Refactor: Move the TCP scripts to home directory

Author: iammarco11

decoder.cpp

@@ -44,9 +44,8 @@ bool quicsy_decoder_open(decoder_t* dec, const char* filename) {
 		log("finding the proper decoder (CODEC)");
 
 		av_codec = avcodec_find_decoder(av_codec_params->codec_id);
-        if (av_codec == NULL) {
-			err_log("CODEC: couldn't find proper decoder");
-            break;
+        if (!av_codec) {
+            continue;
         }
         if (av_codec_params->codec_type == AVMEDIA_TYPE_VIDEO) {
             video_stream_index = i;
@@ -108,24 +107,9 @@ bool quicsy_decoder_read_frame(decoder_t* dec, uint8_t* frame_buffer, int64_t* p
     auto& sws_scaler_ctx = dec->sws_scaler_ctx;
 
     // Decode one frame
-	int response;
-	bool finished = false;
-
-	while (!finished)
-	{
-		if (response = (av_read_frame(av_format_ctx, av_packet)) < 0)
-		{
-			if (response == AVERROR_EOF)
-			{
-				finished = true;
-			}
-			else
-			{
-				exit(0);
-			}
-		}
-
-		if (av_packet->stream_index != video_stream_index) {
+    int response;
+    while (av_read_frame(av_format_ctx, av_packet) >= 0) {
+        if (av_packet->stream_index != video_stream_index) {
 			log("AVPacket->pts %" PRId64, av_packet->pts);
             av_packet_unref(av_packet);
             continue;
@@ -142,27 +126,24 @@ bool quicsy_decoder_read_frame(decoder_t* dec, uint8_t* frame_buffer, int64_t* p
         if (response == AVERROR(EAGAIN) || response == AVERROR_EOF) {
             av_packet_unref(av_packet);
             continue;
-		} else if (response < 0) {
+        } else if (response < 0) {
 			log("Error while receiving a frame from the decoder");
 			//FIXME: err_log("Error while receiving a frame from the decoder: %s", av_err2str(response));
 			return false;
         }
 
         av_packet_unref(av_packet);
         break;
-	}
-
-	*pts = av_frame->pts;
+    }
 
-	// Set up sws scaler
-	if (!sws_scaler_ctx)
-	{
-		sws_scaler_ctx = sws_getContext(width, height, av_codec_ctx->pix_fmt,
-										width, height, AV_PIX_FMT_RGB0,
-										SWS_BILINEAR, NULL, NULL, NULL);
-	}
+    *pts = av_frame->pts;
+    
+    // Set up sws scaler
+	sws_scaler_ctx = sws_getContext(width, height, av_codec_ctx->pix_fmt,
+									width, height, AV_PIX_FMT_RGB0,
+                                    SWS_BILINEAR, NULL, NULL, NULL);
 
-	if (!sws_scaler_ctx) {
+    if (!sws_scaler_ctx) {
         printf("Couldn't initialize sw scaler\n");
         return false;
     }

decoder.h

@@ -13,7 +13,7 @@ typedef struct decoder_st {
     // Private internal state
     AVFormatContext* av_format_ctx = NULL;
     AVCodecContext* av_codec_ctx = NULL;
-    int video_stream_index = -1;
+    int video_stream_index = 0;
     AVFrame* av_frame = NULL;
     AVPacket* av_packet = NULL;
     SwsContext* sws_scaler_ctx = NULL;