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ext/x264/gstx264enc.c: Coding style and layout; re-order some functions in more typical and natural flow.

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Original commit message from CVS:
* ext/x264/gstx264enc.c: (gst_x264_enc_log_callback),
(gst_x264_enc_finalize), (gst_x264_enc_header_buf),
(gst_x264_enc_set_src_caps), (gst_x264_enc_sink_set_caps),
(gst_x264_enc_flush_frames):
Coding style and layout; re-order some functions in more
typical and natural flow.
This commit is contained in:
Mark Nauwelaerts 2008-08-08 15:07:12 +00:00
parent 624612a9ca
commit 3a22f6fa93
2 changed files with 361 additions and 353 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
2008-08-08 Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
* ext/x264/gstx264enc.c: (gst_x264_enc_log_callback),
(gst_x264_enc_finalize), (gst_x264_enc_header_buf),
(gst_x264_enc_set_src_caps), (gst_x264_enc_sink_set_caps),
(gst_x264_enc_flush_frames):
Coding style and layout; re-order some functions in more
typical and natural flow.
2008-08-08 Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
* ext/x264/Makefile.am:

705
ext/x264/gstx264enc.c
View file

@ -126,14 +126,13 @@ static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_STATIC_CAPS ("video/x-h264")
);
GST_BOILERPLATE (GstX264Enc, gst_x264_enc, GstElement, GST_TYPE_ELEMENT);
static void gst_x264_enc_finalize (GObject * object);
static void gst_x264_enc_reset (GstX264Enc * encoder);
static gboolean gst_x264_enc_init_encoder (GstX264Enc * encoder);
static void gst_x264_enc_close_encoder (GstX264Enc * encoder);
static gboolean gst_x264_enc_sink_set_caps (GstPad * pad, GstCaps * caps);
static gboolean gst_x264_enc_sink_event (GstPad * pad, GstEvent * event);
static GstFlowReturn gst_x264_enc_chain (GstPad * pad, GstBuffer * buf);
static void gst_x264_enc_flush_frames (GstX264Enc * encoder, gboolean send);
@ -147,6 +146,340 @@ static void gst_x264_enc_set_property (GObject * object, guint prop_id,
static void gst_x264_enc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
GST_BOILERPLATE (GstX264Enc, gst_x264_enc, GstElement, GST_TYPE_ELEMENT);
static void
gst_x264_enc_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details_simple (element_class,
"x264enc", "Codec/Encoder/Video", "H264 Encoder",
"Josef Zlomek <josef.zlomek@itonis.tv>");
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_factory));
}
static void
gst_x264_enc_class_init (GstX264EncClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gobject_class->set_property = gst_x264_enc_set_property;
gobject_class->get_property = gst_x264_enc_get_property;
gobject_class->finalize = gst_x264_enc_finalize;
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_x264_enc_change_state);
g_object_class_install_property (gobject_class, ARG_THREADS,
g_param_spec_uint ("threads", "Threads",
"Number of threads used by the codec", 1, 4, ARG_THREADS_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_PASS,
g_param_spec_uint ("pass", "Pass",
"Pass of multipass encoding (0=single pass; 1=first pass, 2=middle pass, 3=last pass)",
0, 3, ARG_PASS_DEFAULT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_STATS_FILE,
g_param_spec_string ("stats_file", "Stats File",
"Filename for multipass statistics", ARG_STATS_FILE_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_BYTE_STREAM,
g_param_spec_boolean ("byte_stream", "Byte Stream",
"Generate byte stream format of NALU", ARG_BYTE_STREAM_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_BITRATE,
g_param_spec_uint ("bitrate", "Bitrate", "Bitrate in kbit/sec", 1,
