--- /dev/null
+/* GStreamer
+ * Copyright (C) 2008 Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/* Implementation of SMPTE 386M - Mapping Type-D10 essence data into the MXF
+ * Generic Container
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+#include <string.h>
+
+#include "mxfd10.h"
+#include "mxfmpeg.h"
+#include "mxfaes-bwf.h"
+
+GST_DEBUG_CATEGORY_EXTERN (mxf_debug);
+#define GST_CAT_DEFAULT mxf_debug
+
+gboolean
+mxf_is_d10_essence_track (const MXFMetadataTrack * track)
+{
+ guint i;
+
+ g_return_val_if_fail (track != NULL, FALSE);
+
+ if (track->descriptor == NULL)
+ return FALSE;
+
+ for (i = 0; i < track->n_descriptor; i++) {
+ MXFMetadataFileDescriptor *d = track->descriptor[i];
+ MXFUL *key = &d->essence_container;
+ /* SMPTE 386M 5.1 */
+ if (mxf_is_generic_container_essence_container_label (key) &&
+ key->u[12] == 0x02 && key->u[13] == 0x01 &&
+ (key->u[14] >= 0x01 && key->u[14] <= 0x06) &&
+ (key->u[15] == 0x01 || key->u[15] == 0x02))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static GstFlowReturn
+mxf_d10_picture_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
+ GstCaps * caps, MXFMetadataGenericPackage * package,
+ MXFMetadataTrack * track, MXFMetadataStructuralComponent * component,
+ gpointer mapping_data, GstBuffer ** outbuf)
+{
+ *outbuf = buffer;
+
+ /* SMPTE 386M 5.2.1 */
+ if (key->u[12] != 0x05 || key->u[13] != 0x01 || key->u[14] != 0x01) {
+ GST_ERROR ("Invalid D10 picture essence element");
+ return GST_FLOW_ERROR;
+ }
+
+ return GST_FLOW_OK;
+}
+
+static GstFlowReturn
+mxf_d10_sound_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
+ GstCaps * caps, MXFMetadataGenericPackage * package,
+ MXFMetadataTrack * track, MXFMetadataStructuralComponent * component,
+ gpointer mapping_data, GstBuffer ** outbuf)
+{
+ guint i, j, nsamples;
+ gint width, channels;
+ GstStructure *s = gst_caps_get_structure (caps, 0);
+ const guint8 *indata;
+ guint8 *outdata;
+
+ if (!gst_structure_get_int (s, "width", &width) ||
+ !gst_structure_get_int (s, "channels", &channels)) {
+ GST_ERROR ("Invalid caps");
+ return GST_FLOW_ERROR;
+ }
+
+ width /= 8;
+
+ /* SMPTE 386M 5.3.1 */
+ if (key->u[12] != 0x06 || key->u[13] != 0x01 || key->u[14] != 0x10) {
+ GST_ERROR ("Invalid D10 sound essence element");
+ return GST_FLOW_ERROR;
+ }
+
+ /* Now transform raw AES3 into raw audio, see SMPTE 331M */
+ if ((GST_BUFFER_SIZE (buffer) - 4) % 32 != 0) {
+ GST_ERROR ("Invalid D10 sound essence buffer size");
+ return GST_FLOW_ERROR;
+ }
+
+ nsamples = ((GST_BUFFER_SIZE (buffer) - 4) / 4) / 8;
+
+ *outbuf = gst_buffer_new_and_alloc (nsamples * width * channels);
+ gst_buffer_copy_metadata (*outbuf, buffer,
+ GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS |
+ GST_BUFFER_COPY_CAPS);
+
+ indata = GST_BUFFER_DATA (buffer);
+ outdata = GST_BUFFER_DATA (*outbuf);
+
+ for (i = 0; i < nsamples; i++) {
+ for (j = 0; j < channels; j++) {
+ guint32 in = GST_READ_UINT32_LE (indata);
+
+ if (width == 2) {
+ in = (in >> 12) & 0xffff;
+ GST_WRITE_UINT16_LE (outdata, in);
+ } else if (width == 3) {
+ in = (in >> 4) & 0xffffff;
+ GST_WRITE_UINT24_LE (outdata, in);
+ }
+ indata += 4;
+ outdata += width;
+ }
+ indata += 4 * (8 - channels);
+ }
+
+ gst_buffer_unref (buffer);
+
+ return GST_FLOW_OK;
+}
+
+GstCaps *
+mxf_d10_create_caps (MXFMetadataGenericPackage * package,
+ MXFMetadataTrack * track, GstTagList ** tags,
+ MXFEssenceElementHandler * handler, gpointer * mapping_data)
+{
+ MXFMetadataGenericPictureEssenceDescriptor *p = NULL;
+ MXFMetadataGenericSoundEssenceDescriptor *s = NULL;
+ guint i;
+ GstCaps *caps = NULL;
+
+ g_return_val_if_fail (package != NULL, NULL);
+ g_return_val_if_fail (track != NULL, NULL);
+
+ if (track->descriptor == NULL) {
+ GST_ERROR ("No descriptor found for this track");
+ return NULL;
+ }
+
+ for (i = 0; i < track->n_descriptor; i++) {
+ if (((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
+ MXF_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR ||
+ ((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
