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Code Issues 1 Projects Releases Wiki Activity

vp8enc: provide support for multiple pass cache files

Browse source 
Some files may provide different caps insight of one stream. Since vp8enc
support caps reinit, we should support cache reinit too.
If more then file cache file will be created, the naming will be:
cache
cache.1
cache.2
...

https://bugzilla.gnome.org/show_bug.cgi?id=747728
This commit is contained in:
Oleksij Rempel 2015-07-09 09:51:26 +02:00 committed by Tim-Philipp Müller
parent 23b5a34675
commit abc33c928f
2 changed files with 38 additions and 15 deletions
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51
ext/vpx/gstvp8enc.c
View file

@ -557,7 +557,9 @@ gst_vp8_enc_class_init (GstVP8EncClass * klass)
g_object_class_install_property (gobject_class, PROP_MULTIPASS_CACHE_FILE,
g_param_spec_string ("multipass-cache-file", "Multipass Cache File",
"Multipass cache file",
"Multipass cache file. "
"If stream caps reinited, multiple files will be created: "
"file, file.1, file.2, ... and so on.",
DEFAULT_MULTIPASS_CACHE_FILE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
@ -759,7 +761,9 @@ gst_vp8_enc_init (GstVP8Enc * gst_vp8_enc)
gst_vp8_enc->cfg.kf_mode = DEFAULT_KF_MODE;
gst_vp8_enc->cfg.kf_max_dist = DEFAULT_KF_MAX_DIST;
gst_vp8_enc->cfg.g_pass = DEFAULT_MULTIPASS_MODE;
gst_vp8_enc->multipass_cache_file = g_strdup (DEFAULT_MULTIPASS_CACHE_FILE);
gst_vp8_enc->multipass_cache_prefix = g_strdup (DEFAULT_MULTIPASS_CACHE_FILE);
gst_vp8_enc->multipass_cache_file = NULL;
gst_vp8_enc->multipass_cache_idx = 0;
gst_vp8_enc->cfg.ts_number_layers = DEFAULT_TS_NUMBER_LAYERS;
gst_vp8_enc->n_ts_target_bitrate = 0;
gst_vp8_enc->n_ts_rate_decimator = 0;
@ -801,8 +805,10 @@ gst_vp8_enc_finalize (GObject * object)
g_return_if_fail (GST_IS_VP8_ENC (object));
gst_vp8_enc = GST_VP8_ENC (object);
g_free (gst_vp8_enc->multipass_cache_prefix);
g_free (gst_vp8_enc->multipass_cache_file);
gst_vp8_enc->multipass_cache_file = NULL;
gst_vp8_enc->multipass_cache_idx = 0;
if (gst_vp8_enc->input_state)
gst_video_codec_state_unref (gst_vp8_enc->input_state);
@ -904,9 +910,9 @@ gst_vp8_enc_set_property (GObject * object, guint prop_id,
global = TRUE;
break;
case PROP_MULTIPASS_CACHE_FILE:
if (gst_vp8_enc->multipass_cache_file)
g_free (gst_vp8_enc->multipass_cache_file);
gst_vp8_enc->multipass_cache_file = g_value_dup_string (value);
if (gst_vp8_enc->multipass_cache_prefix)
g_free (gst_vp8_enc->multipass_cache_prefix);
gst_vp8_enc->multipass_cache_prefix = g_value_dup_string (value);
break;
case PROP_TS_NUMBER_LAYERS:
gst_vp8_enc->cfg.ts_number_layers = g_value_get_int (value);
@ -1264,7 +1270,7 @@ gst_vp8_enc_get_property (GObject * object, guint prop_id, GValue * value,
g_value_set_enum (value, gst_vp8_enc->cfg.g_pass);
break;
case PROP_MULTIPASS_CACHE_FILE:
g_value_set_string (value, gst_vp8_enc->multipass_cache_file);
g_value_set_string (value, gst_vp8_enc->multipass_cache_prefix);
break;
case PROP_TS_NUMBER_LAYERS:
g_value_set_int (value, gst_vp8_enc->cfg.ts_number_layers);
@ -1520,6 +1526,7 @@ gst_vp8_enc_set_format (GstVideoEncoder * video_encoder,
g_mutex_lock (&encoder->encoder_lock);
vpx_codec_destroy (&encoder->encoder);
encoder->inited = FALSE;
encoder->multipass_cache_idx++;
} else {
g_mutex_lock (&encoder->encoder_lock);
}
@ -1550,20 +1557,34 @@ gst_vp8_enc_set_format (GstVideoEncoder * video_encoder,
encoder->cfg.g_timebase.den = 90000;
}
if (encoder->cfg.g_pass == VPX_RC_FIRST_PASS) {
if (encoder->first_pass_cache_content == NULL) {
encoder->first_pass_cache_content = g_byte_array_sized_new (4096);
}
} else if (encoder->cfg.g_pass == VPX_RC_LAST_PASS) {
GError *err = NULL;
if (!encoder->multipass_cache_file) {
if (encoder->cfg.g_pass == VPX_RC_FIRST_PASS ||
encoder->cfg.g_pass == VPX_RC_LAST_PASS) {
if (!encoder->multipass_cache_prefix) {
GST_ELEMENT_ERROR (encoder, RESOURCE, OPEN_READ,
("No multipass cache file provided"), (NULL));
g_mutex_unlock (&encoder->encoder_lock);
return FALSE;
}
g_free (encoder->multipass_cache_file);
if (encoder->multipass_cache_idx > 0)
encoder->multipass_cache_file = g_strdup_printf ("%s.%u",
encoder->multipass_cache_prefix, encoder->multipass_cache_idx);
else
encoder->multipass_cache_file =
g_strdup (encoder->multipass_cache_prefix);
}
if (encoder->cfg.g_pass == VPX_RC_FIRST_PASS) {
if (encoder->first_pass_cache_content != NULL)
g_byte_array_free (encoder->first_pass_cache_content, TRUE);
encoder->first_pass_cache_content = g_byte_array_sized_new (4096);
} else if (encoder->cfg.g_pass == VPX_RC_LAST_PASS) {
GError *err = NULL;
if (encoder->cfg.rc_twopass_stats_in.buf != NULL) {
g_free (encoder->cfg.rc_twopass_stats_in.buf);
encoder->cfg.rc_twopass_stats_in.buf = NULL;

2
ext/vpx/gstvp8enc.h
View file

@ -73,6 +73,8 @@ struct _GstVP8Enc
gint n_ts_layer_id;
/* Global two-pass options */
gchar *multipass_cache_file;
gchar *multipass_cache_prefix;
guint multipass_cache_idx;
GByteArray *first_pass_cache_content;
/* Encode parameter */