100 * 1024, ARG_BITRATE_DEFAULT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_VBV_BUF_CAPACITY,
g_param_spec_uint ("vbv_buf_capacity", "VBV buffer capacity",
"Size of the VBV buffer in milliseconds", 300,
10000, ARG_VBV_BUF_CAPACITY_DEFAULT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_ME,
g_param_spec_enum ("me", "Motion Estimation",
"Integer pixel motion estimation method", GST_X264_ENC_ME_TYPE,
ARG_ME_DEFAULT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_SUBME,
g_param_spec_uint ("subme", "Subpixel Motion Estimation",
"Subpixel motion estimation and partition decision quality: 1=fast, 6=best",
1, 6, ARG_SUBME_DEFAULT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_ANALYSE,
g_param_spec_flags ("analyse", "Analyse", "Partitions to consider",
GST_X264_ENC_ANALYSE_TYPE, ARG_ANALYSE_DEFAULT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_DCT8x8,
g_param_spec_boolean ("dct8x8", "DCT8x8",
"Adaptive spatial transform size", ARG_DCT8x8_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_REF,
g_param_spec_uint ("ref", "Reference Frames",
"Number of reference frames", 1, 12, ARG_REF_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_BFRAMES,
g_param_spec_uint ("bframes", "B-Frames",
"Number of B-frames between I and P", 0, 4, ARG_BFRAMES_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_B_PYRAMID,
g_param_spec_boolean ("b_pyramid", "B-Pyramid",
"Keep some B-frames as references", ARG_B_PYRAMID_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_WEIGHTB,
g_param_spec_boolean ("weightb", "Weighted B-Frames",
"Weighted prediction for B-frames", ARG_WEIGHTB_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_SPS_ID,
g_param_spec_uint ("sps_id", "SPS ID",
"SPS and PPS ID number", 0, 31, ARG_SPS_ID_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_TRELLIS,
g_param_spec_boolean ("trellis", "Trellis quantization",
"Enable trellis searched quantization", ARG_TRELLIS_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_KEYINT_MAX,
g_param_spec_uint ("key_int_max", "Key-frame maximal interval",
"Maximal distance between two key-frames (0 for automatic)", 0,
G_MAXINT, ARG_KEYINT_MAX_DEFAULT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_CABAC,
g_param_spec_boolean ("cabac", "Use CABAC",
"Enable CABAC entropy coding", ARG_CABAC_DEFAULT, G_PARAM_READWRITE));
}
void
gst_x264_enc_log_callback (gpointer private, gint level, const char *format,
va_list args)
{
GstDebugLevel gst_level;
GObject *object = (GObject *) private;
switch (level) {
case X264_LOG_NONE:
gst_level = GST_LEVEL_NONE;
break;
case X264_LOG_ERROR:
gst_level = GST_LEVEL_ERROR;
break;
case X264_LOG_WARNING:
gst_level = GST_LEVEL_WARNING;
break;
case X264_LOG_INFO:
gst_level = GST_LEVEL_INFO;
break;
default:
/* push x264enc debug down to our lower levels to avoid some clutter */
gst_level = GST_LEVEL_LOG;
break;
}
gst_debug_log_valist (x264_enc_debug, gst_level, "", "", 0, object, format,
args);
}
/* initialize the new element
* instantiate pads and add them to element
* set functions
* initialize structure
*/
static void
gst_x264_enc_init (GstX264Enc * encoder, GstX264EncClass * klass)
{
encoder->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
gst_pad_set_setcaps_function (encoder->sinkpad,
GST_DEBUG_FUNCPTR (gst_x264_enc_sink_set_caps));
gst_pad_set_event_function (encoder->sinkpad,
GST_DEBUG_FUNCPTR (gst_x264_enc_sink_event));
gst_pad_set_chain_function (encoder->sinkpad,
GST_DEBUG_FUNCPTR (gst_x264_enc_chain));
gst_element_add_pad (GST_ELEMENT (encoder), encoder->sinkpad);
encoder->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
gst_pad_use_fixed_caps (encoder->srcpad);
gst_element_add_pad (GST_ELEMENT (encoder), encoder->srcpad);
