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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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ffmpegvidenc: Handle allocation queries and improve the padding/direct-rendering handling
This commit is contained in:
Sebastian Dröge
parent
6ff10a922a
commit
83f57519b4
1 changed files with 202 additions and 196 deletions
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@ -33,11 +33,15 @@
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/video/gstvideodecoder.h>
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#include <gst/video/gstvideometa.h>
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#include <gst/video/gstvideopool.h>
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#include "gstffmpeg.h"
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#include "gstffmpegcodecmap.h"
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#include "gstffmpegutils.h"
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GST_DEBUG_CATEGORY_EXTERN (GST_CAT_PERFORMANCE);
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typedef struct _GstFFMpegVidDec GstFFMpegVidDec;
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#define MAX_TS_MASK 0xff
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@ -63,23 +67,16 @@ struct _GstFFMpegVidDec
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guint8 *padded;
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guint padded_size;
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GValue *par; /* pixel aspect ratio of incoming data */
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gboolean current_dr; /* if direct rendering is enabled */
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gboolean extra_ref; /* keep extra ref around in get/release */
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/* some properties */
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enum AVDiscard skip_frame;
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gint lowres;
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gboolean direct_rendering;
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gboolean do_padding;
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gboolean debug_mv;
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gboolean crop;
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int max_threads;
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gboolean is_realvideo;
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/* Can downstream allocate 16bytes aligned data. */
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gboolean can_allocate_aligned;
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};
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typedef struct _GstFFMpegVidDecClass GstFFMpegVidDecClass;
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@ -105,9 +102,7 @@ struct _GstFFMpegVidDecClass
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#define DEFAULT_LOWRES 0
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#define DEFAULT_SKIPFRAME 0
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#define DEFAULT_DIRECT_RENDERING TRUE
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#define DEFAULT_DO_PADDING TRUE
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#define DEFAULT_DEBUG_MV FALSE
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#define DEFAULT_CROP TRUE
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#define DEFAULT_MAX_THREADS 0
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enum
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@ -116,9 +111,7 @@ enum
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PROP_LOWRES,
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PROP_SKIPFRAME,
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PROP_DIRECT_RENDERING,
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PROP_DO_PADDING,
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PROP_DEBUG_MV,
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PROP_CROP,
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PROP_MAX_THREADS,
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PROP_LAST
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};
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@ -136,6 +129,10 @@ static GstFlowReturn gst_ffmpegviddec_handle_frame (GstVideoDecoder * decoder,
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static gboolean gst_ffmpegviddec_stop (GstVideoDecoder * decoder);
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static gboolean gst_ffmpegviddec_reset (GstVideoDecoder * decoder,
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gboolean hard);
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static gboolean gst_ffmpegviddec_decide_allocation (GstVideoDecoder * decoder,
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GstQuery * query);
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static gboolean gst_ffmpegviddec_propose_allocation (GstVideoDecoder * decoder,
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GstQuery * query);
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static void gst_ffmpegviddec_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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@ -273,10 +270,6 @@ gst_ffmpegviddec_class_init (GstFFMpegVidDecClass * klass)
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g_param_spec_boolean ("direct-rendering", "Direct Rendering",
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"Enable direct rendering", DEFAULT_DIRECT_RENDERING,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_DO_PADDING,
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g_param_spec_boolean ("do-padding", "Do Padding",
