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avdeinterlace: Port non-deprecated AVFilter API
https://bugzilla.gnome.org/show_bug.cgi?id=757498
This commit is contained in:
Andreas Cadhalpun
Sebastian Dröge
parent
e324c2e607
commit
ddec3a2c78
2 changed files with 116 additions and 4 deletions
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@ -280,7 +280,7 @@ AC_ARG_WITH(system-libav,
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[AC_HELP_STRING([--with-system-libav], [use system Libav libraries])])
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if test "x$with_system_libav" = "xyes"; then
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PKG_CHECK_MODULES(LIBAV, libavformat libavcodec libavutil)
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PKG_CHECK_MODULES(LIBAV, libavfilter libavformat libavcodec libavutil)
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PKG_CHECK_MODULES(SWSCALE, libswscale libavutil)
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saved_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $LIBAV_CFLAGS"
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@ -313,6 +313,7 @@ else
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LIBAV_DEPS="\$(top_builddir)/gst-libs/ext/libav/libavformat/libavformat.a \
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\$(top_builddir)/gst-libs/ext/libav/libavcodec/libavcodec.a \
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\$(top_builddir)/gst-libs/ext/libav/libavfilter/libavfilter.a \
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\$(top_builddir)/gst-libs/ext/libav/libswresample/libswresample.a \
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\$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
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if test "x$enable_static_plugins" = xyes; then
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@ -357,7 +358,7 @@ else
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# Enable pic and static so that we get .a files, but with PIC code.
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emblibav_configure_args="$emblibav_configure_args \
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--enable-static --enable-pic \
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--disable-avdevice --disable-postproc --disable-avfilter \
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--disable-avdevice --disable-postproc \
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--disable-programs --disable-ffserver --disable-ffplay --disable-ffprobe --disable-ffmpeg \
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--disable-encoder=flac --disable-protocols --disable-devices \
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--disable-network --disable-hwaccels --disable-dxva2 --disable-vdpau \
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@ -25,6 +25,9 @@
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#endif
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#include <libavcodec/avcodec.h>
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#include <libavfilter/avfilter.h>
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#include <libavfilter/buffersrc.h>
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#include <libavfilter/buffersink.h>
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#include <gst/gst.h>
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#include <gst/video/video.h>
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@ -93,6 +96,14 @@ typedef struct _GstFFMpegDeinterlace
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enum PixelFormat pixfmt;
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AVPicture from_frame, to_frame;
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AVFilterContext *buffersink_ctx;
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AVFilterContext *buffersrc_ctx;
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AVFilterGraph *filter_graph;
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AVFrame *filter_frame;
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int last_width, last_height;
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enum AVPixelFormat last_pixfmt;
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} GstFFMpegDeinterlace;
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typedef struct _GstFFMpegDeinterlaceClass
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@ -135,6 +146,8 @@ G_DEFINE_TYPE (GstFFMpegDeinterlace, gst_ffmpegdeinterlace, GST_TYPE_ELEMENT);
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static GstFlowReturn gst_ffmpegdeinterlace_chain (GstPad * pad,
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GstObject * parent, GstBuffer * inbuf);
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static void gst_ffmpegdeinterlace_dispose (GObject * obj);
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static void
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gst_ffmpegdeinterlace_class_init (GstFFMpegDeinterlaceClass * klass)
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{
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@ -167,6 +180,8 @@ gst_ffmpegdeinterlace_class_init (GstFFMpegDeinterlaceClass * klass)
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gst_element_class_set_static_metadata (element_class,
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"libav Deinterlace element", "Filter/Effect/Video/Deinterlace",
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"Deinterlace video", "Luca Ognibene <luogni@tin.it>");
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gobject_class->dispose = gst_ffmpegdeinterlace_dispose;
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}
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static void
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@ -277,6 +292,101 @@ gst_ffmpegdeinterlace_init (GstFFMpegDeinterlace * deinterlace)
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deinterlace->reconfigure = FALSE;
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deinterlace->mode = DEFAULT_MODE;
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deinterlace->new_mode = -1;
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deinterlace->last_width = -1;
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deinterlace->last_height = -1;
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deinterlace->last_pixfmt = AV_PIX_FMT_NONE;
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}
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static void
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delete_filter_graph (GstFFMpegDeinterlace * deinterlace)
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{
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if (deinterlace->filter_graph) {
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av_frame_free (&deinterlace->filter_frame);
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avfilter_graph_free (&deinterlace->filter_graph);
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}
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}
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static void
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gst_ffmpegdeinterlace_dispose (GObject * obj)
