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629 lines
18 KiB
C
629 lines
18 KiB
C
/* GStreamer
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* Copyright (C) 2008-2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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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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/* Implementation of SMPTE 384M - Mapping of Uncompressed Pictures into the MXF
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* Generic Container
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*/
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/* TODO:
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* - Handle CDCI essence
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* - Handle more formats with RGBA descriptor (4:4:4 / 4:4:4:4 YUV, RGB656, ...)
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* - Handle all the dimensions and other properties in the picture
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* essence descriptors correctly according to S377M Annex E
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* - Handle interlaced correctly, i.e. weave until we support one-field-per-buffer
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include <string.h>
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#include <gst/video/video.h>
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#include "mxfup.h"
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#include "mxfessence.h"
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GST_DEBUG_CATEGORY_EXTERN (mxf_debug);
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#define GST_CAT_DEFAULT mxf_debug
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static const struct
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{
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const gchar *format;
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guint32 n_pixel_layout;
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guint8 pixel_layout[10];
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const gchar *caps_string;
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} _rgba_mapping_table[] = {
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{
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"RGB", 3, {
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'R', 8, 'G', 8, 'B', 8}, GST_VIDEO_CAPS_MAKE ("RGB")}, {
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"BGR", 3, {
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'B', 8, 'G', 8, 'R', 8}, GST_VIDEO_CAPS_MAKE ("BGR")}, {
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"v308", 3, {
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'Y', 8, 'U', 8, 'V', 8}, GST_VIDEO_CAPS_MAKE ("v308")}, {
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"xRGB", 4, {
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'F', 8, 'R', 8, 'G', 8, 'B', 8}, GST_VIDEO_CAPS_MAKE ("xRGB")}, {
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"RGBx", 4, {
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'R', 8, 'G', 8, 'B', 8, 'F', 8}, GST_VIDEO_CAPS_MAKE ("RGBx")}, {
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"xBGR", 4, {
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'F', 8, 'B', 8, 'G', 8, 'R', 8}, GST_VIDEO_CAPS_MAKE ("xBGR")}, {
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"BGRx", 4, {
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'B', 8, 'G', 8, 'R', 8, 'F', 8}, GST_VIDEO_CAPS_MAKE ("BGRx")}, {
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"RGBA", 4, {
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'R', 8, 'G', 8, 'B', 8, 'A', 8}, GST_VIDEO_CAPS_MAKE ("RGBA")}, {
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"ARGB", 4, {
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'A', 8, 'R', 8, 'G', 8, 'B', 8}, GST_VIDEO_CAPS_MAKE ("RGBA")}, {
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"BGRA", 4, {
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'B', 8, 'G', 8, 'R', 8, 'A', 8}, GST_VIDEO_CAPS_MAKE ("BGRA")}, {
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"ABGR", 4, {
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'A', 8, 'B', 8, 'G', 8, 'R', 8}, GST_VIDEO_CAPS_MAKE ("ABGR")}, {
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"AYUV", 4, {
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'A', 8, 'Y', 8, 'U', 8, 'V', 8}, GST_VIDEO_CAPS_MAKE ("AYUV")}
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};
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static const struct
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{
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const gchar *format;
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guint bpp;
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guint horizontal_subsampling;
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guint vertical_subsampling;
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gboolean reversed_byte_order;
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const gchar *caps_string;
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} _cdci_mapping_table[] = {
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{
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"YUY2", 2, 1, 0, TRUE, GST_VIDEO_CAPS_MAKE ("YUY2")}, {
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"UYVY", 2, 1, 0, FALSE, GST_VIDEO_CAPS_MAKE ("UYVY")},};
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typedef struct
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{
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const gchar *format; /* video format string */
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gint width, height;
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guint bpp;
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guint32 image_start_offset;
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guint32 image_end_offset;
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} MXFUPMappingData;
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static gboolean
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mxf_is_up_essence_track (const MXFMetadataTimelineTrack * track)
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{
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guint i;
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g_return_val_if_fail (track != NULL, FALSE);
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if (track->parent.descriptor == NULL)
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return FALSE;
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for (i = 0; i < track->parent.n_descriptor; i++) {
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MXFMetadataFileDescriptor *d = track->parent.descriptor[i];
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MXFUL *key;
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if (!d)
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continue;
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key = &d->essence_container;
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/* SMPTE 384M 8 */
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if (mxf_is_generic_container_essence_container_label (key) &&
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key->u[12] == 0x02 && key->u[13] == 0x05 && key->u[15] <= 0x03)
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return TRUE;
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}
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return FALSE;
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}
