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gstreamer/ext/dirac/gstdiracenc.cc

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/* Dirac Encoder
* Copyright (C) 2006 David Schleef <ds@schleef.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/gstbasevideoencoder.h>
#include <gst/video/gstbasevideoutils.h>
#include <string.h>
#include <libdirac_encoder/dirac_encoder.h>
#include <math.h>
GST_DEBUG_CATEGORY_EXTERN (dirac_debug);
#define GST_CAT_DEFAULT dirac_debug
#define GST_TYPE_DIRAC_ENC \
(gst_dirac_enc_get_type())
#define GST_DIRAC_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DIRAC_ENC,GstDiracEnc))
#define GST_DIRAC_ENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DIRAC_ENC,GstDiracEncClass))
#define GST_IS_DIRAC_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DIRAC_ENC))
#define GST_IS_DIRAC_ENC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DIRAC_ENC))
typedef struct _GstDiracEnc GstDiracEnc;
typedef struct _GstDiracEncClass GstDiracEncClass;
struct _GstDiracEnc
{
GstBaseVideoEncoder base_encoder;
GstPad *sinkpad;
GstPad *srcpad;
#if 0
/* video properties */
int width;
int height;
int fps_n, fps_d;
int par_n, par_d;
guint64 duration;
guint32 fourcc;
/* segment properties */
GstClockTime segment_start;
GstClockTime segment_position;
#endif
/* state */
#if 0
gboolean got_offset;
guint64 granulepos_offset;
guint64 granulepos_low;
guint64 granulepos_hi;
gboolean started;
gint64 timestamp_offset;
int picture_number;
#endif
dirac_encoder_context_t enc_ctx;
dirac_encoder_t *encoder;
dirac_sourceparams_t *src_params;
GstBuffer *seq_header_buffer;
guint64 last_granulepos;
guint64 granule_offset;
GstBuffer *codec_data;
GstBuffer *buffer;
GstCaps *srccaps;
int pull_frame_num;
int frame_index;
};
struct _GstDiracEncClass
{
GstBaseVideoEncoderClass parent_class;
};
GType gst_dirac_enc_get_type (void);
enum
{
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_L1_SEP,
PROP_NUM_L1,
PROP_XBLEN,
PROP_YBLEN,
PROP_XBSEP,
PROP_YBSEP,
PROP_CPD,
PROP_QF,
PROP_TARGETRATE,
PROP_LOSSLESS,
PROP_IWLT_FILTER,
PROP_RWLT_FILTER,
PROP_WLT_DEPTH,
PROP_MULTI_QUANTS,
PROP_MV_PREC,
PROP_NO_SPARTITION,
PROP_PREFILTER,
PROP_PREFILTER_STRENGTH,
PROP_PICTURE_CODING_MODE,
PROP_USE_VLC
};
static void gst_dirac_enc_finalize (GObject * object);
static void gst_dirac_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_dirac_enc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean gst_dirac_enc_set_format (GstBaseVideoEncoder *
base_video_encoder, GstVideoState * state);
static gboolean gst_dirac_enc_start (GstBaseVideoEncoder * base_video_encoder);
static gboolean gst_dirac_enc_stop (GstBaseVideoEncoder * base_video_encoder);
static GstFlowReturn gst_dirac_enc_finish (GstBaseVideoEncoder * base_video_encoder);
static GstFlowReturn gst_dirac_enc_handle_frame (GstBaseVideoEncoder *
base_video_encoder, GstVideoFrame * frame);
static GstFlowReturn gst_dirac_enc_shape_output (GstBaseVideoEncoder *
base_video_encoder, GstVideoFrame * frame);
static void gst_dirac_enc_create_codec_data (GstDiracEnc * dirac_enc,
GstBuffer * seq_header);
static GstFlowReturn
gst_dirac_enc_process (GstDiracEnc * dirac_enc, gboolean end_sequence);
#if 0
static gboolean gst_dirac_enc_sink_setcaps (GstPad * pad, GstCaps * caps);
static gboolean gst_dirac_enc_sink_event (GstPad * pad, GstEvent * event);
static GstFlowReturn gst_dirac_enc_chain (GstPad * pad, GstBuffer * buf);
static GstFlowReturn gst_dirac_enc_process (GstDiracEnc * dirac_enc,
gboolean end_sequence);
static GstStateChangeReturn gst_dirac_enc_change_state (GstElement * element,
GstStateChange transition);
static const GstQueryType *gst_dirac_enc_get_query_types (GstPad * pad);
static gboolean gst_dirac_enc_src_query (GstPad * pad, GstQuery * query);
#endif
static GstStaticPadTemplate gst_dirac_enc_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("{ I420, YUY2, UYVY, AYUV }"))
);
static GstStaticPadTemplate gst_dirac_enc_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-dirac;video/x-qt-part;video/x-mp4-part")
);
static void
_do_init (GType object_type)
