diff options
Diffstat (limited to 'ext/mpeg2enc/gstmpeg2encoptions.cc')
| -rw-r--r-- | ext/mpeg2enc/gstmpeg2encoptions.cc | 58 |
1 files changed, 41 insertions, 17 deletions
diff --git a/ext/mpeg2enc/gstmpeg2encoptions.cc b/ext/mpeg2enc/gstmpeg2encoptions.cc index 0d48ed29..4635b81e 100644 --- a/ext/mpeg2enc/gstmpeg2encoptions.cc +++ b/ext/mpeg2enc/gstmpeg2encoptions.cc @@ -64,14 +64,20 @@ enum ARG_DUMMY_SVCD_SOF, ARG_CORRECT_SVCD_HDS, ARG_ALTSCAN_MPEG2, - ARG_CONSTRAINTS + ARG_CONSTRAINTS, + ARG_DUALPRIME_MPEG2 /* FILL ME */ }; +/* MPEG1 VCD bitrate is used as default (also by mpeg2enc) */ +#define DEFAULT_BITRATE 1125 + /* * Property enumeration types. */ +/* FIXME: nick/name perhaps to be reversed (?) */ + #define GST_TYPE_MPEG2ENC_FORMAT \ (gst_mpeg2enc_format_get_type ()) @@ -276,6 +282,9 @@ MPEG2EncOptions () num_cpus = 1; if (num_cpus > 32) num_cpus = 32; + + /* set some default(s) not set in base class */ + bitrate = DEFAULT_BITRATE * 1024; } /* @@ -306,7 +315,7 @@ GstMpeg2EncOptions::initProperties (GObjectClass * klass) /* general encoding stream options */ g_object_class_install_property (klass, ARG_BITRATE, g_param_spec_int ("bitrate", "Bitrate", "Compressed video bitrate (kbps)", - 0, 10 * 1024, 1125, (GParamFlags) G_PARAM_READWRITE)); + 0, 10 * 1024, DEFAULT_BITRATE, (GParamFlags) G_PARAM_READWRITE)); g_object_class_install_property (klass, ARG_NONVIDEO_BITRATE, g_param_spec_int ("non-video-bitrate", "Non-video bitrate", "Assumed bitrate of non-video for sequence splitting (kbps)", @@ -346,11 +355,11 @@ GstMpeg2EncOptions::initProperties (GObjectClass * klass) g_object_class_install_property (klass, ARG_MIN_GOP_SIZE, g_param_spec_int ("min-gop-size", "Min. GOP size", "Minimal size per Group-of-Pictures (-1=default)", - -1, 250, 0, (GParamFlags) G_PARAM_READWRITE)); + -1, 250, -1, (GParamFlags) G_PARAM_READWRITE)); g_object_class_install_property (klass, ARG_MAX_GOP_SIZE, g_param_spec_int ("max-gop-size", "Max. GOP size", "Maximal size per Group-of-Pictures (-1=default)", - -1, 250, 0, (GParamFlags) G_PARAM_READWRITE)); + -1, 250, -1, (GParamFlags) G_PARAM_READWRITE)); g_object_class_install_property (klass, ARG_CLOSED_GOP, g_param_spec_boolean ("closed-gop", "Closed GOP", "All Group-of-Pictures are closed (for multi-angle DVDs)", @@ -362,7 +371,7 @@ GstMpeg2EncOptions::initProperties (GObjectClass * klass) g_object_class_install_property (klass, ARG_B_PER_REFFRAME, g_param_spec_int ("b-per-refframe", "B per ref. frame", "Number of B frames between each I/P frame", - 0, 2, 2, (GParamFlags) G_PARAM_READWRITE)); + 0, 2, 0, (GParamFlags) G_PARAM_READWRITE)); /* quantisation options */ g_object_class_install_property (klass, ARG_QUANTISATION_REDUCTION, @@ -372,12 +381,12 @@ GstMpeg2EncOptions::initProperties (GObjectClass * klass) g_object_class_install_property (klass, ARG_QUANT_REDUCTION_MAX_VAR, g_param_spec_float ("quant-reduction-max-var", "Max. quant. reduction variance", - "Maximal luma variance below which quantisation boost is used", 0., - 2500., 0., (GParamFlags) G_PARAM_READWRITE)); + "Maximal luma variance below which quantisation boost is used", + 0., 2500., 