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"Add 0 padding before decoding data", DEFAULT_DO_PADDING,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_DEBUG_MV,
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g_param_spec_boolean ("debug-mv", "Debug motion vectors",
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"Whether libav should print motion vectors on top of the image",
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@ -296,6 +289,8 @@ gst_ffmpegviddec_class_init (GstFFMpegVidDecClass * klass)
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viddec_class->stop = gst_ffmpegviddec_stop;
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viddec_class->reset = gst_ffmpegviddec_reset;
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viddec_class->finish = gst_ffmpegviddec_finish;
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viddec_class->decide_allocation = gst_ffmpegviddec_decide_allocation;
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viddec_class->propose_allocation = gst_ffmpegviddec_propose_allocation;
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}
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static void
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@ -308,13 +303,8 @@ gst_ffmpegviddec_init (GstFFMpegVidDec * ffmpegdec)
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ffmpegdec->waiting_for_key = TRUE;
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ffmpegdec->skip_frame = ffmpegdec->lowres = 0;
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ffmpegdec->direct_rendering = DEFAULT_DIRECT_RENDERING;
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ffmpegdec->do_padding = DEFAULT_DO_PADDING;
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ffmpegdec->debug_mv = DEFAULT_DEBUG_MV;
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ffmpegdec->crop = DEFAULT_CROP;
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ffmpegdec->max_threads = DEFAULT_MAX_THREADS;
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/* We initially assume downstream can allocate 16 bytes aligned buffers */
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ffmpegdec->can_allocate_aligned = TRUE;
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}
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static void
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@ -457,41 +447,6 @@ gst_ffmpegviddec_set_format (GstVideoDecoder * decoder,
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ffmpegdec->context->time_base.den = 25;
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}
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/* figure out if we can use direct rendering */
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ffmpegdec->current_dr = FALSE;
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ffmpegdec->extra_ref = FALSE;
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if (ffmpegdec->direct_rendering) {
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GST_DEBUG_OBJECT (ffmpegdec, "trying to enable direct rendering");
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if (oclass->in_plugin->capabilities & CODEC_CAP_DR1) {
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if (oclass->in_plugin->id == CODEC_ID_H264) {
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GST_DEBUG_OBJECT (ffmpegdec, "disable direct rendering setup for H264");
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/* does not work, many stuff reads outside of the planes */
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ffmpegdec->current_dr = FALSE;
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ffmpegdec->extra_ref = TRUE;
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} else if ((oclass->in_plugin->id == CODEC_ID_SVQ1) ||
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(oclass->in_plugin->id == CODEC_ID_VP5) ||
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(oclass->in_plugin->id == CODEC_ID_VP6) ||
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(oclass->in_plugin->id == CODEC_ID_VP6F) ||
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(oclass->in_plugin->id == CODEC_ID_VP6A)) {
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GST_DEBUG_OBJECT (ffmpegdec,
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"disable direct rendering setup for broken stride support");
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/* does not work, uses a incompatible stride. See #610613 */
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ffmpegdec->current_dr = FALSE;
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ffmpegdec->extra_ref = TRUE;
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} else {
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GST_DEBUG_OBJECT (ffmpegdec, "enabled direct rendering");
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ffmpegdec->current_dr = TRUE;
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}
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} else {
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GST_DEBUG_OBJECT (ffmpegdec, "direct rendering not supported");
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}
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}
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if (ffmpegdec->current_dr) {
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/* do *not* draw edges when in direct rendering, for some reason it draws
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* outside of the memory. */
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ffmpegdec->context->flags |= CODEC_FLAG_EMU_EDGE;
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}
