AampGstUtils.cpp

Go to the documentation of this file.

/*
 * If not stated otherwise in this file or this component's license file the
 * following copyright and licenses apply:
 *
 * Copyright 2021 RDK Management
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
*/
 
/**
 * @file AampGstUtils.cpp
 * @brief Impl for utility functions defined in AampGstUtils.h
 */
 
#include "AampGstUtils.h"
#include "priv_aamp.h" // Included for AAMPLOG
//TODO: Fix cyclic dependency btw GlobalConfig and AampLogManager
 
/**
 * @brief Parse format to generate GstCaps
 */
GstCaps* GetGstCaps(StreamOutputFormat format)
{
        GstCaps * caps = NULL;
        switch (format)
        {
                case FORMAT_MPEGTS:
                        caps = gst_caps_new_simple ("video/mpegts",
                                        "systemstream", G_TYPE_BOOLEAN, TRUE,
                                        "packetsize", G_TYPE_INT, 188, NULL);
                        break;
                case FORMAT_ISO_BMFF:
                        caps = gst_caps_new_simple("video/quicktime", NULL, NULL);
                        break;
                case FORMAT_AUDIO_ES_AAC:
                        caps = gst_caps_new_simple ("audio/mpeg",
                                        "mpegversion", G_TYPE_INT, 2,
                                        "stream-format", G_TYPE_STRING, "adts", NULL);
                        break;
                case FORMAT_AUDIO_ES_AC3:
                        caps = gst_caps_new_simple ("audio/x-ac3", NULL, NULL);
                        break;
 
                case FORMAT_AUDIO_ES_AC4:
                        caps = gst_caps_new_simple ("audio/x-ac4", NULL, NULL);
                        break;
 
                case FORMAT_SUBTITLE_TTML:
                        caps = gst_caps_new_simple("application/ttml+xml", NULL, NULL);
                        break;
                case FORMAT_SUBTITLE_WEBVTT:
                        caps = gst_caps_new_simple("text/vtt", NULL, NULL);
                        break;
                case FORMAT_SUBTITLE_MP4:
                        caps = gst_caps_new_simple("application/mp4", NULL, NULL);
                        break;
                case FORMAT_AUDIO_ES_ATMOS:
                        // Todo :: a) Test with all platforms if atmos works 
                        //         b) Test to see if x-eac3 config is enough for atmos stream.
                        //              if x-eac3 is enough then both switch cases can be combined
                        caps = gst_caps_new_simple ("audio/x-eac3", NULL, NULL);
                        break;
                case FORMAT_AUDIO_ES_EC3:
                        caps = gst_caps_new_simple ("audio/x-eac3", NULL, NULL);
                        break;
                case FORMAT_VIDEO_ES_H264:
#ifdef INTELCE
                        caps = gst_caps_new_simple ("video/x-h264",
                                        "stream-format", G_TYPE_STRING, "avc",
                                        "width", G_TYPE_INT, 1920,
                                        "height", G_TYPE_INT, 1080,
                                        NULL);
#elif (defined(RPI) || defined(__APPLE__) || defined(UBUNTU))
                        caps = gst_caps_new_simple ("video/x-h264",
                                       "alignment", G_TYPE_STRING, "au",
                                       "stream-format", G_TYPE_STRING, "avc",
                                       NULL);
#elif (defined(REALTEKCE))
                        caps = gst_caps_new_simple ("video/x-h264", "enable-fastplayback", G_TYPE_STRING, "true", NULL);
#else
                        caps = gst_caps_new_simple ("video/x-h264", NULL, NULL);
#endif
                        break;
                case FORMAT_VIDEO_ES_HEVC:
#if (defined(RPI) || defined(__APPLE__) || defined(UBUNTU))
                        caps = gst_caps_new_simple ("video/x-h265",
                                        "alignment", G_TYPE_STRING, "au",
                                        "stream-format", G_TYPE_STRING, "hev1",
                                        NULL);
#elif (defined(REALTEKCE))
                        caps = gst_caps_new_simple ("video/x-h265", "enable-fastplayback", G_TYPE_STRING, "true", NULL);
#else
                        caps = gst_caps_new_simple ("video/x-h265", NULL, NULL);
#endif
                        break;
                case FORMAT_VIDEO_ES_MPEG2:
                        caps = gst_caps_new_simple ("video/mpeg",
                                        "mpegversion", G_TYPE_INT, 2,
                                        "systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
                        break;  //CID:81305 - Using break statement
                case FORMAT_UNKNOWN:
                        AAMPLOG_WARN("Unknown format %d", format);
                        break;
                case FORMAT_INVALID:
                default:
                        AAMPLOG_WARN("Unsupported format %d", format);
                        break;
        }
        return caps;
}