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Side by Side Diff: media/gpu/tegra_v4l2_device.cc

Issue 1882373004: Migrate content/common/gpu/media code to media/gpu (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fix prefix to content references in content_gpu.gypi Created 4 years, 8 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include <dlfcn.h> 5 #include <dlfcn.h>
6 #include <fcntl.h> 6 #include <fcntl.h>
7 #include <linux/videodev2.h> 7 #include <linux/videodev2.h>
8 8
9 #include "base/lazy_instance.h" 9 #include "base/lazy_instance.h"
10 #include "base/posix/eintr_wrapper.h" 10 #include "base/posix/eintr_wrapper.h"
11 #include "base/trace_event/trace_event.h" 11 #include "base/trace_event/trace_event.h"
12 #include "content/common/gpu/media/tegra_v4l2_device.h" 12 #include "media/gpu/tegra_v4l2_device.h"
13 #include "ui/gl/gl_bindings.h" 13 #include "ui/gl/gl_bindings.h"
14 14
15 namespace content { 15 namespace media {
16 16
17 namespace { 17 namespace {
18 const char kDecoderDevice[] = "/dev/tegra_avpchannel"; 18 const char kDecoderDevice[] = "/dev/tegra_avpchannel";
19 const char kEncoderDevice[] = "/dev/nvhost-msenc"; 19 const char kEncoderDevice[] = "/dev/nvhost-msenc";
20 } 20 }
21 21
22 typedef int32_t (*TegraV4L2Open)(const char* name, int32_t flags); 22 typedef int32_t (*TegraV4L2Open)(const char* name, int32_t flags);
23 typedef int32_t (*TegraV4L2Close)(int32_t fd); 23 typedef int32_t (*TegraV4L2Close)(int32_t fd);
24 typedef int32_t (*TegraV4L2Ioctl)(int32_t fd, unsigned long cmd, ...); 24 typedef int32_t (*TegraV4L2Ioctl)(int32_t fd, unsigned long cmd, ...);
25 typedef int32_t (*TegraV4L2Poll)(int32_t fd, 25 typedef int32_t (*TegraV4L2Poll)(int32_t fd,
(...skipping 60 matching lines...) Expand 10 before | Expand all | Expand 10 after
86 bool initialized() { return initialized_; } 86 bool initialized() { return initialized_; }
87 87
88 private: 88 private:
89 bool initialized_; 89 bool initialized_;
90 }; 90 };
91 91
92 base::LazyInstance<TegraFunctionSymbolFinder> g_tegra_function_symbol_finder_ = 92 base::LazyInstance<TegraFunctionSymbolFinder> g_tegra_function_symbol_finder_ =
93 LAZY_INSTANCE_INITIALIZER; 93 LAZY_INSTANCE_INITIALIZER;
94 94
95 TegraV4L2Device::TegraV4L2Device(Type type) 95 TegraV4L2Device::TegraV4L2Device(Type type)
96 : V4L2Device(type), 96 : V4L2Device(type), device_fd_(-1) {}
97 device_fd_(-1) {
98 }
99 97
100 TegraV4L2Device::~TegraV4L2Device() { 98 TegraV4L2Device::~TegraV4L2Device() {
101 if (device_fd_ != -1) { 99 if (device_fd_ != -1) {
102 TegraV4L2_Close(device_fd_); 100 TegraV4L2_Close(device_fd_);
103 device_fd_ = -1; 101 device_fd_ = -1;
104 } 102 }
105 } 103 }
106 104
107 int TegraV4L2Device::Ioctl(int flags, void* arg) { 105 int TegraV4L2Device::Ioctl(int flags, void* arg) {
108 return HANDLE_EINTR(TegraV4L2_Ioctl(device_fd_, flags, arg)); 106 return HANDLE_EINTR(TegraV4L2_Ioctl(device_fd_, flags, arg));
(...skipping 88 matching lines...) Expand 10 before | Expand all | Expand 10 after
197 uint32_t v4l2_pixfmt, 195 uint32_t v4l2_pixfmt,
198 size_t /* num_v4l2_planes */) { 196 size_t /* num_v4l2_planes */) {
199 DVLOG(3) << "CreateEGLImage()"; 197 DVLOG(3) << "CreateEGLImage()";
200 if (!CanCreateEGLImageFrom(v4l2_pixfmt)) { 198 if (!CanCreateEGLImageFrom(v4l2_pixfmt)) {
201 LOG(ERROR) << "Unsupported V4L2 pixel format"; 199 LOG(ERROR) << "Unsupported V4L2 pixel format";
202 return EGL_NO_IMAGE_KHR; 200 return EGL_NO_IMAGE_KHR;
203 } 201 }
204 202
205 EGLint attr = EGL_NONE; 203 EGLint attr = EGL_NONE;
206 EGLImageKHR egl_image = 204 EGLImageKHR egl_image =
207 eglCreateImageKHR(egl_display, 205 eglCreateImageKHR(egl_display, egl_context, EGL_GL_TEXTURE_2D_KHR,
208 egl_context, 206 reinterpret_cast<EGLClientBuffer>(texture_id), &attr);
209 EGL_GL_TEXTURE_2D_KHR,
210 reinterpret_cast<EGLClientBuffer>(texture_id),
211 &attr);
212 if (egl_image == EGL_NO_IMAGE_KHR) { 207 if (egl_image == EGL_NO_IMAGE_KHR) {
213 LOG(ERROR) << "Unable to create EGL image"; 208 LOG(ERROR) << "Unable to create EGL image";
214 return egl_image; 209 return egl_image;
215 } 210 }
216 if (TegraV4L2_UseEglImage(device_fd_, buffer_index, egl_image) != 0) { 211 if (TegraV4L2_UseEglImage(device_fd_, buffer_index, egl_image) != 0) {
217 LOG(ERROR) << "Unable to use EGL image"; 212 LOG(ERROR) << "Unable to use EGL image";
218 eglDestroyImageKHR(egl_display, egl_image); 213 eglDestroyImageKHR(egl_display, egl_image);
219 egl_image = EGL_NO_IMAGE_KHR; 214 egl_image = EGL_NO_IMAGE_KHR;
220 } 215 }
221 return egl_image; 216 return egl_image;
222 } 217 }
223 218
224 EGLBoolean TegraV4L2Device::DestroyEGLImage(EGLDisplay egl_display, 219 EGLBoolean TegraV4L2Device::DestroyEGLImage(EGLDisplay egl_display,
225 EGLImageKHR egl_image) { 220 EGLImageKHR egl_image) {
226 return eglDestroyImageKHR(egl_display, egl_image); 221 return eglDestroyImageKHR(egl_display, egl_image);
227 } 222 }
228 223
229 GLenum TegraV4L2Device::GetTextureTarget() { return GL_TEXTURE_2D; } 224 GLenum TegraV4L2Device::GetTextureTarget() {
225 return GL_TEXTURE_2D;
226 }
230 227
231 uint32_t TegraV4L2Device::PreferredInputFormat() { 228 uint32_t TegraV4L2Device::PreferredInputFormat() {
232 // TODO(posciak): We should support "dontcare" returns here once we 229 // TODO(posciak): We should support "dontcare" returns here once we
233 // implement proper handling (fallback, negotiation) for this in users. 230 // implement proper handling (fallback, negotiation) for this in users.
234 CHECK_EQ(type_, kEncoder); 231 CHECK_EQ(type_, kEncoder);
235 return V4L2_PIX_FMT_YUV420M; 232 return V4L2_PIX_FMT_YUV420M;
236 } 233 }
237 234
238 } // namespace content 235 } // namespace media
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