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/* workaround encoder bugs */
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ffmpegdec->context->workaround_bugs |= FF_BUG_AUTODETECT;
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ffmpegdec->context->error_recognition = 1;
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@ -539,77 +494,6 @@ open_failed:
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}
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}
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static GstFlowReturn
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alloc_output_buffer (GstFFMpegVidDec * ffmpegdec, GstVideoCodecFrame * frame)
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{
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GstFlowReturn ret;
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gint fsize;
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ret = GST_FLOW_ERROR;
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GST_LOG_OBJECT (ffmpegdec, "alloc output buffer");
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/* see if we need renegotiation */
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if (G_UNLIKELY (!gst_ffmpegviddec_negotiate (ffmpegdec, FALSE)))
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goto negotiate_failed;
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/* get the size of the gstreamer output buffer given a
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* width/height/format */
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fsize = GST_VIDEO_INFO_SIZE (&ffmpegdec->output_state->info);
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if (!ffmpegdec->context->palctrl && ffmpegdec->can_allocate_aligned) {
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GstMapInfo minfo;
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GST_LOG_OBJECT (ffmpegdec, "calling pad_alloc");
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/* no pallete, we can use the buffer size to alloc */
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ret =
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gst_video_decoder_alloc_output_frame (GST_VIDEO_DECODER (ffmpegdec),
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frame);
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if (G_UNLIKELY (ret != GST_FLOW_OK))
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goto alloc_failed;
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/* If buffer isn't 128-bit aligned, create a memaligned one ourselves */
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if (!gst_buffer_map (frame->output_buffer, &minfo,
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GST_MAP_READ | GST_MAP_WRITE))
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goto alloc_failed;
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if (((uintptr_t) minfo.data) % 16) {
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gst_buffer_unmap (frame->output_buffer, &minfo);
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GST_DEBUG_OBJECT (ffmpegdec,
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"Downstream can't allocate aligned buffers.");
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ffmpegdec->can_allocate_aligned = FALSE;
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gst_buffer_unref (frame->output_buffer);
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frame->output_buffer = new_aligned_buffer (fsize);
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} else {
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gst_buffer_unmap (frame->output_buffer, &minfo);
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}
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} else {
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GST_LOG_OBJECT (ffmpegdec,
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"not calling pad_alloc, we have a pallete or downstream can't give 16 byte aligned buffers.");
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/* for paletted data we can't use pad_alloc_buffer(), because
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* fsize contains the size of the palette, so the overall size
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* is bigger than ffmpegcolorspace's unit size, which will
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* prompt GstBaseTransform to complain endlessly ... */
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frame->output_buffer = new_aligned_buffer (fsize);
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ret = GST_FLOW_OK;
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}
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return ret;
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/* special cases */
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negotiate_failed:
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{
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GST_DEBUG_OBJECT (ffmpegdec, "negotiate failed");
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return GST_FLOW_NOT_NEGOTIATED;
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}
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alloc_failed:
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{
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GST_DEBUG_OBJECT (ffmpegdec, "pad_alloc failed %d (%s)", ret,
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gst_flow_get_name (ret));
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return ret;
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}
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}
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typedef struct
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{
