mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-12 19:36:38 +00:00
383723e095
The FF_API_AYUV_CODECID api was dropped in upstream: https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/9ee59b63f5ea Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6632>
1105 lines
33 KiB
C
1105 lines
33 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <assert.h>
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#include <string.h>
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/* for stats file handling */
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#include <stdio.h>
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#include <glib/gstdio.h>
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#include <errno.h>
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#include <libavcodec/avcodec.h>
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#include <libavutil/stereo3d.h>
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#include <libavutil/opt.h>
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#include "gstav.h"
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#include "gstavcodecmap.h"
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#include "gstavutils.h"
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#include "gstavvidenc.h"
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#include "gstavcfg.h"
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enum
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{
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PROP_0,
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PROP_QUANTIZER,
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PROP_PASS,
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PROP_FILENAME,
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PROP_CFG_BASE,
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};
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static void gst_ffmpegvidenc_class_init (GstFFMpegVidEncClass * klass);
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static void gst_ffmpegvidenc_base_init (GstFFMpegVidEncClass * klass);
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static void gst_ffmpegvidenc_init (GstFFMpegVidEnc * ffmpegenc);
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static void gst_ffmpegvidenc_finalize (GObject * object);
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static gboolean gst_ffmpegvidenc_start (GstVideoEncoder * encoder);
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static gboolean gst_ffmpegvidenc_stop (GstVideoEncoder * encoder);
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static GstFlowReturn gst_ffmpegvidenc_finish (GstVideoEncoder * encoder);
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static gboolean gst_ffmpegvidenc_set_format (GstVideoEncoder * encoder,
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GstVideoCodecState * state);
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static gboolean gst_ffmpegvidenc_propose_allocation (GstVideoEncoder * encoder,
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GstQuery * query);
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static gboolean gst_ffmpegvidenc_flush (GstVideoEncoder * encoder);
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static GstFlowReturn gst_ffmpegvidenc_handle_frame (GstVideoEncoder * encoder,
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GstVideoCodecFrame * frame);
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static void gst_ffmpegvidenc_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_ffmpegvidenc_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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#define GST_FFENC_PARAMS_QDATA g_quark_from_static_string("avenc-params")
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static GstElementClass *parent_class = NULL;
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#define GST_TYPE_FFMPEG_PASS (gst_ffmpeg_pass_get_type ())
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static GType
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gst_ffmpeg_pass_get_type (void)
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{
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static GType ffmpeg_pass_type = 0;
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if (!ffmpeg_pass_type) {
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static const GEnumValue ffmpeg_passes[] = {
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{0, "Constant Bitrate Encoding", "cbr"},
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{AV_CODEC_FLAG_QSCALE, "Constant Quantizer", "quant"},
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{AV_CODEC_FLAG_PASS1, "VBR Encoding - Pass 1", "pass1"},
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{AV_CODEC_FLAG_PASS2, "VBR Encoding - Pass 2", "pass2"},
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{0, NULL, NULL},
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};
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ffmpeg_pass_type =
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g_enum_register_static ("GstLibAVEncPass", ffmpeg_passes);
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}
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return ffmpeg_pass_type;
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}
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static void
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gst_ffmpegvidenc_base_init (GstFFMpegVidEncClass * klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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AVCodec *in_plugin;
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GstPadTemplate *srctempl = NULL, *sinktempl = NULL;
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GstCaps *srccaps = NULL, *sinkcaps = NULL;
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gchar *longname, *description;
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const gchar *classification;
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in_plugin =
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(AVCodec *) g_type_get_qdata (G_OBJECT_CLASS_TYPE (klass),
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GST_FFENC_PARAMS_QDATA);
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g_assert (in_plugin != NULL);
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/* construct the element details struct */
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longname = g_strdup_printf ("libav %s encoder", in_plugin->long_name);
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description = g_strdup_printf ("libav %s encoder", in_plugin->name);
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classification =
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gst_ffmpeg_codecid_is_image (in_plugin->id) ? "Codec/Encoder/Image" :
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"Codec/Encoder/Video";
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gst_element_class_set_metadata (element_class, longname,
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classification, description,
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"Wim Taymans <wim.taymans@gmail.com>, "
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"Ronald Bultje <rbultje@ronald.bitfreak.net>");
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g_free (longname);
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g_free (description);
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if (!(srccaps = gst_ffmpeg_codecid_to_caps (in_plugin->id, NULL, TRUE))) {
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GST_DEBUG ("Couldn't get source caps for encoder '%s'", in_plugin->name);
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srccaps = gst_caps_new_empty_simple ("unknown/unknown");
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}
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sinkcaps = gst_ffmpeg_codectype_to_video_caps (NULL,
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in_plugin->id, TRUE, in_plugin);
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if (!sinkcaps) {
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GST_DEBUG ("Couldn't get sink caps for encoder '%s'", in_plugin->name);
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sinkcaps = gst_caps_new_empty_simple ("unknown/unknown");
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}
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/* pad templates */
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sinktempl = gst_pad_template_new ("sink", GST_PAD_SINK,
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GST_PAD_ALWAYS, sinkcaps);
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srctempl = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, srccaps);
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gst_element_class_add_pad_template (element_class, srctempl);
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gst_element_class_add_pad_template (element_class, sinktempl);
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gst_caps_unref (sinkcaps);
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gst_caps_unref (srccaps);
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klass->in_plugin = in_plugin;
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klass->srctempl = srctempl;
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klass->sinktempl = sinktempl;
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return;
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}
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static void
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gst_ffmpegvidenc_class_init (GstFFMpegVidEncClass * klass)
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{
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GObjectClass *gobject_class;
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GstVideoEncoderClass *venc_class;
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gobject_class = (GObjectClass *) klass;
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venc_class = (GstVideoEncoderClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->set_property = gst_ffmpegvidenc_set_property;
