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av_*_next() API for libavcodec

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Originally committed as revision 11204 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-12-12 18:40:11 +00:00
parent 8540e8c3ec
commit 55b9e69a31
5 changed files with 28 additions and 7 deletions
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8
ffmpeg.c
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@ -3321,8 +3321,8 @@ static void opt_show_formats(void)
AVInputFormat *ifmt;
AVOutputFormat *ofmt;
URLProtocol *up;
AVCodec *p, *p2;
AVBitStreamFilter *bsf;
AVCodec *p=NULL, *p2;
AVBitStreamFilter *bsf=NULL;
const char *last_name;
printf("File formats:\n");
@ -3373,7 +3373,7 @@ static void opt_show_formats(void)
const char *type_str;
p2=NULL;
for(p = first_avcodec; p != NULL; p = p->next) {
while(p= av_codec_next(p)) {
if((p2==NULL || strcmp(p->name, p2->name)<0) &&
strcmp(p->name, last_name)>0){
p2= p;
@ -3419,7 +3419,7 @@ static void opt_show_formats(void)
printf("\n");
printf("Bitstream filters:\n");
for(bsf = first_bitstream_filter; bsf != NULL; bsf = bsf->next)
while(bsf = av_bitstream_filter_next(bsf))
printf(" %s", bsf->name);
printf("\n");

12
libavcodec/avcodec.h
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@ -33,8 +33,8 @@
#define AV_STRINGIFY(s) AV_TOSTRING(s)
#define AV_TOSTRING(s) #s
#define LIBAVCODEC_VERSION_INT ((51<<16)+(48<<8)+0)
#define LIBAVCODEC_VERSION 51.48.0
#define LIBAVCODEC_VERSION_INT ((51<<16)+(49<<8)+0)
#define LIBAVCODEC_VERSION 51.49.0
#define LIBAVCODEC_BUILD LIBAVCODEC_VERSION_INT
#define LIBAVCODEC_IDENT "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
@ -2428,7 +2428,10 @@ int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
/* external high level API */
#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
extern AVCodec *first_avcodec;
#endif
AVCodec *av_codec_next(AVCodec *c);
/* returns LIBAVCODEC_VERSION_INT constant */
unsigned avcodec_version(void);
@ -2784,7 +2787,10 @@ typedef struct AVCodecParser {
struct AVCodecParser *next;
} AVCodecParser;
#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
extern AVCodecParser *av_first_parser;
#endif
AVCodecParser *av_parser_next(AVCodecParser *c);
void av_register_codec_parser(AVCodecParser *parser);
AVCodecParserContext *av_parser_init(int codec_id);
@ -2827,7 +2833,7 @@ int av_bitstream_filter_filter(AVBitStreamFilterContext *bsfc,
const uint8_t *buf, int buf_size, int keyframe);
void av_bitstream_filter_close(AVBitStreamFilterContext *bsf);
extern AVBitStreamFilter *first_bitstream_filter;
AVBitStreamFilter *av_bitstream_filter_next(AVBitStreamFilter *f);
/* memory */

5
libavcodec/bitstream_filter.c
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@ -22,6 +22,11 @@
AVBitStreamFilter *first_bitstream_filter= NULL;
AVBitStreamFilter *av_bitstream_filter_next(AVBitStreamFilter *f){
if(f) return f->next;
else return first_bitstream_filter;
}
void av_register_bitstream_filter(AVBitStreamFilter *bsf){
bsf->next = first_bitstream_filter;
first_bitstream_filter= bsf;

5
libavcodec/parser.c
View File

@ -24,6 +24,11 @@
AVCodecParser *av_first_parser = NULL;
AVCodecParser* av_parser_next(AVCodecParser *p){
if(p) return p->next;
else return av_first_parser;
}
void av_register_codec_parser(AVCodecParser *parser)
{
parser->next = av_first_parser;

5
libavcodec/utils.c
View File

@ -126,6 +126,11 @@ static void do_free(void)
/* encoder management */
AVCodec *first_avcodec = NULL;
AVCodec *av_codec_next(AVCodec *c){
if(c) return c->next;
else return first_avcodec;
}
void register_avcodec(AVCodec *format)
{
AVCodec **p;