/* properties */
encoder->threads = ARG_THREADS_DEFAULT;
encoder->pass = ARG_PASS_DEFAULT;
encoder->stats_file = g_strdup (ARG_STATS_FILE_DEFAULT);
encoder->byte_stream = ARG_BYTE_STREAM_DEFAULT;
encoder->bitrate = ARG_BITRATE_DEFAULT;
encoder->vbv_buf_capacity = ARG_VBV_BUF_CAPACITY_DEFAULT;
encoder->me = ARG_ME_DEFAULT;
encoder->subme = ARG_SUBME_DEFAULT;
encoder->analyse = ARG_ANALYSE_DEFAULT;
encoder->dct8x8 = ARG_DCT8x8_DEFAULT;
encoder->ref = ARG_REF_DEFAULT;
encoder->bframes = ARG_BFRAMES_DEFAULT;
encoder->b_pyramid = ARG_B_PYRAMID_DEFAULT;
encoder->weightb = ARG_WEIGHTB_DEFAULT;
encoder->sps_id = ARG_SPS_ID_DEFAULT;
encoder->trellis = ARG_TRELLIS_DEFAULT;
encoder->keyint_max = ARG_KEYINT_MAX_DEFAULT;
encoder->cabac = ARG_CABAC_DEFAULT;
/* resources */
encoder->delay = g_queue_new ();
encoder->buffer_size = 1040000;
encoder->buffer = g_malloc (encoder->buffer_size);
x264_param_default (&encoder->x264param);
/* log callback setup; part of parameters */
encoder->x264param.pf_log = GST_DEBUG_FUNCPTR (gst_x264_enc_log_callback);
encoder->x264param.p_log_private = encoder;
encoder->x264param.i_log_level = X264_LOG_DEBUG;
gst_x264_enc_reset (encoder);
}
static void
gst_x264_enc_reset (GstX264Enc * encoder)
{
encoder->x264enc = NULL;
encoder->width = 0;
encoder->height = 0;
encoder->last_timestamp = GST_CLOCK_TIME_NONE;
}
static void
gst_x264_enc_finalize (GObject * object)
{
GstX264Enc *encoder = GST_X264_ENC (object);
g_free (encoder->stats_file);
encoder->stats_file = NULL;
g_free (encoder->buffer);
encoder->buffer = NULL;
g_queue_free (encoder->delay);
encoder->delay = NULL;
gst_x264_enc_close_encoder (encoder);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
/*
* gst_x264_enc_init_encoder
* @encoder: Encoder which should be initialized.
*
* Initialize x264 encoder.
*
*/
static gboolean
gst_x264_enc_init_encoder (GstX264Enc * encoder)
{
/* make sure that the encoder is closed */
gst_x264_enc_close_encoder (encoder);
/* set up encoder parameters */
encoder->x264param.i_threads = encoder->threads;
encoder->x264param.i_fps_num = encoder->fps_num;
encoder->x264param.i_fps_den = encoder->fps_den;
encoder->x264param.i_width = encoder->width;
encoder->x264param.i_height = encoder->height;
if (encoder->par_den > 0) {
encoder->x264param.vui.i_sar_width = encoder->par_num;
encoder->x264param.vui.i_sar_height = encoder->par_den;
}
encoder->x264param.i_keyint_max = encoder->keyint_max ? encoder->keyint_max :
(2 * encoder->fps_num / encoder->fps_den);
encoder->x264param.b_cabac = encoder->cabac;
encoder->x264param.b_aud = 1;
encoder->x264param.i_sps_id = encoder->sps_id;
if ((((encoder->height == 576) && ((encoder->width == 720)
|| (encoder->width == 704) || (encoder->width == 352)))
|| ((encoder->height == 288) && (encoder->width == 352)))
&& (encoder->fps_den == 1) && (encoder->fps_num == 25)) {
encoder->x264param.vui.i_vidformat = 1; /* PAL */
} else if ((((encoder->height == 480) && ((encoder->width == 720)
|| (encoder->width == 704) || (encoder->width == 352)))
|| ((encoder->height == 240) && (encoder->width == 352)))
&& (encoder->fps_den == 1001) && ((encoder->fps_num == 30000)
|| (encoder->fps_num == 24000))) {
encoder->x264param.vui.i_vidformat = 2; /* NTSC */
} else
encoder->x264param.vui.i_vidformat = 5; /* unspecified */
encoder->x264param.analyse.i_trellis = encoder->trellis ? 1 : 0;
encoder->x264param.analyse.b_psnr = 0;
/*encoder->x264param.analyse.b_ssim = 0; */
encoder->x264param.analyse.i_me_method = encoder->me;
encoder->x264param.analyse.i_subpel_refine = encoder->subme;
encoder->x264param.analyse.inter = encoder->analyse;
encoder->x264param.analyse.b_transform_8x8 = encoder->dct8x8;