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gobject_class->get_property = gst_ffmpegvidenc_get_property;
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g_object_class_install_property (gobject_class, PROP_QUANTIZER,
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g_param_spec_float ("quantizer", "Constant Quantizer",
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"Constant Quantizer", 0, 30, 0.01f,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT));
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g_object_class_install_property (gobject_class, PROP_PASS,
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g_param_spec_enum ("pass", "Encoding pass/type",
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"Encoding pass/type", GST_TYPE_FFMPEG_PASS, 0,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT));
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g_object_class_install_property (gobject_class, PROP_FILENAME,
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g_param_spec_string ("multipass-cache-file", "Multipass Cache File",
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"Filename for multipass cache file", "stats.log",
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT));
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/* register additional properties, possibly dependent on the exact CODEC */
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gst_ffmpeg_cfg_install_properties (gobject_class, klass->in_plugin,
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PROP_CFG_BASE, AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM);
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venc_class->start = gst_ffmpegvidenc_start;
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venc_class->stop = gst_ffmpegvidenc_stop;
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venc_class->finish = gst_ffmpegvidenc_finish;
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venc_class->handle_frame = gst_ffmpegvidenc_handle_frame;
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venc_class->set_format = gst_ffmpegvidenc_set_format;
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venc_class->propose_allocation = gst_ffmpegvidenc_propose_allocation;
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venc_class->flush = gst_ffmpegvidenc_flush;
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gobject_class->finalize = gst_ffmpegvidenc_finalize;
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gst_type_mark_as_plugin_api (GST_TYPE_FFMPEG_PASS, 0);
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}
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static void
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gst_ffmpegvidenc_init (GstFFMpegVidEnc * ffmpegenc)
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{
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GstFFMpegVidEncClass *klass =
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(GstFFMpegVidEncClass *) G_OBJECT_GET_CLASS (ffmpegenc);
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GST_PAD_SET_ACCEPT_TEMPLATE (GST_VIDEO_ENCODER_SINK_PAD (ffmpegenc));
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ffmpegenc->context = avcodec_alloc_context3 (klass->in_plugin);
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ffmpegenc->refcontext = avcodec_alloc_context3 (klass->in_plugin);
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ffmpegenc->picture = av_frame_alloc ();
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ffmpegenc->opened = FALSE;
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ffmpegenc->file = NULL;
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}
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static void
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gst_ffmpegvidenc_finalize (GObject * object)
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{
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GstFFMpegVidEnc *ffmpegenc = (GstFFMpegVidEnc *) object;
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/* clean up remaining allocated data */
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av_frame_free (&ffmpegenc->picture);
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gst_ffmpeg_avcodec_close (ffmpegenc->context);
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gst_ffmpeg_avcodec_close (ffmpegenc->refcontext);
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av_freep (&ffmpegenc->context);
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av_freep (&ffmpegenc->refcontext);
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g_free (ffmpegenc->filename);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static gboolean
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gst_ffmpegvidenc_set_format (GstVideoEncoder * encoder,
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GstVideoCodecState * state)
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{
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GstCaps *other_caps;
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GstCaps *allowed_caps;
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GstCaps *icaps;
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GstVideoCodecState *output_format;
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enum AVPixelFormat pix_fmt;
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GstFFMpegVidEnc *ffmpegenc = (GstFFMpegVidEnc *) encoder;
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GstFFMpegVidEncClass *oclass =
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(GstFFMpegVidEncClass *) G_OBJECT_GET_CLASS (ffmpegenc);
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ffmpegenc->need_reopen = FALSE;
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/* close old session */
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if (ffmpegenc->opened) {
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avcodec_free_context (&ffmpegenc->context);
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ffmpegenc->opened = FALSE;
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ffmpegenc->context = avcodec_alloc_context3 (oclass->in_plugin);
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if (ffmpegenc->context == NULL) {
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GST_DEBUG_OBJECT (ffmpegenc, "Failed to set context defaults");
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return FALSE;
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}
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}
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/* additional avcodec settings */
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gst_ffmpeg_cfg_fill_context (G_OBJECT (ffmpegenc), ffmpegenc->context);
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if (GST_VIDEO_INFO_IS_INTERLACED (&state->info))
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ffmpegenc->context->flags |=
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AV_CODEC_FLAG_INTERLACED_DCT | AV_CODEC_FLAG_INTERLACED_ME;
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/* and last but not least the pass; CBR, 2-pass, etc */
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ffmpegenc->context->flags |= ffmpegenc->pass;
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switch (ffmpegenc->pass) {
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/* some additional action depends on type of pass */
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case AV_CODEC_FLAG_QSCALE:
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ffmpegenc->context->global_quality
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= ffmpegenc->picture->quality = FF_QP2LAMBDA * ffmpegenc->quantizer;
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break;
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case AV_CODEC_FLAG_PASS1: /* need to prepare a stats file */
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/* we don't close when changing caps, fingers crossed */
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if (!ffmpegenc->file)
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ffmpegenc->file = g_fopen (ffmpegenc->filename, "w");
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if (!ffmpegenc->file)
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goto open_file_err;
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break;
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case AV_CODEC_FLAG_PASS2:
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{ /* need to read the whole stats file ! */
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gsize size;
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if (!g_file_get_contents (ffmpegenc->filename,
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&ffmpegenc->context->stats_in, &size, NULL))
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goto file_read_err;
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break;
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}
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default:
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break;
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}
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GST_DEBUG_OBJECT (ffmpegenc, "Extracting common video information");
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/* fetch pix_fmt, fps, par, width, height... */
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gst_ffmpeg_videoinfo_to_context (&state->info, ffmpegenc->context);
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/* sanitize time base */
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if (ffmpegenc->context->time_base.num <= 0
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|| ffmpegenc->context->time_base.den <= 0)
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goto insane_timebase;
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if ((oclass->in_plugin->id == AV_CODEC_ID_MPEG4)
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&& (ffmpegenc->context->time_base.den > 65535)) {
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/* MPEG4 Standards do not support time_base denominator greater than
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* (1<<16) - 1 . We therefore scale them down.