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GstVideoCodecFrame *frame;
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@ -637,15 +521,14 @@ gst_ffmpegviddec_video_frame_free (GstFFMpegVidDecVideoFrame * frame)
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g_slice_free (GstFFMpegVidDecVideoFrame, frame);
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}
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/* called when ffmpeg wants us to allocate a buffer to write the decoded frame
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* into. We try to give it memory from our pool */
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static int
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gst_ffmpegviddec_get_buffer (AVCodecContext * context, AVFrame * picture)
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{
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GstVideoCodecFrame *frame;
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GstFFMpegVidDecVideoFrame *dframe;
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GstFFMpegVidDec *ffmpegdec;
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gint width, height;
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gint coded_width, coded_height;
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gint res;
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gint c;
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GstVideoInfo *info;
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GstFlowReturn ret;
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@ -666,55 +549,26 @@ gst_ffmpegviddec_get_buffer (AVCodecContext * context, AVFrame * picture)
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goto no_frame;
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picture->opaque = dframe = gst_ffmpegviddec_video_frame_new (frame);
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ffmpegdec->context->pix_fmt = context->pix_fmt;
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if (!ffmpegdec->current_dr) {
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GST_LOG_OBJECT (ffmpegdec, "direct rendering disabled, fallback alloc");
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res = avcodec_default_get_buffer (context, picture);
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/* see if we need renegotiation */
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if (G_UNLIKELY (!gst_ffmpegviddec_negotiate (ffmpegdec, FALSE)))
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goto negotiate_failed;
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GST_LOG_OBJECT (ffmpegdec, "linsize %d %d %d", picture->linesize[0],
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picture->linesize[1], picture->linesize[2]);
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GST_LOG_OBJECT (ffmpegdec, "data %u %u %u", 0,
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(guint) (picture->data[1] - picture->data[0]),
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(guint) (picture->data[2] - picture->data[0]));
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return res;
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}
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if (!ffmpegdec->current_dr)
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goto no_dr;
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/* take width and height before clipping */
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width = context->width;
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height = context->height;
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coded_width = context->coded_width;
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coded_height = context->coded_height;
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GST_LOG_OBJECT (ffmpegdec, "dimension %dx%d, coded %dx%d", width, height,
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coded_width, coded_height);
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/* this is the size ffmpeg needs for the buffer */
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avcodec_align_dimensions (context, &width, &height);
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GST_LOG_OBJECT (ffmpegdec, "Aligned dimensions %dx%d", width, height);
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if (width != context->width || height != context->height) {
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/* We can't alloc if we need to clip the output buffer later */
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GST_LOG_OBJECT (ffmpegdec, "we need clipping, fallback alloc");
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return avcodec_default_get_buffer (context, picture);
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}
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/* alloc with aligned dimensions for ffmpeg */
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ret = alloc_output_buffer (ffmpegdec, frame);
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if (G_UNLIKELY (ret != GST_FLOW_OK)) {
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/* alloc default buffer when we can't get one from downstream */
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GST_LOG_OBJECT (ffmpegdec, "alloc failed, fallback alloc");
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return avcodec_default_get_buffer (context, picture);
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}
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ret =
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gst_video_decoder_alloc_output_frame (GST_VIDEO_DECODER (ffmpegdec),
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frame);
