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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00

Merge commit 'b85a5e87af4254b80913fe33591d96361f30832b'

* commit 'b85a5e87af4254b80913fe33591d96361f30832b':
  lavu: Add av_strnstr()
  h264: Allow discarding the cropping information from SPS

Conflicts:
	Changelog
	doc/APIchanges
	libavcodec/avcodec.h
	libavcodec/version.h
	libavutil/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-01-25 14:36:45 +01:00
commit 25be63005f
9 changed files with 53 additions and 3 deletions

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@ -9,6 +9,7 @@ version <next>:
- Theora Midstream reconfiguration support
- EVRC decoder
- audio fade filter
- av_strnstr
version 1.1:

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@ -135,6 +135,9 @@ API changes, most recent first:
2012-03-26 - a67d9cf - lavfi 2.66.100
Add avfilter_fill_frame_from_{audio_,}buffer_ref() functions.
2013-01-xx - xxxxxxx - lavu 52.6.0 - avstring.h
Add av_strnstr()
2013-01-xx - xxxxxxx - lavu 52.5.0 - hmac.h
Add AVHMAC.

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@ -713,6 +713,8 @@ typedef struct RcOverride{
#define CODEC_FLAG2_NO_OUTPUT 0x00000004 ///< Skip bitstream encoding.
#define CODEC_FLAG2_LOCAL_HEADER 0x00000008 ///< Place global headers at every keyframe instead of in extradata.
#define CODEC_FLAG2_DROP_FRAME_TIMECODE 0x00002000 ///< timecode is in drop frame format. DEPRECATED!!!!
#define CODEC_FLAG2_IGNORE_CROP 0x00010000 ///< Discard cropping information from SPS.
#if FF_API_MPV_GLOBAL_OPTS
#define CODEC_FLAG_CBP_RD 0x04000000 ///< Use rate distortion optimization for cbp.
#define CODEC_FLAG_QP_RD 0x08000000 ///< Use rate distortion optimization for qp selectioon.

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@ -471,6 +471,20 @@ int ff_h264_decode_seq_parameter_set(H264Context *h){
sps->crop_right = get_ue_golomb(&s->gb);
sps->crop_top = get_ue_golomb(&s->gb);
sps->crop_bottom= get_ue_golomb(&s->gb);
if (h->s.avctx->flags2 & CODEC_FLAG2_IGNORE_CROP) {
av_log(h->s.avctx, AV_LOG_DEBUG,
"discarding sps cropping, "
"original values are l:%u r:%u t:%u b:%u\n",
sps->crop_left,
sps->crop_right,
sps->crop_top,
sps->crop_bottom);
sps->crop_left =
sps->crop_right =
sps->crop_top =
sps->crop_bottom = 0;
}
if(sps->crop_left || sps->crop_top){
av_log(h->s.avctx, AV_LOG_ERROR, "insane cropping not completely supported, this could look slightly wrong ... (left: %d, top: %d)\n", sps->crop_left, sps->crop_top);
}

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@ -79,6 +79,7 @@ static const AVOption options[]={
{"sgop", "Deprecated, use mpegvideo private options instead", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG2_STRICT_GOP }, INT_MIN, INT_MAX, V|E, "flags2"},
#endif
{"noout", "skip bitstream encoding", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG2_NO_OUTPUT }, INT_MIN, INT_MAX, V|E, "flags2"},
{"ignorecrop", "ignore cropping information from sps", 1, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG2_IGNORE_CROP }, INT_MIN, INT_MAX, V|D, "flags2"},
{"local_header", "place global headers at every keyframe instead of in extradata", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG2_LOCAL_HEADER }, INT_MIN, INT_MAX, V|E, "flags2"},
{"chunks", "Frame data might be split into multiple chunks", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG2_CHUNKS }, INT_MIN, INT_MAX, V|D, "flags2"},
{"showall", "Show all frames before the first keyframe", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG2_SHOW_ALL }, INT_MIN, INT_MAX, V|D, "flags2"},

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@ -29,7 +29,7 @@
#include "libavutil/avutil.h"
#define LIBAVCODEC_VERSION_MAJOR 54
#define LIBAVCODEC_VERSION_MINOR 90
#define LIBAVCODEC_VERSION_MINOR 91
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

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@ -65,6 +65,20 @@ char *av_stristr(const char *s1, const char *s2)
return NULL;
}
char *av_strnstr(const char *haystack, const char *needle, size_t hay_length)
{
size_t needle_len = strlen(needle);
if (!needle_len)
return haystack;
while (hay_length >= needle_len) {
hay_length--;
if (!memcmp(haystack, needle, needle_len))
return haystack;
haystack++;
}
return NULL;
}
size_t av_strlcpy(char *dst, const char *src, size_t size)
{
size_t len = 0;

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@ -66,6 +66,21 @@ int av_stristart(const char *str, const char *pfx, const char **ptr);
*/
char *av_stristr(const char *haystack, const char *needle);
/**
* Locate the first occurrence of the string needle in the string haystack
* where not more than hay_length characters are searched. A zero-length
* string needle is considered to match at the start of haystack.
*
* This function is a length-limited version of the standard strstr().
*
* @param haystack string to search in
* @param needle string to search for
* @param hay_length length of string to search in
* @return pointer to the located match within haystack
* or a null pointer if no match
*/
char *av_strnstr(const char *haystack, const char *needle, size_t hay_length);
/**
* Copy the string src to dst, but no more than size - 1 bytes, and
* null-terminate dst.

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@ -75,8 +75,8 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 52
#define LIBAVUTIL_VERSION_MINOR 15
#define LIBAVUTIL_VERSION_MICRO 103
#define LIBAVUTIL_VERSION_MINOR 16
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
LIBAVUTIL_VERSION_MINOR, \