documentation: minor cosmetics

- correct spelling
- remove explicit file name w/\file (unnecessary when contained in the
  same file and prone to desync)

Change-Id: I68a3960ac5ab84d0f2e5c9b2e29799f26dfccf23
diff --git a/vpx/internal/vpx_codec_internal.h b/vpx/internal/vpx_codec_internal.h
index 9cde426..470ea73 100644
--- a/vpx/internal/vpx_codec_internal.h
+++ b/vpx/internal/vpx_codec_internal.h
@@ -9,7 +9,7 @@
  */
 
 
-/*!\file decoder_impl.h
+/*!\file
  * \brief Describes the decoder algorithm interface for algorithm
  *        implementations.
  *
@@ -214,7 +214,7 @@
         vpx_codec_iter_t     *iter);
 
 
-/*\brief e_xternal Memory Allocation memory map get iterator
+/*\brief eXternal Memory Allocation memory map get iterator
  *
  * Iterates over a list of the memory maps requested by the decoder. The
  * iterator storage should be initialized to NULL to start the iteration.
@@ -230,7 +230,7 @@
         vpx_codec_iter_t           *iter);
 
 
-/*\brief e_xternal Memory Allocation memory map set iterator
+/*\brief eXternal Memory Allocation memory map set iterator
  *
  * Sets a memory descriptor inside the decoder instance.
  *
@@ -405,7 +405,7 @@
 
 /* Internal Utility Functions
  *
- * The following functions are indended to be used inside algorithms as
+ * The following functions are intended to be used inside algorithms as
  * utilities for manipulating vpx_codec_* data structures.
  */
 struct vpx_codec_pkt_list
diff --git a/vpx/src/vpx_codec.c b/vpx/src/vpx_codec.c
index 9c1558c..f1a8b67 100644
--- a/vpx/src/vpx_codec.c
+++ b/vpx/src/vpx_codec.c
@@ -9,7 +9,7 @@
  */
 
 
-/*!\file vpx_decoder.c
+/*!\file
  * \brief Provides the high level interface to wrap decoder algorithms.
  *
  */
diff --git a/vpx/src/vpx_decoder.c b/vpx/src/vpx_decoder.c
index 7b78e5c..fe6ea75 100644
--- a/vpx/src/vpx_decoder.c
+++ b/vpx/src/vpx_decoder.c
@@ -9,7 +9,7 @@
  */
 
 
-/*!\file vpx_decoder.c
+/*!\file
  * \brief Provides the high level interface to wrap decoder algorithms.
  *
  */
diff --git a/vpx/src/vpx_decoder_compat.c b/vpx/src/vpx_decoder_compat.c
index e264734..4fe00ce 100644
--- a/vpx/src/vpx_decoder_compat.c
+++ b/vpx/src/vpx_decoder_compat.c
@@ -9,7 +9,7 @@
  */
 
 
-/*!\file vpx_decoder.c
+/*!\file
  * \brief Provides the high level interface to wrap decoder algorithms.
  *
  */
diff --git a/vpx/src/vpx_encoder.c b/vpx/src/vpx_encoder.c
index 1092959..db778ff 100644
--- a/vpx/src/vpx_encoder.c
+++ b/vpx/src/vpx_encoder.c
@@ -9,7 +9,7 @@
  */
 
 
-/*!\file vpx_encoder.c
+/*!\file
  * \brief Provides the high level interface to wrap encoder algorithms.
  *
  */
diff --git a/vpx/vp8.h b/vpx/vp8.h
index 32c0132..430f909 100644
--- a/vpx/vp8.h
+++ b/vpx/vp8.h
@@ -14,7 +14,7 @@
  * VP8 is vpx's newest video compression algorithm that uses motion
  * compensated prediction, Discrete Cosine Transform (DCT) coding of the
  * prediction error signal and context dependent entropy coding techniques
- * based on arithmatic principles. It features:
+ * based on arithmetic principles. It features:
  *  - YUV 4:2:0 image format
  *  - Macro-block based coding (16x16 luma plus two 8x8 chroma)
  *  - 1/4 (1/8) pixel accuracy motion compensated prediction
@@ -25,7 +25,7 @@
  *
  * @{
  */
-/*!\file vp8.h
+/*!\file
  * \brief Provides controls common to both the VP8 encoder and decoder.
  */
 #ifndef VP8_H
@@ -67,7 +67,7 @@
 /*!\brief post process flags
  *
  * This define a structure that describe the post processing settings. For
- * the best objective measure (using thet PSNR metric) set post_proc_flag
+ * the best objective measure (using the PSNR metric) set post_proc_flag
  * to VP8_DEBLOCK and deblocking_level to 1.
  */
 