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if (ret != GST_FLOW_OK)
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goto alloc_failed;
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/* Fill avpicture */
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info = &ffmpegdec->output_state->info;
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if (!gst_video_frame_map (&dframe->vframe, info, dframe->frame->output_buffer,
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GST_MAP_READ | GST_MAP_WRITE)) {
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GST_LOG_OBJECT (ffmpegdec, "failed to map frame, fallback alloc");
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gst_buffer_unref (frame->output_buffer);
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frame->output_buffer = NULL;
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return avcodec_default_get_buffer (context, picture);
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}
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GST_MAP_READ | GST_MAP_WRITE))
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goto invalid_frame;
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dframe->mapped = TRUE;
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for (c = 0; c < AV_NUM_DATA_POINTERS; c++) {
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@ -740,11 +594,41 @@ gst_ffmpegviddec_get_buffer (AVCodecContext * context, AVFrame * picture)
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return 0;
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/* fallbacks */
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negotiate_failed:
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{
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GST_DEBUG_OBJECT (ffmpegdec, "negotiate failed");
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goto fallback;
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}
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no_dr:
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{
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GST_LOG_OBJECT (ffmpegdec, "direct rendering disabled, fallback alloc");
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goto fallback;
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}
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alloc_failed:
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{
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/* alloc default buffer when we can't get one from downstream */
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GST_LOG_OBJECT (ffmpegdec, "alloc failed, fallback alloc");
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goto fallback;
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}
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invalid_frame:
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{
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/* alloc default buffer when we can't get one from downstream */
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GST_LOG_OBJECT (ffmpegdec, "failed to map frame, fallback alloc");
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gst_buffer_unref (frame->output_buffer);
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frame->output_buffer = NULL;
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goto fallback;
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}
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fallback:
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{
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return avcodec_default_get_buffer (context, picture);
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}
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no_frame:
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GST_WARNING_OBJECT (ffmpegdec, "Couldn't get codec frame !");
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return -1;
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}
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/* called when ffmpeg is done with our buffer */
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static void
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gst_ffmpegviddec_release_buffer (AVCodecContext * context, AVFrame * picture)
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{
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@ -952,7 +836,9 @@ get_output_buffer (GstFFMpegVidDec * ffmpegdec, GstVideoCodecFrame * frame)
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GST_LOG_OBJECT (ffmpegdec, "get output buffer");
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ret = alloc_output_buffer (ffmpegdec, frame);
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ret =
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gst_video_decoder_alloc_output_frame (GST_VIDEO_DECODER (ffmpegdec),
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frame);
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if (G_UNLIKELY (ret != GST_FLOW_OK))
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goto alloc_failed;
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@ -1185,12 +1071,10 @@ gst_ffmpegviddec_video_frame (GstFFMpegVidDec * ffmpegdec,
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/* we have a keyframe, we can stop waiting for one */
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ffmpegdec->waiting_for_key = FALSE;
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}
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#if 0
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/* FIXME : How should we properly handle this with base classes */
