ppapi: implement PPB_AudioEncoder

ppapi/c/pp_codecs.h

Index: ppapi/c/pp_codecs.h
diff --git a/ppapi/c/pp_codecs.h b/ppapi/c/pp_codecs.h
index 173f9f4325e129aa7792728c48312b53b18eb6c2..e8977998d36d2b27bdf399d9cb3a3047680871fa 100644
--- a/ppapi/c/pp_codecs.h
+++ b/ppapi/c/pp_codecs.h
@@ -3,7 +3,7 @@
  * found in the LICENSE file.
  */
 
-/* From pp_codecs.idl modified Fri Apr 17 10:55:27 2015. */
+/* From pp_codecs.idl modified Thu May 21 15:11:01 2015. */
 
 #ifndef PPAPI_C_PP_CODECS_H_
 #define PPAPI_C_PP_CODECS_H_
@@ -43,6 +43,15 @@ typedef enum {
 } PP_VideoProfile;
 
 /**
+ * Audio profiles.
+ */
+typedef enum {
+  PP_AUDIOPROFILE_OPUS = 0,
+  PP_AUDIOPROFILE_SPEEX = 1,
+  PP_AUDIOPROFILE_MAX = PP_AUDIOPROFILE_SPEEX
+} PP_AudioProfile;
+
+/**
  * Hardware acceleration options.
  */
 typedef enum {
@@ -188,6 +197,33 @@ struct PP_VideoProfileDescription_0_1 {
 };
 
 /**
+ * Supported audio profile information. See the PPB_AudioEncoder function
+ * GetSupportedProfiles() for more details.
+ */
+struct PP_AudioProfileDescription {
+  /**
+   * The codec profile.
+   */
+  PP_AudioProfile profile;
+  /**
+   * Maximum number of channels that can be encoded.
+   */
+  uint32_t max_channels;
+  /**
+   * Sample size.
+   */
+  uint32_t sample_size;
+  /**
+   * Sampling rate that can be encoded
+   */
+  uint32_t sample_rate;
+  /**
+   * Whether the profile is hardware accelerated.
+   */
+  PP_Bool hardware_accelerated;
+};
+
+/**
  * Struct describing a bitstream buffer.
  */
 struct PP_BitstreamBuffer {
@@ -204,6 +240,20 @@ struct PP_BitstreamBuffer {
    */
   PP_Bool key_frame;
 };
+
+/**
+ * Struct describing an audio bitstream buffer.
+ */
+struct PP_AudioBitstreamBuffer {
+  /**
+   * The size, in bytes, of the bitstream data.
+   */
+  uint32_t size;
+  /**
+   * The base address of the bitstream data.
+   */
+  void* buffer;
+};
 /**
  * @}
  */