Remove some dead code.

talk/media/webrtc/webrtcpassthroughrender.cc

-/*
- * libjingle
- * Copyright 2004 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *  1. Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright notice,
- *     this list of conditions and the following disclaimer in the documentation
- *     and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "talk/media/webrtc/webrtcpassthroughrender.h"
-
-#include "webrtc/base/common.h"
-#include "webrtc/base/logging.h"
-
-namespace cricket {
-
-#define LOG_FIND_STREAM_ERROR(func, id) LOG(LS_ERROR) \
-    << "" << func << " - Failed to find stream: " << id
-
-class PassthroughStream: public webrtc::VideoRenderCallback {
- public:
-  PassthroughStream() : running_(false) {}
-  virtual ~PassthroughStream() {
-  }
-  virtual int32_t RenderFrame(const uint32_t stream_id,
-                              const webrtc::VideoFrame& videoFrame) {
-    rtc::CritScope cs(&stream_critical_);
-    // Send frame for rendering directly
-    if (running_ && renderer_) {
-      renderer_->RenderFrame(stream_id, videoFrame);
-    }
-    return 0;
-  }
-  int32_t SetRenderer(VideoRenderCallback* renderer) {
-    rtc::CritScope cs(&stream_critical_);
-    renderer_ = renderer;
-    return 0;
-  }
-
-  int32_t StartRender() {
-    rtc::CritScope cs(&stream_critical_);
-    running_ = true;
-    return 0;
-  }
-
-  int32_t StopRender() {
-    rtc::CritScope cs(&stream_critical_);
-    running_ = false;
-    return 0;
-  }
-
- private:
-  VideoRenderCallback* renderer_;
-  rtc::CriticalSection stream_critical_;
-  bool running_;
-};
-
-WebRtcPassthroughRender::WebRtcPassthroughRender()
-    : window_(NULL) {
-}
-
-WebRtcPassthroughRender::~WebRtcPassthroughRender() {
-  while (!stream_render_map_.empty()) {
-    PassthroughStream* stream = stream_render_map_.begin()->second;
-    stream_render_map_.erase(stream_render_map_.begin());
-    delete stream;
-  }
-}
-
-webrtc::VideoRenderCallback* WebRtcPassthroughRender::AddIncomingRenderStream(
-    const uint32_t stream_id,
-    const uint32_t zOrder,
-    const float left, const float top,
-    const float right, const float bottom) {
-  rtc::CritScope cs(&render_critical_);
-  // Stream already exist.
-  if (FindStream(stream_id) != NULL) {
-    LOG(LS_ERROR) << "AddIncomingRenderStream - Stream already exists: "
-                  << stream_id;
-    return NULL;
-  }
-
-  PassthroughStream* stream = new PassthroughStream();
-  // Store the stream
-  stream_render_map_[stream_id] = stream;
-  return stream;
-}
-
-int32_t WebRtcPassthroughRender::DeleteIncomingRenderStream(
-    const uint32_t stream_id) {
-  rtc::CritScope cs(&render_critical_);
-  PassthroughStream* stream = FindStream(stream_id);
-  if (stream == NULL) {
-    LOG_FIND_STREAM_ERROR("DeleteIncomingRenderStream", stream_id);
-    return -1;
-  }
-  delete stream;
-  stream_render_map_.erase(stream_id);
-  return 0;
-}
-
-int32_t WebRtcPassthroughRender::AddExternalRenderCallback(
-    const uint32_t stream_id,
-    webrtc::VideoRenderCallback* render_object) {
-  rtc::CritScope cs(&render_critical_);
-  PassthroughStream* stream = FindStream(stream_id);
-  if (stream == NULL) {
-    LOG_FIND_STREAM_ERROR("AddExternalRenderCallback", stream_id);
-    return -1;
-  }
-  return stream->SetRenderer(render_object);
-}
-
-bool WebRtcPassthroughRender::HasIncomingRenderStream(
-    const uint32_t stream_id) const {
-  return (FindStream(stream_id) != NULL);
-}
-
-webrtc::RawVideoType WebRtcPassthroughRender::PreferredVideoType() const {
-  return webrtc::kVideoI420;
-}
-
-int32_t WebRtcPassthroughRender::StartRender(const uint32_t stream_id) {
-  rtc::CritScope cs(&render_critical_);
-  PassthroughStream* stream = FindStream(stream_id);
-  if (stream == NULL) {
-    LOG_FIND_STREAM_ERROR("StartRender", stream_id);
-    return -1;
-  }
-  return stream->StartRender();
-}
-
-int32_t WebRtcPassthroughRender::StopRender(const uint32_t stream_id) {
-  rtc::CritScope cs(&render_critical_);
-  PassthroughStream* stream = FindStream(stream_id);
-  if (stream == NULL) {
-    LOG_FIND_STREAM_ERROR("StopRender", stream_id);
-    return -1;
-  }
-  return stream->StopRender();
-}
-
-// TODO(ronghuawu): Is it ok to return non-const pointer to PassthroughStream
-// from this const function FindStream.
-PassthroughStream* WebRtcPassthroughRender::FindStream(
-    const uint32_t stream_id) const {
-  StreamMap::const_iterator it = stream_render_map_.find(stream_id);
-  if (it == stream_render_map_.end()) {
-    return NULL;
-  }
-  return it->second;
-}
-
-}  // namespace cricket