@@ -101,7 +101,7 @@
 } vpx_ref_frame_t;
 
 
-/*!\brief vp8 decoder control funciton parameter type
+/*!\brief vp8 decoder control function parameter type
  *
  * defines the data type for each of VP8 decoder control function requires
  */
diff --git a/vpx/vp8cx.h b/vpx/vp8cx.h
index d574c44..8e07547 100644
--- a/vpx/vp8cx.h
+++ b/vpx/vp8cx.h
@@ -16,7 +16,7 @@
  */
 #include "vp8.h"
 
-/*!\file vp8cx.h
+/*!\file
  * \brief Provides definitions for using the VP8 encoder algorithm within the
  *        vpx Codec Interface.
  */
diff --git a/vpx/vp8dx.h b/vpx/vp8dx.h
index 16bc07c..a2a0dd1 100644
--- a/vpx/vp8dx.h
+++ b/vpx/vp8dx.h
@@ -16,7 +16,7 @@
  *
  * @{
  */
-/*!\file vp8dx.h
+/*!\file
  * \brief Provides definitions for using the VP8 algorithm within the vpx Decoder
  *        interface.
  */
diff --git a/vpx/vpx_codec.h b/vpx/vpx_codec.h
index 899b27c..4d58bf8 100644
--- a/vpx/vpx_codec.h
+++ b/vpx/vpx_codec.h
@@ -16,7 +16,7 @@
  * @{
  */
 
-/*!\file vpx_codec.h
+/*!\file
  * \brief Describes the codec algorithm interface to applications.
  *
  * This file describes the interface between an application and a
@@ -145,7 +145,7 @@
     typedef long vpx_codec_caps_t;
 #define VPX_CODEC_CAP_DECODER 0x1 /**< Is a decoder */
 #define VPX_CODEC_CAP_ENCODER 0x2 /**< Is an encoder */
-#define VPX_CODEC_CAP_XMA     0x4 /**< Supports e_xternal Memory Allocation */
+#define VPX_CODEC_CAP_XMA     0x4 /**< Supports eXternal Memory Allocation */
 
 
     /*! \brief Initialization-time Feature Enabling
@@ -156,7 +156,7 @@
      *  The available flags are specified by VPX_CODEC_USE_* defines.
      */
     typedef long vpx_codec_flags_t;
-#define VPX_CODEC_USE_XMA 0x00000001    /**< Use e_xternal Memory Allocation mode */
+#define VPX_CODEC_USE_XMA 0x00000001    /**< Use eXternal Memory Allocation mode */
 
 
     /*!\brief Codec interface structure.
@@ -232,7 +232,7 @@
     /*!\brief Return the version major number */
 #define vpx_codec_version_major() ((vpx_codec_version()>>16)&0xff)
 
-    /*!\brief Return the version minr number */
+    /*!\brief Return the version minor number */
 #define vpx_codec_version_minor() ((vpx_codec_version()>>8)&0xff)
 
     /*!\brief Return the version patch number */
@@ -338,9 +338,9 @@
 
     /*!\brief Get the capabilities of an algorithm.
      *
-     * Retrieves the capabliities bitfield from the algorithm's interface.
+     * Retrieves the capabilities bitfield from the algorithm's interface.
      *
-     * \param[in] iface   Pointer to the alogrithm interface
+     * \param[in] iface   Pointer to the algorithm interface
      *
      */
     vpx_codec_caps_t vpx_codec_get_caps(vpx_codec_iface_t *iface);
@@ -354,7 +354,7 @@
      *
      * This wrapper function dispatches the request to the helper function
      * associated with the given ctrl_id. It tries to call this function
-     * transparantly, but will return #VPX_CODEC_ERROR if the request could not
+     * transparently, but will return #VPX_CODEC_ERROR if the request could not
      * be dispatched.
      *
      * Note that this function should not be used directly. Call the
@@ -525,7 +525,7 @@
      * passed in the order they are read from vpx_codec_get_mem_map(), but may be
      * passed in groups of any size. Segments \ref MUST be set only once. The
      * allocation function \ref MUST ensure that the vpx_codec_mmap_t::base member
-     * is non-NULL. If the segment requires cleanup handling (eg, calling free()
+     * is non-NULL. If the segment requires cleanup handling (e.g., calling free()
      * or close()) then the vpx_codec_mmap_t::dtor member \ref MUST be populated.
      *
      * \param[in]      ctx     Pointer to this instance's context.
diff --git a/vpx/vpx_decoder.h b/vpx/vpx_decoder.h
index 6ffc2d4..4c57409 100644
--- a/vpx/vpx_decoder.h
+++ b/vpx/vpx_decoder.h
@@ -17,7 +17,7 @@
  * @{
  */
 
