| /* |
| * Copyright (C) 2016 Metrological Group B.V. |
| * Copyright (C) 2016 Igalia S.L |
| * |
| * 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 |
| * aint with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #include "config.h" |
| #include "GStreamerMediaDescription.h" |
| #include "GStreamerCommon.h" |
| |
| #include <gst/pbutils/pbutils.h> |
| #include <wtf/text/AtomString.h> |
| #include <wtf/text/WTFString.h> |
| |
| #if ENABLE(VIDEO) && USE(GSTREAMER) && ENABLE(MEDIA_SOURCE) |
| |
| namespace WebCore { |
| |
| AtomString GStreamerMediaDescription::codec() const |
| { |
| return m_codecName; |
| } |
| |
| bool GStreamerMediaDescription::isVideo() const |
| { |
| return doCapsHaveType(m_caps.get(), GST_VIDEO_CAPS_TYPE_PREFIX); |
| } |
| |
| bool GStreamerMediaDescription::isAudio() const |
| { |
| return doCapsHaveType(m_caps.get(), GST_AUDIO_CAPS_TYPE_PREFIX); |
| } |
| |
| bool GStreamerMediaDescription::isText() const |
| { |
| // FIXME: Implement proper text track support. |
| return false; |
| } |
| |
| AtomString GStreamerMediaDescription::extractCodecName() |
| { |
| GRefPtr<GstCaps> originalCaps = m_caps; |
| |
| if (areEncryptedCaps(originalCaps.get())) { |
| originalCaps = adoptGRef(gst_caps_copy(originalCaps.get())); |
| GstStructure* structure = gst_caps_get_structure(originalCaps.get(), 0); |
| |
| if (!gst_structure_has_field(structure, "original-media-type")) |
| return AtomString(); |
| |
| gst_structure_set_name(structure, gst_structure_get_string(structure, "original-media-type")); |
| // Remove the DRM related fields from the caps. |
| for (int j = 0; j < gst_structure_n_fields(structure); ++j) { |
| const char* fieldName = gst_structure_nth_field_name(structure, j); |
| |
| if (g_str_has_prefix(fieldName, "protection-system") |
| || g_str_has_prefix(fieldName, "original-media-type")) |
| gst_structure_remove_field(structure, fieldName); |
| } |
| } |
| |
| GUniquePtr<gchar> description(gst_pb_utils_get_codec_description(originalCaps.get())); |
| String codecName(description.get()); |
| |
| // Report "H.264 (Main Profile)" and "H.264 (High Profile)" just as "H.264" to allow changes between both variants |
| // go unnoticed to the SourceBuffer layer. |
| if (codecName.startsWith("H.264")) { |
| size_t braceStart = codecName.find(" ("); |
| size_t braceEnd = codecName.find(")"); |
| if (braceStart != notFound && braceEnd != notFound) |
| codecName.remove(braceStart, braceEnd - braceStart); |
| } |
| |
| return codecName; |
| } |
| |
| } // namespace WebCore. |
| |
| #endif // USE(GSTREAMER) |