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openjpeg: set sampling in the caps
https://bugzilla.gnome.org/show_bug.cgi?id=766236
This commit is contained in:
Aaron Boxer
Sebastian Dröge
parent
851c89ded9
commit
eebb65e934
3 changed files with 153 additions and 12 deletions
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@ -25,6 +25,7 @@
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#endif
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#include "gstopenjpegenc.h"
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#include "gst/videoparsers/gstjpeg2000sampling.h"
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#include <string.h>
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@ -115,11 +116,13 @@ static GstStaticPadTemplate gst_openjpeg_enc_src_template =
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"width = (int) [1, MAX], "
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"height = (int) [1, MAX], "
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"num-components = (int) [1, 4], "
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GST_RTP_J2K_SAMPLING_LIST ","
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"colorspace = (string) { sRGB, sYUV, GRAY }; "
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"image/x-jpc, "
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"width = (int) [1, MAX], "
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"height = (int) [1, MAX], "
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"num-components = (int) [1, 4], "
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GST_RTP_J2K_SAMPLING_LIST ","
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"colorspace = (string) { sRGB, sYUV, GRAY }; "
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"image/jp2, " "width = (int) [1, MAX], " "height = (int) [1, MAX]")
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);
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@ -557,7 +560,8 @@ gst_openjpeg_enc_set_format (GstVideoEncoder * encoder,
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GstOpenJPEGEnc *self = GST_OPENJPEG_ENC (encoder);
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GstCaps *allowed_caps, *caps;
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GstStructure *s;
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const gchar *colorspace;
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const gchar *colorspace = NULL;
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const gchar *sampling = NULL;
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gint ncomps;
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GST_DEBUG_OBJECT (self, "Setting format: %" GST_PTR_FORMAT, state->caps);
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@ -588,6 +592,7 @@ gst_openjpeg_enc_set_format (GstVideoEncoder * encoder,
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ncomps = 4;
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break;
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case GST_VIDEO_FORMAT_ARGB:
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case GST_VIDEO_FORMAT_AYUV:
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self->fill_image = fill_image_packed8_4;
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ncomps = 4;
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break;
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@ -608,10 +613,6 @@ gst_openjpeg_enc_set_format (GstVideoEncoder * encoder,
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self->fill_image = fill_image_planar16_3;
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ncomps = 3;
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break;
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case GST_VIDEO_FORMAT_AYUV:
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self->fill_image = fill_image_packed8_3;
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ncomps = 3;
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break;
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case GST_VIDEO_FORMAT_Y444:
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case GST_VIDEO_FORMAT_Y42B:
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case GST_VIDEO_FORMAT_I420:
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@ -633,18 +634,71 @@ gst_openjpeg_enc_set_format (GstVideoEncoder * encoder,
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g_assert_not_reached ();
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}
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if ((state->info.finfo->flags & GST_VIDEO_FORMAT_FLAG_YUV))
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/* sampling */
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/* note: encoder re-orders channels so that alpha channel is encoded as the last channel */
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switch (state->info.finfo->format) {
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case GST_VIDEO_FORMAT_ARGB64:
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case GST_VIDEO_FORMAT_ARGB:
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sampling = GST_RTP_J2K_RGBA;
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break;
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case GST_VIDEO_FORMAT_AYUV64:
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case GST_VIDEO_FORMAT_AYUV:
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sampling = GST_RTP_J2K_YBRA;
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break;
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case GST_VIDEO_FORMAT_xRGB:
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sampling = GST_RTP_J2K_RGB;
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break;
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case GST_VIDEO_FORMAT_Y444_10LE:
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case GST_VIDEO_FORMAT_Y444_10BE:
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case GST_VIDEO_FORMAT_Y444:
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sampling = GST_RTP_J2K_YBR444;
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break;
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case GST_VIDEO_FORMAT_I422_10LE:
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case GST_VIDEO_FORMAT_I422_10BE:
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case GST_VIDEO_FORMAT_Y42B:
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sampling = GST_RTP_J2K_YBR422;
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break;
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case GST_VIDEO_FORMAT_YUV9:
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sampling = GST_RTP_J2K_YBR410;
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break;
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case GST_VIDEO_FORMAT_I420_10LE:
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case GST_VIDEO_FORMAT_I420_10BE:
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case GST_VIDEO_FORMAT_I420:
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sampling = GST_RTP_J2K_YBR420;
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break;
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case GST_VIDEO_FORMAT_GRAY8:
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case GST_VIDEO_FORMAT_GRAY16_LE:
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case GST_VIDEO_FORMAT_GRAY16_BE:
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sampling = GST_RTP_J2K_GRAYSCALE;
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break;
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default:
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break;
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}