{
const GInterfaceInfo preset_interface_info = {
NULL, /* interface_init */
NULL, /* interface_finalize */
NULL /* interface_data */
};
g_type_add_interface_static (object_type, GST_TYPE_PRESET,
&preset_interface_info);
}
GST_BOILERPLATE_FULL (GstDiracEnc, gst_dirac_enc, GstBaseVideoEncoder,
GST_TYPE_BASE_VIDEO_ENCODER, _do_init);
static void
gst_dirac_enc_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_static_pad_template (element_class,
&gst_dirac_enc_src_template);
gst_element_class_add_static_pad_template (element_class,
&gst_dirac_enc_sink_template);
gst_element_class_set_details_simple (element_class, "Dirac Encoder",
"Codec/Encoder/Video",
"Encode raw YUV video into Dirac stream",
"David Schleef <ds@schleef.org>");
}
static void
gst_dirac_enc_class_init (GstDiracEncClass * klass)
{
GObjectClass *gobject_class;
GstBaseVideoEncoderClass *basevideoencoder_class;
//int i;
gobject_class = G_OBJECT_CLASS (klass);
basevideoencoder_class = GST_BASE_VIDEO_ENCODER_CLASS (klass);
gobject_class->set_property = gst_dirac_enc_set_property;
gobject_class->get_property = gst_dirac_enc_get_property;
gobject_class->finalize = gst_dirac_enc_finalize;
g_object_class_install_property (gobject_class, PROP_L1_SEP,
g_param_spec_int ("l1-sep", "l1_sep", "l1_sep",
1, 1000, 24,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_NUM_L1,
g_param_spec_int ("num-l1", "num_l1", "num_l1",
0, 1000, 1,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_XBLEN,
g_param_spec_int ("xblen", "xblen", "xblen",
4, 64, 8,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_YBLEN,
g_param_spec_int ("yblen", "yblen", "yblen",
4, 64, 8,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_XBSEP,
g_param_spec_int ("xbsep", "xbsep", "xbsep",
4, 64, 12,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_YBSEP,
g_param_spec_int ("ybsep", "ybsep", "ybsep",
4, 64, 12,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_CPD,
g_param_spec_int ("cpd", "cpd", "cpd",
1, 100, 60,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_QF,
g_param_spec_double ("qf", "qf", "qf",
0.0, 10.0, 7.0,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_TARGETRATE,
g_param_spec_int ("targetrate", "targetrate", "targetrate",
0, 10000, 1000,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_LOSSLESS,
g_param_spec_boolean ("lossless", "lossless", "lossless",
FALSE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_IWLT_FILTER,
g_param_spec_int ("iwlt-filter", "iwlt_filter", "iwlt_filter",
0, 7, 0,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_RWLT_FILTER,
g_param_spec_int ("rwlt-filter", "rwlt_filter", "rwlt_filter",
0, 7, 1,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_WLT_DEPTH,
g_param_spec_int ("wlt-depth", "wlt_depth", "wlt_depth",
1, 4, 3,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_MULTI_QUANTS,
g_param_spec_boolean ("multi-quants", "multi_quants", "multi_quants",
FALSE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_MV_PREC,
g_param_spec_int ("mv-prec", "mv_prec", "mv_prec",
0, 3, 1,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_NO_SPARTITION,
g_param_spec_boolean ("no-spartition", "no_spartition", "no_spartition",
FALSE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_PREFILTER,
g_param_spec_int ("prefilter", "prefilter", "prefilter",
0, 3, 0,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_PREFILTER_STRENGTH,
g_param_spec_int ("pf-strength", "pf_strength", "pf_strength",
0, 10, 0,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_PICTURE_CODING_MODE,
g_param_spec_int ("picture-coding-mode", "picture_coding_mode",
"picture_coding_mode", 0, 1, 0,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_USE_VLC,
g_param_spec_boolean ("use-vlc", "use_vlc", "use_vlc", FALSE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
basevideoencoder_class->set_format =
GST_DEBUG_FUNCPTR (gst_dirac_enc_set_format);
basevideoencoder_class->start = GST_DEBUG_FUNCPTR (gst_dirac_enc_start);
basevideoencoder_class->stop = GST_DEBUG_FUNCPTR (gst_dirac_enc_stop);