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static GstFlowReturn
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mxf_up_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
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GstCaps * caps,
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MXFMetadataTimelineTrack * track,
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gpointer mapping_data, GstBuffer ** outbuf)
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{
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MXFUPMappingData *data = mapping_data;
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/* SMPTE 384M 7.1 */
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if (key->u[12] != 0x15 || (key->u[14] != 0x01 && key->u[14] != 0x02
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&& key->u[14] != 0x03 && key->u[14] != 0x04)) {
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GST_ERROR ("Invalid uncompressed picture essence element");
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return GST_FLOW_ERROR;
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}
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if (!data || (data->image_start_offset == 0 && data->image_end_offset == 0)) {
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} else {
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if (data->image_start_offset + data->image_end_offset
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> gst_buffer_get_size (buffer)) {
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gst_buffer_unref (buffer);
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GST_ERROR ("Invalid buffer size");
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return GST_FLOW_ERROR;
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} else {
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gst_buffer_resize (buffer, data->image_start_offset,
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data->image_end_offset - data->image_start_offset);
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}
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}
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if (gst_buffer_get_size (buffer) != data->bpp * data->width * data->height) {
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GST_ERROR ("Invalid buffer size");
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return GST_FLOW_ERROR;
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}
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if (data->bpp != 4
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|| GST_ROUND_UP_4 (data->width * data->bpp) != data->width * data->bpp) {
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guint y;
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GstBuffer *ret;
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GstMapInfo inmap, outmap;
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guint8 *indata, *outdata;
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ret =
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gst_buffer_new_and_alloc (GST_ROUND_UP_4 (data->width * data->bpp) *
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data->height);
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gst_buffer_map (buffer, &inmap, GST_MAP_READ);
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gst_buffer_map (ret, &outmap, GST_MAP_WRITE);
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indata = inmap.data;
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outdata = outmap.data;
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for (y = 0; y < data->height; y++) {
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memcpy (outdata, indata, data->width * data->bpp);
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outdata += GST_ROUND_UP_4 (data->width * data->bpp);
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indata += data->width * data->bpp;
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}
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gst_buffer_unmap (buffer, &inmap);
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gst_buffer_unmap (ret, &outmap);
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gst_buffer_unref (buffer);
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*outbuf = ret;
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} else {
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*outbuf = buffer;
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}
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return GST_FLOW_OK;
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}
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static MXFEssenceWrapping
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mxf_up_get_track_wrapping (const MXFMetadataTimelineTrack * track)
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{
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guint i;
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g_return_val_if_fail (track != NULL, MXF_ESSENCE_WRAPPING_CUSTOM_WRAPPING);
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if (track->parent.descriptor == NULL) {
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GST_ERROR ("No descriptor found for this track");
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return MXF_ESSENCE_WRAPPING_CUSTOM_WRAPPING;
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}
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for (i = 0; i < track->parent.n_descriptor; i++) {
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if (!track->parent.descriptor[i])
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continue;
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if (!MXF_IS_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (track->
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parent.descriptor[i]))
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continue;
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switch (track->parent.descriptor[i]->essence_container.u[15]) {
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case 0x01:
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return MXF_ESSENCE_WRAPPING_FRAME_WRAPPING;
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break;
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case 0x02:
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return MXF_ESSENCE_WRAPPING_CLIP_WRAPPING;
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break;
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default:
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return MXF_ESSENCE_WRAPPING_CUSTOM_WRAPPING;
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break;
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}
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}
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return MXF_ESSENCE_WRAPPING_CUSTOM_WRAPPING;
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}
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static GstCaps *
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mxf_up_rgba_create_caps (MXFMetadataTimelineTrack * track,
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MXFMetadataRGBAPictureEssenceDescriptor * d, GstTagList ** tags,
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MXFEssenceElementHandleFunc * handler, gpointer * mapping_data)
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{
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GstCaps *caps = NULL;
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guint i;
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const gchar *format = NULL;
