/* flush xvid encoder buffers caused by bframe usage;
not well tested */
static void
gst_xviddec_flush_buffers (GstXvidDec * dec, gboolean send)
{
#if 0
gint ret;
GstBuffer *outbuf = NULL;
xvid_dec_frame_t xframe;
xvid_dec_stats_t xstats;
#endif
GST_DEBUG_OBJECT (dec, "flushing buffers with send %d, have_ts %d",
send, dec->have_ts);
/* no need to flush if there is no delayed time-stamp */
if (!dec->have_ts)
return;
/* flushing must reset the timestamp keeping */
dec->have_ts = FALSE;
/* also no need to flush if no handle */
if (!dec->handle)
return;
/* unlike encoder, decoder does not seem to like flushing, disable for now */
#if 0
gst_xvid_init_struct (xframe);
gst_xvid_init_struct (xstats);
/* init a fake frame to force flushing */
xframe.bitstream = NULL;
xframe.length = -1;
ret = gst_xviddec_decode (dec, xframe, &outbuf, &xstats);
GST_DEBUG_OBJECT (dec, "received frame when flushing, type %d, size %d",
xstats.type, ret);
if (ret > 0 && send) {
/* we have some valid return frame, give it the delayed timestamp and send */
GST_BUFFER_TIMESTAMP (outbuf) = dec->next_ts;
GST_BUFFER_DURATION (outbuf) = dec->next_dur;
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (dec->srcpad));
gst_pad_push (dec->srcpad, outbuf);
return;
}
if (outbuf)
gst_buffer_unref (outbuf);
#else
return;
#endif
}
gboolean
gst_xvid_init (void)
{
xvid_gbl_init_t xinit;
gint ret;
static gboolean is_init = FALSE;
/* only init once */
if (is_init == TRUE) {
return TRUE;
}
/* set up xvid initially (function pointers, CPU flags) */
gst_xvid_init_struct (xinit);
if ((ret = xvid_global (NULL, XVID_GBL_INIT, &xinit, NULL)) < 0) {
g_warning ("Failed to initialize XviD: %s (%d)", gst_xvid_error (ret), ret);
return FALSE;
}
GST_LOG ("Initted XviD version %d.%d.%d (API %d.%d)",
XVID_VERSION_MAJOR (XVID_VERSION),
XVID_VERSION_MINOR (XVID_VERSION),
XVID_VERSION_PATCH (XVID_VERSION),
XVID_API_MAJOR (XVID_API), XVID_API_MINOR (XVID_API));
is_init = TRUE;
return TRUE;
}
static gboolean
gst_xviddec_setup (GstXvidDec * dec)
{
xvid_dec_create_t xdec;
gint ret;
/* initialise parameters, see xvid documentation */
gst_xvid_init_struct (xdec);
/* let the decoder handle this, don't trust the container */
xdec.width = 0;
xdec.height = 0;
xdec.handle = NULL;
GST_DEBUG_OBJECT (dec, "Initializing xvid decoder with parameters "
"%dx%d@%d", dec->width, dec->height, dec->csp);
if ((ret = xvid_decore (NULL, XVID_DEC_CREATE, &xdec, NULL)) < 0) {
GST_WARNING_OBJECT (dec, "Initializing xvid decoder failed: %s (%d)",
gst_xvid_error (ret), ret);
return FALSE;
}
dec->handle = xdec.handle;
return TRUE;
}
/* flush xvid encoder buffers caused by bframe usage */
static void
gst_xvidenc_flush_buffers (GstXvidEnc * xvidenc, gboolean send)
{
GstBuffer *outbuf;
xvid_enc_frame_t xframe;
/* no need to flush if no handle */
if (!xvidenc->handle)
return;
gst_xvid_init_struct (xframe);
/* init a fake frame to force flushing */
xframe.input.csp = XVID_CSP_NULL;
xframe.input.plane[0] = NULL;
xframe.input.plane[1] = NULL;
xframe.input.plane[2] = NULL;
xframe.input.stride[0] = 0;
xframe.input.stride[1] = 0;
xframe.input.stride[2] = 0;
xframe.quant = 0;
GST_DEBUG ("flushing buffers with sending %d", send);
while (!g_queue_is_empty (xvidenc->delay)) {
outbuf = gst_xvidenc_encode (xvidenc, NULL, xframe);
if (outbuf) {
if (send)
gst_pad_push (xvidenc->srcpad, outbuf);
else
gst_buffer_unref (outbuf);
} else /* hm, there should have been something in there */
break;
}
/* our queue should be empty anyway if we did not have to break out ... */
while (!g_queue_is_empty (xvidenc->delay))
gst_buffer_unref (g_queue_pop_head (xvidenc->delay));