-/*!\file vpx_decoder.h
+/*!\file
  * \brief Describes the decoder algorithm interface to applications.
  *
  * This file describes the interface between an application and a
@@ -48,7 +48,7 @@
      *  ::vpx_codec_iface_t interface structure. Capabilities are extra interfaces
      *  or functionality, and are not required to be supported by a decoder.
      *
-     *  The available flags are specifiedby VPX_CODEC_CAP_* defines.
+     *  The available flags are specified by VPX_CODEC_CAP_* defines.
      */
 #define VPX_CODEC_CAP_PUT_SLICE  0x10000 /**< Will issue put_slice callbacks */
 #define VPX_CODEC_CAP_PUT_FRAME  0x20000 /**< Will issue put_frame callbacks */
@@ -109,7 +109,7 @@
      * kept readable and stable until all memory maps have been set.
      *
      * \param[in]    ctx     Pointer to this instance's context.
-     * \param[in]    iface   Pointer to the alogrithm interface to use.
+     * \param[in]    iface   Pointer to the algorithm interface to use.
      * \param[in]    cfg     Configuration to use, if known. May be NULL.
      * \param[in]    flags   Bitfield of VPX_CODEC_USE_* flags
      * \param[in]    ver     ABI version number. Must be set to
@@ -139,7 +139,7 @@
      * context is not necessary. Can be used to determine if the bitstream is
      * of the proper format, and to extract information from the stream.
      *
-     * \param[in]      iface   Pointer to the alogrithm interface
+     * \param[in]      iface   Pointer to the algorithm interface
      * \param[in]      data    Pointer to a block of data to parse
      * \param[in]      data_sz Size of the data buffer
      * \param[in,out]  si      Pointer to stream info to update. The size member
diff --git a/vpx/vpx_decoder_compat.h b/vpx/vpx_decoder_compat.h
index ca6f618..0fec327 100644
--- a/vpx/vpx_decoder_compat.h
+++ b/vpx/vpx_decoder_compat.h
@@ -16,7 +16,7 @@
  * @{
  */
 
-/*!\file vpx_decoder_compat.h
+/*!\file
  * \brief Provides a compatibility layer between version 1 and 2 of this API.
  *
  * This interface has been deprecated. Only existing code should make use
@@ -89,12 +89,12 @@
      *  ::vpx_dec_iface_t interface structure. Capabilities are extra interfaces
      *  or functionality, and are not required to be supported by a decoder.
      *
-     *  The available flags are specifiedby VPX_DEC_CAP_* defines.
+     *  The available flags are specified by VPX_DEC_CAP_* defines.
      */
     typedef int vpx_dec_caps_t;
 #define VPX_DEC_CAP_PUT_SLICE  0x0001 /**< Will issue put_slice callbacks */
 #define VPX_DEC_CAP_PUT_FRAME  0x0002 /**< Will issue put_frame callbacks */
-#define VPX_DEC_CAP_XMA        0x0004 /**< Supports e_xternal Memory Allocation */
+#define VPX_DEC_CAP_XMA        0x0004 /**< Supports eXternal Memory Allocation */
 
     /*!\brief Stream properties
      *
@@ -222,7 +222,7 @@
      * is properly initialized.
      *
      * \param[in]    ctx     Pointer to this instance's context.
-     * \param[in]    iface   Pointer to the alogrithm interface to use.
+     * \param[in]    iface   Pointer to the algorithm interface to use.
      * \param[in]    ver     ABI version number. Must be set to
      *                       VPX_DECODER_ABI_VERSION
      * \retval #VPX_DEC_OK
@@ -253,9 +253,9 @@
 
