mpegvideoparser

mpegvideoparser

Functions

Types and Values

Includes

#include <gst/codecparsers/gstmpegvideoparser.h>

Description

Functions

gst_mpeg_video_parse ()

GList *
gst_mpeg_video_parse (const guint8 *data,
                      gsize size,
                      guint offset);

gst_mpeg_video_parse_sequence_header ()

gboolean
gst_mpeg_video_parse_sequence_header (GstMpegVideoSequenceHdr *params,
                                      const guint8 *data,
                                      gsize size,
                                      guint offset);

gst_mpeg_video_parse_picture_header ()

gboolean
gst_mpeg_video_parse_picture_header (GstMpegVideoPictureHdr *hdr,
                                     const guint8 *data,
                                     gsize size,
                                     guint offset);

gst_mpeg_video_parse_picture_extension ()

gboolean
gst_mpeg_video_parse_picture_extension
                               (GstMpegVideoPictureExt *ext,
                                const guint8 *data,
                                gsize size,
                                guint offset);

gst_mpeg_video_parse_gop ()

gboolean
gst_mpeg_video_parse_gop (GstMpegVideoGop *gop,
                          const guint8 *data,
                          gsize size,
                          guint offset);

gst_mpeg_video_parse_sequence_extension ()

gboolean
gst_mpeg_video_parse_sequence_extension
                               (GstMpegVideoSequenceExt *seqext,
                                const guint8 *data,
                                gsize size,
                                guint offset);

gst_mpeg_video_parse_quant_matrix_extension ()

gboolean
gst_mpeg_video_parse_quant_matrix_extension
                               (GstMpegVideoQuantMatrixExt *quant,
                                const guint8 *data,
                                gsize size,
                                guint offset);

Types and Values

enum GstMpegVideoPacketTypeCode

Members

GST_MPEG_VIDEO_PACKET_PICTURE

   

GST_MPEG_VIDEO_PACKET_SLICE_MIN

   

GST_MPEG_VIDEO_PACKET_SLICE_MAX

   

GST_MPEG_VIDEO_PACKET_USER_DATA

   

GST_MPEG_VIDEO_PACKET_SEQUENCE

   

GST_MPEG_VIDEO_PACKET_EXTENSION

   

GST_MPEG_VIDEO_PACKET_SEQUENCE_END

   

GST_MPEG_VIDEO_PACKET_GOP

   

GST_MPEG_VIDEO_PACKET_NONE

   

enum GstMpegVideoPacketExtensionCode

Members

GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE

   

GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE_DISPLAY

   

GST_MPEG_VIDEO_PACKET_EXT_QUANT_MATRIX

   

GST_MPEG_VIDEO_PACKET_EXT_PICTURE

   

enum GstMpegVideoLevel

Members

GST_MPEG_VIDEO_LEVEL_HIGH

   

GST_MPEG_VIDEO_LEVEL_HIGH_1440

   

GST_MPEG_VIDEO_LEVEL_MAIN

   

GST_MPEG_VIDEO_LEVEL_LOW

   

enum GstMpegVideoProfile

Members

GST_MPEG_VIDEO_PROFILE_422

   

GST_MPEG_VIDEO_PROFILE_HIGH

   

GST_MPEG_VIDEO_PROFILE_SPATIALLY_SCALABLE

   

GST_MPEG_VIDEO_PROFILE_SNR_SCALABLE

   

GST_MPEG_VIDEO_PROFILE_MAIN

   

GST_MPEG_VIDEO_PROFILE_SIMPLE

   

enum GstMpegVideoPictureType

Members

GST_MPEG_VIDEO_PICTURE_TYPE_I

   

GST_MPEG_VIDEO_PICTURE_TYPE_P

   

GST_MPEG_VIDEO_PICTURE_TYPE_B

   

GST_MPEG_VIDEO_PICTURE_TYPE_D

   

enum GstMpegVideoPictureStructure

Members

GST_MPEG_VIDEO_PICTURE_STRUCTURE_TOP_FIELD

   

GST_MPEG_VIDEO_PICTURE_STRUCTURE_BOTTOM_FIELD

   

GST_MPEG_VIDEO_PICTURE_STRUCTURE_FRAME

   

struct GstMpegVideoSequenceHdr

struct GstMpegVideoSequenceHdr {
  guint16 width, height;
  guint8  aspect_ratio_info;
  guint8  frame_rate_code;
  guint32 bitrate_value;
  guint16 vbv_buffer_size_value;

  guint8  constrained_parameters_flag;

  guint8  intra_quantizer_matrix[64];
  guint8  non_intra_quantizer_matrix[64];

  /* Calculated values */
  guint   par_w, par_h;
  guint   fps_n, fps_d;
  guint   bitrate;
};

struct GstMpegVideoSequenceExt

struct GstMpegVideoSequenceExt {
  /* mpeg2 decoder profile */
  guint8 profile;
  /* mpeg2 decoder level */
  guint8 level;

  guint8 progressive;
  guint8 chroma_format;

  guint8 horiz_size_ext, vert_size_ext;

  guint16 bitrate_ext;
  guint8 vbv_buffer_size_extension;
  guint8 low_delay;
  guint8 fps_n_ext, fps_d_ext;
};

struct GstMpegVideoPictureHdr

struct GstMpegVideoPictureHdr {
  guint16 tsn;
  guint8 pic_type;

  guint8 full_pel_forward_vector, full_pel_backward_vector;

  guint8 f_code[2][2];
};

struct GstMpegVideoGop

struct GstMpegVideoGop {
  guint8 drop_frame_flag;

  guint8 hour, minute, second, frame;

  guint8 closed_gop;
  guint8 broken_link;
};

struct GstMpegVideoPictureExt

struct GstMpegVideoPictureExt {
  guint8 f_code[2][2];

  guint8 intra_dc_precision;
  guint8 picture_structure;
  guint8 top_field_first;
  guint8 frame_pred_frame_dct;
  guint8 concealment_motion_vectors;
  guint8 q_scale_type;
  guint8 intra_vlc_format;
  guint8 alternate_scan;
  guint8 repeat_first_field;
  guint8 chroma_420_type;
  guint8 progressive_frame;
  guint8 composite_display;
  guint8 v_axis;
  guint8 field_sequence;
  guint8 sub_carrier;
  guint8 burst_amplitude;
  guint8 sub_carrier_phase;
};

struct GstMpegVideoQuantMatrixExt

struct GstMpegVideoQuantMatrixExt {
 guint8 load_intra_quantiser_matrix;
 guint8 intra_quantiser_matrix[64];
 guint8 load_non_intra_quantiser_matrix;
 guint8 non_intra_quantiser_matrix[64];
 guint8 load_chroma_intra_quantiser_matrix;
 guint8 chroma_intra_quantiser_matrix[64];
 guint8 load_chroma_non_intra_quantiser_matrix;
 guint8 chroma_non_intra_quantiser_matrix[64];
};

struct GstMpegVideoTypeOffsetSize

struct GstMpegVideoTypeOffsetSize {
  guint8 type;
  guint  offset;
  gint   size;
};