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guint bpp;
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if (!d->pixel_layout) {
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GST_ERROR ("No pixel layout");
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return NULL;
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}
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for (i = 0; i < G_N_ELEMENTS (_rgba_mapping_table); i++) {
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if (d->n_pixel_layout != _rgba_mapping_table[i].n_pixel_layout)
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continue;
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if (memcmp (d->pixel_layout, &_rgba_mapping_table[i].pixel_layout,
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_rgba_mapping_table[i].n_pixel_layout * 2) == 0) {
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caps = gst_caps_from_string (_rgba_mapping_table[i].caps_string);
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format = _rgba_mapping_table[i].format;
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bpp = _rgba_mapping_table[i].n_pixel_layout;
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break;
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}
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}
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if (caps) {
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MXFUPMappingData *data = g_new0 (MXFUPMappingData, 1);
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mxf_metadata_generic_picture_essence_descriptor_set_caps (&d->parent, caps);
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data->width = d->parent.stored_width;
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data->height = d->parent.stored_height;
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data->format = format;
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data->bpp = bpp;
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data->image_start_offset =
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((MXFMetadataGenericPictureEssenceDescriptor *) d)->image_start_offset;
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data->image_end_offset =
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((MXFMetadataGenericPictureEssenceDescriptor *) d)->image_end_offset;
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*mapping_data = data;
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} else {
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GST_WARNING ("Unsupported pixel layout");
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}
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return caps;
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}
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static GstCaps *
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mxf_up_cdci_create_caps (MXFMetadataTimelineTrack * track,
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MXFMetadataCDCIPictureEssenceDescriptor * d, GstTagList ** tags,
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MXFEssenceElementHandleFunc * handler, gpointer * mapping_data)
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{
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GstCaps *caps = NULL;
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guint i;
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const gchar *format;
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guint bpp;
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for (i = 0; i < G_N_ELEMENTS (_cdci_mapping_table); i++) {
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if (_cdci_mapping_table[i].horizontal_subsampling ==
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d->horizontal_subsampling
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&& _cdci_mapping_table[i].vertical_subsampling ==
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d->vertical_subsampling
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&& _cdci_mapping_table[i].reversed_byte_order ==
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d->reversed_byte_order) {
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caps = gst_caps_from_string (_cdci_mapping_table[i].caps_string);
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format = _cdci_mapping_table[i].format;
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bpp = _cdci_mapping_table[i].bpp;
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break;
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}
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}
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if (caps) {
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MXFUPMappingData *data = g_new0 (MXFUPMappingData, 1);
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mxf_metadata_generic_picture_essence_descriptor_set_caps (&d->parent, caps);
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data->width = d->parent.stored_width;
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data->height = d->parent.stored_height;
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data->format = format;
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data->bpp = bpp;
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data->image_start_offset =
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((MXFMetadataGenericPictureEssenceDescriptor *) d)->image_start_offset;
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data->image_end_offset =
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((MXFMetadataGenericPictureEssenceDescriptor *) d)->image_end_offset;
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*mapping_data = data;
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} else {
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GST_WARNING ("Unsupported CDCI format");
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}
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return caps;
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}
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static GstCaps *
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mxf_up_create_caps (MXFMetadataTimelineTrack * track, GstTagList ** tags,
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MXFEssenceElementHandleFunc * handler, gpointer * mapping_data)
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{
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MXFMetadataGenericPictureEssenceDescriptor *p = NULL;
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MXFMetadataCDCIPictureEssenceDescriptor *c = NULL;
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MXFMetadataRGBAPictureEssenceDescriptor *r = NULL;
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guint i;
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GstCaps *caps = NULL;
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g_return_val_if_fail (track != NULL, NULL);
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if (track->parent.descriptor == NULL) {
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GST_ERROR ("No descriptor found for this track");
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return NULL;
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}
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for (i = 0; i < track->parent.n_descriptor; i++) {
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if (!track->parent.descriptor[i])
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continue;
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if (MXF_IS_METADATA_RGBA_PICTURE_ESSENCE_DESCRIPTOR (track->parent.