+ MXF_METADATA_MPEG_VIDEO_DESCRIPTOR ||
+ ((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
+ MXF_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR) {
+ p = (MXFMetadataGenericPictureEssenceDescriptor *) track->descriptor[i];
+ break;
+ } else if (((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
+ MXF_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR ||
+ ((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
+ MXF_METADATA_WAVE_AUDIO_ESSENCE_DESCRIPTOR ||
+ ((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
+ MXF_METADATA_AES3_AUDIO_ESSENCE_DESCRIPTOR) {
+ s = (MXFMetadataGenericSoundEssenceDescriptor *) track->descriptor[i];
+ break;
+ }
+ }
+
+ if (!s && !p) {
+ GST_ERROR ("No descriptor found for this track");
+ return NULL;
+ }
+
+ if (!*tags)
+ *tags = gst_tag_list_new ();
+
+ if (s) {
+ if (s->channel_count == 0 ||
+ s->quantization_bits == 0 ||
+ s->audio_sampling_rate.n == 0 || s->audio_sampling_rate.d == 0) {
+ GST_ERROR ("Invalid descriptor");
+ return NULL;
+ }
+
+ if (s->quantization_bits != 16 && s->quantization_bits != 24) {
+ GST_ERROR ("Invalid width %u", s->quantization_bits);
+ return NULL;
+ }
+
+ /* FIXME: set channel layout */
+
+ caps = gst_caps_new_simple ("audio/x-raw-int",
+ "rate", G_TYPE_INT,
+ (gint) (((gdouble) s->audio_sampling_rate.n) /
+ ((gdouble) s->audio_sampling_rate.d) + 0.5), "channels",
+ G_TYPE_INT, s->channel_count, "signed", G_TYPE_BOOLEAN,
+ (s->quantization_bits != 8), "endianness", G_TYPE_INT, G_LITTLE_ENDIAN,
+ "depth", G_TYPE_INT, s->quantization_bits, "width", G_TYPE_INT,
+ s->quantization_bits, NULL);
+
+ *handler = mxf_d10_sound_handle_essence_element;
+
+ gst_tag_list_add (*tags, GST_TAG_MERGE_APPEND, GST_TAG_VIDEO_CODEC,
+ "SMPTE D-10 Audio", NULL);
+ } else if (p) {
+ caps =
+ gst_caps_new_simple ("video/mpeg", "systemstream", G_TYPE_BOOLEAN,
+ FALSE, "mpegversion", G_TYPE_INT, 2, NULL);
+ mxf_metadata_generic_picture_essence_descriptor_set_caps (p, caps);
+
+ *handler = mxf_d10_picture_handle_essence_element;
+ gst_tag_list_add (*tags, GST_TAG_MERGE_APPEND, GST_TAG_VIDEO_CODEC,
+ "SMPTE D-10 Video", NULL);
+ }
+
+ return caps;
+}
#include "mxfdv-dif.h"
#include "mxfalaw.h"
#include "mxfjpeg2000.h"
+#include "mxfd10.h"
#include <string.h>
MXFMetadataEssenceContainerData, i);
for (j = 0; j < demux->content_storage.n_essence_container_data; j++) {
- if (mxf_ul_is_equal (&demux->
- content_storage.essence_container_data_uids[j],
- &data->instance_uid)) {
+ if (mxf_ul_is_equal (&demux->content_storage.
+ essence_container_data_uids[j], &data->instance_uid)) {
demux->content_storage.essence_container_data[j] = data;
break;
}
caps =
mxf_jpeg2000_create_caps (source_package, source_track,
&pad->tags, &pad->handle_essence_element, &pad->mapping_data);
+ else if (mxf_is_d10_essence_track (source_track))
+ caps =
+ mxf_d10_create_caps (source_package, source_track,
+ &pad->tags, &pad->handle_essence_element, &pad->mapping_data);
break;
case MXF_METADATA_TRACK_SOUND_ESSENCE:
if (mxf_is_aes_bwf_essence_track (source_track))
caps =
mxf_mpeg_create_caps (source_package, source_track,
&pad->tags, &pad->handle_essence_element, &pad->mapping_data);
+ else if (mxf_is_d10_essence_track (source_track))
+ caps =
+ mxf_d10_create_caps (source_package, source_track,
+ &pad->tags, &pad->handle_essence_element, &pad->mapping_data);
break;
case MXF_METADATA_TRACK_DATA_ESSENCE:
if (mxf_is_dv_dif_essence_track (source_track))
caps =
mxf_dv_dif_create_caps (source_package, source_track,
&pad->tags, &pad->handle_essence_element, &pad->mapping_data);
+ else if (mxf_is_mpeg_essence_track (source_track))
+ caps =
+ mxf_mpeg_create_caps (source_package, source_track,
+ &pad->tags, &pad->handle_essence_element, &pad->mapping_data);
+ else if (mxf_is_d10_essence_track (source_track))
+ caps =
+ mxf_d10_create_caps (source_package, source_track,
+ &pad->tags, &pad->handle_essence_element, &pad->mapping_data);
break;
default:
g_assert_not_reached ();
projects / platform / upstream / gstreamer.git / commitdiff