Move libtorchaudio_ffmpeg to dedicated directory

Differential Revision: D50082877

Pull Request resolved: https://github.com/pytorch/audio/pull/3646

src/torchaudio/csrc/ffmpeg/stream_reader/post_process.cpp → src/libtorio/ffmpeg/stream_reader/post_process.cpp

-#include <torchaudio/csrc/ffmpeg/stream_reader/buffer/chunked_buffer.h>
-#include <torchaudio/csrc/ffmpeg/stream_reader/buffer/unchunked_buffer.h>
-#include <torchaudio/csrc/ffmpeg/stream_reader/conversion.h>
-#include <torchaudio/csrc/ffmpeg/stream_reader/post_process.h>
+#include <libtorio/ffmpeg/stream_reader/buffer/chunked_buffer.h>
+#include <libtorio/ffmpeg/stream_reader/buffer/unchunked_buffer.h>
+#include <libtorio/ffmpeg/stream_reader/conversion.h>
+#include <libtorio/ffmpeg/stream_reader/post_process.h>
 
 namespace torchaudio::io {
 namespace detail {
@@ -116,11 +116,11 @@ struct ProcessImpl : public IPostDecodeProcess {
 
   const std::string& get_filter_desc() const override {
     return filter_wrapper.desc;
-  };
+  }
 
   FilterGraphOutputInfo get_filter_output_info() const override {
     return filter_wrapper.filter.get_output_info();
-  };
+  }
 
   void flush() override {
     filter_wrapper.reset();

src/torchaudio/csrc/ffmpeg/stream_reader/post_process.h → src/libtorio/ffmpeg/stream_reader/post_process.h

 #pragma once
-#include <torchaudio/csrc/ffmpeg/filter_graph.h>
-#include <torchaudio/csrc/ffmpeg/stream_reader/typedefs.h>
+#include <libtorio/ffmpeg/filter_graph.h>
+#include <libtorio/ffmpeg/stream_reader/typedefs.h>
 
 namespace torchaudio::io {
 

src/torchaudio/csrc/ffmpeg/stream_reader/stream_processor.cpp → src/libtorio/ffmpeg/stream_reader/stream_processor.cpp

-#include <torchaudio/csrc/ffmpeg/hw_context.h>
-#include <torchaudio/csrc/ffmpeg/stream_reader/stream_processor.h>
+#include <libtorio/ffmpeg/hw_context.h>
+#include <libtorio/ffmpeg/stream_reader/stream_processor.h>
 #include <stdexcept>
 #include <string_view>
 
@@ -310,12 +310,15 @@ int StreamProcessor::process_packet(AVPacket* packet) {
     ret = avcodec_receive_frame(codec_ctx, frame);
     //  AVERROR(EAGAIN) means that new input data is required to return new
     //  output.
-    if (ret == AVERROR(EAGAIN))
+    if (ret == AVERROR(EAGAIN)) {
       return 0;
-    if (ret == AVERROR_EOF)
+    }
+    if (ret == AVERROR_EOF) {
       return send_frame(nullptr);
-    if (ret < 0)
+    }
+    if (ret < 0) {
       return ret;
+    }
 
     // If pts is undefined then overwrite with best effort estimate.
     // In this case, best_effort_timestamp is basically the number of frames
@@ -375,8 +378,9 @@ int StreamProcessor::send_frame(AVFrame* frame_) {
   int ret = 0;
   for (auto& ite : post_processes) {
     int ret2 = ite.second->process_frame(frame_);
-    if (ret2 < 0)
+    if (ret2 < 0) {
       ret = ret2;
+    }
   }
   return ret;
 }

src/torchaudio/csrc/ffmpeg/stream_reader/stream_processor.h → src/libtorio/ffmpeg/stream_reader/stream_processor.h

 #pragma once
 
+#include <libtorio/ffmpeg/ffmpeg.h>
+#include <libtorio/ffmpeg/stream_reader/post_process.h>
+#include <libtorio/ffmpeg/stream_reader/typedefs.h>
 #include <torch/types.h>
-#include <torchaudio/csrc/ffmpeg/ffmpeg.h>
-#include <torchaudio/csrc/ffmpeg/stream_reader/post_process.h>
-#include <torchaudio/csrc/ffmpeg/stream_reader/typedefs.h>
 #include <map>
 
 namespace torchaudio {

src/torchaudio/csrc/ffmpeg/stream_reader/stream_reader.cpp → src/libtorio/ffmpeg/stream_reader/stream_reader.cpp

-#include <torchaudio/csrc/ffmpeg/ffmpeg.h>
-#include <torchaudio/csrc/ffmpeg/stream_reader/stream_reader.h>
+#include <libtorio/ffmpeg/ffmpeg.h>
+#include <libtorio/ffmpeg/stream_reader/stream_reader.h>
 #include <chrono>
 #include <sstream>
 #include <stdexcept>

src/torchaudio/csrc/ffmpeg/stream_reader/stream_reader.h → src/libtorio/ffmpeg/stream_reader/stream_reader.h

 #pragma once
-#include <torchaudio/csrc/ffmpeg/ffmpeg.h>
-#include <torchaudio/csrc/ffmpeg/stream_reader/packet_buffer.h>
-#include <torchaudio/csrc/ffmpeg/stream_reader/stream_processor.h>
-#include <torchaudio/csrc/ffmpeg/stream_reader/typedefs.h>
+#include <libtorio/ffmpeg/ffmpeg.h>
+#include <libtorio/ffmpeg/stream_reader/packet_buffer.h>
+#include <libtorio/ffmpeg/stream_reader/stream_processor.h>
+#include <libtorio/ffmpeg/stream_reader/typedefs.h>
 #include <vector>
 
 namespace torchaudio {

src/torchaudio/csrc/ffmpeg/stream_reader/typedefs.h → src/libtorio/ffmpeg/stream_reader/typedefs.h