basevideoencoder_class->finish = GST_DEBUG_FUNCPTR (gst_dirac_enc_finish);
basevideoencoder_class->handle_frame =
GST_DEBUG_FUNCPTR (gst_dirac_enc_handle_frame);
basevideoencoder_class->shape_output =
GST_DEBUG_FUNCPTR (gst_dirac_enc_shape_output);
}
static void
gst_dirac_enc_init (GstDiracEnc * dirac_enc, GstDiracEncClass * klass)
{
GST_DEBUG ("gst_dirac_enc_init");
dirac_encoder_context_init (&dirac_enc->enc_ctx, VIDEO_FORMAT_CUSTOM);
}
static gboolean
gst_dirac_enc_set_format (GstBaseVideoEncoder * base_video_encoder,
GstVideoState * state)
{
GstDiracEnc *dirac_enc = GST_DIRAC_ENC (base_video_encoder);
GstCaps *caps;
gboolean ret;
GST_DEBUG ("set_format");
gst_base_video_encoder_set_latency_fields (base_video_encoder, 2 * 2);
switch (state->format) {
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
dirac_enc->enc_ctx.src_params.chroma = format420;
break;
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_UYVY:
dirac_enc->enc_ctx.src_params.chroma = format422;
break;
case GST_VIDEO_FORMAT_AYUV:
dirac_enc->enc_ctx.src_params.chroma = format444;
break;
default:
g_assert_not_reached ();
}
dirac_enc->enc_ctx.src_params.frame_rate.numerator = state->fps_n;
dirac_enc->enc_ctx.src_params.frame_rate.denominator = state->fps_d;
dirac_enc->enc_ctx.src_params.width = state->width;
dirac_enc->enc_ctx.src_params.height = state->height;
dirac_enc->enc_ctx.src_params.clean_area.width = state->width;
dirac_enc->enc_ctx.src_params.clean_area.height = state->height;
dirac_enc->enc_ctx.src_params.clean_area.left_offset = 0;
dirac_enc->enc_ctx.src_params.clean_area.top_offset = 0;
dirac_enc->enc_ctx.src_params.pix_asr.numerator = state->par_n;
dirac_enc->enc_ctx.src_params.pix_asr.denominator = state->par_d;
dirac_enc->enc_ctx.src_params.signal_range.luma_offset = 16;
dirac_enc->enc_ctx.src_params.signal_range.luma_excursion = 219;
dirac_enc->enc_ctx.src_params.signal_range.chroma_offset = 128;
dirac_enc->enc_ctx.src_params.signal_range.chroma_excursion = 224;
dirac_enc->enc_ctx.src_params.colour_spec.col_primary = CP_HDTV_COMP_INTERNET;
dirac_enc->enc_ctx.src_params.colour_spec.col_matrix.kr = 0.2126;
dirac_enc->enc_ctx.src_params.colour_spec.col_matrix.kb = 0.0722;
dirac_enc->enc_ctx.src_params.colour_spec.trans_func = TF_TV;
dirac_enc->enc_ctx.decode_flag = 0;
dirac_enc->enc_ctx.instr_flag = 0;
dirac_enc->granule_offset = ~0;
dirac_enc->encoder = dirac_encoder_init (&dirac_enc->enc_ctx, FALSE);
caps = gst_caps_new_simple ("video/x-dirac",
"width", G_TYPE_INT, state->width,
"height", G_TYPE_INT, state->height,
"framerate", GST_TYPE_FRACTION, state->fps_n,
state->fps_d,
"pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n,
state->par_d, NULL);
ret = gst_pad_set_caps (GST_BASE_VIDEO_CODEC_SRC_PAD (dirac_enc), caps);
gst_caps_unref (caps);
return ret;
}
static void
gst_dirac_enc_finalize (GObject * object)
{
GstDiracEnc *dirac_enc;
g_return_if_fail (GST_IS_DIRAC_ENC (object));
dirac_enc = GST_DIRAC_ENC (object);
if (dirac_enc->encoder) {
dirac_encoder_close (dirac_enc->encoder);
dirac_enc->encoder = NULL;
}
if (dirac_enc->codec_data) {
gst_buffer_unref (dirac_enc->codec_data);
dirac_enc->codec_data = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_dirac_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstDiracEnc *encoder;
g_return_if_fail (GST_IS_DIRAC_ENC (object));
encoder = GST_DIRAC_ENC (object);
GST_DEBUG ("gst_dirac_enc_set_property");
switch (prop_id) {
case PROP_L1_SEP:
encoder->enc_ctx.enc_params.L1_sep = g_value_get_int (value);
break;
case PROP_NUM_L1:
encoder->enc_ctx.enc_params.num_L1 = g_value_get_int (value);
break;
case PROP_XBLEN:
encoder->enc_ctx.enc_params.xblen = g_value_get_int (value);
break;
case PROP_YBLEN:
encoder->enc_ctx.enc_params.yblen = g_value_get_int (value);
break;
case PROP_XBSEP:
encoder->enc_ctx.enc_params.xbsep = g_value_get_int (value);
break;
case PROP_YBSEP:
encoder->enc_ctx.enc_params.ybsep = g_value_get_int (value);
break;
case PROP_CPD:
encoder->enc_ctx.enc_params.cpd = g_value_get_int (value);
break;
case PROP_QF:
encoder->enc_ctx.enc_params.qf = g_value_get_double (value);
break;
