#define M4AF_FOURCC(a,b,c,d) (((a)<<24)|((b)<<16)|((c)<<8)|(d))
enum m4af_error_code {
- M4AF_IO_ERROR = 1,
- M4AF_NO_MEMORY,
+ M4AF_IO_ERROR = -1,
+ M4AF_NO_MEMORY = -2,
+ M4AF_FORMAT_ERROR = -3,
+ M4AF_NOT_SUPPORTED = -4,
};
enum m4af_itmf_tag {
M4AF_CODEC_TEXT = M4AF_FOURCC('t','e','x','t'),
};
+enum m4af_priming_mode {
+ M4AF_PRIMING_MODE_ITUNSMPB = 1,
+ M4AF_PRIMING_MODE_EDTS = 2,
+ M4AF_PRIMING_MODE_BOTH = 3
+};
+
+typedef int (*m4af_read_callback)(void *cookie, void *buffer, uint32_t size);
typedef int (*m4af_write_callback)(void *cookie, const void *data,
uint32_t size);
typedef int (*m4af_seek_callback)(void *cookie, int64_t off, int whence);
typedef int64_t (*m4af_tell_callback)(void *cookie);
typedef struct m4af_io_callbacks_t {
+ m4af_read_callback read;
m4af_write_callback write;
m4af_seek_callback seek;
m4af_tell_callback tell;
} m4af_io_callbacks_t;
-typedef struct m4af_writer_t m4af_writer_t;
+typedef struct m4af_itmf_entry_t {
+ uint32_t fcc;
+ char *name;
+ uint32_t type_code;
+ char *data;
+ uint32_t data_size;
+} m4af_itmf_entry_t;
-m4af_writer_t *m4af_create(uint32_t codec, uint32_t timescale,
- m4af_io_callbacks_t *io, void *io_cookie);
+typedef struct m4af_ctx_t m4af_ctx_t;
-void m4af_teardown(m4af_writer_t **ctx);
-int m4af_begin_write(m4af_writer_t *ctx);
+m4af_ctx_t *m4af_create(uint32_t codec, uint32_t timescale,
+ m4af_io_callbacks_t *io, void *io_cookie);
-int m4af_finalize(m4af_writer_t *ctx);
+int m4af_begin_write(m4af_ctx_t *ctx);
-/* can be called before m4af_write_sample() */
-void m4af_set_fixed_frame_duration(m4af_writer_t *ctx, int track_idx,
- uint32_t length);
+int m4af_finalize(m4af_ctx_t *ctx, int optimize);
-/* can be called between mfa4_begin_write() and m4af_finalize() */
-int m4af_write_sample(m4af_writer_t *ctx, int track_idx, const void *data,
- uint32_t size, uint32_t duration);
+void m4af_teardown(m4af_ctx_t **ctx);
+int m4af_write_sample(m4af_ctx_t *ctx, uint32_t track_idx, const void *data,
+ uint32_t size, uint32_t duration);
-/* the following can be called at anytime before m4af_finalize() */
+int m4af_set_decoder_specific_info(m4af_ctx_t *ctx, uint32_t track_idx,
+ uint8_t *data, uint32_t size);
-int m4af_decoder_specific_info(m4af_writer_t *ctx, int track_idx,
- uint8_t *data, uint32_t size);
+void m4af_set_vbr_mode(m4af_ctx_t *ctx, uint32_t track_idx, int is_vbr);
-void m4af_set_priming(m4af_writer_t *ctx, int track_idx,
+void m4af_set_priming(m4af_ctx_t *ctx, uint32_t track_idx,
uint32_t encoder_delay, uint32_t padding);
-int m4af_add_itmf_long_tag(m4af_writer_t *ctx, const char *name,
+void m4af_set_priming_mode(m4af_ctx_t *ctx, int mode);
+
+void m4af_set_fixed_frame_duration(m4af_ctx_t *ctx, uint32_t track_idx,
+ uint32_t length);
+
+int m4af_add_itmf_long_tag(m4af_ctx_t *ctx, const char *name,
const char *data);
-int m4af_add_itmf_short_tag(m4af_writer_t *ctx, uint32_t type,
- uint32_t type_code, const void *data,
- uint32_t data_size);
+int m4af_add_itmf_short_tag(m4af_ctx_t *ctx, uint32_t fcc, uint32_t type_code,
+ const void *data, uint32_t data_size);
-int m4af_add_itmf_string_tag(m4af_writer_t *ctx, uint32_t type,
- const char *data);
+int m4af_add_itmf_string_tag(m4af_ctx_t *ctx, uint32_t fcc, const char *data);
-int m4af_add_itmf_int8_tag(m4af_writer_t *ctx, uint32_t type, int value);
+int m4af_add_itmf_int8_tag(m4af_ctx_t *ctx, uint32_t fcc, int value);
-int m4af_add_itmf_int16_tag(m4af_writer_t *ctx, uint32_t type, int value);
+int m4af_add_itmf_int16_tag(m4af_ctx_t *ctx, uint32_t fcc, int value);
-int m4af_add_itmf_int32_tag(m4af_writer_t *ctx, uint32_t type, int value);
+int m4af_add_itmf_int32_tag(m4af_ctx_t *ctx, uint32_t fcc, uint32_t value);
-int m4af_add_itmf_track_tag(m4af_writer_t *ctx, int track, int total);
+int m4af_add_itmf_int64_tag(m4af_ctx_t *ctx, uint32_t fcc, uint64_t value);
-int m4af_add_itmf_disk_tag(m4af_writer_t *ctx, int disk, int total);
+int m4af_add_itmf_track_tag(m4af_ctx_t *ctx, int track, int total);
-int m4af_add_itmf_genre_tag(m4af_writer_t *ctx, int genre);
+int m4af_add_itmf_disk_tag(m4af_ctx_t *ctx, int disk, int total);
+int m4af_add_itmf_genre_tag(m4af_ctx_t *ctx, int genre);
#endif