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frame->n_fields = ffmpegdec->picture->repeat_pict;
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#endif
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/* mark as keyframe or delta unit */
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if (ffmpegdec->picture->repeat_pict)
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GST_BUFFER_FLAG_SET (out_frame->output_buffer, GST_VIDEO_BUFFER_FLAG_RFF);
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if (ffmpegdec->picture->top_field_first)
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GST_BUFFER_FLAG_SET (out_frame->output_buffer, GST_VIDEO_BUFFER_FLAG_TFF);
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@ -1321,6 +1205,7 @@ gst_ffmpegviddec_handle_frame (GstVideoDecoder * decoder,
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gint size, len, have_data, bsize;
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GstMapInfo minfo;
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GstFlowReturn ret = GST_FLOW_OK;
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gboolean do_padding;
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/* do early keyframe check pretty bad to rely on the keyframe flag in the
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* source for this as it might not even be parsed (UDP/file/..). */
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@ -1339,16 +1224,16 @@ gst_ffmpegviddec_handle_frame (GstVideoDecoder * decoder,
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gst_buffer_get_size (frame->input_buffer),
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GST_TIME_ARGS (frame->pts), GST_TIME_ARGS (frame->duration));
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frame->input_buffer = gst_buffer_make_writable (frame->input_buffer);
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if (!gst_buffer_map (frame->input_buffer, &minfo,
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GST_MAP_READ | GST_MAP_WRITE)) {
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g_assert_not_reached ();
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if (!gst_buffer_map (frame->input_buffer, &minfo, GST_MAP_READ)) {
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GST_ERROR_OBJECT (ffmpegdec, "Failed to map buffer");
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return GST_FLOW_ERROR;
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}
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bdata = minfo.data;
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bsize = minfo.size;
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if (ffmpegdec->do_padding) {
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if (!GST_MEMORY_IS_ZERO_PADDED (minfo.memory)
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|| (minfo.maxsize - minfo.size) < FF_INPUT_BUFFER_PADDING_SIZE) {
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/* add padding */
|
||||
if (ffmpegdec->padded_size < bsize + FF_INPUT_BUFFER_PADDING_SIZE) {
|
||||
ffmpegdec->padded_size = bsize + FF_INPUT_BUFFER_PADDING_SIZE;
|
||||
|
|
@ -1356,10 +1241,15 @@ gst_ffmpegviddec_handle_frame (GstVideoDecoder * decoder,
|
|||
GST_LOG_OBJECT (ffmpegdec, "resized padding buffer to %d",
|
||||
ffmpegdec->padded_size);
|
||||
}
|
||||
GST_CAT_TRACE_OBJECT (GST_CAT_PERFORMANCE, ffmpegdec,
|
||||
"Copy input to add padding");
|
||||
memcpy (ffmpegdec->padded, bdata, bsize);
|
||||
memset (ffmpegdec->padded + bsize, 0, FF_INPUT_BUFFER_PADDING_SIZE);
|
||||
|
||||
bdata = ffmpegdec->padded;
|
||||
do_padding = TRUE;
|
||||
} else {
|
||||
do_padding = FALSE;
|
||||
}
|
||||
|
||||
do {
|
||||
|
|
@ -1369,8 +1259,10 @@ gst_ffmpegviddec_handle_frame (GstVideoDecoder * decoder,
|
|||
data = bdata;
|
||||
size = bsize;
|
||||
|
||||
if (ffmpegdec->do_padding) {
|
||||
if (do_padding) {
|
||||
/* add temporary padding */
|
||||
GST_CAT_TRACE_OBJECT (GST_CAT_PERFORMANCE, ffmpegdec,
|
||||
"Add temporary input padding");
|
||||
memcpy (tmp_padding, data + size, FF_INPUT_BUFFER_PADDING_SIZE);
|
||||
memset (data + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
|
||||
}
|
||||
|
|
@ -1379,7 +1271,7 @@ gst_ffmpegviddec_handle_frame (GstVideoDecoder * decoder,
|
|||
len =
|
||||
gst_ffmpegviddec_frame (ffmpegdec, data, size, &have_data, frame, &ret);
|
||||
|
||||
if (ffmpegdec->do_padding) {
|
||||
if (do_padding) {
|
||||
memcpy (data + size, tmp_padding, FF_INPUT_BUFFER_PADDING_SIZE);
|
||||
}
|
||||
|
||||
|
|
@ -1412,6 +1304,8 @@ gst_ffmpegviddec_handle_frame (GstVideoDecoder * decoder,
|
|||
bsize -= len;
|
||||
bdata += len;
|
||||
|
||||
do_padding = TRUE;
|
||||
|
||||
GST_LOG_OBJECT (ffmpegdec, "Before (while bsize>0). bsize:%d , bdata:%p",
|
||||
bsize, bdata);
|
||||
} while (bsize > 0);
|
||||
|
|
@ -1440,7 +1334,6 @@ gst_ffmpegviddec_stop (GstVideoDecoder * decoder)
|
|||
g_free (ffmpegdec->padded);
|
||||
ffmpegdec->padded = NULL;
|
||||
ffmpegdec->padded_size = 0;
|
||||
ffmpegdec->can_allocate_aligned = TRUE;
|
||||
if (ffmpegdec->input_state)
|
||||
gst_video_codec_state_unref (ffmpegdec->input_state);
|
||||
ffmpegdec->input_state = NULL;
|
||||
|
|
@ -1475,6 +1368,131 @@ gst_ffmpegviddec_reset (GstVideoDecoder * decoder, gboolean hard)
|
|||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_ffmpegviddec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
|
||||
{
|
||||
GstFFMpegVidDec *ffmpegdec = (GstFFMpegVidDec *) decoder;
|
||||
GstVideoCodecState *state;
|
||||
GstBufferPool *pool;
|
||||
guint size, min, max;
|
||||
GstStructure *config;
|
||||
gboolean have_videometa, have_alignment;
|
||||
GstAllocationParams params = { 0, 0, 0, 15, };
|
||||
|
||||
if (!GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation (decoder,