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descriptor[i])) {
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p = (MXFMetadataGenericPictureEssenceDescriptor *) track->parent.
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descriptor[i];
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r = (MXFMetadataRGBAPictureEssenceDescriptor *) track->parent.
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descriptor[i];
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break;
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} else if (MXF_IS_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR (track->
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parent.descriptor[i])) {
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p = (MXFMetadataGenericPictureEssenceDescriptor *) track->parent.
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descriptor[i];
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c = (MXFMetadataCDCIPictureEssenceDescriptor *) track->parent.
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descriptor[i];
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}
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}
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if (!p) {
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GST_ERROR ("No picture essence descriptor found for this track");
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return NULL;
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}
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*handler = mxf_up_handle_essence_element;
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if (r) {
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caps = mxf_up_rgba_create_caps (track, r, tags, handler, mapping_data);
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} else if (c) {
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caps = mxf_up_cdci_create_caps (track, c, tags, handler, mapping_data);
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} else {
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return NULL;
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}
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return caps;
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}
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static const MXFEssenceElementHandler mxf_up_essence_element_handler = {
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mxf_is_up_essence_track,
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mxf_up_get_track_wrapping,
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mxf_up_create_caps
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};
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static GstFlowReturn
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mxf_up_write_func (GstBuffer * buffer, gpointer mapping_data,
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GstAdapter * adapter, GstBuffer ** outbuf, gboolean flush)
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{
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MXFUPMappingData *data = mapping_data;
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if (!buffer)
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return GST_FLOW_OK;
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if (gst_buffer_get_size (buffer) !=
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GST_ROUND_UP_4 (data->bpp * data->width) * data->height) {
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GST_ERROR ("Invalid buffer size");
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return GST_FLOW_ERROR;
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}
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if (data->bpp != 4
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|| GST_ROUND_UP_4 (data->width * data->bpp) != data->width * data->bpp) {
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guint y;
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GstBuffer *ret;
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GstMapInfo inmap, outmap;
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guint8 *indata, *outdata;
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ret = gst_buffer_new_and_alloc (data->width * data->bpp * data->height);
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gst_buffer_map (buffer, &inmap, GST_MAP_READ);
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gst_buffer_map (ret, &outmap, GST_MAP_WRITE);
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indata = inmap.data;