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* Agreed, it will not be the exact framerate... but the difference
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* shouldn't be that noticeable */
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ffmpegenc->context->time_base.num =
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(gint) gst_util_uint64_scale_int (ffmpegenc->context->time_base.num,
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65535, ffmpegenc->context->time_base.den);
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ffmpegenc->context->time_base.den = 65535;
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GST_LOG_OBJECT (ffmpegenc, "MPEG4 : scaled down framerate to %d / %d",
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ffmpegenc->context->time_base.den, ffmpegenc->context->time_base.num);
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}
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pix_fmt = ffmpegenc->context->pix_fmt;
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/* some codecs support more than one format, first auto-choose one */
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GST_DEBUG_OBJECT (ffmpegenc, "picking an output format ...");
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allowed_caps = gst_pad_get_allowed_caps (GST_VIDEO_ENCODER_SRC_PAD (encoder));
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if (!allowed_caps) {
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GST_DEBUG_OBJECT (ffmpegenc, "... but no peer, using template caps");
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/* we need to copy because get_allowed_caps returns a ref, and
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* get_pad_template_caps doesn't */
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allowed_caps =
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gst_pad_get_pad_template_caps (GST_VIDEO_ENCODER_SRC_PAD (encoder));
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}
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GST_DEBUG_OBJECT (ffmpegenc, "chose caps %" GST_PTR_FORMAT, allowed_caps);
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gst_ffmpeg_caps_with_codecid (oclass->in_plugin->id,
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oclass->in_plugin->type, allowed_caps, ffmpegenc->context);
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/* open codec */
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if (gst_ffmpeg_avcodec_open (ffmpegenc->context, oclass->in_plugin) < 0) {
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gst_caps_unref (allowed_caps);
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goto open_codec_fail;
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}
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/* is the colourspace correct? */
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if (pix_fmt != ffmpegenc->context->pix_fmt) {
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gst_caps_unref (allowed_caps);
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goto pix_fmt_err;
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}
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/* we may have failed mapping caps to a pixfmt,
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* and quite some codecs do not make up their own mind about that
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* in any case, _NONE can never work out later on */
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if (pix_fmt == AV_PIX_FMT_NONE) {
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gst_caps_unref (allowed_caps);
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goto bad_input_fmt;
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}
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/* second pass stats buffer no longer needed */
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g_free (ffmpegenc->context->stats_in);
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/* try to set this caps on the other side */
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other_caps = gst_ffmpeg_codecid_to_caps (oclass->in_plugin->id,
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ffmpegenc->context, TRUE);
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if (!other_caps) {
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gst_caps_unref (allowed_caps);
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goto unsupported_codec;
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}
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|
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icaps = gst_caps_intersect (allowed_caps, other_caps);
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gst_caps_unref (allowed_caps);
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gst_caps_unref (other_caps);