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{
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GstFFMpegDeinterlace *deinterlace = GST_FFMPEGDEINTERLACE (obj);
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delete_filter_graph (deinterlace);
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}
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static int
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init_filter_graph (GstFFMpegDeinterlace * deinterlace,
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enum AVPixelFormat pixfmt, int width, int height)
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{
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AVFilterInOut *inputs = NULL, *outputs = NULL;
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char args[512];
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int res;
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delete_filter_graph (deinterlace);
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deinterlace->filter_graph = avfilter_graph_alloc ();
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snprintf (args, sizeof (args),
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"buffer=video_size=%dx%d:pix_fmt=%d:time_base=1/1:pixel_aspect=0/1[in];"
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"[in]yadif[out];" "[out]buffersink", width, height, pixfmt);
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res =
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avfilter_graph_parse2 (deinterlace->filter_graph, args, &inputs,
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&outputs);
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if (res < 0)
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return res;
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if (inputs || outputs)
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return -1;
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res = avfilter_graph_config (deinterlace->filter_graph, NULL);
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if (res < 0)
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return res;
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deinterlace->buffersrc_ctx =
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avfilter_graph_get_filter (deinterlace->filter_graph, "Parsed_buffer_0");
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deinterlace->buffersink_ctx =
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avfilter_graph_get_filter (deinterlace->filter_graph,
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"Parsed_buffersink_2");
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if (!deinterlace->buffersrc_ctx || !deinterlace->buffersink_ctx)
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return -1;
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deinterlace->filter_frame = av_frame_alloc ();
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deinterlace->last_width = width;
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deinterlace->last_height = height;
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deinterlace->last_pixfmt = pixfmt;
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return 0;
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}
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static int
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process_filter_graph (GstFFMpegDeinterlace * deinterlace, AVPicture * dst,
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const AVPicture * src, enum AVPixelFormat pixfmt, int width, int height)
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{
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int res;
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if (!deinterlace->filter_graph || width != deinterlace->last_width ||
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height != deinterlace->last_height
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|| pixfmt != deinterlace->last_pixfmt) {
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res = init_filter_graph (deinterlace, pixfmt, width, height);
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if (res < 0)
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return res;
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}
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memcpy (deinterlace->filter_frame->data, src->data, sizeof (src->data));
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memcpy (deinterlace->filter_frame->linesize, src->linesize,
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sizeof (src->linesize));
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deinterlace->filter_frame->width = width;
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deinterlace->filter_frame->height = height;
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deinterlace->filter_frame->format = pixfmt;
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res =
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av_buffersrc_add_frame (deinterlace->buffersrc_ctx,
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deinterlace->filter_frame);
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if (res < 0)
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return res;
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res =
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av_buffersink_get_frame (deinterlace->buffersink_ctx,
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deinterlace->filter_frame);
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if (res < 0)
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return res;
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av_picture_copy (dst, (const AVPicture *) deinterlace->filter_frame, pixfmt,
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width, height);
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av_frame_unref (deinterlace->filter_frame);
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return 0;
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}
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static GstFlowReturn
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@ -320,8 +430,9 @@ gst_ffmpegdeinterlace_chain (GstPad * pad, GstObject * parent,
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gst_ffmpeg_avpicture_fill (&deinterlace->to_frame, to_map.data,
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deinterlace->pixfmt, deinterlace->width, deinterlace->height);
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avpicture_deinterlace (&deinterlace->to_frame, &deinterlace->from_frame,
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deinterlace->pixfmt, deinterlace->width, deinterlace->height);
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process_filter_graph (deinterlace, &deinterlace->to_frame,
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&deinterlace->from_frame, deinterlace->pixfmt, deinterlace->width,
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deinterlace->height);
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gst_buffer_unmap (outbuf, &to_map);
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gst_buffer_unmap (inbuf, &from_map);
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