100., (GParamFlags) G_PARAM_READWRITE)); g_object_class_install_property (klass, ARG_INTRA_DC_PRECISION, g_param_spec_int ("intra-dc-prec", "Intra. DC precision", - "Number of bits precision for DC (base colour) in MPEG-2 blocks", 8, - 11, 9, (GParamFlags) G_PARAM_READWRITE)); + "Number of bits precision for DC (base colour) in MPEG-2 blocks", + 8, 11, 9, (GParamFlags) G_PARAM_READWRITE)); g_object_class_install_property (klass, ARG_REDUCE_HF, g_param_spec_float ("reduce-hf", "Reduce HF", "How much to reduce high-frequency resolution (by increasing quantisation)", @@ -395,7 +404,7 @@ GstMpeg2EncOptions::initProperties (GObjectClass * klass) /* general options */ g_object_class_install_property (klass, ARG_BUFSIZE, g_param_spec_int ("bufsize", "Decoder buf. size", - "Target decoders video buffer size (kB)", + "Target decoders video buffer size (kB) (default depends on format)", 20, 4000, 46, (GParamFlags) G_PARAM_READWRITE)); /* header flag settings */ @@ -434,14 +443,19 @@ GstMpeg2EncOptions::initProperties (GObjectClass * klass) "Alternate MPEG-2 block scanning. Disabling this might " "make buggy players play SVCD streams", TRUE, (GParamFlags) G_PARAM_READWRITE)); -#if 0 - "--dxr2-hack" -#endif - /* dangerous/experimental stuff */ - g_object_class_install_property (klass, ARG_CONSTRAINTS, + + /* dangerous/experimental stuff */ + g_object_class_install_property (klass, ARG_CONSTRAINTS, g_param_spec_boolean ("constraints", "Constraints", "Use strict video resolution and bitrate checks", TRUE, (GParamFlags) G_PARAM_READWRITE)); +#ifdef GST_MJPEGTOOLS_18x + g_object_class_install_property (klass, ARG_DUALPRIME_MPEG2, + g_param_spec_boolean ("dualprime", "Dual Prime Motion Estimation", + "Dual Prime Motion Estimation Mode for MPEG-2 I/P-frame only " + "streams. Quite some players do not support this.", + FALSE, (GParamFlags) G_PARAM_READWRITE)); +#endif } /* @@ -510,7 +524,7 @@ GstMpeg2EncOptions::getProperty (guint prop_id, GValue * value) g_value_set_float (value, boost_var_ceil); break; case ARG_INTRA_DC_PRECISION: - g_value_set_int (value, mpeg2_dc_prec - 8); + g_value_set_int (value, mpeg2_dc_prec + 8); break; case ARG_REDUCE_HF: g_value_set_float (value, hf_q_boost); @@ -564,6 +578,11 @@ GstMpeg2EncOptions::getProperty (guint prop_id, GValue * value) case ARG_CONSTRAINTS: g_value_set_boolean (value, !ignore_constraints); break; +#ifdef GST_MJPEGTOOLS_18x + case ARG_DUALPRIME_MPEG2: + g_value_set_boolean (value, hack_dualprime); + break; +#endif default: break; } @@ -631,7 +650,7 @@ GstMpeg2EncOptions::setProperty (guint prop_id, const GValue * value) boost_var_ceil = g_value_get_float (value); break; case ARG_INTRA_DC_PRECISION: - mpeg2_dc_prec = g_value_get_int (value) + 8; + mpeg2_dc_prec = g_value_get_int (value) - 8; break; case ARG_REDUCE_HF: hf_q_boost = g_value_get_float (value); @@ -688,6 +707,11 @@ GstMpeg2EncOptions::setProperty (guint prop_id, const GValue * value) case ARG_CONSTRAINTS: ignore_constraints = !g_value_get_boolean (value); break; +#ifdef GST_MJPEGTOOLS_18x + case ARG_DUALPRIME_MPEG2: + hack_dualprime = g_value_get_boolean (value); + break; +#endif default: break; } |