|
||||
query))
|
||||
return FALSE;
|
||||
|
||||
state = gst_video_decoder_get_output_state (decoder);
|
||||
|
||||
gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
|
||||
|
||||
config = gst_buffer_pool_get_config (pool);
|
||||
gst_buffer_pool_config_set_params (config, state->caps, size, min, max);
|
||||
/* we are happy with the default allocator but we would like to have 16 bytes
|
||||
* aligned memory */
|
||||
gst_buffer_pool_config_set_allocator (config, NULL, ¶ms);
|
||||
|
||||
have_videometa =
|
||||
gst_query_has_allocation_meta (query, GST_VIDEO_META_API_TYPE);
|
||||
if (have_videometa)
|
||||
gst_buffer_pool_config_add_option (config,
|
||||
GST_BUFFER_POOL_OPTION_VIDEO_META);
|
||||
|
||||
have_alignment =
|
||||
gst_buffer_pool_has_option (pool, GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
|
||||
|
||||
/* we can only enable the alignment if downstream supports the
|
||||
* videometa api */
|
||||
if (have_alignment && have_videometa) {
|
||||
GstVideoAlignment align;
|
||||
gint width, height;
|
||||
gint linesize_align[4];
|
||||
gint i;
|
||||
guint edge;
|
||||
|
||||
width = GST_VIDEO_INFO_WIDTH (&state->info);
|
||||
height = GST_VIDEO_INFO_HEIGHT (&state->info);
|
||||
/* let ffmpeg find the alignment and padding */
|
||||
avcodec_align_dimensions2 (ffmpegdec->context, &width, &height,
|
||||
linesize_align);
|
||||
edge =
|
||||
ffmpegdec->
|
||||
context->flags & CODEC_FLAG_EMU_EDGE ? 0 : avcodec_get_edge_width ();
|
||||
/* increase the size for the padding */
|
||||
width += edge << 1;
|
||||
height += edge << 1;
|
||||
|
||||
align.padding_top = edge;
|
||||
align.padding_left = edge;
|
||||
align.padding_right = width - GST_VIDEO_INFO_WIDTH (&state->info) - edge;
|
||||
align.padding_bottom = height - GST_VIDEO_INFO_HEIGHT (&state->info) - edge;
|
||||
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++)
|
||||
align.stride_align[i] =
|
||||
(linesize_align[i] > 0 ? linesize_align[i] - 1 : 0);
|
||||
|
||||
GST_DEBUG_OBJECT (ffmpegdec, "aligned dimension %dx%d -> %dx%d "
|
||||
"padding t:%u l:%u r:%u b:%u, stride_align %d:%d:%d:%d",
|
||||
GST_VIDEO_INFO_WIDTH (&state->info),
|
||||
GST_VIDEO_INFO_HEIGHT (&state->info), width, height, align.padding_top,
|
||||
align.padding_left, align.padding_right, align.padding_bottom,
|
||||
align.stride_align[0], align.stride_align[1], align.stride_align[2],
|
||||
align.stride_align[3]);
|
||||
|
||||
gst_buffer_pool_config_add_option (config,
|
||||
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
|
||||
gst_buffer_pool_config_set_video_alignment (config, &align);
|
||||
|
||||
if (ffmpegdec->direct_rendering) {
|
||||
GstFFMpegVidDecClass *oclass;
|
||||
|
||||
GST_DEBUG_OBJECT (ffmpegdec, "trying to enable direct rendering");
|
||||
|
||||
oclass = (GstFFMpegVidDecClass *) (G_OBJECT_GET_CLASS (ffmpegdec));
|
||||
|
||||
if (oclass->in_plugin->capabilities & CODEC_CAP_DR1) {
|
||||
GST_DEBUG_OBJECT (ffmpegdec, "enabled direct rendering");
|
||||
ffmpegdec->current_dr = TRUE;
|
||||
} else {
|
||||
GST_DEBUG_OBJECT (ffmpegdec, "direct rendering not supported");
|
||||
}
|
||||
}
|
||||
} else {
|
||||
GST_DEBUG_OBJECT (ffmpegdec,
|
||||
"alignment or videometa not supported, disable direct rendering");
|
||||
|
||||
/* disable direct rendering. This will make us use the fallback ffmpeg
|
||||
* picture allocation code with padding etc. We will then do the final
|
||||
* copy (with cropping) into a buffer from our pool */
|
||||
ffmpegdec->current_dr = FALSE;
|
||||
}
|
||||
|
||||
/* and store */
|
||||
gst_buffer_pool_set_config (pool, config);
|
||||
|
||||
gst_object_unref (pool);
|
||||
gst_video_codec_state_unref (state);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_ffmpegviddec_propose_allocation (GstVideoDecoder * decoder,
|
||||
GstQuery * query)
|
||||
{
|
||||
GstAllocationParams params;
|
||||
|
||||
gst_allocation_params_init (¶ms);
|
||||
params.flags = GST_MEMORY_FLAG_ZERO_PADDED;
|
||||
params.padding = FF_INPUT_BUFFER_PADDING_SIZE;
|
||||
/* we would like to have some padding so that we don't have to
|
||||
* memcpy. We don't suggest an allocator. */
|
||||
gst_query_add_allocation_param (query, NULL, ¶ms);
|
||||
|
||||
return GST_VIDEO_DECODER_CLASS (parent_class)->propose_allocation (decoder,
|
||||
query);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_ffmpegviddec_set_property (GObject * object,
|
||||
guint prop_id, const GValue * value, GParamSpec * pspec)
|
||||
|
|
@ -1492,16 +1510,10 @@ gst_ffmpegviddec_set_property (GObject * object,
|
|||
case PROP_DIRECT_RENDERING:
|
||||
ffmpegdec->direct_rendering = g_value_get_boolean (value);
|
||||
break;
|
||||
case PROP_DO_PADDING:
|
||||
ffmpegdec->do_padding = g_value_get_boolean (value);
|
||||
break;
|
||||
case PROP_DEBUG_MV:
|
||||
ffmpegdec->debug_mv = ffmpegdec->context->debug_mv =
|
||||
g_value_get_boolean (value);
|
||||
break;
|
||||
case PROP_CROP:
|
||||
ffmpegdec->crop = g_value_get_boolean (value);
|
||||
break;
|
||||
case PROP_MAX_THREADS:
|
||||
ffmpegdec->max_threads = g_value_get_int (value);
|
||||
break;
|
||||
|
|
@ -1527,15 +1539,9 @@ gst_ffmpegviddec_get_property (GObject * object,
|
|||
case PROP_DIRECT_RENDERING:
|
||||
g_value_set_boolean (value, ffmpegdec->direct_rendering);
|
||||
break;
|
||||
case PROP_DO_PADDING:
|
||||
g_value_set_boolean (value, ffmpegdec->do_padding);
|
||||
break;
|
||||
case PROP_DEBUG_MV:
|
||||
g_value_set_boolean (value, ffmpegdec->context->debug_mv);
|
||||
break;
|
||||
case PROP_CROP:
|
||||
g_value_set_boolean (value, ffmpegdec->crop);
|
||||
break;
|
||||
case PROP_MAX_THREADS:
|
||||
g_value_set_int (value, ffmpegdec->max_threads);
|
||||
break;
|
||||
|
|
|
|||
Loading…
Reference in a new issue