEGOTIATED;
}
return GST_FLOW_OK;
}
static void
gst_openjpeg_dec_opj_error (const char *msg, void *userdata)
{
GstOpenJPEGDec *self = GST_OPENJPEG_DEC (userdata);
gchar *trimmed = g_strchomp (g_strdup (msg));
GST_TRACE_OBJECT (self, "openjpeg error: %s", trimmed);
g_free (trimmed);
}
static void
gst_openjpeg_dec_opj_warning (const char *msg, void *userdata)
{
GstOpenJPEGDec *self = GST_OPENJPEG_DEC (userdata);
gchar *trimmed = g_strchomp (g_strdup (msg));
GST_TRACE_OBJECT (self, "openjpeg warning: %s", trimmed);
g_free (trimmed);
}
static void
gst_openjpeg_dec_opj_info (const char *msg, void *userdata)
{
GstOpenJPEGDec *self = GST_OPENJPEG_DEC (userdata);
gchar *trimmed = g_strchomp (g_strdup (msg));
GST_TRACE_OBJECT (self, "openjpeg info: %s", trimmed);
g_free (trimmed);
}
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;
}
static GstFlowReturn
gst_openjpeg_dec_handle_frame (GstVideoDecoder * decoder,
GstVideoCodecFrame * frame)
{
GstOpenJPEGDec *self = GST_OPENJPEG_DEC (decoder);
GstFlowReturn ret = GST_FLOW_OK;
gint64 deadline;
GstMapInfo map;
opj_codec_t *dec;
opj_stream_t *stream;
MemStream mstream;
opj_image_t *image;
GstVideoFrame vframe;
opj_dparameters_t params;
gint max_threads;
GST_DEBUG_OBJECT (self, "Handling frame");
deadline = gst_video_decoder_get_max_decode_time (decoder, frame);
if (deadline < 0) {
GST_LOG_OBJECT (self, "Dropping too late frame: deadline %" G_GINT64_FORMAT,
deadline);
ret = gst_video_decoder_drop_frame (decoder, frame);
return ret;
}
dec = opj_create_decompress (self->codec_format);
if (!dec)
goto initialization_error;
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);
}
params = self->params;
if (self->ncomps)
params.jpwl_exp_comps = self->ncomps;
if (!opj_setup_decoder (dec, &params))
goto open_error;
max_threads = g_atomic_int_get (&self->max_threads);
if (max_threads == 0)
max_threads = self->num_procs;
if (!opj_codec_set_threads (dec, max_threads))
GST_WARNING_OBJECT (self, "Failed to set %d number of threads",
max_threads);
if (!gst_buffer_map (frame->input_buffer, &map, GST_MAP_READ))
goto map_read_error;
if (self->is_jp2c && map.size < 8)
goto open_error;
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, NULL);
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;
{
gint i;
for (i = 0; i < image->numcomps; i++) {
if (image->comps[i].data == NULL)
goto decode_error;
}
}
gst_buffer_unmap (frame->input_buffer, &map);
ret = gst_openjpeg_dec_negotiate (self, image);
if (ret != GST_FLOW_OK)
goto negotiate_error;
ret = gst_video_decoder_allocate_output_frame (decoder, frame);
if (ret != GST_FLOW_OK)
goto allocate_error;
if (!gst_video_frame_map (&vframe, &self->output_state->info,
frame->output_buffer, GST_MAP_WRITE))
goto map_write_error;
self->fill_frame (&vframe, image);
gst_video_frame_unmap (&vframe);
opj_end_decompress (dec, stream);
opj_stream_destroy (stream);
opj_image_destroy (image);
opj_destroy_codec (dec);
ret = gst_video_decoder_finish_frame (decoder, frame);
return ret;
initialization_error:
{
gst_video_codec_frame_unref (frame);
GST_ELEMENT_ERROR (self, LIBRARY, INIT,
("Failed to initialize OpenJPEG decoder"), (NULL));
return GST_FLOW_ERROR;
}
map_read_error:
{
opj_destroy_codec (dec);
gst_video_codec_frame_unref (frame);
GST_ELEMENT_ERROR (self, CORE, FAILED,
("Failed to map input buffer"), (NULL));
return GST_FLOW_ERROR;
}
open_error:
{
opj_destroy_codec (dec);
gst_buffer_unmap (frame->input_buffer, &map);
gst_video_codec_frame_unref (frame);
GST_ELEMENT_ERROR (self, LIBRARY, INIT,
("Failed to open OpenJPEG stream"), (NULL));
return GST_FLOW_ERROR;
}
decode_error:
{
if (image)
opj_image_destroy (image);
opj_stream_destroy (stream);
opj_destroy_codec (dec);
gst_buffer_unmap (frame->input_buffer, &map);
gst_video_codec_frame_unref (frame);
GST_VIDEO_DECODER_ERROR (self, 1, STREAM, DECODE,
("Failed to decode OpenJPEG stream"), (NULL), ret);
return ret;
}
negotiate_error:
{
opj_image_destroy (image);
opj_stream_destroy (stream);
opj_destroy_codec (dec);
gst_video_codec_frame_unref (frame);
GST_ELEMENT_ERROR (self, CORE, NEGOTIATION,
("Failed to negotiate"), (NULL));
return ret;
}
allocate_error:
{
opj_image_destroy (image);
opj_stream_destroy (stream);
opj_destroy_codec (dec);
gst_video_codec_frame_unref (frame);
GST_ELEMENT_ERROR (self, CORE, FAILED,
("Failed to allocate output buffer"), (NULL));
return ret;
}
map_write_error:
{
opj_image_destroy (image);
opj_stream_destroy (stream);
opj_destroy_codec (dec);
gst_video_codec_frame_unref (frame);
GST_ELEMENT_ERROR (self, CORE, FAILED,
("Failed to map output buffer"), (NULL));
return GST_FLOW_ERROR;
}
}
static gboolean
gst_openjpeg_dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
{
GstBufferPool *pool;
GstStructure *config;
if (!GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation (decoder,
query))
return FALSE;
g_assert (gst_query_get_n_allocation_pools (query) > 0);
gst_query_parse_nth_allocation_pool (query, 0, &pool, NULL, NULL, NULL);
g_assert (pool != NULL);
config = gst_buffer_pool_get_config (pool);
if (gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL)) {
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
}
gst_buffer_pool_set_config (pool, config);
gst_object_unref (pool);
return TRUE;
}
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