}
static GstFlowReturn
gst_xviddec_chain (GstPad * pad, GstBuffer * buf)
{
GstXvidDec *dec;
GstBuffer *outbuf = NULL;
xvid_dec_frame_t xframe;
xvid_dec_stats_t xstats;
gint ret;
guint8 *data, *dupe = NULL;
guint size;
GstFlowReturn fret;
dec = GST_XVIDDEC (GST_OBJECT_PARENT (pad));
if (!dec->handle)
goto not_negotiated;
fret = GST_FLOW_OK;
GST_LOG_OBJECT (dec, "Received buffer of time %" GST_TIME_FORMAT
" duration %" GST_TIME_FORMAT ", size %d",
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
GST_TIME_ARGS (GST_BUFFER_DURATION (buf)), GST_BUFFER_SIZE (buf));
if (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DISCONT)) {
/* FIXME: should we do anything here, like flush the decoder? */
}
data = GST_BUFFER_DATA (buf);
size = GST_BUFFER_SIZE (buf);
/* xvidcore overreads the input buffer, we need to alloc some extra padding
* to make things work reliably */
#define EXTRA_PADDING 16
if (EXTRA_PADDING > 0) {
dupe = g_malloc (size + EXTRA_PADDING);
memcpy (dupe, data, size);
memset (dupe + size, 0, EXTRA_PADDING);
data = dupe;
}
do { /* loop needed because xvidcore may return vol information */
/* decode and so ... */
gst_xvid_init_struct (xframe);
xframe.general = XVID_LOWDELAY;
xframe.bitstream = (void *) data;
xframe.length = size;
gst_xvid_init_struct (xstats);
if (outbuf == NULL) {
fret = gst_pad_alloc_buffer (dec->srcpad, GST_BUFFER_OFFSET_NONE,
dec->outbuf_size, GST_PAD_CAPS (dec->srcpad), &outbuf);
if (fret != GST_FLOW_OK)
goto done;
}
gst_xvid_image_fill (&xframe.output, GST_BUFFER_DATA (outbuf),
dec->csp, dec->width, dec->height);
ret = xvid_decore (dec->handle, XVID_DEC_DECODE, &xframe, &xstats);
if (ret < 0)
goto decode_error;
GST_LOG_OBJECT (dec, "xvid produced output, type %d, consumed %d",
xstats.type, ret);
if (xstats.type == XVID_TYPE_VOL)
gst_xviddec_negotiate (dec, &xstats);
data += ret;
size -= ret;
} while (xstats.type <= 0 && size > 0);
/* 1 byte is frequently left over */
if (size > 1) {
GST_WARNING_OBJECT (dec, "decoder did not consume all input");
}
/* FIXME, reflow the multiple return exit points */
if (xstats.type > 0) { /* some real output was produced */
if (G_UNLIKELY (dec->waiting_for_key)) {
if (xstats.type != XVID_TYPE_IVOP)
goto dropping;
dec->waiting_for_key = FALSE;
}
/* bframes can cause a delay in frames being returned
non keyframe timestamps can permute a bit between
encode and display order, but should match for keyframes */
if (dec->have_ts) {
GST_BUFFER_TIMESTAMP (outbuf) = dec->next_ts;
GST_BUFFER_DURATION (outbuf) = dec->next_dur;
dec->next_ts = GST_BUFFER_TIMESTAMP (buf);
dec->next_dur = GST_BUFFER_DURATION (buf);
} else {
GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (buf);
}
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (dec->srcpad));
GST_LOG_OBJECT (dec, "pushing buffer with pts %" GST_TIME_FORMAT
" duration %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)),
GST_TIME_ARGS (GST_BUFFER_DURATION (outbuf)));
fret = gst_pad_push (dec->srcpad, outbuf);
} else { /* no real output yet, delay in frames being returned */
if (G_UNLIKELY (dec->have_ts)) {
GST_WARNING_OBJECT (dec,
"xvid decoder produced no output, but timestamp %" GST_TIME_FORMAT
" already queued", GST_TIME_ARGS (dec->next_ts));
} else {
dec->have_ts = TRUE;
dec->next_ts = GST_BUFFER_TIMESTAMP (buf);
dec->next_dur = GST_BUFFER_DURATION (buf);
}
gst_buffer_unref (outbuf);
}
done:
g_free (dupe);
gst_buffer_unref (buf);
return fret;
/* ERRORS */
not_negotiated:
{
GST_ELEMENT_ERROR (dec, CORE, NEGOTIATION, (NULL),
("format wasn't negotiated before chain function"));
fret = GST_FLOW_NOT_NEGOTIATED;
goto done;
}
