@@ -574,7 +574,7 @@ easier to use. The changes are:

           all the stream in the first input file, except for the second audio

           stream'.

     * There is a new option -c (or -codec) for choosing the decoder/encoder to

-      use, which allows to precisely specify target stream(s) consistently with

+      use, which makes it possible to precisely specify target stream(s) consistently with

       other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0

       libvorbis sets the codec for the first audio stream and -c copy copies all

       the streams without reencoding. Old -vcodec/-acodec/-scodec options are now

@@ -95,7 +95,7 @@ This decoder aims to implement the complete FLAC specification from Xiph.

 @item -use_buggy_lpc

 The lavc FLAC encoder used to produce buggy streams with high lpc values

-(like the default value). This option allows to decode such streams

+(like the default value). This option makes it possible to decode such streams

 correctly by using lavc's old buggy lpc logic for decoding.

 @end table

@@ -265,7 +265,7 @@ static int build_table(VLC *vlc, int table_nb_bits, int nb_codes,

    'xxx_size' : gives the number of bytes of each entry of the 'bits'

    or 'codes' tables.

-   'wrap' and 'size' allows to use any memory configuration and types

+   'wrap' and 'size' make it possible to use any memory configuration and types

    (byte/word/long) to store the 'bits', 'codes', and 'symbols' tables.

    'use_static' should be set to 1 for tables, which should be freed

@@ -76,7 +76,7 @@

  *     encodes them with just enough bits to reproduce the background noise.

  *

  * Discontinuous Transmission (DTX)

- *     DTX is an addition to VAD/VBR operation, that allows to stop transmitting

+ *     DTX is an addition to VAD/VBR operation, that makes it possible to stop transmitting

  *     completely when the background noise is stationary.

  *     In file-based operation only 5 bits are used for such frames.

  */

@@ -504,7 +504,7 @@ static int hadamard8_diff8x8_altivec(MpegEncContext *s, uint8_t *dst,

 }

 /*

- * 16x8 works with 16 elements; it allows to avoid replicating loads, and

+ * 16x8 works with 16 elements; it can avoid replicating loads, and

  * gives the compiler more room for scheduling. It's only used from

  * inside hadamard8_diff16_altivec.

  *

@@ -3286,7 +3286,7 @@ static void decode_b(AVCodecContext *ctx, int row, int col,

     }

     // emulated overhangs if the stride of the target buffer can't hold. This

-    // allows to support emu-edge and so on even if we have large block

+    // makes it possible to support emu-edge and so on even if we have large block

     // overhangs

     emu[0] = (col + w4) * 8 > f->linesize[0] ||

              (row + h4) > s->rows;

@@ -80,7 +80,7 @@

     "movq      %%mm"#R1", "#OFF"(%1)   \n\t"    \

     "add       %2, %0                  \n\t"

-/** Sacrifying mm6 allows to pipeline loads from src */

+/** Sacrificing mm6 makes it possible to pipeline loads from src */

 static void vc1_put_ver_16b_shift2_mmx(int16_t *dst,

                                        const uint8_t *src, x86_reg stride,

                                        int rnd, int64_t shift)

@@ -27,7 +27,7 @@

  * @author Benoit Fouet ( benoit fouet free fr )

  * @author Nicolas George ( nicolas george normalesup org )

  *

- * This avdevice decoder allows to capture audio from an ALSA (Advanced

+ * This avdevice decoder can capture audio from an ALSA (Advanced

  * Linux Sound Architecture) device.

  *

  * The filename parameter is the name of an ALSA PCM device capable of

@@ -26,7 +26,7 @@

  * @author Luca Abeni ( lucabe72 email it )

  * @author Benoit Fouet ( benoit fouet free fr )

  *

- * This avdevice encoder allows to play audio to an ALSA (Advanced Linux

+ * This avdevice encoder can play audio to an ALSA (Advanced Linux

  * Sound Architecture) device.

  *

  * The filename parameter is the name of an ALSA PCM device capable of

@@ -324,7 +324,7 @@ int avdevice_dev_to_app_control_message(struct AVFormatContext *s,

  * Following API allows user to probe device capabilities (supported codecs,

  * pixel formats, sample formats, resolutions, channel counts, etc).

  * It is build on top op AVOption API.

- * Queried capabilities allows to set up converters of video or audio

+ * Queried capabilities make it possible to set up converters of video or audio

  * parameters that fit to the device.

  *

  * List of capabilities that can be queried:

@@ -67,7 +67,7 @@

  * with an AVFMT_NOFILE format).

  *

  * @section lavf_options Passing options to (de)muxers

- * Lavf allows to configure muxers and demuxers using the @ref avoptions

+ * It is possible to configure lavf muxers and demuxers using the @ref avoptions

  * mechanism. Generic (format-independent) libavformat options are provided by

  * AVFormatContext, they can be examined from a user program by calling

  * av_opt_next() / av_opt_find() on an allocated AVFormatContext (or its AVClass

@@ -234,7 +234,7 @@

  * @defgroup lavf_io I/O Read/Write

  * @{

  * @section lavf_io_dirlist Directory listing

- * The directory listing API allows to list files on remote servers.

+ * The directory listing API makes it possible to list files on remote servers.

  *

  * Some of possible use cases:

  * - an "open file" dialog to choose files from a remote location,

@@ -2361,7 +2361,7 @@ int av_write_uncoded_frame(AVFormatContext *s, int stream_index,

 /**

  * Write a uncoded frame to an output media file.

  *

- * If the muxer supports it, this function allows to write an AVFrame

+ * If the muxer supports it, this function makes it possible to write an AVFrame

  * structure directly, without encoding it into a packet.

  * It is mostly useful for devices and similar special muxers that use raw

  * video or PCM data and will not serialize it into a byte stream.

@@ -213,7 +213,7 @@

  * In some cases it may be more convenient to put all options into an

  * AVDictionary and call av_opt_set_dict() on it. A specific case of this

  * are the format/codec open functions in lavf/lavc which take a dictionary

- * filled with option as a parameter. This allows to set some options

+ * filled with option as a parameter. This makes it possible to set some options

  * that cannot be set otherwise, since e.g. the input file format is not known

  * before the file is actually opened.

  */