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if (gst_caps_is_empty (icaps)) {
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gst_caps_unref (icaps);
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goto unsupported_codec;
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}
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icaps = gst_caps_fixate (icaps);
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|
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GST_DEBUG_OBJECT (ffmpegenc, "codec flags 0x%08x", ffmpegenc->context->flags);
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|
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/* Store input state and set output state */
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if (ffmpegenc->input_state)
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gst_video_codec_state_unref (ffmpegenc->input_state);
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ffmpegenc->input_state = gst_video_codec_state_ref (state);
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|
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output_format = gst_video_encoder_set_output_state (encoder, icaps, state);
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gst_video_codec_state_unref (output_format);
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|
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/* Store some tags */
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{
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GstTagList *tags = gst_tag_list_new_empty ();
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const gchar *codec;
|
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|
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gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_NOMINAL_BITRATE,
|
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(guint) ffmpegenc->context->bit_rate, NULL);
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|
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if ((codec =
|
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gst_ffmpeg_get_codecid_longname (ffmpegenc->context->codec_id)))
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gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_VIDEO_CODEC, codec,
|
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NULL);
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|
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gst_video_encoder_merge_tags (encoder, tags, GST_TAG_MERGE_REPLACE);
|
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gst_tag_list_unref (tags);
|
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}
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|
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/* success! */
|
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ffmpegenc->pts_offset = GST_CLOCK_TIME_NONE;
|
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ffmpegenc->opened = TRUE;
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|
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return TRUE;
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|
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/* ERRORS */
|
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open_file_err:
|
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{
|
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GST_ELEMENT_ERROR (ffmpegenc, RESOURCE, OPEN_WRITE,
|
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(("Could not open file \"%s\" for writing."), ffmpegenc->filename),
|
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GST_ERROR_SYSTEM);
|
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return FALSE;
|
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}
|
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file_read_err:
|
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{
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GST_ELEMENT_ERROR (ffmpegenc, RESOURCE, READ,
|
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(("Could not get contents of file \"%s\"."), ffmpegenc->filename),
|
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GST_ERROR_SYSTEM);
|
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return FALSE;
|
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}
|
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|
|
insane_timebase:
|
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{
|
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GST_ERROR_OBJECT (ffmpegenc, "Rejecting time base %d/%d",
|
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ffmpegenc->context->time_base.den, ffmpegenc->context->time_base.num);
|
|
goto cleanup_stats_in;
|
|
}
|
|
unsupported_codec:
|
|
{
|
|
GST_DEBUG ("Unsupported codec - no caps found");
|
|
goto cleanup_stats_in;
|
|
}
|
|
open_codec_fail:
|
|
{
|
|
GST_DEBUG_OBJECT (ffmpegenc, "avenc_%s: Failed to open libav codec",