encoder->x264param.analyse.b_weighted_bipred = encoder->weightb;
/*encoder->x264param.analyse.i_noise_reduction = 600; */
encoder->x264param.i_frame_reference = encoder->ref;
encoder->x264param.i_bframe = encoder->bframes;
encoder->x264param.b_bframe_pyramid = encoder->b_pyramid;
encoder->x264param.b_bframe_adaptive = 0;
encoder->x264param.b_deblocking_filter = 1;
encoder->x264param.i_deblocking_filter_alphac0 = 0;
encoder->x264param.i_deblocking_filter_beta = 0;
#ifdef X264_RC_ABR
encoder->x264param.rc.i_rc_method = X264_RC_ABR;
#endif
encoder->x264param.rc.i_bitrate = encoder->bitrate;
encoder->x264param.rc.i_vbv_max_bitrate = encoder->bitrate;
encoder->x264param.rc.i_vbv_buffer_size
= encoder->x264param.rc.i_vbv_max_bitrate
* encoder->vbv_buf_capacity / 1000;
switch (encoder->pass) {
case 0:
encoder->x264param.rc.b_stat_read = 0;
encoder->x264param.rc.b_stat_write = 0;
break;
case 1:
/* Turbo mode parameters. */
encoder->x264param.i_frame_reference = (encoder->ref + 1) >> 1;
encoder->x264param.analyse.i_subpel_refine =
CLAMP (encoder->subme - 1, 1, 3);
encoder->x264param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
encoder->x264param.analyse.inter &= ~X264_ANALYSE_BSUB16x16;
encoder->x264param.analyse.i_trellis = 0;
encoder->x264param.rc.b_stat_read = 0;
encoder->x264param.rc.b_stat_write = 1;
break;
case 2:
encoder->x264param.rc.b_stat_read = 1;
encoder->x264param.rc.b_stat_write = 1;
break;
case 3:
encoder->x264param.rc.b_stat_read = 1;
encoder->x264param.rc.b_stat_write = 0;
break;
}
encoder->x264param.rc.psz_stat_in = encoder->stats_file;
encoder->x264param.rc.psz_stat_out = encoder->stats_file;
encoder->x264enc = x264_encoder_open (&encoder->x264param);
if (!encoder->x264enc) {
GST_ELEMENT_ERROR (encoder, STREAM, ENCODE,
("Can not initialize x264 encoder."), (""));
return FALSE;
}
return TRUE;
}
/* gst_x264_enc_close_encoder
* @encoder: Encoder which should close.
*
* Close x264 encoder.
*/
static void
gst_x264_enc_close_encoder (GstX264Enc * encoder)
{
if (encoder->x264enc != NULL) {
x264_encoder_close (encoder->x264enc);
encoder->x264enc = NULL;
}
}
/*
* Returns: Buffer with the stream headers.
@ -313,356 +646,6 @@ gst_x264_enc_sink_set_caps (GstPad * pad, GstCaps * caps)
return TRUE;
}
static void
gst_x264_enc_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details_simple (element_class,
"x264enc", "Codec/Encoder/Video", "H264 Encoder",
"Josef Zlomek <josef.zlomek@itonis.tv>");
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_factory));
}
static void
gst_x264_enc_class_init (GstX264EncClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gobject_class->set_property = gst_x264_enc_set_property;
gobject_class->get_property = gst_x264_enc_get_property;
gobject_class->finalize = gst_x264_enc_finalize;
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_x264_enc_change_state);
g_object_class_install_property (gobject_class, ARG_THREADS,
g_param_spec_uint ("threads", "Threads",
"Number of threads used by the codec", 1, 4, ARG_THREADS_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_PASS,
g_param_spec_uint ("pass", "Pass",
"Pass of multipass encoding (0=single pass; 1=first pass, 2=middle pass, 3=last pass)",
0, 3, ARG_PASS_DEFAULT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_STATS_FILE,
g_param_spec_string ("stats_file", "Stats File",
"Filename for multipass statistics", ARG_STATS_FILE_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_BYTE_STREAM,
g_param_spec_boolean ("byte_stream", "Byte Stream",
"Generate byte stream format of NALU", ARG_BYTE_STREAM_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_BITRATE,
