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lavfi/mp: switch to an AVOptions-based system.

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This commit is contained in:
Clément Bœsch 2013-04-11 22:39:42 +02:00
parent 70b72ca6f3
commit 838d803155
2 changed files with 32 additions and 4 deletions
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16
libavfilter/avfilter.c
View File

@ -680,7 +680,6 @@ static const char *const filters_left_to_update[] = {
#endif
"atempo",
"buffer",
"mp",
"pan",
"scale",
};
@ -818,6 +817,21 @@ int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque
goto fail;
#endif
} else {
#if CONFIG_MP_FILTER
if (!strcmp(filter->filter->name, "mp")) {
char *escaped;
if (!strncmp(args, "filter=", 7))
args += 7;
ret = av_escape(&escaped, args, ":=", AV_ESCAPE_MODE_BACKSLASH, 0);
if (ret < 0) {
av_log(filter, AV_LOG_ERROR, "Unable to escape MPlayer filters arg '%s'\n", args);
goto fail;
}
ret = process_options(filter, &options, escaped);
av_free(escaped);
} else
#endif
ret = process_options(filter, &options, args);
if (ret < 0)
goto fail;

20
libavfilter/vf_mp.c
View File

@ -32,6 +32,7 @@
#include "libavutil/pixdesc.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libmpcodecs/vf.h"
#include "libmpcodecs/img_format.h"
@ -262,12 +263,23 @@ struct SwsContext *ff_sws_getContextFromCmdLine(int srcW, int srcH, int srcForma
}
typedef struct {
const AVClass *class;
vf_instance_t vf;
vf_instance_t next_vf;
AVFilterContext *avfctx;
int frame_returned;
char *filter;
} MPContext;
#define OFFSET(x) offsetof(MPContext, x)
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
static const AVOption mp_options[] = {
{ "filter", "set MPlayer filter name and parameters", OFFSET(filter), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = FLAGS },
{ NULL }
};
AVFILTER_DEFINE_CLASS(mp);
void ff_mp_msg(int mod, int lev, const char *format, ... ){
va_list va;
va_start(va, format);
@ -533,7 +545,7 @@ mp_image_t* ff_vf_get_image(vf_instance_t* vf, unsigned int outfmt, int mp_imgty
static void dummy_free(void *opaque, uint8_t *data){}
int ff_vf_next_put_image(struct vf_instance *vf,mp_image_t *mpi, double pts){
MPContext *m= (void*)vf;
MPContext *m= (MPContext*)(((uint8_t*)vf) - offsetof(MPContext, vf));
AVFilterLink *outlink = m->avfctx->outputs[0];
AVFrame *picref = av_frame_alloc();
int i;
@ -605,13 +617,13 @@ int ff_vf_next_config(struct vf_instance *vf,
}
int ff_vf_next_control(struct vf_instance *vf, int request, void* data){
MPContext *m= (void*)vf;
MPContext *m= (MPContext*)(((uint8_t*)vf) - offsetof(MPContext, vf));
av_log(m->avfctx, AV_LOG_DEBUG, "Received control %d\n", request);
return 0;
}
static int vf_default_query_format(struct vf_instance *vf, unsigned int fmt){
MPContext *m= (void*)vf;
MPContext *m= (MPContext*)(((uint8_t*)vf) - offsetof(MPContext, vf));
int i;
av_log(m->avfctx, AV_LOG_DEBUG, "query %X\n", fmt);
@ -644,6 +656,7 @@ static av_cold int init(AVFilterContext *ctx, const char *args)
m->avfctx= ctx;
args = m->filter;
if(!args || 1!=sscanf(args, "%255[^:=]", name)){
av_log(ctx, AV_LOG_ERROR, "Invalid parameter.\n");
return AVERROR(EINVAL);
@ -850,4 +863,5 @@ AVFilter avfilter_vf_mp = {
.query_formats = query_formats,
.inputs = mp_inputs,
.outputs = mp_outputs,
.priv_class = &mp_class,
};