     /*!\brief Get the capabilities of an algorithm.
      *
-     * Retrieves the capabliities bitfield from the algorithm's interface.
+     * Retrieves the capabilities bitfield from the algorithm's interface.
      *
-     * \param[in] iface   Pointer to the alogrithm interface
+     * \param[in] iface   Pointer to the algorithm interface
      *
      */
     vpx_dec_caps_t vpx_dec_get_caps(vpx_dec_iface_t *iface) DEPRECATED;
@@ -267,7 +267,7 @@
      * context is not necessary. Can be used to determine if the bitstream is
      * of the proper format, and to extract information from the stream.
      *
-     * \param[in]      iface   Pointer to the alogrithm interface
+     * \param[in]      iface   Pointer to the algorithm interface
      * \param[in]      data    Pointer to a block of data to parse
      * \param[in]      data_sz Size of the data buffer
      * \param[in,out]  si      Pointer to stream info to update. The size member
@@ -309,7 +309,7 @@
      *
      * This wrapper function dispatches the request to the helper function
      * associated with the given ctrl_id. It tries to call this function
-     * transparantly, but will return #VPX_DEC_ERROR if the request could not
+     * transparently, but will return #VPX_DEC_ERROR if the request could not
      * be dispatched.
      *
      * \param[in]     ctx              Pointer to this instance's context
@@ -507,7 +507,7 @@
      * is properly initialized.
      *
      * \param[in]    ctx     Pointer to this instance's context.
-     * \param[in]    iface   Pointer to the alogrithm interface to use.
+     * \param[in]    iface   Pointer to the algorithm interface to use.
      * \param[in]    ver     ABI version number. Must be set to
      *                       VPX_DECODER_ABI_VERSION
      * \retval #VPX_DEC_OK
@@ -558,7 +558,7 @@
      * passed in the order they are read from vpx_dec_get_mem_map(), but may be
      * passed in groups of any size. Segments \ref MUST be set only once. The
      * allocation function \ref MUST ensure that the vpx_dec_mmap_t::base member
-     * is non-NULL. If the segment requires cleanup handling (eg, calling free()
+     * is non-NULL. If the segment requires cleanup handling (e.g., calling free()
      * or close()) then the vpx_dec_mmap_t::dtor member \ref MUST be populated.
      *
      * \param[in]      ctx     Pointer to this instance's context.
diff --git a/vpx/vpx_encoder.h b/vpx/vpx_encoder.h
index 0d53f41..9c44414 100644
--- a/vpx/vpx_encoder.h
+++ b/vpx/vpx_encoder.h
@@ -17,7 +17,7 @@
  * @{
  */
 
-/*!\file vpx_encoder.h
+/*!\file
  * \brief Describes the encoder algorithm interface to applications.
  *
  * This file describes the interface between an application and a
@@ -51,7 +51,7 @@
      *  interfaces or functionality, and are not required to be supported
      *  by an encoder.
      *
-     *  The available flags are specifiedby VPX_CODEC_CAP_* defines.
+     *  The available flags are specified by VPX_CODEC_CAP_* defines.
      */
 #define VPX_CODEC_CAP_PSNR  0x10000 /**< Can issue PSNR packets */
 
@@ -147,7 +147,7 @@
 
             /* This packet size is fixed to allow codecs to extend this
              * interface without having to manage storage for raw packets,
-             * ie if it's smaller than 128 bytes, you can store in the
+             * i.e., if it's smaller than 128 bytes, you can store in the
              * packet list directly.
              */
             char pad[128 - sizeof(enum vpx_codec_cx_pkt_kind)]; /**< fixed sz */
diff --git a/vpx/vpx_image.h b/vpx/vpx_image.h
index dcb8f31..8e08b36 100644
--- a/vpx/vpx_image.h
+++ b/vpx/vpx_image.h
@@ -9,7 +9,7 @@
  */
 
 
-/*!\file vpx_image.h
+/*!\file
  * \brief Describes the vpx image descriptor and associated operations
  *
  */
@@ -33,7 +33,7 @@
 
 #define VPX_IMG_FMT_PLANAR     0x100  /**< Image is a planar format */
 #define VPX_IMG_FMT_UV_FLIP    0x200  /**< V plane precedes U plane in memory */
-#define VPX_IMG_FMT_HAS_ALPHA  0x400  /**< Image has an alpha channel componnent */
+#define VPX_IMG_FMT_HAS_ALPHA  0x400  /**< Image has an alpha channel component */
 
 
     /*!\brief List of supported image formats */
@@ -115,7 +115,7 @@
 #define VPX_PLANE_Y      0   /**< Y (Luminance) plane */
 #define VPX_PLANE_U      1   /**< U (Chroma) plane */
 #define VPX_PLANE_V      2   /**< V (Chroma) plane */
-#define VPX_PLANE_ALPHA  3   /**< A (Transparancy) plane */
+#define VPX_PLANE_ALPHA  3   /**< A (Transparency) plane */
 #if !defined(VPX_CODEC_DISABLE_COMPAT) || !VPX_CODEC_DISABLE_COMPAT
 #define PLANE_PACKED     VPX_PLANE_PACKED
 #define PLANE_Y          VPX_PLANE_Y