| /* |
| * Copyright (C) 2018 Metrological Group B.V. |
| * Copyright (C) 2018, 2020 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. |
| */ |
| |
| #pragma once |
| |
| #if USE(GSTREAMER) |
| |
| #include "AudioStreamDescription.h" |
| #include "GStreamerCommon.h" |
| #include <gst/audio/audio.h> |
| |
| namespace WebCore { |
| |
| class GStreamerAudioStreamDescription final: public AudioStreamDescription { |
| public: |
| GStreamerAudioStreamDescription(GstAudioInfo&& info) |
| : m_info(WTFMove(info)) |
| , m_caps(adoptGRef(gst_audio_info_to_caps(&m_info))) |
| { |
| } |
| |
| GStreamerAudioStreamDescription(const GstAudioInfo& info) |
| : m_info(info) |
| , m_caps(adoptGRef(gst_audio_info_to_caps(&m_info))) |
| { |
| } |
| |
| GStreamerAudioStreamDescription(GstAudioInfo* info) |
| : m_info(*info) |
| , m_caps(adoptGRef(gst_audio_info_to_caps(&m_info))) |
| { |
| } |
| |
| GStreamerAudioStreamDescription() |
| { |
| gst_audio_info_init(&m_info); |
| } |
| |
| ~GStreamerAudioStreamDescription() = default; |
| |
| const PlatformDescription& platformDescription() const |
| { |
| m_platformDescription = { PlatformDescription::GStreamerAudioStreamDescription, reinterpret_cast<const AudioStreamBasicDescription*>(&m_info) }; |
| |
| return m_platformDescription; |
| } |
| |
| PCMFormat format() const final |
| { |
| switch (GST_AUDIO_INFO_FORMAT(&m_info)) { |
| case GST_AUDIO_FORMAT_S16LE: |
| case GST_AUDIO_FORMAT_S16BE: |
| return Int16; |
| case GST_AUDIO_FORMAT_S32LE: |
| case GST_AUDIO_FORMAT_S32BE: |
| return Int32; |
| case GST_AUDIO_FORMAT_F32LE: |
| case GST_AUDIO_FORMAT_F32BE: |
| return Float32; |
| case GST_AUDIO_FORMAT_F64LE: |
| case GST_AUDIO_FORMAT_F64BE: |
| return Float64; |
| default: |
| break; |
| } |
| return None; |
| } |
| |
| double sampleRate() const final { return GST_AUDIO_INFO_RATE(&m_info); } |
| bool isPCM() const final { return format() != None; } |
| bool isInterleaved() const final { return GST_AUDIO_INFO_LAYOUT(&m_info) == GST_AUDIO_LAYOUT_INTERLEAVED; } |
| bool isSignedInteger() const final { return GST_AUDIO_INFO_IS_INTEGER(&m_info); } |
| bool isNativeEndian() const final { return GST_AUDIO_INFO_ENDIANNESS(&m_info) == G_BYTE_ORDER; } |
| bool isFloat() const final { return GST_AUDIO_INFO_IS_FLOAT(&m_info); } |
| int bytesPerFrame() { return GST_AUDIO_INFO_BPF(&m_info); } |
| |
| uint32_t numberOfInterleavedChannels() const final { return isInterleaved() ? GST_AUDIO_INFO_CHANNELS(&m_info) : TRUE; } |
| uint32_t numberOfChannelStreams() const final { return GST_AUDIO_INFO_CHANNELS(&m_info); } |
| uint32_t numberOfChannels() const final { return GST_AUDIO_INFO_CHANNELS(&m_info); } |
| uint32_t sampleWordSize() const final { return GST_AUDIO_INFO_BPS(&m_info); } |
| |
| bool operator==(const GStreamerAudioStreamDescription& other) { return gst_audio_info_is_equal(&m_info, &other.m_info); } |
| bool operator!=(const GStreamerAudioStreamDescription& other) { return !operator == (other); } |
| |
| const GRefPtr<GstCaps>& caps() const { return m_caps; } |
| const GstAudioInfo& getInfo() const { return m_info; } |
| |
| private: |
| GstAudioInfo m_info; |
| GRefPtr<GstCaps> m_caps; |
| mutable PlatformDescription m_platformDescription; |
| }; |
| |
| } // WebCore |
| |
| #endif // USE(GSTREAMER) |