case PROP_TARGETRATE:
encoder->enc_ctx.enc_params.trate = g_value_get_int (value);
break;
case PROP_LOSSLESS:
encoder->enc_ctx.enc_params.lossless = g_value_get_boolean (value);
break;
case PROP_IWLT_FILTER:
encoder->enc_ctx.enc_params.intra_wlt_filter =
(dirac_wlt_filter_t) g_value_get_int (value);
break;
case PROP_RWLT_FILTER:
encoder->enc_ctx.enc_params.inter_wlt_filter =
(dirac_wlt_filter_t) g_value_get_int (value);
break;
case PROP_WLT_DEPTH:
encoder->enc_ctx.enc_params.wlt_depth = g_value_get_int (value);
break;
case PROP_MULTI_QUANTS:
encoder->enc_ctx.enc_params.multi_quants = g_value_get_boolean (value);
break;
case PROP_MV_PREC:
encoder->enc_ctx.enc_params.mv_precision =
(dirac_mvprecision_t) g_value_get_int (value);
break;
case PROP_NO_SPARTITION:
encoder->enc_ctx.enc_params.spatial_partition =
!g_value_get_boolean (value);
break;
case PROP_PREFILTER:
encoder->enc_ctx.enc_params.prefilter =
(dirac_prefilter_t) g_value_get_int (value);
break;
case PROP_PREFILTER_STRENGTH:
encoder->enc_ctx.enc_params.prefilter_strength = g_value_get_int (value);
break;
case PROP_PICTURE_CODING_MODE:
encoder->enc_ctx.enc_params.picture_coding_mode = g_value_get_int (value);
break;
case PROP_USE_VLC:
encoder->enc_ctx.enc_params.using_ac = !g_value_get_boolean (value);
break;
}
}
static void
gst_dirac_enc_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstDiracEnc *encoder;
g_return_if_fail (GST_IS_DIRAC_ENC (object));
encoder = GST_DIRAC_ENC (object);
switch (prop_id) {
case PROP_L1_SEP:
g_value_set_int (value, encoder->enc_ctx.enc_params.L1_sep);
break;
case PROP_NUM_L1:
g_value_set_int (value, encoder->enc_ctx.enc_params.num_L1);
break;
case PROP_XBLEN:
g_value_set_int (value, encoder->enc_ctx.enc_params.xblen);
break;
case PROP_YBLEN:
g_value_set_int (value, encoder->enc_ctx.enc_params.yblen);
break;
case PROP_XBSEP:
g_value_set_int (value, encoder->enc_ctx.enc_params.xbsep);
break;
case PROP_YBSEP:
g_value_set_int (value, encoder->enc_ctx.enc_params.ybsep);
break;
case PROP_CPD:
g_value_set_int (value, encoder->enc_ctx.enc_params.cpd);
break;
case PROP_QF:
g_value_set_double (value, encoder->enc_ctx.enc_params.qf);
break;
case PROP_TARGETRATE:
g_value_set_int (value, encoder->enc_ctx.enc_params.trate);
break;
case PROP_LOSSLESS:
g_value_set_boolean (value, encoder->enc_ctx.enc_params.lossless);
break;
case PROP_IWLT_FILTER:
g_value_set_int (value, encoder->enc_ctx.enc_params.intra_wlt_filter);
break;
case PROP_RWLT_FILTER:
g_value_set_int (value, encoder->enc_ctx.enc_params.inter_wlt_filter);
break;
case PROP_WLT_DEPTH:
g_value_set_int (value, encoder->enc_ctx.enc_params.wlt_depth);
break;
case PROP_MULTI_QUANTS:
g_value_set_boolean (value, encoder->enc_ctx.enc_params.multi_quants);
break;
case PROP_MV_PREC:
g_value_set_int (value, encoder->enc_ctx.enc_params.mv_precision);
break;
case PROP_NO_SPARTITION:
g_value_set_boolean (value,
!encoder->enc_ctx.enc_params.spatial_partition);
break;
case PROP_PREFILTER:
g_value_set_int (value, encoder->enc_ctx.enc_params.prefilter);
break;
case PROP_PREFILTER_STRENGTH:
g_value_set_int (value, encoder->enc_ctx.enc_params.prefilter_strength);
break;
case PROP_PICTURE_CODING_MODE:
g_value_set_int (value, encoder->enc_ctx.enc_params.picture_coding_mode);
break;
case PROP_USE_VLC:
g_value_set_boolean (value, !encoder->enc_ctx.enc_params.using_ac);
break;
}
}
#if 0
static gboolean
gst_dirac_enc_sink_event (GstPad * pad, GstEvent * event)
{
GstDiracEnc *dirac_enc;
gboolean ret;
dirac_enc = GST_DIRAC_ENC (GST_PAD_PARENT (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
gst_dirac_enc_process (dirac_enc, TRUE);
ret = gst_pad_push_event (dirac_enc->srcpad, event);
break;
case GST_EVENT_NEWSEGMENT:
{
gboolean update;
double rate;
double applied_rate;
GstFormat format;
gint64 start;
gint64 stop;
gint64 position;
gst_event_parse_new_segment_full (event, &update, &rate,
&applied_rate, &format, &start, &stop, &position);
GST_DEBUG ("new segment %lld %lld", start, position);
dirac_enc->segment_start = start;
dirac_enc->segment_position = position;
ret = gst_pad_push_event (dirac_enc->srcpad, event);
