CODEC_ID_SSA,
CODEC_ID_MOV_TEXT,
- /* other specific kind of codecs (generaly used for attachments) */
+ /* other specific kind of codecs (generally used for attachments) */
CODEC_ID_TTF= 0x18000,
CODEC_ID_MPEG2TS= 0x20000, /**< _FAKE_ codec to indicate a raw MPEG-2 TS
int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height);
/* minimum alignment rules ;)
-if u notice errors in the align stuff, need more alignment for some asm code for some cpu
-or need to use a function with less aligned data then send a mail to the ffmpeg-dev list, ...
-
-!warning these alignments might not match reallity, (missing attribute((align)) stuff somewhere possible)
-i (michael) didnt check them, these are just the alignents which i think could be reached easily ...
+If you notice errors in the align stuff, need more alignment for some ASM code
+for some CPU or need to use a function with less aligned data then send a mail
+to the ffmpeg-devel mailing list, ...
+
+!warning These alignments might not match reality, (missing attribute((align))
+stuff somewhere possible).
+I (Michael) did not check them, these are just the alignments which i think
+could be reached easily ...
!future video codecs might need functions with less strict alignment
*/
}
if(s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)){
- av_log(avctx, AV_LOG_ERROR, "closed gop with scene change detection arent supported yet, set threshold to 1000000000\n");
+ av_log(avctx, AV_LOG_ERROR, "closed gop with scene change detection are not supported yet, set threshold to 1000000000\n");
return -1;
}
// z4 = vec_add(z4, z5); // z4 += z5;
// z2 = MULTIPLY(z2, - FIX_2_562915447); /* sqrt(2) * (-c1-c3) */
- // Wow! It's actually more effecient to roll this multiply
+ // Wow! It's actually more efficient to roll this multiply
// into the adds below, even thought the multiply gets done twice!
// z2 = vec_madd(z2, vec_2_562915447, (vector float)zero);
(c->fc->video_codec_id ? codec_get_id(codec_movvideo_tags, format) != c->fc->video_codec_id
: st->codec->codec_tag != MKTAG('j', 'p', 'e', 'g'))
){
- /* multiple fourcc, we skip jpeg, this isnt correct, we should export it as
- seperate AVStream but this needs a few changes in the mov demuxer, patch
- welcome */
+ /* Multiple fourcc, we skip JPEG. This is not correct, we should
+ * export it as a separate AVStream but this needs a few changes
+ * in the MOV demuxer, patch welcome. */
url_fskip(pb, size - (url_ftell(pb) - start_pos));
continue;
}
header |= 1<<16; //no crc
AV_WB32(out, header);
if(size <= 0)
- return 2; //we guess theres no crc, if there is one the user clearly doesnt care about overhead
+ return 2; //we guess there is no crc, if there is one the user clearly does not care about overhead
if(bitrate_index == 30)
return -1; //something is wrong ...
header |= (bitrate_index&1)<<9;
return 2; //FIXME actually put the needed ones in build_elision_headers()
- return 3; //we guess that the private bit isnt set
-//FIXME the above asumtations should be checked, if these turn out false too often something should be done
+ return 3; //we guess that the private bit is not set
+//FIXME the above assumptions should be checked, if these turn out false too often something should be done
}
return 0;
}
struct AVAES;
/**
- * initializes an AVAES context
+ * Initializes an AVAES context.
* @param key_bits 128, 192 or 256
* @param decrypt 0 for encryption, 1 for decryption
*/
int av_aes_init(struct AVAES *a, const uint8_t *key, int key_bits, int decrypt);
/**
- * encrypts / decrypts.
+ * Encrypts / decrypts.
* @param count number of 16 byte blocks
* @param dst destination array, can be equal to src
* @param src source array, can be equal to dst
/**
* @file avutil.h
- * external api header.
+ * external API header
*/
/**
* @file bswap.h
- * byte swap.
+ * byte swapping routines
*/
#ifndef FFMPEG_BSWAP_H
/**
* @file common.h
- * common internal and external api header.
+ * common internal and external API header
*/
#ifndef FFMPEG_COMMON_H
But I don't want to code such logic here!
*/
/* Why 16?
- because some cpus need alignment, for example SSE2 on P4, & most RISC cpus
+ Because some CPUs need alignment, for example SSE2 on P4, & most RISC CPUs
it will just trigger an exception and the unaligned load will be done in the
exception handler or it will just segfault (SSE2 on P4)
- Why not larger? because i didnt see a difference in benchmarks ...
+ Why not larger? because i did not see a difference in benchmarks ...
*/
/* benchmarks with p3
memalign(64)+1 3071,3051,3032
/**
* @file postprocess.h
* @brief
- * external api for the pp stuff
+ * external postprocessing API
*/
#include "libavutil/avutil.h"