decode_error:
{
/* FIXME: shouldn't error out fatally/properly after N decoding errors? */
GST_ELEMENT_WARNING (dec, STREAM, DECODE, (NULL),
("Error decoding xvid frame: %s (%d)", gst_xvid_error (ret), ret));
if (outbuf)
gst_buffer_unref (outbuf);
goto done;
}
dropping:
{
GST_WARNING_OBJECT (dec, "Dropping non-keyframe (seek/init)");
if (outbuf)
gst_buffer_unref (outbuf);
goto done;
}
}
static gboolean
gst_xvidenc_setup (GstXvidEnc * xvidenc)
{
xvid_enc_create_t xenc;
xvid_enc_plugin_t xplugin[2];
gint ret;
GstCaps *allowed_caps;
gint profile = -1;
/* Negotiate profile/level with downstream */
allowed_caps = gst_pad_get_allowed_caps (xvidenc->srcpad);
if (allowed_caps && !gst_caps_is_empty (allowed_caps)) {
const gchar *profile_str, *level_str;
allowed_caps = gst_caps_make_writable (allowed_caps);
gst_caps_truncate (allowed_caps);
profile_str =
gst_structure_get_string (gst_caps_get_structure (allowed_caps, 0),
"profile");
level_str =
gst_structure_get_string (gst_caps_get_structure (allowed_caps, 0),
"level");
if (profile_str) {
if (g_str_equal (profile_str, "simple")) {
if (!level_str) {
profile = XVID_PROFILE_S_L0;
} else if (g_str_equal (level_str, "0")) {
profile = XVID_PROFILE_S_L0;
} else if (g_str_equal (level_str, "1")) {
profile = XVID_PROFILE_S_L1;
} else if (g_str_equal (level_str, "2")) {
profile = XVID_PROFILE_S_L2;
} else if (g_str_equal (level_str, "3")) {
profile = XVID_PROFILE_S_L3;
/* } else if (g_str_equal (level_str, "4a")) {
profile = XVID_PROFILE_S_L4a;
} else if (g_str_equal (level_str, "5")) {
profile = XVID_PROFILE_S_L5;
} else if (g_str_equal (level_str, "6")) {
profile = XVID_PROFILE_S_L6;*/
} else {
GST_ERROR_OBJECT (xvidenc,
"Invalid profile/level combination (%s %s)", profile_str,
level_str);
}
} else if (g_str_equal (profile_str, "advanced-real-time-simple")) {
if (!level_str) {
profile = XVID_PROFILE_ARTS_L1;
} else if (g_str_equal (level_str, "1")) {
profile = XVID_PROFILE_ARTS_L1;
} else if (g_str_equal (level_str, "2")) {
profile = XVID_PROFILE_ARTS_L2;
} else if (g_str_equal (level_str, "3")) {
profile = XVID_PROFILE_ARTS_L3;
} else if (g_str_equal (level_str, "4")) {
profile = XVID_PROFILE_ARTS_L4;
} else {
GST_ERROR_OBJECT (xvidenc,
"Invalid profile/level combination (%s %s)", profile_str,
level_str);
}
} else if (g_str_equal (profile_str, "advanced-simple")) {
if (!level_str) {
profile = XVID_PROFILE_AS_L0;
} else if (g_str_equal (level_str, "0")) {
profile = XVID_PROFILE_AS_L0;
} else if (g_str_equal (level_str, "1")) {
profile = XVID_PROFILE_AS_L1;
} else if (g_str_equal (level_str, "2")) {
profile = XVID_PROFILE_AS_L2;
} else if (g_str_equal (level_str, "3")) {
profile = XVID_PROFILE_AS_L3;
} else if (g_str_equal (level_str, "4")) {
profile = XVID_PROFILE_AS_L4;
} else {
GST_ERROR_OBJECT (xvidenc,
"Invalid profile/level combination (%s %s)", profile_str,
level_str);
}
} else {
GST_ERROR_OBJECT (xvidenc, "Invalid profile (%s)", profile_str);
}
}
}
if (allowed_caps)
gst_caps_unref (allowed_caps);
if (profile != -1) {
xvidenc->profile = profile;
g_object_notify (G_OBJECT (xvidenc), "profile");
}
/* see xvid.h for the meaning of all this. */
gst_xvid_init_struct (xenc);
xenc.profile = xvidenc->used_profile = xvidenc->profile;
xenc.width = xvidenc->width;
xenc.height = xvidenc->height;
xenc.max_bframes = xvidenc->max_bframes;
xenc.global = XVID_GLOBAL_PACKED
| (xvidenc->closed_gop ? XVID_GLOBAL_CLOSED_GOP : 0);
xenc.bquant_ratio = xvidenc->bquant_ratio;
xenc.bquant_offset = xvidenc->bquant_offset;
xenc.fbase = xvidenc->fbase;
xenc.fincr = xvidenc->fincr;
xenc.max_key_interval = (xvidenc->max_key_interval < 0) ?