}
break;
default:
ret = gst_pad_push_event (dirac_enc->srcpad, event);
break;
}
return ret;
}
#endif
#if 0
#define OGG_DIRAC_GRANULE_SHIFT 30
#define OGG_DIRAC_GRANULE_LOW_MASK ((1ULL<<OGG_DIRAC_GRANULE_SHIFT)-1)
static gint64
granulepos_to_frame (gint64 granulepos)
{
if (granulepos == -1)
return -1;
return (granulepos >> OGG_DIRAC_GRANULE_SHIFT) +
(granulepos & OGG_DIRAC_GRANULE_LOW_MASK);
}
static const GstQueryType *
gst_dirac_enc_get_query_types (GstPad * pad)
{
static const GstQueryType query_types[] = {
//GST_QUERY_POSITION,
//GST_QUERY_DURATION,
GST_QUERY_CONVERT
/* FIXME */
//0
};
return query_types;
}
#endif
#if 0
static gboolean
gst_dirac_enc_sink_convert (GstPad * pad,
GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 * dest_value)
{
gboolean res = TRUE;
GstDiracEnc *enc;
if (src_format == *dest_format) {
*dest_value = src_value;
return TRUE;
}
enc = GST_DIRAC_ENC (gst_pad_get_parent (pad));
/* FIXME: check if we are in a decoding state */
switch (src_format) {
case GST_FORMAT_BYTES:
switch (*dest_format) {
#if 0
case GST_FORMAT_DEFAULT:
*dest_value = gst_util_uint64_scale_int (src_value, 1,
enc->bytes_per_picture);
break;
#endif
case GST_FORMAT_TIME:
/* seems like a rather silly conversion, implement me if you like */
default:
res = FALSE;
}
break;
case GST_FORMAT_DEFAULT:
switch (*dest_format) {
case GST_FORMAT_TIME:
*dest_value = gst_util_uint64_scale (src_value,
GST_SECOND * enc->fps_d, enc->fps_n);
break;
#if 0
case GST_FORMAT_BYTES:
*dest_value = gst_util_uint64_scale_int (src_value,
enc->bytes_per_picture, 1);
break;
#endif
default:
res = FALSE;
}
break;
default:
res = FALSE;
break;
}
}
#endif
#if 0
static gboolean
gst_dirac_enc_src_convert (GstPad * pad,
GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 * dest_value)
{
gboolean res = TRUE;
GstDiracEnc *enc;
if (src_format == *dest_format) {
*dest_value = src_value;
return TRUE;
}
enc = GST_DIRAC_ENC (gst_pad_get_parent (pad));
/* FIXME: check if we are in a encoding state */
switch (src_format) {
case GST_FORMAT_DEFAULT:
switch (*dest_format) {
case GST_FORMAT_TIME:
*dest_value = gst_util_uint64_scale (granulepos_to_frame (src_value),
enc->fps_d * GST_SECOND, enc->fps_n);
break;
default:
res = FALSE;
}
break;
case GST_FORMAT_TIME:
switch (*dest_format) {
case GST_FORMAT_DEFAULT:
{
*dest_value = gst_util_uint64_scale (src_value,
enc->fps_n, enc->fps_d * GST_SECOND);
break;
}
default:
res = FALSE;
break;
}
break;
default:
res = FALSE;
break;
}
gst_object_unref (enc);
return res;
}
static gboolean
gst_dirac_enc_src_query (GstPad * pad, GstQuery * query)
{
GstDiracEnc *enc;
gboolean res;
enc = GST_DIRAC_ENC (gst_pad_get_parent (pad));
switch GST_QUERY_TYPE
(query) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
res = gst_dirac_enc_src_convert (pad, src_fmt, src_val, &dest_fmt,
&dest_val);
if (!res)
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
res = gst_pad_query_default (pad, query);
}
gst_object_unref (enc);
return res;
error:
GST_DEBUG_OBJECT (enc, "query failed");
gst_object_unref (enc);
return res;
}
#endif
/*
* start is called once the input format is known. This function
* must decide on an output format and negotiate it.
*/
static gboolean
gst_dirac_enc_start (GstBaseVideoEncoder * base_video_encoder)
{
return TRUE;
}
static gboolean
gst_dirac_enc_stop (GstBaseVideoEncoder * base_video_encoder)
{
//GstDiracEnc *dirac_enc = GST_DIRAC_ENC (base_video_encoder);
#if 0
if (dirac_enc->encoder) {
dirac_encoder_free (dirac_enc->encoder);
dirac_enc->encoder = NULL;
}
#endif
return TRUE;
}
static GstFlowReturn
gst_dirac_enc_finish (GstBaseVideoEncoder * base_video_encoder)
{
GstDiracEnc *dirac_enc = GST_DIRAC_ENC (base_video_encoder);
GST_DEBUG ("finish");
gst_dirac_enc_process (dirac_enc, TRUE);
return GST_FLOW_OK;
}
static GstFlowReturn
gst_dirac_enc_handle_frame (GstBaseVideoEncoder * base_video_encoder,
GstVideoFrame * frame)
{
GstDiracEnc *dirac_enc = GST_DIRAC_ENC (base_video_encoder);
GstFlowReturn ret;
int r;
const GstVideoState *state;
uint8_t *data;
gboolean copied = FALSE;
int size;