g_param_spec_uint ("bitrate", "Bitrate", "Bitrate in kbit/sec", 1,
100 * 1024, ARG_BITRATE_DEFAULT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_VBV_BUF_CAPACITY,
g_param_spec_uint ("vbv_buf_capacity", "VBV buffer capacity",
"Size of the VBV buffer in milliseconds", 300,
10000, ARG_VBV_BUF_CAPACITY_DEFAULT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_ME,
g_param_spec_enum ("me", "Motion Estimation",
"Integer pixel motion estimation method", GST_X264_ENC_ME_TYPE,
ARG_ME_DEFAULT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_SUBME,
g_param_spec_uint ("subme", "Subpixel Motion Estimation",
"Subpixel motion estimation and partition decision quality: 1=fast, 6=best",
1, 6, ARG_SUBME_DEFAULT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_ANALYSE,
g_param_spec_flags ("analyse", "Analyse", "Partitions to consider",
GST_X264_ENC_ANALYSE_TYPE, ARG_ANALYSE_DEFAULT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_DCT8x8,
g_param_spec_boolean ("dct8x8", "DCT8x8",
"Adaptive spatial transform size", ARG_DCT8x8_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_REF,
g_param_spec_uint ("ref", "Reference Frames",
"Number of reference frames", 1, 12, ARG_REF_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_BFRAMES,
g_param_spec_uint ("bframes", "B-Frames",
"Number of B-frames between I and P", 0, 4, ARG_BFRAMES_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_B_PYRAMID,
g_param_spec_boolean ("b_pyramid", "B-Pyramid",
"Keep some B-frames as references", ARG_B_PYRAMID_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_WEIGHTB,
g_param_spec_boolean ("weightb", "Weighted B-Frames",
"Weighted prediction for B-frames", ARG_WEIGHTB_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_SPS_ID,
g_param_spec_uint ("sps_id", "SPS ID",
"SPS and PPS ID number", 0, 31, ARG_SPS_ID_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_TRELLIS,
g_param_spec_boolean ("trellis", "Trellis quantization",
"Enable trellis searched quantization", ARG_TRELLIS_DEFAULT,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_KEYINT_MAX,
g_param_spec_uint ("key_int_max", "Key-frame maximal interval",
"Maximal distance between two key-frames (0 for automatic)", 0,
G_MAXINT, ARG_KEYINT_MAX_DEFAULT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_CABAC,
g_param_spec_boolean ("cabac", "Use CABAC",
"Enable CABAC entropy coding", ARG_CABAC_DEFAULT, G_PARAM_READWRITE));
}
void
gst_x264_enc_log_callback (gpointer private, gint level, const char *format,
va_list args)
{
GstDebugLevel gst_level;
GObject *object = (GObject *) private;
switch (level) {
case X264_LOG_NONE:
gst_level = GST_LEVEL_NONE;
break;
case X264_LOG_ERROR:
gst_level = GST_LEVEL_ERROR;
break;
case X264_LOG_WARNING:
gst_level = GST_LEVEL_WARNING;
break;
case X264_LOG_INFO:
gst_level = GST_LEVEL_INFO;
break;
/* push x264enc debug down to our lower levels to avoid some clutter */
default:
gst_level = GST_LEVEL_LOG;
break;
}
gst_debug_log_valist (x264_enc_debug, gst_level, "", "", 0, object, format,
args);
}
/* initialize the new element
* instantiate pads and add them to element
* set functions
* initialize structure
*/
static void
gst_x264_enc_init (GstX264Enc * encoder, GstX264EncClass * klass)
{
encoder->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
gst_pad_set_setcaps_function (encoder->sinkpad,
GST_DEBUG_FUNCPTR (gst_x264_enc_sink_set_caps));
gst_pad_set_event_function (encoder->sinkpad,
GST_DEBUG_FUNCPTR (gst_x264_enc_sink_event));
gst_pad_set_chain_function (encoder->sinkpad,
GST_DEBUG_FUNCPTR (gst_x264_enc_chain));
gst_element_add_pad (GST_ELEMENT (encoder), encoder->sinkpad);
encoder->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
