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Factorize definition of the output_filter defined in both ffplay.c and

Browse Source 
ffmpeg.c.
Replace it with a more generic definition which can be shared.

Originally committed as revision 25453 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2010-10-12 18:40:26 +00:00
parent f5b05b951c
commit f7ead94c69
4 changed files with 58 additions and 75 deletions
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41
cmdutils.c
View File

@ -747,3 +747,44 @@ int64_t guess_correct_pts(PtsCorrectionContext *ctx, int64_t reordered_pts, int6
return pts;
}
#if CONFIG_AVFILTER
static int ffsink_init(AVFilterContext *ctx, const char *args, void *opaque)
{
FFSinkContext *priv = ctx->priv;
if (!opaque)
return AVERROR(EINVAL);
*priv = *(FFSinkContext *)opaque;
return 0;
}
static void null_end_frame(AVFilterLink *inlink) { }
static int ffsink_query_formats(AVFilterContext *ctx)
{
FFSinkContext *priv = ctx->priv;
enum PixelFormat pix_fmts[] = { priv->pix_fmt, PIX_FMT_NONE };
avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
return 0;
}
AVFilter ffsink = {
.name = "ffsink",
.priv_size = sizeof(FFSinkContext),
.init = ffsink_init,
.query_formats = ffsink_query_formats,
.inputs = (AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.end_frame = null_end_frame,
.min_perms = AV_PERM_READ, },
{ .name = NULL }},
.outputs = (AVFilterPad[]) {{ .name = NULL }},
};
#endif /* CONFIG_AVFILTER */

11
cmdutils.h
View File

@ -261,4 +261,15 @@ void init_pts_correction(PtsCorrectionContext *ctx);
*/
int64_t guess_correct_pts(PtsCorrectionContext *ctx, int64_t pts, int64_t dts);
#if CONFIG_AVFILTER
#include "libavfilter/avfilter.h"
typedef struct {
enum PixelFormat pix_fmt;
} FFSinkContext;
extern AVFilter ffsink;
#endif /* CONFIG_AVFILTER */
#endif /* FFMPEG_CMDUTILS_H */

50
ffmpeg.c
View File

@ -339,34 +339,6 @@ static struct termios oldtty;
#endif
#if CONFIG_AVFILTER
typedef struct {
int pix_fmt;
} FilterOutPriv;
static int output_init(AVFilterContext *ctx, const char *args, void *opaque)
{
FilterOutPriv *priv = ctx->priv;
if(!opaque) return -1;
priv->pix_fmt = *((int *)opaque);
return 0;
}
static void output_end_frame(AVFilterLink *link)
{
}
static int output_query_formats(AVFilterContext *ctx)
{
FilterOutPriv *priv = ctx->priv;
enum PixelFormat pix_fmts[] = { priv->pix_fmt, PIX_FMT_NONE };
avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
return 0;
}
static int get_filtered_video_pic(AVFilterContext *ctx,
AVFilterBufferRef **picref, AVFrame *pic2,
@ -391,29 +363,13 @@ static int get_filtered_video_pic(AVFilterContext *ctx,
return 1;
}
static AVFilter output_filter =
{
.name = "ffmpeg_output",
.priv_size = sizeof(FilterOutPriv),
.init = output_init,
.query_formats = output_query_formats,
.inputs = (AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.end_frame = output_end_frame,
.min_perms = AV_PERM_READ, },
{ .name = NULL }},
.outputs = (AVFilterPad[]) {{ .name = NULL }},
};
static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
{
AVFilterContext *last_filter, *filter;
/** filter graph containing all filters including input & output */
AVCodecContext *codec = ost->st->codec;
AVCodecContext *icodec = ist->st->codec;
FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
char args[255];
int ret;
@ -421,7 +377,7 @@ static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
if ((ret = avfilter_open(&ist->input_video_filter, avfilter_get_by_name("buffer"), "src")) < 0)
return ret;
if ((ret = avfilter_open(&ist->output_video_filter, &output_filter, "out")) < 0)
if ((ret = avfilter_open(&ist->output_video_filter, &ffsink, "out")) < 0)
return ret;
snprintf(args, 255, "%d:%d:%d:%d:%d", ist->st->codec->width,
@ -429,7 +385,7 @@ static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
ist->st->time_base.num, ist->st->time_base.den);
if ((ret = avfilter_init_filter(ist->input_video_filter, args, NULL)) < 0)
return ret;
if ((ret = avfilter_init_filter(ist->output_video_filter, NULL, &codec->pix_fmt)) < 0)
if ((ret = avfilter_init_filter(ist->output_video_filter, NULL, &ffsink_ctx)) < 0)
return ret;
/* add input and output filters to the overall graph */

31
ffplay.c
View File

@ -1779,18 +1779,6 @@ static AVFilter input_filter =
{ .name = NULL }},
};
static void output_end_frame(AVFilterLink *link)
{
}
static int output_query_formats(AVFilterContext *ctx)
{
enum PixelFormat pix_fmts[] = { PIX_FMT_YUV420P, PIX_FMT_NONE };
avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
return 0;
}
static int get_filtered_video_frame(AVFilterContext *ctx, AVFrame *frame,
int64_t *pts, AVRational *tb, int64_t *pos)
{
@ -1812,20 +1800,6 @@ static int get_filtered_video_frame(AVFilterContext *ctx, AVFrame *frame,
return 1;
}
static AVFilter output_filter =
{
.name = "ffplay_output",
.query_formats = output_query_formats,
.inputs = (AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.end_frame = output_end_frame,
.min_perms = AV_PERM_READ, },
{ .name = NULL }},
.outputs = (AVFilterPad[]) {{ .name = NULL }},
};
#endif /* CONFIG_AVFILTER */
static int video_thread(void *arg)
@ -1839,16 +1813,17 @@ static int video_thread(void *arg)
#if CONFIG_AVFILTER
int64_t pos;
char sws_flags_str[128];
FFSinkContext ffsink_ctx = { .pix_fmt = PIX_FMT_YUV420P };
AVFilterContext *filt_src = NULL, *filt_out = NULL;
AVFilterGraph *graph = av_mallocz(sizeof(AVFilterGraph));
snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%d", sws_flags);
graph->scale_sws_opts = av_strdup(sws_flags_str);
if (avfilter_open(&filt_src, &input_filter, "src") < 0) goto the_end;
if (avfilter_open(&filt_out, &output_filter, "out") < 0) goto the_end;
if (avfilter_open(&filt_out, &ffsink , "out") < 0) goto the_end;
if(avfilter_init_filter(filt_src, NULL, is)) goto the_end;
if(avfilter_init_filter(filt_out, NULL, NULL)) goto the_end;
if(avfilter_init_filter(filt_out, NULL, &ffsink_ctx)) goto the_end;
if(vfilters) {