state = gst_base_video_encoder_get_state (base_video_encoder);
if (dirac_enc->granule_offset == ~0ULL) {
dirac_enc->granule_offset =
gst_util_uint64_scale (frame->presentation_timestamp,
2 * state->fps_n, GST_SECOND * state->fps_d);
GST_DEBUG ("granule offset %" G_GINT64_FORMAT, dirac_enc->granule_offset);
}
switch (state->format) {
case GST_VIDEO_FORMAT_I420:
data = GST_BUFFER_DATA (frame->sink_buffer);
size = GST_BUFFER_SIZE (frame->sink_buffer);
break;
case GST_VIDEO_FORMAT_YUY2:
{
uint8_t *bufdata = GST_BUFFER_DATA (frame->sink_buffer);
int i, j;
data = (uint8_t *) g_malloc (GST_BUFFER_SIZE (frame->sink_buffer));
copied = TRUE;
size = GST_BUFFER_SIZE (frame->sink_buffer);
for (j = 0; j < state->height; j++) {
for (i = 0; i < state->width; i++) {
data[j * state->width + i] = bufdata[j * state->width * 2 + i * 2];
}
for (i = 0; i < state->width / 2; i++) {
data[state->height * state->width +
j * (state->width / 2) + i] =
bufdata[j * state->width * 2 + i * 4 + 1];
data[state->height * state->width +
+state->height * (state->width / 2)
+ j * (state->width / 2) + i] =
bufdata[j * state->width * 2 + i * 4 + 3];
}
}
}
break;
case GST_VIDEO_FORMAT_UYVY:
{
uint8_t *bufdata = GST_BUFFER_DATA (frame->sink_buffer);
int i, j;
data = (uint8_t *) g_malloc (GST_BUFFER_SIZE (frame->sink_buffer));
copied = TRUE;
size = GST_BUFFER_SIZE (frame->sink_buffer);
for (j = 0; j < state->height; j++) {
for (i = 0; i < state->width; i++) {
data[j * state->width + i] =
bufdata[j * state->width * 2 + i * 2 + 1];
}
for (i = 0; i < state->width / 2; i++) {
data[state->height * state->width +
j * (state->width / 2) + i] =
bufdata[j * state->width * 2 + i * 4 + 0];
data[state->height * state->width +
+state->height * (state->width / 2)
+ j * (state->width / 2) + i] =
bufdata[j * state->width * 2 + i * 4 + 2];
}
}
}
break;
case GST_VIDEO_FORMAT_AYUV:
{
uint8_t *bufdata = GST_BUFFER_DATA (frame->sink_buffer);
int i, j;
size = state->height * state->width * 3;
data = (uint8_t *) g_malloc (size);
copied = TRUE;
for (j = 0; j < state->height; j++) {
for (i = 0; i < state->width; i++) {
data[j * state->width + i] =
bufdata[j * state->width * 4 + i * 4 + 1];
data[state->height * state->width
+ j * state->width + i] =
bufdata[j * state->width * 4 + i * 4 + 2];
data[2 * state->height * state->width +
+j * state->width + i] =
bufdata[j * state->width * 4 + i * 4 + 3];
}
}
}
break;
default:
g_assert_not_reached ();
}
r = dirac_encoder_load (dirac_enc->encoder, data,
GST_BUFFER_SIZE (frame->sink_buffer));
if (copied) {
g_free (data);
}
if (r != (int) GST_BUFFER_SIZE (frame->sink_buffer)) {
GST_ERROR ("failed to push picture");
return GST_FLOW_ERROR;
}
GST_DEBUG ("handle frame");
gst_buffer_unref (frame->sink_buffer);
frame->sink_buffer = NULL;
frame->system_frame_number = dirac_enc->frame_index;
dirac_enc->frame_index++;
ret = gst_dirac_enc_process (dirac_enc, FALSE);
return ret;
}
#if 0
static gboolean
gst_pad_is_negotiated (GstPad * pad)
{
GstCaps *caps;
g_return_val_if_fail (pad != NULL, FALSE);
caps = gst_pad_get_negotiated_caps (pad);
if (caps) {
gst_caps_unref (caps);
return TRUE;
}
return FALSE;
}
#endif
#if 0
static GstFlowReturn
gst_dirac_enc_chain (GstPad * pad, GstBuffer * buf)
{
GstDiracEnc *dirac_enc;
GstFlowReturn ret;
dirac_enc = GST_DIRAC_ENC (gst_pad_get_parent (pad));
if (!gst_pad_is_negotiated (pad)) {
return GST_FLOW_NOT_NEGOTIATED;
}
if (GST_BUFFER_TIMESTAMP (buf) < dirac_enc->segment_start) {
GST_DEBUG ("dropping early buffer");
return GST_FLOW_OK;
}
if (!dirac_enc->got_offset) {
dirac_enc->granulepos_offset =
gst_util_uint64_scale (GST_BUFFER_TIMESTAMP (buf), dirac_enc->fps_n,
GST_SECOND * dirac_enc->fps_d);
GST_DEBUG ("using granulepos offset %lld", dirac_enc->granulepos_offset);
dirac_enc->granulepos_hi = 0;
dirac_enc->got_offset = TRUE;
dirac_enc->timestamp_offset = GST_BUFFER_TIMESTAMP (buf);
dirac_enc->picture_number = 0;
}
if (!dirac_enc->started) {
dirac_enc->encoder = dirac_encoder_init (&dirac_enc->enc_ctx, FALSE);
dirac_enc->started = TRUE;
}
switch (dirac_enc->fourcc) {
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