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if ((state->info.finfo->flags & GST_VIDEO_FORMAT_FLAG_YUV)) {
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colorspace = "sYUV";
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else if ((state->info.finfo->flags & GST_VIDEO_FORMAT_FLAG_RGB))
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} else if ((state->info.finfo->flags & GST_VIDEO_FORMAT_FLAG_RGB)) {
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colorspace = "sRGB";
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else if ((state->info.finfo->flags & GST_VIDEO_FORMAT_FLAG_GRAY))
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} else if ((state->info.finfo->flags & GST_VIDEO_FORMAT_FLAG_GRAY)) {
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colorspace = "GRAY";
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else
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} else
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g_return_val_if_reached (FALSE);
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caps = gst_caps_new_simple (gst_structure_get_name (s),
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"colorspace", G_TYPE_STRING, colorspace,
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"num-components", G_TYPE_INT, ncomps, NULL);
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if (sampling) {
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caps = gst_caps_new_simple (gst_structure_get_name (s),
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"colorspace", G_TYPE_STRING, colorspace,
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"sampling", G_TYPE_STRING, sampling,
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"num-components", G_TYPE_INT, ncomps, NULL);
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} else {
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caps = gst_caps_new_simple (gst_structure_get_name (s),
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"colorspace", G_TYPE_STRING, colorspace,
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"num-components", G_TYPE_INT, ncomps, NULL);
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}
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gst_caps_unref (allowed_caps);
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if (self->output_state)
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@ -29,6 +29,7 @@ noinst_HEADERS = gsth263parse.h h263parse.h \
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gstdiracparse.h dirac_parse.h \
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gsth264parse.h gstmpegvideoparse.h \
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gstmpeg4videoparse.h \
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gstjpeg2000sampling.h \
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gstpngparse.h \
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gstvc1parse.h \
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gsth265parse.h
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86
gst/videoparsers/gstjpeg2000sampling.h
Normal file
86
gst/videoparsers/gstjpeg2000sampling.h
Normal file
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@ -0,0 +1,86 @@
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/* GStreamer JPEG 2000 Sampling
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* Copyright (C) <2016> Grok Image Compression Inc.
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* @author Aaron Boxer <boxerab@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_JPEG2000_SAMPLING_H__
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#define __GST_JPEG2000_SAMPLING_H__
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/* Sampling values from RF 5371 for JPEG 2000 over RTP : https://datatracker.ietf.org/doc/rfc5371/C
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RGB: standard Red, Green, Blue color space.
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BGR: standard Blue, Green, Red color space.
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RGBA: standard Red, Green, Blue, Alpha color space.
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BGRA: standard Blue, Green, Red, Alpha color space.
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YCbCr-4:4:4: standard YCbCr color space; no subsampling.
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YCbCr-4:2:2: standard YCbCr color space; Cb and Cr are subsampled horizontally by 1/2.
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YCbCr-4:2:0: standard YCbCr color space; Cb and Cr are subsampled horizontally and vertically by 1/2.
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YCbCr-4:1:1: standard YCbCr color space; Cb and Cr are subsampled vertically by 1/4.
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GRAYSCALE: basically, a single component image of just multilevels of grey.
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*/
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#define GST_RTP_J2K_RGB "RGB"
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#define GST_RTP_J2K_BGR "BGR"
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#define GST_RTP_J2K_RGBA "RGBA"
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#define GST_RTP_J2K_BGRA "BGRA"
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#define GST_RTP_J2K_YBRA "YCbCrA"
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#define GST_RTP_J2K_YBR444 "YCbCr-4:4:4"
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#define GST_RTP_J2K_YBR422 "YCbCr-4:2:2"
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#define GST_RTP_J2K_YBR420 "YCbCr-4:2:0"
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#define GST_RTP_J2K_YBR410 "YCbCr-4:1:0"
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#define GST_RTP_J2K_GRAYSCALE "GRAYSCALE"
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#define GST_RTP_J2K_SAMPLING_LIST "sampling = (string) {\"RGB\", \"BGR\", \"RGBA\", \"BGRA\", \"YCbCrA\", \"YCbCr-4:4:4\", \"YCbCr-4:2:2\", \"YCbCr-4:2:0\", \"YCbCr-4:1:1\", \"GRAYSCALE\"}"
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/*
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* GstJ2KMarker:
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* @GST_J2K_MARKER: Prefix for JPEG 2000 marker
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* @GST_J2K_MARKER_SOC: Start of code stream
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* @GST_J2K_MARKER_SOT: Start of tile
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* @GST_J2K_MARKER_EOC: End of code stream
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*
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* Identifiers for markers in JPEG 2000 code streams
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*/
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typedef enum
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{
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GST_J2K_MARKER = 0xFF,
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GST_J2K_MARKER_SOC = 0x4F,
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GST_J2K_MARKER_SIZ = 0x51,
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GST_J2K_MARKER_COD = 0x52,
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GST_J2K_MARKER_SOT = 0x90,
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GST_J2K_MARKER_SOP = 0x91,
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GST_J2K_MARKER_EPH = 0x92,
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GST_J2K_MARKER_SOD = 0x93,
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GST_J2K_MARKER_EOC = 0xD9
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} GstJ2KMarker;
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#endif
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