misc spelling fixes

Originally committed as revision 9289 to svn://svn.ffmpeg.org/ffmpeg/trunk

15 files changed, 30 insertions, 30 deletions

diff --git a/libavformat/asf.c b/libavformat/asf.c
index e8dce18d31..223651986e 100644
--- a/libavformat/asf.c
+++ b/libavformat/asf.c
@@ -413,7 +413,7 @@ static int asf_read_header(AVFormatContext *s, AVFormatParameters *ap)
 
                 get_str16_nolen(pb, name_len, name, sizeof(name));
 //av_log(NULL, AV_LOG_ERROR, "%d %d %d %d %d <%s>\n", i, stream_num, name_len, value_type, value_len, name);
-                value_num= get_le16(pb);//we should use get_value() here but it doesnt work 2 is le16 here but le32 elsewhere
+                value_num= get_le16(pb);//we should use get_value() here but it does not work 2 is le16 here but le32 elsewhere
                 url_fskip(pb, value_len - 2);
 
                 if(stream_num<128){
diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 0fda3d9147..cb9b8b83c8 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -158,7 +158,7 @@ typedef struct AVFormatParameters {
 #define AVFMT_RAWPICTURE    0x0020 /**< format wants AVPicture structure for
                                       raw picture data */
 #define AVFMT_GLOBALHEADER  0x0040 /**< format wants global header */
-#define AVFMT_NOTIMESTAMPS  0x0080 /**< format doesnt need / has any timestamps */
+#define AVFMT_NOTIMESTAMPS  0x0080 /**< format does not need / have any timestamps */
 #define AVFMT_GENERIC_INDEX 0x0100 /**< use generic index building code */
 
 typedef struct AVOutputFormat {
@@ -295,10 +295,10 @@ typedef struct AVStream {
     int pts_wrap_bits; /**< number of bits in pts (used for wrapping control) */
     /* ffmpeg.c private use */
     int stream_copy; /**< if set, just copy stream */
-    enum AVDiscard discard; ///< selects which packets can be discarded at will and dont need to be demuxed
+    enum AVDiscard discard; ///< selects which packets can be discarded at will and do not need to be demuxed
     //FIXME move stuff to a flags field?
     /** quality, as it has been removed from AVCodecContext and put in AVVideoFrame
-     * MN:dunno if thats the right place, for it */
+     * MN: dunno if that is the right place for it */
     float quality;
     /** decoding: pts of the first frame of the stream, in stream time base. */
     int64_t start_time;
@@ -546,7 +546,7 @@ AVFormatContext *av_alloc_format_context(void);
  *
  * @param ic media file handle
  * @return >=0 if OK. AVERROR_xxx if error.
- * @todo let user decide somehow what information is needed so we dont waste time geting stuff the user doesnt need
+ * @todo Let user decide somehow what information is needed so we do not waste time geting stuff the user does not need.
  */
 int av_find_stream_info(AVFormatContext *ic);
 
@@ -666,7 +666,7 @@ int av_add_index_entry(AVStream *st,
 
 /**
  * Does a binary search using av_index_search_timestamp() and AVCodec.read_timestamp().
- * this isnt supposed to be called directly by a user application, but by demuxers
+ * This is not supposed to be called directly by a user application, but by demuxers.
  * @param target_ts target timestamp in the time base of the given stream
  * @param stream_index stream number
  */
@@ -676,7 +676,7 @@ int av_seek_frame_binary(AVFormatContext *s, int stream_index, int64_t target_ts
  * Updates cur_dts of all streams based on given timestamp and AVStream.
  *
  * Stream ref_st unchanged, others set cur_dts in their native timebase
- * only needed for timestamp wrapping or if (dts not set and pts!=dts)
+ * only needed for timestamp wrapping or if (dts not set and pts!=dts).
  * @param timestamp new dts expressed in time_base of param ref_st
  * @param ref_st reference stream giving time_base of param timestamp
  */
@@ -684,7 +684,7 @@ void av_update_cur_dts(AVFormatContext *s, AVStream *ref_st, int64_t timestamp);
 
