Bug FIxes, Add example for group call

README.md

@@ -153,6 +153,8 @@ client.AddInlineHandler("<pattern>", func(iq *telegram.InlineQuery) error {
 - [x] MessageMediaPoll, UserFull Decode Fails
 - [x] invokeWithLayer channel missing while bad Salt
 - [x] tcp.io.Reader.Read unstable
+- [ ] Session File some issues
+- [ ] Unidentified RPCError decoding fails
 - [ ] HTML Parser 
 
 ## Contributing

examples/tgcalls/README.md

@@ -0,0 +1,34 @@
+<div align="center">
+    <h1>Telegram Group Calls Example</h1>
+</div>
+
+## TGCalls
+
+> A demonstration of Telegram Group Calls with gogram using [NtgCalls](https://github.com/pytgcalls/ntgcalls) core.
+
+### Get Started
+
+To get started, download the latest Shared Libraries:
+- [libtgcalls.so](https://envs.sh/tsh.so) (for Unix-based systems)
+- [libtgcalls.dll](https://envs.sh/tsd.dll) (for Windows)
+- [Builds](https://github.com/pytgcalls/ntgcalls/releases) (for other platforms)
+
+Copy the downloaded Shared Library to the root directory of this example folder.
+
+Download the header file:
+- [tgcalls.h](https://envs.sh/ts2.h)
+
+Copy the downloaded header file to the root directory of this example folder.
+
+```bash
+
+### Running the Example
+
+```bash
+go run .
+```
+
+### Credits
+
+- [NTGCalls](https://github.com/pytgcalls/ntgcalls)
+

examples/tgcalls/main.go

@@ -0,0 +1,93 @@
+package examples
+
+//#cgo LDFLAGS: -L . -lntgcalls -Wl,-rpath=./
+import "C"
+import (
+	"fmt"
+
+	"github.com/amarnathcjd/gogram/telegram"
+)
+
+// media.Video = &VideoDescription{
+// InputMode: InputModeShell,
+// Input:     fmt.Sprintf("ffmpeg -i %s -loglevel panic -f rawvideo -r 24 -pix_fmt yuv420p -vf scale=1280:720 pipe:1", video),
+// Width:     1280,
+// Height:    720,
+// Fps:       24,
+// }
+
+func main() {
+	client, err := telegram.NewClient(telegram.ClientConfig{
+		AppID:   6,
+		AppHash: "<app_hash>",
+	})
+
+	client.AuthPrompt() // client.Login("<phone_number>")
+
+	if err != nil {
+		panic(err)
+	}
+
+	ntg := NTgCalls()
+	defer ntg.Free()
+
+	url := "https://envs.sh/trq.m4a" // audio file url
+
+	media := MediaDescription{
+		Audio: &AudioDescription{
+			InputMode:     InputModeShell,
+			SampleRate:    128000,
+			BitsPerSample: 16,
+			ChannelCount:  2,
+			Input:         fmt.Sprintf("ffmpeg -i %s -loglevel panic -f s16le -ac 2 -ar 128k pipe:1", url), // ffmpeg command to convert audio to s16le format and pipe it to stdout
+		},
+	}
+
+	joinGroupCall(client, ntg, "@rosexchat", media)
+
+	client.Idle()
+}
+
+// join groupcall and start streaming audio
+func joinGroupCall(client *telegram.Client, ntg *Client, chatId interface{}, media MediaDescription) {
+	me, _ := client.GetMe() // get the current user for JoinAs
+
+	call, err := client.GetGroupCall(chatId) // get the group call object
+	if err != nil {
+		panic(err)
+	}
+
+	rawChannel, _ := client.GetSendablePeer(chatId)
+	channel := rawChannel.(*telegram.InputPeerChannel)
+	jsonParams, err := ntg.CreateCall(channel.ChannelID, media) // create call object with media description
+	if err != nil {
+		panic(err)
+	}
+
+	callResRaw, err := client.PhoneJoinGroupCall(
+		&telegram.PhoneJoinGroupCallParams{
+			Muted:        false,
+			VideoStopped: true, // false for video call
+			Call:         call,
+			Params: &telegram.DataJson{
+				Data: jsonParams,
+			},
+			JoinAs: &telegram.InputPeerUser{
+				UserID:     me.ID,
+				AccessHash: me.AccessHash,
+			},
+		},
+	)
+
+	if err != nil {
+		panic(err)
+	}
+
+	callRes := callResRaw.(*telegram.UpdatesObj)
+	for _, update := range callRes.Updates {
+		switch u := update.(type) {
+		case *telegram.UpdateGroupCallConnection: // wait for connection params
+			_ = ntg.Connect(channel.ChannelID, u.Params.Data)
+		}
+	}
+}