(-xvidenc->max_key_interval * xenc.fbase /
xenc.fincr) : xvidenc->max_key_interval;
xenc.handle = NULL;
/* quantizer ranges */
xenc.min_quant[0] = xvidenc->min_iquant;
xenc.min_quant[1] = xvidenc->min_pquant;
xenc.min_quant[2] = xvidenc->min_bquant;
xenc.max_quant[0] = xvidenc->max_iquant;
xenc.max_quant[1] = xvidenc->max_pquant;
xenc.max_quant[2] = xvidenc->max_bquant;
/* cbr, vbr or constant quantizer */
xenc.num_plugins = 1;
xenc.plugins = xplugin;
switch (xvidenc->pass) {
case XVIDENC_CBR:
case XVIDENC_QUANT:
{
xvid_plugin_single_t xsingle;
xvid_enc_zone_t xzone;
gst_xvid_init_struct (xsingle);
xenc.plugins[0].func = xvid_plugin_single;
xenc.plugins[0].param = &xsingle;
xsingle.bitrate = xvidenc->bitrate;
xsingle.reaction_delay_factor = MAX (0, xvidenc->reaction_delay_factor);
xsingle.averaging_period = MAX (0, xvidenc->averaging_period);
xsingle.buffer = MAX (0, xvidenc->buffer);
if (xvidenc->pass == XVIDENC_CBR)
break;
/* set up a const quantizer zone */
xzone.mode = XVID_ZONE_QUANT;
xzone.frame = 0;
xzone.increment = xvidenc->quant;
xzone.base = 1;
xenc.zones = &xzone;
xenc.num_zones++;
break;
}
case XVIDENC_VBR_PASS1:
{
xvid_plugin_2pass1_t xpass;
gst_xvid_init_struct (xpass);
xenc.plugins[0].func = xvid_plugin_2pass1;
xenc.plugins[0].param = &xpass;
xpass.filename = xvidenc->filename;
break;
}
case XVIDENC_VBR_PASS2:
{
xvid_plugin_2pass2_t xpass;
gst_xvid_init_struct (xpass);
xenc.plugins[0].func = xvid_plugin_2pass2;
xenc.plugins[0].param = &xpass;
xpass.bitrate = xvidenc->bitrate;
xpass.filename = xvidenc->filename;
xpass.keyframe_boost = xvidenc->keyframe_boost;
xpass.curve_compression_high = xvidenc->curve_compression_high;
xpass.curve_compression_low = xvidenc->curve_compression_low;
xpass.overflow_control_strength =
MAX (0, xvidenc->overflow_control_strength);
xpass.max_overflow_improvement =
MAX (0, xvidenc->max_overflow_improvement);
xpass.max_overflow_degradation =
MAX (0, xvidenc->max_overflow_degradation);
xpass.kfreduction = MAX (0, xvidenc->kfreduction);
xpass.kfthreshold = MAX (0, xvidenc->kfthreshold);
xpass.container_frame_overhead =
MAX (0, xvidenc->container_frame_overhead);
break;
}
}
if (xvidenc->lumimasking) {
xenc.plugins[1].func = xvid_plugin_lumimasking;
xenc.plugins[1].param = NULL;
xenc.num_plugins++;
}
if ((ret = xvid_encore (NULL, XVID_ENC_CREATE, &xenc, NULL)) < 0) {
GST_DEBUG_OBJECT (xvidenc, "Error setting up xvid encoder: %s (%d)",
gst_xvid_error (ret), ret);
return FALSE;
}
xvidenc->handle = xenc.handle;
return TRUE;
}
static GstFlowReturn
gst_xvidenc_chain (GstPad * pad, GstBuffer * buf)
{
GstXvidEnc *xvidenc = GST_XVIDENC (GST_PAD_PARENT (pad));
GstBuffer *outbuf;
xvid_enc_frame_t xframe;
const gint motion_presets[] = {
0, 0, 0, 0,
XVID_ME_HALFPELREFINE16,
XVID_ME_HALFPELREFINE16 | XVID_ME_ADVANCEDDIAMOND16,
XVID_ME_HALFPELREFINE16 | XVID_ME_EXTSEARCH16
| XVID_ME_HALFPELREFINE8 | XVID_ME_USESQUARES16
};
if (!xvidenc->handle) {
GST_ELEMENT_ERROR (xvidenc, CORE, NEGOTIATION, (NULL),
("format wasn't negotiated before chain function"));
gst_buffer_unref (buf);
return GST_FLOW_NOT_NEGOTIATED;
