highperfocused/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

initial support for AVOption in AVFormatContext

Browse Source 
Originally committed as revision 6108 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Nico Sabbi
2006-08-27 12:14:13 +00:00
parent c0c66dd81d
commit 4eb72c6b23
3 changed files with 36 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
libavformat/utils.c
View File

@@ -18,6 +18,7 @@
*/
#include "avformat.h"
#include "allformats.h"
#include "opt.h"
#undef NDEBUG
#include <assert.h>
@@ -453,13 +454,28 @@ static const char* format_to_name(void* ptr)
else return "NULL";
}
static const AVClass av_format_context_class = { "AVFormatContext", format_to_name };
#define OFFSET(x) (int)&((AVFormatContext*)0)->x
#define DEFAULT 0 //should be NAN but it doesnt work as its 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
static const AVOption options[]={
{NULL},
};
static const AVClass av_format_context_class = { "AVFormatContext", format_to_name, options };
void avformat_get_context_defaults(AVFormatContext *s){
memset(s, 0, sizeof(AVFormatContext));
}
AVFormatContext *av_alloc_format_context(void)
{
AVFormatContext *ic;
ic = av_mallocz(sizeof(AVFormatContext));
if (!ic) return ic;
avformat_get_context_defaults(ic);
ic->av_class = &av_format_context_class;
return ic;
}
@@ -481,7 +497,10 @@ int av_open_input_stream(AVFormatContext **ic_ptr,
memset(ap, 0, sizeof(default_ap));
}
ic = av_alloc_format_context();
if(!ap->prealloced_context)
ic = av_alloc_format_context();
else
ic = *ic_ptr;
if (!ic) {
err = AVERROR_NOMEM;
goto fail;