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outdata = outmap.data;
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for (y = 0; y < data->height; y++) {
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memcpy (outdata, indata, data->width * data->bpp);
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indata += GST_ROUND_UP_4 (data->width * data->bpp);
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outdata += data->width * data->bpp;
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}
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gst_buffer_unmap (buffer, &inmap);
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gst_buffer_unmap (ret, &outmap);
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gst_buffer_unref (buffer);
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*outbuf = ret;
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} else {
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*outbuf = buffer;
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}
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return GST_FLOW_OK;
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}
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static const guint8 up_essence_container_ul[] = {
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0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01,
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0x0D, 0x01, 0x03, 0x01, 0x02, 0x05, 0x7F, 0x01
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};
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static MXFMetadataFileDescriptor *
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mxf_up_get_rgba_descriptor (GstPadTemplate * tmpl, GstCaps * caps,
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MXFEssenceElementWriteFunc * handler, gpointer * mapping_data)
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{
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MXFMetadataRGBAPictureEssenceDescriptor *ret;
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guint i;
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GstCaps *tmp, *intersection;
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MXFUPMappingData *md = g_new0 (MXFUPMappingData, 1);
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*mapping_data = md;
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ret = (MXFMetadataRGBAPictureEssenceDescriptor *)
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g_object_new (MXF_TYPE_METADATA_RGBA_PICTURE_ESSENCE_DESCRIPTOR, NULL);
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for (i = 0; i < G_N_ELEMENTS (_rgba_mapping_table); i++) {
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tmp = gst_caps_from_string (_rgba_mapping_table[i].caps_string);
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intersection = gst_caps_intersect (caps, tmp);
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gst_caps_unref (tmp);
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if (!gst_caps_is_empty (intersection)) {
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gst_caps_unref (intersection);
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ret->n_pixel_layout = _rgba_mapping_table[i].n_pixel_layout;
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ret->pixel_layout = g_new0 (guint8, ret->n_pixel_layout * 2);
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md->format = _rgba_mapping_table[i].format;
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md->bpp = _rgba_mapping_table[i].n_pixel_layout;
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memcpy (ret->pixel_layout, _rgba_mapping_table[i].pixel_layout,
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ret->n_pixel_layout * 2);
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break;
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}
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gst_caps_unref (intersection);
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}
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if (md->format == NULL) {
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GST_ERROR ("Invalid caps %" GST_PTR_FORMAT, caps);
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g_object_unref (ret);
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return NULL;
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}
|
|
|
|
|
|
memcpy (&ret->parent.parent.essence_container, &up_essence_container_ul, 16);
|
|
|
|
if (!mxf_metadata_generic_picture_essence_descriptor_from_caps (&ret->parent,
|
|
caps)) {
|
|
g_object_unref (ret);
|
|
return NULL;
|
|
}
|
|
|
|
