Fix green fmv videos

Credit: Antique - Sudachi Dev

src/video_core/host1x/ffmpeg/ffmpeg.cpp

@@ -227,8 +227,10 @@ bool DecoderContext::SendPacket(const Packet& packet) {
 #ifndef ANDROID
     if (!m_codec_context->hw_device_ctx && m_codec_context->codec_id == AV_CODEC_ID_H264) {
         m_decode_order = true;
-        const int ret = avcodec_send_frame(m_codec_context, m_temp_frame->GetFrame());
-        if (ret < 0) {
+        auto* codec{ffcodec(m_decoder.GetCodec())};
+        if (const int ret = codec->cb.decode(m_codec_context, m_temp_frame->GetFrame(),
+                                             &m_got_frame, packet.GetPacket());
+            ret < 0) {
             LOG_DEBUG(Service_NVDRV, "avcodec_send_packet error {}", AVError(ret));
             return false;
         }
@@ -250,6 +252,7 @@ std::shared_ptr<Frame> DecoderContext::ReceiveFrame() {
 #ifndef ANDROID
     if (!m_codec_context->hw_device_ctx && m_codec_context->codec_id == AV_CODEC_ID_H264) {
         m_decode_order = true;
+        auto* codec{ffcodec(m_decoder.GetCodec())};
         int ret{0};
 
         if (m_got_frame == 0) {
@@ -257,7 +260,7 @@ std::shared_ptr<Frame> DecoderContext::ReceiveFrame() {
             auto* pkt = packet.GetPacket();
             pkt->data = nullptr;
             pkt->size = 0;
-            ret = avcodec_receive_packet(m_codec_context, pkt);
+            ret = codec->cb.decode(m_codec_context, m_temp_frame->GetFrame(), &m_got_frame, pkt);
             m_codec_context->has_b_frames = 0;
         }
 
@@ -303,8 +306,12 @@ std::shared_ptr<Frame> DecoderContext::ReceiveFrame() {
     }
 
 #if defined(FF_API_INTERLACED_FRAME) || LIBAVUTIL_VERSION_MAJOR >= 59
-    m_temp_frame->GetFrame()->interlaced_frame =
-        (m_temp_frame->GetFrame()->flags & AV_FRAME_FLAG_INTERLACED) != 0;
+    if (m_temp_frame->GetFrame()->flags & AV_FRAME_FLAG_INTERLACED)
+        m_temp_frame->GetFrame()->flags &= ~AV_FRAME_FLAG_INTERLACED;
+    else
+        m_temp_frame->GetFrame()->flags |= AV_FRAME_FLAG_INTERLACED;
+#else
+    m_temp_frame->GetFrame()->interlaced_frame = !m_temp_frame->GetFrame()->interlaced_frame;
 #endif
     return std::move(m_temp_frame);
 }