cinelerra-5.1/cinelerra/libdv.h

   1 #ifndef LIBDV_H
   2 #define LIBDV_H
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 // Buffer sizes
   9 #define DV_NTSC_SIZE 120000
  10 #define DV_PAL_SIZE 144000
  11 #define CODEC_TAG_DVSD "dvsd"
  12
  13 // Norms
  14 #define DV_NTSC 0
  15 #define DV_PAL 1
  16
  17
  18 #include <libdv/dv.h>
  19 #include <pthread.h>
  20 #include <sys/time.h>
  21
  22 typedef struct
  23 {
  24         dv_decoder_t *decoder;
  25         dv_encoder_t *encoder;
  26         short *temp_audio[4];
  27         unsigned char *temp_video;
  28         int use_mmx;
  29         int audio_frames;
  30 } dv_t;
  31
  32
  33 // ================================== The frame decoder
  34 dv_t* dv_new();
  35 int dv_delete(dv_t* dv);
  36
  37 // Decode a video frame from the data and return nonzero if failure
  38 int dv_read_video(dv_t *dv,
  39                 unsigned char **output_rows,
  40                 unsigned char *data,
  41                 long bytes,
  42                 int color_model);
  43 // Decode audio from the data and return the number of samples decoded.
  44 int dv_read_audio(dv_t *dv,
  45                 unsigned char *samples,
  46                 unsigned char *data,
  47                 long size,
  48                 int channels,
  49                 int bits);
  50
  51 void dv_write_video(dv_t *dv,
  52                 unsigned char *data,
  53                 unsigned char **input_rows,
  54                 int color_model,
  55                 int norm);
  56
  57 // Write audio into frame after video is encoded.
  58 // Returns the number of samples put in frame.
  59 int dv_write_audio(dv_t *dv,
  60                 unsigned char *data,
  61                 unsigned char *input_samples,
  62                 int max_samples,
  63                 int channels,
  64                 int bits,
  65                 int rate,
  66                 int norm);
  67
  68
  69 #ifdef __cplusplus
  70 }
  71 #endif
  72
  73 #endif