|
|
oclass->in_plugin->name);
|
|
goto close_codec;
|
|
}
|
|
|
|
pix_fmt_err:
|
|
{
|
|
GST_DEBUG_OBJECT (ffmpegenc,
|
|
"avenc_%s: AV wants different colourspace (%d given, %d wanted)",
|
|
oclass->in_plugin->name, pix_fmt, ffmpegenc->context->pix_fmt);
|
|
goto close_codec;
|
|
}
|
|
|
|
bad_input_fmt:
|
|
{
|
|
GST_DEBUG_OBJECT (ffmpegenc, "avenc_%s: Failed to determine input format",
|
|
oclass->in_plugin->name);
|
|
goto close_codec;
|
|
}
|
|
close_codec:
|
|
{
|
|
avcodec_free_context (&ffmpegenc->context);
|
|
ffmpegenc->context = avcodec_alloc_context3 (oclass->in_plugin);
|
|
if (ffmpegenc->context == NULL)
|
|
GST_DEBUG_OBJECT (ffmpegenc, "Failed to set context defaults");
|
|
goto cleanup_stats_in;
|
|
}
|
|
cleanup_stats_in:
|
|
{
|
|
g_free (ffmpegenc->context->stats_in);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
|
|
static gboolean
|
|
gst_ffmpegvidenc_propose_allocation (GstVideoEncoder * encoder,
|
|
GstQuery * query)
|
|
{
|
|
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
|
|
|
|
return GST_VIDEO_ENCODER_CLASS (parent_class)->propose_allocation (encoder,
|
|
query);
|
|
}
|
|
|
|
static void
|
|
gst_ffmpegvidenc_free_avpacket (gpointer pkt)
|
|
{
|
|
av_packet_unref ((AVPacket *) pkt);
|
|
g_free (pkt);
|
|
}
|
|
|
|
typedef struct
|
|
{
|
|
GstBuffer *buffer;
|
|
GstVideoFrame vframe;
|
|
} BufferInfo;
|
|
|
|
static void
|
|
buffer_info_free (void *opaque, guint8 * data)
|
|
{
|
|
BufferInfo *info = opaque;
|
|
|
|
gst_video_frame_unmap (&info->vframe);
|
|
gst_buffer_unref (info->buffer);
|
|
g_free (info);
|
|
}
|
|
|
|
static enum AVStereo3DType
|
|
stereo_gst_to_av (GstVideoMultiviewMode mview_mode)
|
|
{
|
|
switch (mview_mode) {
|
|
case GST_VIDEO_MULTIVIEW_MODE_MONO:
|
|
/* Video is not stereoscopic (and metadata has to be there). */
|
|
return AV_STEREO3D_2D;
|
|
case GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE:
|
|
return AV_STEREO3D_SIDEBYSIDE;
|
|
case GST_VIDEO_MULTIVIEW_MODE_TOP_BOTTOM:
|
|
return AV_STEREO3D_TOPBOTTOM;
|
|
case GST_VIDEO_MULTIVIEW_MODE_FRAME_BY_FRAME:
|
|
return AV_STEREO3D_FRAMESEQUENCE;
|
|
case GST_VIDEO_MULTIVIEW_MODE_CHECKERBOARD:
|
|
return AV_STEREO3D_CHECKERBOARD;
|
|
case GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE_QUINCUNX:
|
|
return AV_STEREO3D_SIDEBYSIDE_QUINCUNX;
|
|
case GST_VIDEO_MULTIVIEW_MODE_ROW_INTERLEAVED:
|
|
return AV_STEREO3D_LINES;
|
|
case GST_VIDEO_MULTIVIEW_MODE_COLUMN_INTERLEAVED:
|
|
return AV_STEREO3D_COLUMNS;
|
|
default:
|
|
break;
|
|
}
|
|
GST_WARNING ("Unsupported multiview mode - no mapping in libav");
|
|
return AV_STEREO3D_2D;
|
|
}
|
|
|
|
static void
|
|
gst_ffmpegvidenc_add_cc (GstBuffer * buffer, AVFrame * picture)
|
|
{
|
|
GstVideoCaptionMeta *cc_meta;
|
|
gpointer iter = NULL;
|
|
|
|
while ((cc_meta =
|
|
(GstVideoCaptionMeta *) gst_buffer_iterate_meta_filtered (buffer,
|
|
&iter, GST_VIDEO_CAPTION_META_API_TYPE))) {
|
|
AVFrameSideData *sd;
|
|
|
|
if (cc_meta->caption_type != GST_VIDEO_CAPTION_TYPE_CEA708_RAW)
|
|
continue;
|
|
|
|
sd = av_frame_new_side_data (picture, AV_FRAME_DATA_A53_CC, cc_meta->size);
|
|
memcpy (sd->data, cc_meta->data, cc_meta->size);
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_ffmpegvidenc_send_frame (GstFFMpegVidEnc * ffmpegenc,
|
|
GstVideoCodecFrame * frame)
|
|
{
|
|
GstVideoInfo *info = &ffmpegenc->input_state->info;
|
|
BufferInfo *buffer_info;
|
|
guint c;
|
|
gint res;
|
|
GstFlowReturn ret = GST_FLOW_ERROR;
|
|
AVFrame *picture = NULL;
|
|
|
|
if (!frame)
|
|
goto send_frame;
|
|
|
|
picture = ffmpegenc->picture;
|
|
|
|
gst_ffmpegvidenc_add_cc (frame->input_buffer, picture);
|
|
|
|
if (GST_VIDEO_INFO_IS_INTERLACED (&ffmpegenc->input_state->info)) {
|
|
const gboolean top_field_first =
|
|
GST_BUFFER_FLAG_IS_SET (frame->input_buffer, GST_VIDEO_BUFFER_FLAG_TFF)
|
|
|| GST_VIDEO_INFO_FIELD_ORDER (&ffmpegenc->input_state->info) ==
|
|
GST_VIDEO_FIELD_ORDER_TOP_FIELD_FIRST;
|
|
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(60, 31, 100)
|
|
picture->flags |= AV_FRAME_FLAG_INTERLACED;
|
|
if (top_field_first) {
|
|
picture->flags |= AV_FRAME_FLAG_TOP_FIELD_FIRST;
|
|
}
|
|
#else
|
|
picture->interlaced_frame = TRUE;
|
|
picture->top_field_first = top_field_first;
|
|
#endif
|
|
picture->repeat_pict =
|
|
GST_BUFFER_FLAG_IS_SET (frame->input_buffer, GST_VIDEO_BUFFER_FLAG_RFF);
|
|
}
|
|
|
|
if (GST_VIDEO_INFO_MULTIVIEW_MODE (info) != GST_VIDEO_MULTIVIEW_MODE_NONE) {
|
|
AVStereo3D *stereo = av_stereo3d_create_side_data (picture);
|
|
stereo->type = stereo_gst_to_av (GST_VIDEO_INFO_MULTIVIEW_MODE (info));
|
|
|
|
if (GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) &
|
|
GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_VIEW_FIRST) {
|
|
stereo->flags = AV_STEREO3D_FLAG_INVERT;
|
|
}
|
|
}
|
|
|
|
if (GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME (frame))
|
|
picture->pict_type = AV_PICTURE_TYPE_I;