 /**
  * Does a binary search using read_timestamp().
- * this isnt supposed to be called directly by a user application, but by demuxers
+ * This is not supposed to be called directly by a user application, but by demuxers.
  * @param target_ts target timestamp in the time base of the given stream
  * @param stream_index stream number
  */
@@ -694,8 +694,8 @@ int64_t av_gen_search(AVFormatContext *s, int stream_index, int64_t target_ts, i
 int av_set_parameters(AVFormatContext *s, AVFormatParameters *ap);
 
 /**
- * allocate the stream private data and write the stream header to an
- * output media file
+ * Allocate the stream private data and write the stream header to an
+ * output media file.
  *
  * @param s media file handle
  * @return 0 if OK. AVERROR_xxx if error.
diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c
index ece585d772..614f7814da 100644
--- a/libavformat/flvenc.c
+++ b/libavformat/flvenc.c
@@ -69,7 +69,7 @@ static int get_audio_flags(AVCodecContext *enc){
             flags |= FLV_SAMPLERATE_SPECIAL;
             break;
         default:
-            av_log(enc, AV_LOG_ERROR, "flv doesnt support that sample rate, choose from (44100, 22050, 11025)\n");
+            av_log(enc, AV_LOG_ERROR, "flv does not support that sample rate, choose from (44100, 22050, 11025).\n");
             return -1;
     }
 
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 37a91ff42d..e23fbe3390 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -751,7 +751,7 @@ static int mov_read_stsd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
                 break;
             }
 
-            //Read QT version 1 fields. In version 0 theese dont exist
+            //Read QT version 1 fields. In version 0 these do not exist.
             dprintf(c->fc, "version =%d, isom =%d\n",version,c->isom);
             if(!c->isom) {
                 if(version==1) {
@@ -1423,7 +1423,7 @@ static int mov_read_header(AVFormatContext *s, AVFormatParameters *ap)
     }
 
     for(i=0; i<mov->total_streams; i++) {
-        /* dont need those anymore */
+        /* Do not need those anymore. */
         av_freep(&mov->streams[i]->chunk_offsets);
         av_freep(&mov->streams[i]->sample_to_chunk);
         av_freep(&mov->streams[i]->sample_sizes);
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 293b3b3f33..a8ab8f9063 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -1182,7 +1182,7 @@ static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
     /* iTunes meta data */
     mov_write_meta_tag(pb, mov, s);
 
-  if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff isnt valid in mp4
+  if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
     /* Requirements */
     for (i=0; i<mov->nb_streams; i++) {
         if(mov->tracks[i].entry <= 0) continue;
diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c
index d30fc53fc9..e9da33c55a 100644
--- a/libavformat/mpeg.c
+++ b/libavformat/mpeg.c
@@ -822,7 +822,7 @@ static int flush_packet(AVFormatContext *ctx, int stream_index,
 
         stuffing_size = payload_size - av_fifo_size(&stream->fifo);
 
-        // first byte doesnt fit -> reset pts/dts + stuffing
+        // first byte does not fit -> reset pts/dts + stuffing
         if(payload_size <= trailer_size && pts != AV_NOPTS_VALUE){
             int timestamp_len=0;
             if(dts != pts)
diff --git a/libavformat/nsvdec.c b/libavformat/nsvdec.c
index 85bb69a676..d0ba839edc 100644
--- a/libavformat/nsvdec.c
+++ b/libavformat/nsvdec.c
@@ -91,7 +91,7 @@
 struct NSVf_header {
     uint32_t chunk_tag; /* 'NSVf' */
     uint32_t chunk_size;
-    uint32_t file_size; /* max 4GB ??? noone learns anything it seems :^) */
+    uint32_t file_size; /* max 4GB ??? no one learns anything it seems :^) */
     uint32_t file_length; //unknown1;  /* what about MSB of file_size ? */
     uint32_t info_strings_size; /* size of the info strings */ //unknown2;
     uint32_t table_entries;
@@ -197,7 +197,7 @@ static const AVCodecTag nsv_codec_video_tags[] = {
     { CODEC_ID_VP4, MKTAG('V', 'P', '4', ' ') },
     { CODEC_ID_VP4, MKTAG('V', 'P', '4', '0') },
 */
-    { CODEC_ID_XVID, MKTAG('X', 'V', 'I', 'D') }, /* cf sample xvid decoder from nsv_codec_sdk.zip */
+    { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') }, /* cf sample xvid decoder from nsv_codec_sdk.zip */
     { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', '3') },
     { 0, 0 },
 };
diff --git a/libavformat/nut.c b/libavformat/nut.c
index 995149951d..867f86fa35 100644
--- a/libavformat/nut.c
+++ b/libavformat/nut.c
@@ -85,7 +85,7 @@ typedef struct {
     int64_t packet_start[3]; //0-> startcode less, 1-> short startcode 2-> long startcodes
     FrameCode frame_code[256];
     unsigned int stream_count;
-    uint64_t next_startcode;     ///< stores the next startcode if it has alraedy been parsed but the stream isnt seekable
+    uint64_t next_startcode;     ///< stores the next startcode if it has already been parsed but the stream is not seekable
     StreamContext *stream;
     int max_distance;
     int max_short_distance;
@@ -359,7 +359,7 @@ static uint64_t find_any_startcode(ByteIOContext *bc, int64_t pos){
     uint64_t state=0;
 