 #pragma once
 
-#include <torchaudio/csrc/ffmpeg/ffmpeg.h>
+#include <libtorio/ffmpeg/ffmpeg.h>
 #include <iostream>
 
 namespace torchaudio {

src/torchaudio/csrc/ffmpeg/stream_writer/encode_process.cpp → src/libtorio/ffmpeg/stream_writer/encode_process.cpp

-#include <torchaudio/csrc/ffmpeg/hw_context.h>
-#include <torchaudio/csrc/ffmpeg/stream_writer/encode_process.h>
+#include <libtorio/ffmpeg/hw_context.h>
+#include <libtorio/ffmpeg/stream_writer/encode_process.h>
 #include <cmath>
 
 namespace torchaudio::io {

src/torchaudio/csrc/ffmpeg/stream_writer/encode_process.h → src/libtorio/ffmpeg/stream_writer/encode_process.h

 #pragma once
+#include <libtorio/ffmpeg/ffmpeg.h>
+#include <libtorio/ffmpeg/filter_graph.h>
+#include <libtorio/ffmpeg/stream_writer/encoder.h>
+#include <libtorio/ffmpeg/stream_writer/tensor_converter.h>
+#include <libtorio/ffmpeg/stream_writer/types.h>
 #include <torch/types.h>
-#include <torchaudio/csrc/ffmpeg/ffmpeg.h>
-#include <torchaudio/csrc/ffmpeg/filter_graph.h>
-#include <torchaudio/csrc/ffmpeg/stream_writer/encoder.h>
-#include <torchaudio/csrc/ffmpeg/stream_writer/tensor_converter.h>
-#include <torchaudio/csrc/ffmpeg/stream_writer/types.h>
 
 namespace torchaudio::io {
 

src/torchaudio/csrc/ffmpeg/stream_writer/encoder.cpp → src/libtorio/ffmpeg/stream_writer/encoder.cpp

-#include <torchaudio/csrc/ffmpeg/stream_writer/encoder.h>
+#include <libtorio/ffmpeg/stream_writer/encoder.h>
 
 namespace torchaudio::io {
 

src/torchaudio/csrc/ffmpeg/stream_writer/encoder.h → src/libtorio/ffmpeg/stream_writer/encoder.h

 #pragma once
 
+#include <libtorio/ffmpeg/ffmpeg.h>
+#include <libtorio/ffmpeg/filter_graph.h>
 #include <torch/types.h>
-#include <torchaudio/csrc/ffmpeg/ffmpeg.h>
-#include <torchaudio/csrc/ffmpeg/filter_graph.h>
 
 namespace torchaudio::io {
 

src/torchaudio/csrc/ffmpeg/stream_writer/packet_writer.cpp → src/libtorio/ffmpeg/stream_writer/packet_writer.cpp

-#include <torchaudio/csrc/ffmpeg/stream_writer/packet_writer.h>
+#include <libtorio/ffmpeg/stream_writer/packet_writer.h>
 
 namespace torchaudio::io {
 namespace {

src/torchaudio/csrc/ffmpeg/stream_writer/packet_writer.h → src/libtorio/ffmpeg/stream_writer/packet_writer.h

 #pragma once
-#include <torchaudio/csrc/ffmpeg/ffmpeg.h>
+#include <libtorio/ffmpeg/ffmpeg.h>
 
 namespace torchaudio::io {
 class PacketWriter {

src/torchaudio/csrc/ffmpeg/stream_writer/stream_writer.cpp → src/libtorio/ffmpeg/stream_writer/stream_writer.cpp

-#include <torchaudio/csrc/ffmpeg/stream_writer/stream_writer.h>
+#include <libtorio/ffmpeg/stream_writer/stream_writer.h>
 
 #ifdef USE_CUDA
 #include <c10/cuda/CUDAStream.h>

src/torchaudio/csrc/ffmpeg/stream_writer/stream_writer.h → src/libtorio/ffmpeg/stream_writer/stream_writer.h

 #pragma once
 
+#include <libtorio/ffmpeg/ffmpeg.h>
+#include <libtorio/ffmpeg/filter_graph.h>
+#include <libtorio/ffmpeg/stream_writer/encode_process.h>
+#include <libtorio/ffmpeg/stream_writer/packet_writer.h>
+#include <libtorio/ffmpeg/stream_writer/types.h>
 #include <torch/types.h>
-#include <torchaudio/csrc/ffmpeg/ffmpeg.h>
-#include <torchaudio/csrc/ffmpeg/filter_graph.h>
-#include <torchaudio/csrc/ffmpeg/stream_writer/encode_process.h>
-#include <torchaudio/csrc/ffmpeg/stream_writer/packet_writer.h>
-#include <torchaudio/csrc/ffmpeg/stream_writer/types.h>
 
 namespace torchaudio {
 namespace io {

src/torchaudio/csrc/ffmpeg/stream_writer/tensor_converter.cpp → src/libtorio/ffmpeg/stream_writer/tensor_converter.cpp

-#include <torchaudio/csrc/ffmpeg/stream_writer/tensor_converter.h>
+#include <libtorio/ffmpeg/stream_writer/tensor_converter.h>
 
 #ifdef USE_CUDA
 #include <c10/cuda/CUDAStream.h>

src/torchaudio/csrc/ffmpeg/stream_writer/tensor_converter.h → src/libtorio/ffmpeg/stream_writer/tensor_converter.h

 #pragma once
 
+#include <libtorio/ffmpeg/ffmpeg.h>
 #include <torch/types.h>
-#include <torchaudio/csrc/ffmpeg/ffmpeg.h>
 
 namespace torchaudio::io {