|
|
|
|
buffer_info = g_new0 (BufferInfo, 1);
|
|
buffer_info->buffer = gst_buffer_ref (frame->input_buffer);
|
|
|
|
if (!gst_video_frame_map (&buffer_info->vframe, info, frame->input_buffer,
|
|
GST_MAP_READ)) {
|
|
GST_ERROR_OBJECT (ffmpegenc, "Failed to map input buffer");
|
|
gst_buffer_unref (buffer_info->buffer);
|
|
g_free (buffer_info);
|
|
gst_video_codec_frame_unref (frame);
|
|
goto done;
|
|
}
|
|
|
|
/* Fill avpicture */
|
|
picture->buf[0] =
|
|
av_buffer_create (NULL, 0, buffer_info_free, buffer_info, 0);
|
|
for (c = 0; c < AV_NUM_DATA_POINTERS; c++) {
|
|
if (c < GST_VIDEO_INFO_N_COMPONENTS (info)) {
|
|
picture->data[c] = GST_VIDEO_FRAME_PLANE_DATA (&buffer_info->vframe, c);
|
|
picture->linesize[c] =
|
|
GST_VIDEO_FRAME_COMP_STRIDE (&buffer_info->vframe, c);
|
|
} else {
|
|
picture->data[c] = NULL;
|
|
picture->linesize[c] = 0;
|
|
}
|
|
}
|
|
|
|
picture->format = ffmpegenc->context->pix_fmt;
|
|
picture->width = GST_VIDEO_FRAME_WIDTH (&buffer_info->vframe);
|
|
picture->height = GST_VIDEO_FRAME_HEIGHT (&buffer_info->vframe);
|
|
|
|
if (ffmpegenc->pts_offset == GST_CLOCK_TIME_NONE) {
|
|
ffmpegenc->pts_offset = frame->pts;
|
|
}
|
|
|
|
if (frame->pts == GST_CLOCK_TIME_NONE) {
|
|
picture->pts = AV_NOPTS_VALUE;
|
|
} else if (frame->pts < ffmpegenc->pts_offset) {
|
|
GST_ERROR_OBJECT (ffmpegenc, "PTS is going backwards");
|
|
picture->pts = AV_NOPTS_VALUE;
|
|
} else {
|
|
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(60, 31, 100)
|
|
const gint ticks_per_frame = (ffmpegenc->context->codec_descriptor
|
|
&& ffmpegenc->context->
|
|
codec_descriptor->props & AV_CODEC_PROP_FIELDS) ? 2 : 1;
|
|
#else
|
|
const gint ticks_per_frame = ffmpegenc->context->ticks_per_frame;
|
|
#endif
|
|
picture->pts =
|
|
gst_ffmpeg_time_gst_to_ff ((frame->pts - ffmpegenc->pts_offset) /
|
|
ticks_per_frame, ffmpegenc->context->time_base);
|
|
}
|
|
|
|
send_frame:
|
|
if (!picture) {
|
|
GstFFMpegVidEncClass *oclass =
|
|
(GstFFMpegVidEncClass *) (G_OBJECT_GET_CLASS (ffmpegenc));
|
|
|
|
/* If AV_CODEC_CAP_ENCODER_FLUSH wasn't set, we need to re-open
|
|
* encoder */
|
|
if (!(oclass->in_plugin->capabilities & AV_CODEC_CAP_ENCODER_FLUSH)) {
|
|
GST_DEBUG_OBJECT (ffmpegenc, "Encoder needs reopen later");
|
|
|
|
/* we will reopen later handle_frame() */
|
|
ffmpegenc->need_reopen = TRUE;
|
|
}
|
|
}
|
|
|
|
res = avcodec_send_frame (ffmpegenc->context, picture);
|
|
|
|
if (picture)
|
|
av_frame_unref (picture);
|
|
|
|
if (res == 0)
|
|
ret = GST_FLOW_OK;
|
|
else if (res == AVERROR_EOF)
|
|
ret = GST_FLOW_EOS;
|
|
|
|
done:
|
|
return ret;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_ffmpegvidenc_receive_packet (GstFFMpegVidEnc * ffmpegenc,
|
|
gboolean * got_packet, gboolean send)
|
|
{
|
|
AVPacket *pkt;
|
|
GstBuffer *outbuf;
|
|
GstVideoCodecFrame *frame;
|
|
gint res;
|
|
GstFlowReturn ret = GST_FLOW_OK;
|
|
|
|
*got_packet = FALSE;
|
|
|
|
pkt = g_new0 (AVPacket, 1);
|
|
|
|
res = avcodec_receive_packet (ffmpegenc->context, pkt);
|
|
|
|
if (res == AVERROR (EAGAIN)) {
|
|
g_free (pkt);
|
|
goto done;
|
|
} else if (res == AVERROR_EOF) {
|
|
g_free (pkt);
|
|
ret = GST_FLOW_EOS;
|
|
goto done;
|
|
} else if (res < 0) {
|
|
ret = GST_FLOW_ERROR;
|
|
goto done;
|
|
}
|
|
|
|
*got_packet = TRUE;
|
|
|
|
/* save stats info if there is some as well as a stats file */
|
|
if (ffmpegenc->file && ffmpegenc->context->stats_out)
|
|
if (fprintf (ffmpegenc->file, "%s", ffmpegenc->context->stats_out) < 0)
|
|
GST_ELEMENT_ERROR (ffmpegenc, RESOURCE, WRITE,
|
|
(("Could not write to file \"%s\"."), ffmpegenc->filename),
|
|
GST_ERROR_SYSTEM);
|
|
|
|
/* Get oldest frame */
|
|
frame = gst_video_encoder_get_oldest_frame (GST_VIDEO_ENCODER (ffmpegenc));
|
|
|
|
if (send) {
|
|
outbuf =
|
|
gst_buffer_new_wrapped_full (GST_MEMORY_FLAG_READONLY, pkt->data,
|
|
pkt->size, 0, pkt->size, pkt, gst_ffmpegvidenc_free_avpacket);
|
|
frame->output_buffer = outbuf;
|
|
|
|
if (pkt->flags & AV_PKT_FLAG_KEY)
|
|
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
|
|
else
|
|
GST_VIDEO_CODEC_FRAME_UNSET_SYNC_POINT (frame);
|
|
}
|
|
|
|
/* calculate the DTS by taking the PTS/DTS difference from the ffmpeg side
|
|
* and applying it to our PTS. We don't use the ffmpeg timestamps verbatim
|
|
* because they're too inaccurate and in the framerate time_base
|
|
*/
|
|
if (pkt->dts != AV_NOPTS_VALUE) {
|
|
gint64 pts_dts_diff = pkt->dts - pkt->pts;
|
|
if (pts_dts_diff < 0) {
|
|
GstClockTime gst_pts_dts_diff = gst_ffmpeg_time_ff_to_gst (-pts_dts_diff,
|
|
ffmpegenc->context->time_base);
|
|
|
|
if (gst_pts_dts_diff > frame->pts)
|
|
frame->pts = 0;
|
|
else
|
|
frame->dts = frame->pts - gst_pts_dts_diff;
|
|
} else {
|
|
frame->dts = frame->pts +
|
|
gst_ffmpeg_time_ff_to_gst (pts_dts_diff,
|
|
ffmpegenc->context->time_base);
|
|
}
|
|
}
|
|
|
|
ret = gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (ffmpegenc), frame);
