From 2f39d7ff3fc2a5d427f9576fcc83f58c2e7d6a4f Mon Sep 17 00:00:00 2001 From: =?utf8?q?Cl=C3=A9ment=20B=C5=93sch?= Date: Fri, 29 Jun 2012 19:13:13 +0200 Subject: [PATCH] lavfi/select: make lavc dependency optional. --- configure | 1 - libavfilter/version.h | 2 +- libavfilter/vf_select.c | 17 ++++++++++++++--- 3 files changed, 15 insertions(+), 5 deletions(-) diff --git a/configure b/configure index f0d8379272..c36d1f573d 100755 --- a/configure +++ b/configure @@ -1915,7 +1915,6 @@ pan_filter_deps="swresample" removelogo_filter_deps="avcodec avformat swscale" scale_filter_deps="swscale" smartblur_filter_deps="gpl swscale" -select_filter_deps="avcodec" showspectrum_filter_deps="avcodec" super2xsai_filter_deps="gpl" tinterlace_filter_deps="gpl" diff --git a/libavfilter/version.h b/libavfilter/version.h index e83593ebb3..8b7a6700c4 100644 --- a/libavfilter/version.h +++ b/libavfilter/version.h @@ -30,7 +30,7 @@ #define LIBAVFILTER_VERSION_MAJOR 3 #define LIBAVFILTER_VERSION_MINOR 16 -#define LIBAVFILTER_VERSION_MICRO 105 +#define LIBAVFILTER_VERSION_MICRO 106 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \ LIBAVFILTER_VERSION_MINOR, \ 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); -- 2.11.0