dirac_encoder_load (dirac_enc->encoder, GST_BUFFER_DATA (buf),
GST_BUFFER_SIZE (buf));
break;
case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
{
uint8_t *data;
uint8_t *bufdata = GST_BUFFER_DATA (buf);
int i, j;
data = (uint8_t *) g_malloc (GST_BUFFER_SIZE (buf));
for (j = 0; j < dirac_enc->height; j++) {
for (i = 0; i < dirac_enc->width; i++) {
data[j * dirac_enc->width + i] =
bufdata[j * dirac_enc->width * 2 + i * 2];
}
for (i = 0; i < dirac_enc->width / 2; i++) {
data[dirac_enc->height * dirac_enc->width +
j * (dirac_enc->width / 2) + i] =
bufdata[j * dirac_enc->width * 2 + i * 4 + 1];
data[dirac_enc->height * dirac_enc->width +
+dirac_enc->height * (dirac_enc->width / 2)
+ j * (dirac_enc->width / 2) + i] =
bufdata[j * dirac_enc->width * 2 + i * 4 + 3];
}
}
dirac_encoder_load (dirac_enc->encoder, data, GST_BUFFER_SIZE (buf));
g_free (data);
}
break;
case GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'):
{
uint8_t *data;
uint8_t *bufdata = GST_BUFFER_DATA (buf);
int i, j;
data = (uint8_t *) g_malloc (GST_BUFFER_SIZE (buf));
for (j = 0; j < dirac_enc->height; j++) {
for (i = 0; i < dirac_enc->width; i++) {
data[j * dirac_enc->width + i] =
bufdata[j * dirac_enc->width * 2 + i * 2 + 1];
}
for (i = 0; i < dirac_enc->width / 2; i++) {
data[dirac_enc->height * dirac_enc->width +
j * (dirac_enc->width / 2) + i] =
bufdata[j * dirac_enc->width * 2 + i * 4 + 0];
data[dirac_enc->height * dirac_enc->width +
+dirac_enc->height * (dirac_enc->width / 2)
+ j * (dirac_enc->width / 2) + i] =
bufdata[j * dirac_enc->width * 2 + i * 4 + 2];
}
}
dirac_encoder_load (dirac_enc->encoder, data, GST_BUFFER_SIZE (buf));
g_free (data);
}
break;
case GST_MAKE_FOURCC ('A', 'Y', 'U', 'V'):
{
uint8_t *data;
uint8_t *bufdata = GST_BUFFER_DATA (buf);
int i, j;
data = (uint8_t *) g_malloc (GST_BUFFER_SIZE (buf));
for (j = 0; j < dirac_enc->height; j++) {
for (i = 0; i < dirac_enc->width; i++) {
data[j * dirac_enc->width + i] =
bufdata[j * dirac_enc->width * 4 + i * 4 + 1];
}
for (i = 0; i < dirac_enc->width; i++) {
data[dirac_enc->height * dirac_enc->width
+ j * dirac_enc->width + i] =
bufdata[j * dirac_enc->width * 4 + i * 4 + 2];
data[2 * dirac_enc->height * dirac_enc->width +
+j * dirac_enc->width + i] =
bufdata[j * dirac_enc->width * 4 + i * 4 + 3];
}
}
dirac_encoder_load (dirac_enc->encoder, data, GST_BUFFER_SIZE (buf));
g_free (data);
}
break;
default:
g_assert_not_reached ();
}
ret = gst_dirac_enc_process (dirac_enc, FALSE);
gst_buffer_unref (buf);
gst_object_unref (dirac_enc);
return ret;
}
#endif
#define DIRAC_PARSE_CODE_IS_SEQ_HEADER(x) ((x) == 0x00)
#define DIRAC_PARSE_CODE_IS_END_OF_SEQUENCE(x) ((x) == 0x10)
#define DIRAC_PARSE_CODE_IS_PICTURE(x) ((x) & 0x8)
#define DIRAC_PARSE_CODE_NUM_REFS(x) ((x) & 0x3)
#define DIRAC_PARSE_CODE_IS_INTRA(x) (DIRAC_PARSE_CODE_IS_PICTURE(x) && DIRAC_PARSE_CODE_NUM_REFS(x) == 0)
static GstFlowReturn
gst_dirac_enc_process (GstDiracEnc * dirac_enc, gboolean end_sequence)
{
GstBuffer *outbuf;
GstFlowReturn ret = GST_FLOW_OK;
int parse_code;
int state;
GstVideoFrame *frame;
do {
outbuf = gst_buffer_new_and_alloc (32 * 1024 * 1024);
dirac_enc->encoder->enc_buf.buffer = GST_BUFFER_DATA (outbuf);
dirac_enc->encoder->enc_buf.size = GST_BUFFER_SIZE (outbuf);
if (end_sequence) {
dirac_encoder_end_sequence (dirac_enc->encoder);
}
state = dirac_encoder_output (dirac_enc->encoder);
switch (state) {
case ENC_STATE_BUFFER:
GST_DEBUG ("BUFFER");
gst_buffer_unref (outbuf);
break;
case ENC_STATE_INVALID:
GST_DEBUG ("Dirac returned ENC_STATE_INVALID");
gst_buffer_unref (outbuf);
return GST_FLOW_ERROR;
case ENC_STATE_EOS:
frame =
gst_base_video_encoder_get_oldest_frame (GST_BASE_VIDEO_ENCODER
(dirac_enc));
/* FIXME: Get the frame from somewhere somehow... */
if (frame) {
frame->src_buffer = outbuf;
GST_BUFFER_SIZE (outbuf) = dirac_enc->encoder->enc_buf.size;
ret =
gst_base_video_encoder_finish_frame (GST_BASE_VIDEO_ENCODER
(dirac_enc), frame);
if (ret != GST_FLOW_OK) {
GST_DEBUG ("pad_push returned %d", ret);
return ret;
}
}
break;
case ENC_STATE_AVAIL:
GST_DEBUG ("AVAIL");