|
|
|
|
done:
|
|
return ret;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_ffmpegvidenc_handle_frame (GstVideoEncoder * encoder,
|
|
GstVideoCodecFrame * frame)
|
|
{
|
|
GstFFMpegVidEnc *ffmpegenc = (GstFFMpegVidEnc *) encoder;
|
|
GstFlowReturn ret;
|
|
gboolean got_packet;
|
|
|
|
/* endoder was drained or flushed, and ffmpeg encoder doesn't support
|
|
* flushing. We need to re-open encoder then */
|
|
if (ffmpegenc->need_reopen) {
|
|
gboolean reopen_ret;
|
|
GstVideoCodecState *input_state;
|
|
|
|
GST_DEBUG_OBJECT (ffmpegenc, "Open encoder again");
|
|
|
|
if (!ffmpegenc->input_state) {
|
|
GST_ERROR_OBJECT (ffmpegenc,
|
|
"Cannot re-open encoder without input state");
|
|
return GST_FLOW_NOT_NEGOTIATED;
|
|
}
|
|
|
|
input_state = gst_video_codec_state_ref (ffmpegenc->input_state);
|
|
reopen_ret = gst_ffmpegvidenc_set_format (encoder, input_state);
|
|
gst_video_codec_state_unref (input_state);
|
|
|
|
if (!reopen_ret) {
|
|
GST_ERROR_OBJECT (ffmpegenc, "Couldn't re-open encoder");
|
|
return GST_FLOW_NOT_NEGOTIATED;
|
|
}
|
|
}
|
|
|
|
ret = gst_ffmpegvidenc_send_frame (ffmpegenc, frame);
|
|
|
|
if (ret != GST_FLOW_OK)
|
|
goto encode_fail;
|
|
|
|
gst_video_codec_frame_unref (frame);
|
|
|
|
do {
|
|
ret = gst_ffmpegvidenc_receive_packet (ffmpegenc, &got_packet, TRUE);
|
|
if (ret != GST_FLOW_OK)
|
|
break;
|
|
} while (got_packet);
|
|
|
|
done:
|
|
return ret;
|
|
|
|
/* We choose to be error-resilient */
|
|
encode_fail:
|
|
{
|
|
#ifndef GST_DISABLE_GST_DEBUG
|
|
GstFFMpegVidEncClass *oclass =
|
|
(GstFFMpegVidEncClass *) (G_OBJECT_GET_CLASS (ffmpegenc));
|
|
GST_ERROR_OBJECT (ffmpegenc,
|
|
"avenc_%s: failed to encode buffer", oclass->in_plugin->name);
|
|
#endif /* GST_DISABLE_GST_DEBUG */
|
|
/* avoid frame (and ts etc) piling up */
|
|
ret = gst_video_encoder_finish_frame (encoder, frame);
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_ffmpegvidenc_flush_buffers (GstFFMpegVidEnc * ffmpegenc, gboolean send)
|
|
{
|
|
GstFlowReturn ret = GST_FLOW_OK;
|
|
gboolean got_packet;
|
|
|
|
GST_DEBUG_OBJECT (ffmpegenc, "flushing buffers with sending %d", send);
|
|
|
|
/* no need to empty codec if there is none */
|
|
if (!ffmpegenc->opened)
|
|
goto done;
|
|
|
|
ret = gst_ffmpegvidenc_send_frame (ffmpegenc, NULL);
|
|
|
|
if (ret != GST_FLOW_OK)
|
|
goto done;
|
|
|
|
do {
|
|
ret = gst_ffmpegvidenc_receive_packet (ffmpegenc, &got_packet, send);
|
|
if (ret != GST_FLOW_OK)
|
|
break;
|
|
} while (got_packet);
|
|
avcodec_flush_buffers (ffmpegenc->context);
|
|
ffmpegenc->pts_offset = GST_CLOCK_TIME_NONE;
|
|
|
|
done:
|
|
/* FFMpeg will return AVERROR_EOF if it's internal was fully drained
|
|
* then we are translating it to GST_FLOW_EOS. However, because this behavior
|
|
* is fully internal stuff of this implementation and gstvideoencoder
|
|
* baseclass doesn't convert this GST_FLOW_EOS to GST_FLOW_OK,
|
|
* convert this flow returned here */
|
|
if (ret == GST_FLOW_EOS)
|
|
ret = GST_FLOW_OK;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
gst_ffmpegvidenc_set_property (GObject * object,
|
|
guint prop_id, const GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstFFMpegVidEnc *ffmpegenc;
|
|
|
|
ffmpegenc = (GstFFMpegVidEnc *) (object);
|
|
|
|
if (ffmpegenc->opened) {
|
|
GST_WARNING_OBJECT (ffmpegenc,
|
|
"Can't change properties once decoder is setup !");
|
|
return;
|
|
}
|
|
|
|
switch (prop_id) {
|
|
case PROP_QUANTIZER:
|
|
ffmpegenc->quantizer = g_value_get_float (value);
|
|
break;
|
|
case PROP_PASS:
|
|
ffmpegenc->pass = g_value_get_enum (value);
|
|
break;
|
|
case PROP_FILENAME:
|
|
g_free (ffmpegenc->filename);
|
|
ffmpegenc->filename = g_value_dup_string (value);
|
|
break;
|
|
default:
|
|
if (!gst_ffmpeg_cfg_set_property (ffmpegenc->refcontext, value, pspec))
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_ffmpegvidenc_get_property (GObject * object,
|
|
guint prop_id, GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstFFMpegVidEnc *ffmpegenc;
|
|
|
|
ffmpegenc = (GstFFMpegVidEnc *) (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_QUANTIZER:
|
|
g_value_set_float (value, ffmpegenc->quantizer);
|
|
break;
|
|
case PROP_PASS:
|
|
g_value_set_enum (value, ffmpegenc->pass);
|
|
break;
|
|
case PROP_FILENAME:
|
|
g_value_take_string (value, g_strdup (ffmpegenc->filename));
|
|
break;
|
|
default:
|
|
if (!gst_ffmpeg_cfg_get_property (ffmpegenc->refcontext, value, pspec))
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_ffmpegvidenc_flush (GstVideoEncoder * encoder)
|
|
{
|
|
GstFFMpegVidEnc *ffmpegenc = (GstFFMpegVidEnc *) encoder;
|
|
|
|
if (ffmpegenc->opened) {
|
|
avcodec_flush_buffers (ffmpegenc->context);
|
|
ffmpegenc->pts_offset = GST_CLOCK_TIME_NONE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_ffmpegvidenc_start (GstVideoEncoder * encoder)
|
|
{
|
|
GstFFMpegVidEnc *ffmpegenc = (GstFFMpegVidEnc *) encoder;
|
|
GstFFMpegVidEncClass *oclass =