     if(pos >= 0)
-        url_fseek(bc, pos, SEEK_SET); //note, this may fail if the stream isnt seekable, but that shouldnt matter, as in this case we simply start where we are currently
+        url_fseek(bc, pos, SEEK_SET); //note, this may fail if the stream is not seekable, but that should not matter, as in this case we simply start where we are currently
 
     while(!url_feof(bc)){
         state= (state<<8) | get_byte(bc);
diff --git a/libavformat/nut.h b/libavformat/nut.h
index 82bbf6f178..1a4473789c 100644
--- a/libavformat/nut.h
+++ b/libavformat/nut.h
@@ -63,7 +63,7 @@ typedef struct {
     uint16_t size_lsb;
     int16_t  pts_delta;
     uint8_t  reserved_count;
-} FrameCode; // maybe s/FrameCode/framecode_t/ or change all to java style but dont mix
+} FrameCode; // maybe s/FrameCode/framecode_t/ or change all to Java style but do not mix
 
 typedef struct {
     int last_flags;
@@ -81,7 +81,7 @@ typedef struct {
 //    int written_packet_size;
 //    int64_t packet_start[3]; //0-> startcode less, 1-> short startcode 2-> long startcodes
     FrameCode frame_code[256];
-    uint64_t next_startcode;     ///< stores the next startcode if it has alraedy been parsed but the stream isnt seekable
+    uint64_t next_startcode;     ///< stores the next startcode if it has already been parsed but the stream is not seekable
     StreamContext *stream;
     unsigned int max_distance;
     unsigned int time_base_count;
diff --git a/libavformat/nutdec.c b/libavformat/nutdec.c
index 8688f19717..158e84f7eb 100644
--- a/libavformat/nutdec.c
+++ b/libavformat/nutdec.c
@@ -116,7 +116,7 @@ static uint64_t find_any_startcode(ByteIOContext *bc, int64_t pos){
     uint64_t state=0;
 
     if(pos >= 0)
-        url_fseek(bc, pos, SEEK_SET); //note, this may fail if the stream isnt seekable, but that shouldnt matter, as in this case we simply start where we are currently
+        url_fseek(bc, pos, SEEK_SET); //note, this may fail if the stream is not seekable, but that should not matter, as in this case we simply start where we are currently
 
     while(!url_feof(bc)){
         state= (state<<8) | get_byte(bc);
@@ -836,7 +836,7 @@ static int read_seek(AVFormatContext *s, int stream_index, int64_t pts, int flag
                                                 next_node[0]->back_ptr, next_node[1]->back_ptr, flags, &ts, nut_read_timestamp);
             if(pos2>=0)
                 pos= pos2;
-            //FIXME dir but i think it doesnt matter
+            //FIXME dir but i think it does not matter
         }
         dummy.pos= pos;
         sp= av_tree_find(nut->syncpoints, &dummy, sp_pos_cmp, NULL);
diff --git a/libavformat/raw.c b/libavformat/raw.c
index 1332928e60..c98ae73c2b 100644
--- a/libavformat/raw.c
+++ b/libavformat/raw.c
@@ -316,7 +316,7 @@ static int video_read_header(AVFormatContext *s,
     st->need_parsing = AVSTREAM_PARSE_FULL;
 
