diff options
author | Clément Bœsch <ubitux@gmail.com> | 2012-06-29 21:13:13 +0400 |
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committer | Clément Bœsch <ubitux@gmail.com> | 2012-09-20 20:45:47 +0400 |
commit | 2f39d7ff3fc2a5d427f9576fcc83f58c2e7d6a4f (patch) | |
tree | 47f7cbb5fe947c9638b7b6f88dcfd1eadea55f1d /libavfilter/vf_select.c | |
parent | a16c512374ca8c0661fa02818f075e4ac4c15896 (diff) |
lavfi/select: make lavc dependency optional.
Diffstat (limited to 'libavfilter/vf_select.c')
-rw-r--r-- | libavfilter/vf_select.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/libavfilter/vf_select.c b/libavfilter/vf_select.c index 72af50e646..52b03b134b 100644 --- a/libavfilter/vf_select.c +++ b/libavfilter/vf_select.c @@ -25,13 +25,16 @@ #include "libavutil/eval.h" #include "libavutil/fifo.h" -#include "libavcodec/dsputil.h" #include "libavutil/internal.h" #include "avfilter.h" #include "formats.h" #include "internal.h" #include "video.h" +#if CONFIG_AVCODEC +#include "libavcodec/dsputil.h" +#endif + static const char *const var_names[] = { "TB", ///< timebase @@ -116,9 +119,11 @@ typedef struct { AVExpr *expr; double var_values[VAR_VARS_NB]; int do_scene_detect; ///< 1 if the expression requires scene detection variables, 0 otherwise +#if CONFIG_AVCODEC AVCodecContext *avctx; ///< codec context required for the DSPContext (scene detect only) DSPContext c; ///< context providing optimized SAD methods (scene detect only) double prev_mafd; ///< previous MAFD (scene detect only) +#endif AVFilterBufferRef *prev_picref; ///< previous frame (scene detect only) double select; int cache_frames; @@ -143,6 +148,10 @@ static av_cold int init(AVFilterContext *ctx, const char *args) } select->do_scene_detect = args && strstr(args, "scene"); + if (select->do_scene_detect && !CONFIG_AVCODEC) { + av_log(ctx, AV_LOG_ERROR, "Scene detection is not available without libavcodec.\n"); + return AVERROR(EINVAL); + } return 0; } @@ -175,7 +184,7 @@ static int config_input(AVFilterLink *inlink) select->var_values[VAR_INTERLACE_TYPE_T] = INTERLACE_TYPE_T; select->var_values[VAR_INTERLACE_TYPE_B] = INTERLACE_TYPE_B; - if (select->do_scene_detect) { + if (CONFIG_AVCODEC && select->do_scene_detect) { select->avctx = avcodec_alloc_context3(NULL); if (!select->avctx) return AVERROR(ENOMEM); @@ -184,6 +193,7 @@ static int config_input(AVFilterLink *inlink) return 0; } +#if CONFIG_AVCODEC static double get_scene_score(AVFilterContext *ctx, AVFilterBufferRef *picref) { double ret = 0; @@ -217,6 +227,7 @@ static double get_scene_score(AVFilterContext *ctx, AVFilterBufferRef *picref) select->prev_picref = avfilter_ref_buffer(picref, ~0); return ret; } +#endif #define D2TS(d) (isnan(d) ? AV_NOPTS_VALUE : (int64_t)(d)) #define TS2D(ts) ((ts) == AV_NOPTS_VALUE ? NAN : (double)(ts)) @@ -227,7 +238,7 @@ static int select_frame(AVFilterContext *ctx, AVFilterBufferRef *picref) AVFilterLink *inlink = ctx->inputs[0]; double res; - if (select->do_scene_detect) + if (CONFIG_AVCODEC && select->do_scene_detect) select->var_values[VAR_SCENE] = get_scene_score(ctx, picref); if (isnan(select->var_values[VAR_START_PTS])) select->var_values[VAR_START_PTS] = TS2D(picref->pts); |