/* FIXME this doesn't reorder frames */
frame =
gst_base_video_encoder_get_oldest_frame (GST_BASE_VIDEO_ENCODER
(dirac_enc));
if (frame == NULL) {
GST_ERROR ("didn't get frame %d", dirac_enc->pull_frame_num);
}
dirac_enc->pull_frame_num++;
parse_code = ((guint8 *) GST_BUFFER_DATA (outbuf))[4];
if (DIRAC_PARSE_CODE_IS_SEQ_HEADER (parse_code)) {
frame->is_sync_point = TRUE;
}
if (!dirac_enc->codec_data) {
GstCaps *caps;
const GstVideoState *state = gst_base_video_encoder_get_state (GST_BASE_VIDEO_ENCODER (dirac_enc));
gst_dirac_enc_create_codec_data (dirac_enc, outbuf);
caps = gst_caps_new_simple ("video/x-dirac",
"width", G_TYPE_INT, state->width,
"height", G_TYPE_INT, state->height,
"framerate", GST_TYPE_FRACTION, state->fps_n,
state->fps_d,
"pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n,
state->par_d, "streamheader", GST_TYPE_BUFFER, dirac_enc->codec_data,
NULL);
if (!gst_pad_set_caps (GST_BASE_VIDEO_CODEC_SRC_PAD (dirac_enc), caps))
ret = GST_FLOW_NOT_NEGOTIATED;
gst_caps_unref (caps);
if (ret != GST_FLOW_OK) {
GST_ERROR ("Failed to set srcpad caps");
gst_buffer_unref (outbuf);
return ret;
}
}
frame->src_buffer = outbuf;
GST_BUFFER_SIZE (outbuf) = dirac_enc->encoder->enc_buf.size;
ret =
gst_base_video_encoder_finish_frame (GST_BASE_VIDEO_ENCODER
(dirac_enc), frame);
if (ret != GST_FLOW_OK) {
GST_DEBUG ("pad_push returned %d", ret);
return ret;
}
break;
default:
GST_ERROR ("Dirac returned state==%d", state);
gst_buffer_unref (outbuf);
return GST_FLOW_ERROR;
}
} while (state == ENC_STATE_AVAIL);
return GST_FLOW_OK;
}
static GstFlowReturn
gst_dirac_enc_shape_output_ogg (GstBaseVideoEncoder * base_video_encoder,
GstVideoFrame * frame)
{
GstDiracEnc *dirac_enc;
int delay;
int dist;
int pt;
int dt;
guint64 granulepos_hi;
guint64 granulepos_low;
GstBuffer *buf = frame->src_buffer;
dirac_enc = GST_DIRAC_ENC (base_video_encoder);
pt = frame->presentation_frame_number * 2 + dirac_enc->granule_offset;
dt = frame->decode_frame_number * 2 + dirac_enc->granule_offset;
delay = pt - dt;
dist = frame->distance_from_sync;
GST_DEBUG ("sys %d dpn %d pt %d dt %d delay %d dist %d",
(int) frame->system_frame_number,
(int) frame->decode_frame_number, pt, dt, delay, dist);
granulepos_hi = (((uint64_t) pt - delay) << 9) | ((dist >> 8));
granulepos_low = (delay << 9) | (dist & 0xff);
GST_DEBUG ("granulepos %" G_GINT64_FORMAT ":%" G_GINT64_FORMAT, granulepos_hi,
granulepos_low);
if (frame->is_eos) {
GST_BUFFER_OFFSET_END (buf) = dirac_enc->last_granulepos;
} else {
dirac_enc->last_granulepos = (granulepos_hi << 22) | (granulepos_low);
GST_BUFFER_OFFSET_END (buf) = dirac_enc->last_granulepos;
}
gst_buffer_set_caps (buf,
GST_PAD_CAPS (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder)));
return gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder), buf);
}
static GstFlowReturn
gst_dirac_enc_shape_output (GstBaseVideoEncoder * base_video_encoder,
GstVideoFrame * frame)
{
gst_dirac_enc_shape_output_ogg (base_video_encoder, frame);
return GST_FLOW_ERROR;
}
static void
gst_dirac_enc_create_codec_data (GstDiracEnc * dirac_enc,
GstBuffer * seq_header)
{
GstBuffer *buf;
int size;
size = GST_READ_UINT32_BE (GST_BUFFER_DATA (seq_header) + 9);
#define DIRAC_PARSE_HEADER_SIZE 13
buf = gst_buffer_new_and_alloc (size + DIRAC_PARSE_HEADER_SIZE);
memcpy (GST_BUFFER_DATA (buf), GST_BUFFER_DATA (seq_header), size);
GST_WRITE_UINT32_BE (GST_BUFFER_DATA (buf) + size + 0, 0x42424344);
#define DIRAC_PARSE_CODE_END_OF_SEQUENCE 0x10
GST_WRITE_UINT8 (GST_BUFFER_DATA (buf) + size + 4,
DIRAC_PARSE_CODE_END_OF_SEQUENCE);
GST_WRITE_UINT32_BE (GST_BUFFER_DATA (buf) + size + 5, 0);
GST_WRITE_UINT32_BE (GST_BUFFER_DATA (buf) + size + 9, size);
/* ogg(mux) expects the header buffers to have 0 timestamps -
set OFFSET and OFFSET_END accordingly */
GST_BUFFER_OFFSET (buf) = 0;
GST_BUFFER_OFFSET_END (buf) = 0;
GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_IN_CAPS);
if (dirac_enc->codec_data) {
gst_buffer_unref (dirac_enc->codec_data);
}
dirac_enc->codec_data = buf;
}
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