md->width = ret->parent.stored_width;
|
|
md->height = ret->parent.stored_height;
|
|
|
|
*handler = mxf_up_write_func;
|
|
|
|
return (MXFMetadataFileDescriptor *) ret;
|
|
}
|
|
|
|
static MXFMetadataFileDescriptor *
|
|
mxf_up_get_cdci_descriptor (GstPadTemplate * tmpl, GstCaps * caps,
|
|
MXFEssenceElementWriteFunc * handler, gpointer * mapping_data)
|
|
{
|
|
MXFMetadataCDCIPictureEssenceDescriptor *ret;
|
|
guint i;
|
|
GstCaps *tmp, *intersection;
|
|
MXFUPMappingData *md = g_new0 (MXFUPMappingData, 1);
|
|
|
|
*mapping_data = md;
|
|
|
|
ret = (MXFMetadataCDCIPictureEssenceDescriptor *)
|
|
g_object_new (MXF_TYPE_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR, NULL);
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (_cdci_mapping_table); i++) {
|
|
tmp = gst_caps_from_string (_cdci_mapping_table[i].caps_string);
|
|
intersection = gst_caps_intersect (caps, tmp);
|
|
gst_caps_unref (tmp);
|
|
|
|
if (!gst_caps_is_empty (intersection)) {
|
|
gst_caps_unref (intersection);
|
|
ret->horizontal_subsampling =
|
|
_cdci_mapping_table[i].horizontal_subsampling;
|
|
ret->vertical_subsampling = _cdci_mapping_table[i].vertical_subsampling;
|
|
ret->reversed_byte_order = _cdci_mapping_table[i].reversed_byte_order;
|
|
md->format = _cdci_mapping_table[i].format;
|
|
md->bpp = _cdci_mapping_table[i].bpp;
|
|
break;
|
|
}
|
|
gst_caps_unref (intersection);
|
|
}
|
|
|
|
if (md->format == NULL) {
|
|
GST_ERROR ("Invalid caps %" GST_PTR_FORMAT, caps);
|
|
g_object_unref (ret);
|
|
return NULL;
|
|
}
|
|
|
|
memcpy (&ret->parent.parent.essence_container, &up_essence_container_ul, 16);
|
|
|
|
if (!mxf_metadata_generic_picture_essence_descriptor_from_caps (&ret->parent,
|
|
caps)) {
|
|
g_object_unref (ret);
|
|
return NULL;
|
|
}
|
|
|
|
md->width = ret->parent.stored_width;
|
|
md->height = ret->parent.stored_height;
|
|
|
|
*handler = mxf_up_write_func;
|
|
|
|
return (MXFMetadataFileDescriptor *) ret;
|
|
}
|
|
|
|
static MXFMetadataFileDescriptor *
|
|
mxf_up_get_descriptor (GstPadTemplate * tmpl, GstCaps * caps,
|
|
MXFEssenceElementWriteFunc * handler, gpointer * mapping_data)
|
|
{
|
|
GstStructure *s;
|
|
|
|
s = gst_caps_get_structure (caps, 0);
|
|
if (strcmp (gst_structure_get_name (s), "video/x-raw") == 0) {
|
|
const gchar *format;
|
|
|
|
format = gst_structure_get_string (s, "format");
|
|
if (format == NULL)
|
|
return NULL;
|
|
|
|
if (g_str_equal (format, "YUY2") || g_str_equal (format, "UYVY"))
|
|
return mxf_up_get_cdci_descriptor (tmpl, caps, handler, mapping_data);
|
|
else
|
|
return mxf_up_get_rgba_descriptor (tmpl, caps, handler, mapping_data);
|
|
}
|
|
|
|
g_assert_not_reached ();
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
mxf_up_update_descriptor (MXFMetadataFileDescriptor * d, GstCaps * caps,
|
|
gpointer mapping_data, GstBuffer * buf)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static void
|
|
mxf_up_get_edit_rate (MXFMetadataFileDescriptor * a, GstCaps * caps,
|
|
gpointer mapping_data, GstBuffer * buf, MXFMetadataSourcePackage * package,
|
|
MXFMetadataTimelineTrack * track, MXFFraction * edit_rate)
|
|
{
|
|
edit_rate->n = a->sample_rate.n;
|
|
edit_rate->d = a->sample_rate.d;
|
|
}
|
|
|
|
static guint32
|
|
mxf_up_get_track_number_template (MXFMetadataFileDescriptor * a,
|
|
GstCaps * caps, gpointer mapping_data)
|
|
{
|
|
return (0x15 << 24) | (0x02 << 8);
|
|
}
|
|
|
|
static MXFEssenceElementWriter mxf_up_essence_element_writer = {
|
|
mxf_up_get_descriptor,
|
|
mxf_up_update_descriptor,
|
|
mxf_up_get_edit_rate,
|
|
mxf_up_get_track_number_template,
|
|
NULL,
|
|
{{0,}}
|
|
};
|
|
|
|
void
|
|
mxf_up_init (void)
|
|
{
|
|
mxf_essence_element_handler_register (&mxf_up_essence_element_handler);
|
|
mxf_up_essence_element_writer.pad_template =
|
|
gst_pad_template_new ("up_video_sink_%u", GST_PAD_SINK, GST_PAD_REQUEST,
|
|
gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("RGB") "; "
|
|
GST_VIDEO_CAPS_MAKE ("BGR") "; "
|
|
GST_VIDEO_CAPS_MAKE ("RGBx") "; "
|
|
GST_VIDEO_CAPS_MAKE ("xRGB") "; "
|
|
GST_VIDEO_CAPS_MAKE ("BGRx") "; "
|
|
GST_VIDEO_CAPS_MAKE ("xBGR") "; "
|
|
GST_VIDEO_CAPS_MAKE ("ARGB") "; "
|
|
GST_VIDEO_CAPS_MAKE ("RGBA") "; "
|
|
GST_VIDEO_CAPS_MAKE ("ABGR") "; "
|
|
GST_VIDEO_CAPS_MAKE ("BGRA") "; "
|
|
GST_VIDEO_CAPS_MAKE ("AYUV") "; "
|
|
GST_VIDEO_CAPS_MAKE ("v308") "; "
|
|
GST_VIDEO_CAPS_MAKE ("UYVY") "; " GST_VIDEO_CAPS_MAKE ("YUY2")));
|
|
|
|
memcpy (&mxf_up_essence_element_writer.data_definition,
|
|
mxf_metadata_track_identifier_get (MXF_METADATA_TRACK_PICTURE_ESSENCE),
|
|
16);
|
|
mxf_essence_element_writer_register (&mxf_up_essence_element_writer);
|
|
}
|