gst_pad_use_fixed_caps (encoder->srcpad);
gst_element_add_pad (GST_ELEMENT (encoder), encoder->srcpad);
/* properties */
encoder->threads = ARG_THREADS_DEFAULT;
encoder->pass = ARG_PASS_DEFAULT;
encoder->stats_file = g_strdup (ARG_STATS_FILE_DEFAULT);
encoder->byte_stream = ARG_BYTE_STREAM_DEFAULT;
encoder->bitrate = ARG_BITRATE_DEFAULT;
encoder->vbv_buf_capacity = ARG_VBV_BUF_CAPACITY_DEFAULT;
encoder->me = ARG_ME_DEFAULT;
encoder->subme = ARG_SUBME_DEFAULT;
encoder->analyse = ARG_ANALYSE_DEFAULT;
encoder->dct8x8 = ARG_DCT8x8_DEFAULT;
encoder->ref = ARG_REF_DEFAULT;
encoder->bframes = ARG_BFRAMES_DEFAULT;
encoder->b_pyramid = ARG_B_PYRAMID_DEFAULT;
encoder->weightb = ARG_WEIGHTB_DEFAULT;
encoder->sps_id = ARG_SPS_ID_DEFAULT;
encoder->trellis = ARG_TRELLIS_DEFAULT;
encoder->keyint_max = ARG_KEYINT_MAX_DEFAULT;
encoder->cabac = ARG_CABAC_DEFAULT;
/* resources */
encoder->delay = g_queue_new ();
encoder->buffer_size = 1040000;
encoder->buffer = g_malloc (encoder->buffer_size);
x264_param_default (&encoder->x264param);
/* log callback setup; part of parameters */
encoder->x264param.pf_log = GST_DEBUG_FUNCPTR (gst_x264_enc_log_callback);
encoder->x264param.p_log_private = encoder;
encoder->x264param.i_log_level = X264_LOG_DEBUG;
gst_x264_enc_reset (encoder);
}
static void
gst_x264_enc_reset (GstX264Enc * encoder)
{
encoder->x264enc = NULL;
encoder->width = 0;
encoder->height = 0;
encoder->last_timestamp = GST_CLOCK_TIME_NONE;
}
/*
* gst_x264_enc_init_encoder
* @encoder: Encoder which should be initialized.
*
* Initialize x264 encoder.
*
*/
static gboolean
gst_x264_enc_init_encoder (GstX264Enc * encoder)
{
/* make sure that the encoder is closed */
gst_x264_enc_close_encoder (encoder);
/* set up encoder parameters */
encoder->x264param.i_threads = encoder->threads;
encoder->x264param.i_fps_num = encoder->fps_num;
encoder->x264param.i_fps_den = encoder->fps_den;
encoder->x264param.i_width = encoder->width;
encoder->x264param.i_height = encoder->height;
if (encoder->par_den > 0) {
encoder->x264param.vui.i_sar_width = encoder->par_num;
encoder->x264param.vui.i_sar_height = encoder->par_den;
}
encoder->x264param.i_keyint_max = encoder->keyint_max ? encoder->keyint_max :
(2 * encoder->fps_num / encoder->fps_den);
encoder->x264param.b_cabac = encoder->cabac;
encoder->x264param.b_aud = 1;
encoder->x264param.i_sps_id = encoder->sps_id;
if ((((encoder->height == 576) && ((encoder->width == 720)
|| (encoder->width == 704) || (encoder->width == 352)))
|| ((encoder->height == 288) && (encoder->width == 352)))
&& (encoder->fps_den == 1) && (encoder->fps_num == 25)) {
encoder->x264param.vui.i_vidformat = 1; /* PAL */
} else if ((((encoder->height == 480) && ((encoder->width == 720)
|| (encoder->width == 704) || (encoder->width == 352)))
|| ((encoder->height == 240) && (encoder->width == 352)))
&& (encoder->fps_den == 1001) && ((encoder->fps_num == 30000)
|| (encoder->fps_num == 24000))) {
encoder->x264param.vui.i_vidformat = 2; /* NTSC */
} else
encoder->x264param.vui.i_vidformat = 5; /* unspecified */
encoder->x264param.analyse.i_trellis = encoder->trellis ? 1 : 0;
encoder->x264param.analyse.b_psnr = 0;
/*encoder->x264param.analyse.b_ssim = 0; */
encoder->x264param.analyse.i_me_method = encoder->me;
encoder->x264param.analyse.i_subpel_refine = encoder->subme;
encoder->x264param.analyse.inter = encoder->analyse;
encoder->x264param.analyse.b_transform_8x8 = encoder->dct8x8;
encoder->x264param.analyse.b_weighted_bipred = encoder->weightb;
/*encoder->x264param.analyse.i_noise_reduction = 600; */
encoder->x264param.i_frame_reference = encoder->ref;
encoder->x264param.i_bframe = encoder->bframes;