     /* for mjpeg, specify frame rate */
-    /* for mpeg4 specify it too (most mpeg4 streams dont have the fixed_vop_rate set ...)*/
+    /* for mpeg4 specify it too (most mpeg4 streams do not have the fixed_vop_rate set ...)*/
     if (ap->time_base.num) {
         av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
     } else if ( st->codec->codec_id == CODEC_ID_MJPEG ||
diff --git a/libavformat/riff.c b/libavformat/riff.c
index af3e7145c5..2e95f377e2 100644
--- a/libavformat/riff.c
+++ b/libavformat/riff.c
@@ -329,7 +329,7 @@ int put_wav_header(ByteIOContext *pb, AVCodecContext *enc)
     }
 
     if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_GSM_MS) {
-        blkalign = enc->frame_size; //this is wrong, but seems many demuxers dont work if this is set correctly
+        blkalign = enc->frame_size; //this is wrong, but it seems many demuxers do not work if this is set correctly
         //blkalign = 144 * enc->bit_rate/enc->sample_rate;
     } else if (enc->codec_id == CODEC_ID_ADPCM_G726) { //
         blkalign = 1;
diff --git a/libavformat/rtp.c b/libavformat/rtp.c
index 67ab41da0f..2f6a387414 100644
--- a/libavformat/rtp.c
+++ b/libavformat/rtp.c
@@ -515,7 +515,7 @@ static int rtp_parse_mp4_au(RTPDemuxContext *s, const uint8_t *buf)
     infos->au_headers = av_malloc(sizeof(struct AUHeaders) * infos->nb_au_headers);
 
     /* XXX: We handle multiple AU Section as only one (need to fix this for interleaving)
-       In my test, the faad decoder doesnt behave correctly when sending each AU one by one
+       In my test, the FAAD decoder does not behave correctly when sending each AU one by one
        but does when sending the whole as one big packet...  */
     infos->au_headers[0].size = 0;
     infos->au_headers[0].index = 0;
diff --git a/libavformat/swf.c b/libavformat/swf.c
index eaf2e8d754..ca4befec01 100644
--- a/libavformat/swf.c
+++ b/libavformat/swf.c
@@ -386,7 +386,7 @@ static int swf_write_header(AVFormatContext *s)
             break;
         default:
             /* not supported */
-            av_log(s, AV_LOG_ERROR, "swf doesnt support that sample rate, choose from (44100, 22050, 11025)\n");
+            av_log(s, AV_LOG_ERROR, "swf does not support that sample rate, choose from (44100, 22050, 11025).\n");
             return -1;
         }
         v |= 0x02; /* 16 bit playback */
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 54cb3a40c8..0fa5d8d502 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -293,7 +293,7 @@ static const char* format_to_name(void* ptr)
 }
 
 #define OFFSET(x) offsetof(AVFormatContext,x)
-#define DEFAULT 0 //should be NAN but it doesnt work as its not a constant in glibc as required by ANSI/ISO C
+#define DEFAULT 0 //should be NAN but it does not work as it is not a constant in glibc as required by ANSI/ISO C
 //these names are too long to be readable
 #define E AV_OPT_FLAG_ENCODING_PARAM
 #define D AV_OPT_FLAG_DECODING_PARAM
@@ -632,7 +632,7 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
     if (delay &&
         pc && pc->pict_type != FF_B_TYPE)
         presentation_delayed = 1;
-    /* this may be redundant, but it shouldnt hurt */
+    /* This may be redundant, but it should not hurt. */
     if(pkt->dts != AV_NOPTS_VALUE && pkt->pts != AV_NOPTS_VALUE && pkt->pts > pkt->dts)
         presentation_delayed = 1;
 
@@ -992,7 +992,7 @@ int av_add_index_entry(AVStream *st,
                 return -1;
             memmove(entries + index + 1, entries + index, sizeof(AVIndexEntry)*(st->nb_index_entries - index));
             st->nb_index_entries++;
-        }else if(ie->pos == pos && distance < ie->min_distance) //dont reduce the distance
+        }else if(ie->pos == pos && distance < ie->min_distance) //do not reduce the distance
             distance= ie->min_distance;
     }