}
GST_DEBUG_OBJECT (xvidenc,
"Received buffer of time %" GST_TIME_FORMAT ", size %d",
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)), GST_BUFFER_SIZE (buf));
if (xvidenc->xframe_cache)
memcpy (&xframe, xvidenc->xframe_cache, sizeof (xframe));
else { /* need to build some inital xframe to be cached */
/* encode and so ... */
gst_xvid_init_struct (xframe);
if (xvidenc->par_width == xvidenc->par_height)
xframe.par = XVID_PAR_11_VGA;
else {
xframe.par = XVID_PAR_EXT;
xframe.par_width = xvidenc->par_width;
xframe.par_height = xvidenc->par_height;
}
/* handle options */
xframe.vol_flags |= xvidenc->quant_type;
xframe.vop_flags = XVID_VOP_HALFPEL;
xframe.motion = motion_presets[xvidenc->motion];
if (xvidenc->me_chroma) {
xframe.motion |= XVID_ME_CHROMA_PVOP;
xframe.motion |= XVID_ME_CHROMA_BVOP;
}
if (xvidenc->me_vhq >= 1) {
xframe.vop_flags |= XVID_VOP_MODEDECISION_RD;
}
if (xvidenc->me_vhq >= 2) {
xframe.motion |= XVID_ME_HALFPELREFINE16_RD;
xframe.motion |= XVID_ME_QUARTERPELREFINE16_RD;
}
if (xvidenc->me_vhq >= 3) {
xframe.motion |= XVID_ME_HALFPELREFINE8_RD;
xframe.motion |= XVID_ME_QUARTERPELREFINE8_RD;
xframe.motion |= XVID_ME_CHECKPREDICTION_RD;
}
if (xvidenc->me_vhq >= 4) {
xframe.motion |= XVID_ME_EXTSEARCH_RD;
}
/* no motion estimation, then only intra */
if (xvidenc->motion == 0) {
xframe.type = XVID_TYPE_IVOP;
} else {
xframe.type = XVID_TYPE_AUTO;
}
if (xvidenc->motion > 4) {
xframe.vop_flags |= XVID_VOP_INTER4V;
}
if (xvidenc->me_quarterpel) {
xframe.vol_flags |= XVID_VOL_QUARTERPEL;
xframe.motion |= XVID_ME_QUARTERPELREFINE16;
xframe.motion |= XVID_ME_QUARTERPELREFINE8;
}
if (xvidenc->gmc) {
xframe.vol_flags |= XVID_VOL_GMC;
xframe.motion |= XVID_ME_GME_REFINE;
}
if (xvidenc->interlaced) {
xframe.vol_flags |= XVID_VOL_INTERLACING;
}
if (xvidenc->trellis) {
xframe.vop_flags |= XVID_VOP_TRELLISQUANT;
}
if (xvidenc->hqacpred) {
xframe.vop_flags |= XVID_VOP_HQACPRED;
}
if (xvidenc->greyscale) {
xframe.vop_flags |= XVID_VOP_GREYSCALE;
}
if (xvidenc->cartoon) {
xframe.vop_flags |= XVID_VOP_CARTOON;
xframe.motion |= XVID_ME_DETECT_STATIC_MOTION;
}
xframe.bframe_threshold = xvidenc->bframe_threshold;
xframe.input.csp = xvidenc->csp;
/* save in cache */
xvidenc->xframe_cache = g_memdup (&xframe, sizeof (xframe));
}
outbuf = gst_xvidenc_encode (xvidenc, buf, xframe);
if (!outbuf) /* error or no data yet */
return GST_FLOW_OK;
/* go out, multiply! */
return gst_pad_push (xvidenc->srcpad, outbuf);
}
static gboolean
gst_xvidenc_setup (GstXvidEnc * xvidenc)
{
xvid_enc_create_t xenc;
xvid_enc_plugin_t xplugin[2];
gint ret;
/* see xvid.h for the meaning of all this. */
gst_xvid_init_struct (xenc);
xenc.profile = xvidenc->profile;
xenc.width = xvidenc->width;
xenc.height = xvidenc->height;
xenc.max_bframes = xvidenc->max_bframes;
xenc.global = XVID_GLOBAL_PACKED
| (xvidenc->closed_gop ? XVID_GLOBAL_CLOSED_GOP : 0);
xenc.bquant_ratio = xvidenc->bquant_ratio;
xenc.bquant_offset = xvidenc->bquant_offset;
xenc.fbase = xvidenc->fbase;
xenc.fincr = xvidenc->fincr;
xenc.max_key_interval = (xvidenc->max_key_interval < 0) ?