|
|
(GstFFMpegVidEncClass *) G_OBJECT_GET_CLASS (ffmpegenc);
|
|
|
|
ffmpegenc->opened = FALSE;
|
|
ffmpegenc->need_reopen = FALSE;
|
|
|
|
/* close old session */
|
|
avcodec_free_context (&ffmpegenc->context);
|
|
ffmpegenc->context = avcodec_alloc_context3 (oclass->in_plugin);
|
|
if (ffmpegenc->context == NULL) {
|
|
GST_DEBUG_OBJECT (ffmpegenc, "Failed to set context defaults");
|
|
return FALSE;
|
|
}
|
|
|
|
gst_video_encoder_set_min_pts (encoder, GST_SECOND * 60 * 60 * 1000);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_ffmpegvidenc_stop (GstVideoEncoder * encoder)
|
|
{
|
|
GstFFMpegVidEnc *ffmpegenc = (GstFFMpegVidEnc *) encoder;
|
|
|
|
gst_ffmpegvidenc_flush_buffers (ffmpegenc, FALSE);
|
|
gst_ffmpeg_avcodec_close (ffmpegenc->context);
|
|
ffmpegenc->opened = FALSE;
|
|
ffmpegenc->need_reopen = FALSE;
|
|
|
|
if (ffmpegenc->input_state) {
|
|
gst_video_codec_state_unref (ffmpegenc->input_state);
|
|
ffmpegenc->input_state = NULL;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_ffmpegvidenc_finish (GstVideoEncoder * encoder)
|
|
{
|
|
GstFFMpegVidEnc *ffmpegenc = (GstFFMpegVidEnc *) encoder;
|
|
|
|
return gst_ffmpegvidenc_flush_buffers (ffmpegenc, TRUE);
|
|
}
|
|
|
|
gboolean
|
|
gst_ffmpegvidenc_register (GstPlugin * plugin)
|
|
{
|
|
GTypeInfo typeinfo = {
|
|
sizeof (GstFFMpegVidEncClass),
|
|
(GBaseInitFunc) gst_ffmpegvidenc_base_init,
|
|
NULL,
|
|
(GClassInitFunc) gst_ffmpegvidenc_class_init,
|
|
NULL,
|
|
NULL,
|
|
sizeof (GstFFMpegVidEnc),
|
|
0,
|
|
(GInstanceInitFunc) gst_ffmpegvidenc_init,
|
|
};
|
|
GType type;
|
|
AVCodec *in_plugin;
|
|
void *i = 0;
|
|
|
|
GST_LOG ("Registering encoders");
|
|
|
|
while ((in_plugin = (AVCodec *) av_codec_iterate (&i))) {
|
|
gchar *type_name;
|
|
|
|
/* Skip non-AV codecs */
|
|
if (in_plugin->type != AVMEDIA_TYPE_VIDEO)
|
|
continue;
|
|
|
|
/* no quasi codecs, please */
|
|
if (in_plugin->id == AV_CODEC_ID_RAWVIDEO ||
|
|
in_plugin->id == AV_CODEC_ID_V210 ||
|
|
in_plugin->id == AV_CODEC_ID_V210X ||
|
|
in_plugin->id == AV_CODEC_ID_V308 ||
|
|
in_plugin->id == AV_CODEC_ID_V408 ||
|
|
in_plugin->id == AV_CODEC_ID_V410 || in_plugin->id == AV_CODEC_ID_R210
|
|
#if LIBAVCODEC_VERSION_MAJOR < 61
|
|
|| in_plugin->id == AV_CODEC_ID_AYUV
|
|
#endif
|
|
|| in_plugin->id == AV_CODEC_ID_Y41P
|
|
|| in_plugin->id == AV_CODEC_ID_012V
|
|
|| in_plugin->id == AV_CODEC_ID_YUV4
|
|
#if AV_VERSION_INT (LIBAVCODEC_VERSION_MAJOR, LIBAVCODEC_VERSION_MINOR, LIBAVCODEC_VERSION_MICRO) >= \
|
|
AV_VERSION_INT (57,4,0)
|
|
|| in_plugin->id == AV_CODEC_ID_WRAPPED_AVFRAME
|
|
#endif
|
|
|| in_plugin->id == AV_CODEC_ID_ZLIB) {
|
|
continue;
|
|
}
|
|
|
|
/* No encoders depending on external libraries (we don't build them, but
|
|
* people who build against an external ffmpeg might have them.
|
|
* We have native gstreamer plugins for all of those libraries anyway. */
|
|
if (!strncmp (in_plugin->name, "lib", 3)) {
|
|
GST_DEBUG
|
|
("Not using external library encoder %s. Use the gstreamer-native ones instead.",
|
|
in_plugin->name);
|
|
continue;
|
|
}
|
|
|
|
/* Skip hardware or hybrid (hardware with software fallback) */
|
|
if ((in_plugin->capabilities & AV_CODEC_CAP_HARDWARE) ==
|
|
AV_CODEC_CAP_HARDWARE) {
|
|
GST_DEBUG
|
|
("Ignoring hardware encoder %s. We can't handle this outside of ffmpeg",
|
|
in_plugin->name);
|
|
continue;
|
|
}
|
|
|
|
if ((in_plugin->capabilities & AV_CODEC_CAP_HYBRID) == AV_CODEC_CAP_HYBRID) {
|
|
GST_DEBUG
|
|
("Ignoring hybrid encoder %s. We can't handle this outside of ffmpeg",
|
|
in_plugin->name);
|
|
continue;
|
|
}
|
|
|
|
/* only video encoders */
|
|
if (!av_codec_is_encoder (in_plugin)
|
|
|| in_plugin->type != AVMEDIA_TYPE_VIDEO)
|
|
continue;
|
|
|
|
/* FIXME : We should have a method to know cheaply whether we have a mapping
|
|
* for the given plugin or not */
|
|
|
|
GST_DEBUG ("Trying plugin %s [%s]", in_plugin->name, in_plugin->long_name);
|
|
|
|
/* no codecs for which we're GUARANTEED to have better alternatives */
|
|
if (!strcmp (in_plugin->name, "gif")) {
|
|
GST_LOG ("Ignoring encoder %s", in_plugin->name);
|
|
continue;
|
|
}
|
|
|
|
/* construct the type */
|
|
type_name = g_strdup_printf ("avenc_%s", in_plugin->name);
|
|
|
|
type = g_type_from_name (type_name);
|
|
|
|
if (!type) {
|
|
|
|
/* create the glib type now */
|
|
type =
|
|
g_type_register_static (GST_TYPE_VIDEO_ENCODER, type_name, &typeinfo,
|
|
0);
|
|
g_type_set_qdata (type, GST_FFENC_PARAMS_QDATA, (gpointer) in_plugin);
|
|
|
|
{
|
|
static const GInterfaceInfo preset_info = {
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
g_type_add_interface_static (type, GST_TYPE_PRESET, &preset_info);
|
|
}
|
|
}
|
|
|
|
if (!gst_element_register (plugin, type_name, GST_RANK_SECONDARY, type)) {
|
|
g_free (type_name);
|
|
return FALSE;
|
|
}
|
|
|
|
g_free (type_name);
|
|
}
|
|
|
|
GST_LOG ("Finished registering encoders");
|
|
|
|
return TRUE;
|
|
}
|