encoder->x264param.b_bframe_pyramid = encoder->b_pyramid;
encoder->x264param.b_bframe_adaptive = 0;
encoder->x264param.b_deblocking_filter = 1;
encoder->x264param.i_deblocking_filter_alphac0 = 0;
encoder->x264param.i_deblocking_filter_beta = 0;
#ifdef X264_RC_ABR
encoder->x264param.rc.i_rc_method = X264_RC_ABR;
#endif
encoder->x264param.rc.i_bitrate = encoder->bitrate;
encoder->x264param.rc.i_vbv_max_bitrate = encoder->bitrate;
encoder->x264param.rc.i_vbv_buffer_size
= encoder->x264param.rc.i_vbv_max_bitrate
* encoder->vbv_buf_capacity / 1000;
switch (encoder->pass) {
case 0:
encoder->x264param.rc.b_stat_read = 0;
encoder->x264param.rc.b_stat_write = 0;
break;
case 1:
/* Turbo mode parameters. */
encoder->x264param.i_frame_reference = (encoder->ref + 1) >> 1;
encoder->x264param.analyse.i_subpel_refine =
CLAMP (encoder->subme - 1, 1, 3);
encoder->x264param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
encoder->x264param.analyse.inter &= ~X264_ANALYSE_BSUB16x16;
encoder->x264param.analyse.i_trellis = 0;
encoder->x264param.rc.b_stat_read = 0;
encoder->x264param.rc.b_stat_write = 1;
break;
case 2:
encoder->x264param.rc.b_stat_read = 1;
encoder->x264param.rc.b_stat_write = 1;
break;
case 3:
encoder->x264param.rc.b_stat_read = 1;
encoder->x264param.rc.b_stat_write = 0;
break;
}
encoder->x264param.rc.psz_stat_in = encoder->stats_file;
encoder->x264param.rc.psz_stat_out = encoder->stats_file;
encoder->x264enc = x264_encoder_open (&encoder->x264param);
if (!encoder->x264enc) {
GST_ELEMENT_ERROR (encoder, STREAM, ENCODE,
("Can not initialize x264 encoder."), (""));
return FALSE;
}
return TRUE;
}
/* gst_x264_enc_close_encoder
* @encoder: Encoder which should close.
*
* Close x264 encoder.
*/
static void
gst_x264_enc_close_encoder (GstX264Enc * encoder)
{
if (encoder->x264enc != NULL) {
x264_encoder_close (encoder->x264enc);
encoder->x264enc = NULL;
}
}
static void
gst_x264_enc_finalize (GObject * object)
{
GstX264Enc *encoder = GST_X264_ENC (object);
g_free (encoder->stats_file);
encoder->stats_file = NULL;
g_free (encoder->buffer);
encoder->buffer = NULL;
g_queue_free (encoder->delay);
encoder->delay = NULL;
gst_x264_enc_close_encoder (encoder);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_x264_enc_flush_frames (GstX264Enc * encoder, gboolean send)
{
GstFlowReturn flow_ret;
gint i_nal;
/* first send the remaining frames */
if (encoder->x264enc)
do {
flow_ret = gst_x264_enc_encode_frame (encoder, NULL, &i_nal, send);
} while (flow_ret == GST_FLOW_OK && i_nal > 0);
/* in any case, make sure the delay queue is emptied */
while (!g_queue_is_empty (encoder->delay))
gst_buffer_unref (g_queue_pop_head (encoder->delay));
}
static gboolean
gst_x264_enc_sink_event (GstPad * pad, GstEvent * event)
{
@ -690,7 +673,6 @@ gst_x264_enc_sink_event (GstPad * pad, GstEvent * event)
/* chain function
* this function does the actual processing
*/
static GstFlowReturn
gst_x264_enc_chain (GstPad * pad, GstBuffer * buf)
{
@ -855,6 +837,23 @@ gst_x264_enc_encode_frame (GstX264Enc * encoder, x264_picture_t * pic_in,
return gst_pad_push (encoder->srcpad, out_buf);
}
static void
gst_x264_enc_flush_frames (GstX264Enc * encoder, gboolean send)
{
GstFlowReturn flow_ret;
gint i_nal;
/* first send the remaining frames */
if (encoder->x264enc)
do {
flow_ret = gst_x264_enc_encode_frame (encoder, NULL, &i_nal, send);
} while (flow_ret == GST_FLOW_OK && i_nal > 0);
/* in any case, make sure the delay queue is emptied */
while (!g_queue_is_empty (encoder->delay))
gst_buffer_unref (g_queue_pop_head (encoder->delay));
}
static GstStateChangeReturn
gst_x264_enc_change_state (GstElement * element, GstStateChange transition)
{