(-xvidenc->max_key_interval * xenc.fbase /
xenc.fincr) : xvidenc->max_key_interval;
xenc.handle = NULL;
/* quantizer ranges */
xenc.min_quant[0] = xvidenc->min_iquant;
xenc.min_quant[1] = xvidenc->min_pquant;
xenc.min_quant[2] = xvidenc->min_bquant;
xenc.max_quant[0] = xvidenc->max_iquant;
xenc.max_quant[1] = xvidenc->max_pquant;
xenc.max_quant[2] = xvidenc->max_bquant;
/* cbr, vbr or constant quantizer */
xenc.num_plugins = 1;
xenc.plugins = xplugin;
switch (xvidenc->pass) {
case XVIDENC_CBR:
case XVIDENC_QUANT:
{
xvid_plugin_single_t xsingle;
xvid_enc_zone_t xzone;
gst_xvid_init_struct (xsingle);
xenc.plugins[0].func = xvid_plugin_single;
xenc.plugins[0].param = &xsingle;
xsingle.bitrate = xvidenc->bitrate;
xsingle.reaction_delay_factor = MAX (0, xvidenc->reaction_delay_factor);
xsingle.averaging_period = MAX (0, xvidenc->averaging_period);
xsingle.buffer = MAX (0, xvidenc->buffer);
if (xvidenc->pass == XVIDENC_CBR)
break;
/* set up a const quantizer zone */
xzone.mode = XVID_ZONE_QUANT;
xzone.frame = 0;
xzone.increment = xvidenc->quant;
xzone.base = 1;
xenc.zones = &xzone;
xenc.num_zones++;
break;
}
case XVIDENC_VBR_PASS1:
{
xvid_plugin_2pass1_t xpass;
gst_xvid_init_struct (xpass);
xenc.plugins[0].func = xvid_plugin_2pass1;
xenc.plugins[0].param = &xpass;
xpass.filename = xvidenc->filename;
break;
}
case XVIDENC_VBR_PASS2:
{
xvid_plugin_2pass2_t xpass;
gst_xvid_init_struct (xpass);
xenc.plugins[0].func = xvid_plugin_2pass2;
xenc.plugins[0].param = &xpass;
xpass.bitrate = xvidenc->bitrate;
xpass.filename = xvidenc->filename;
xpass.keyframe_boost = xvidenc->keyframe_boost;
xpass.curve_compression_high = xvidenc->curve_compression_high;
xpass.curve_compression_low = xvidenc->curve_compression_low;
xpass.overflow_control_strength =
MAX (0, xvidenc->overflow_control_strength);
xpass.max_overflow_improvement =
MAX (0, xvidenc->max_overflow_improvement);
xpass.max_overflow_degradation =
MAX (0, xvidenc->max_overflow_degradation);
xpass.kfreduction = MAX (0, xvidenc->kfreduction);
xpass.kfthreshold = MAX (0, xvidenc->kfthreshold);
xpass.container_frame_overhead =
MAX (0, xvidenc->container_frame_overhead);
break;
}
}
if (xvidenc->lumimasking) {
xenc.plugins[1].func = xvid_plugin_lumimasking;
xenc.plugins[1].param = NULL;
xenc.num_plugins++;
}
if ((ret = xvid_encore (NULL, XVID_ENC_CREATE, &xenc, NULL)) < 0) {
GST_DEBUG_OBJECT (xvidenc, "Error setting up xvid encoder: %s (%d)",
gst_xvid_error (ret), ret);
return FALSE;
}
xvidenc->handle = xenc.handle;
return TRUE;
}
