diff options
Diffstat (limited to 'gst-libs/gst/audio/audio.h')
| -rw-r--r-- | gst-libs/gst/audio/audio.h | 44 |
1 files changed, 18 insertions, 26 deletions
diff --git a/gst-libs/gst/audio/audio.h b/gst-libs/gst/audio/audio.h index 4a3428dd..5f21e018 100644 --- a/gst-libs/gst/audio/audio.h +++ b/gst-libs/gst/audio/audio.h @@ -26,7 +26,6 @@ #define __GST_AUDIO_AUDIO_H__ G_BEGIN_DECLS - /* For people that are looking at this source: the purpose of these defines is * to make GstCaps a bit easier, in that you don't have to know all of the * properties that need to be defined. you can just use these macros. currently @@ -50,9 +49,7 @@ G_BEGIN_DECLS * * Andy Wingo, 18 August 2001 * Thomas, 6 September 2002 */ - #define GST_AUDIO_DEF_RATE 44100 - #define GST_AUDIO_INT_PAD_TEMPLATE_CAPS \ "audio/x-raw-int, " \ "rate = (int) [ 1, MAX ], " \ @@ -60,9 +57,7 @@ G_BEGIN_DECLS "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " \ "width = (int) { 8, 16, 32 }, " \ "depth = (int) [ 1, 32 ], " \ - "signed = (boolean) { true, false }" - - + "signed = (boolean) { true, false }" /* "standard" int audio is native order, 16 bit stereo. */ #define GST_AUDIO_INT_STANDARD_PAD_TEMPLATE_CAPS \ "audio/x-raw-int, " \ @@ -71,8 +66,7 @@ G_BEGIN_DECLS "endianness = (int) BYTE_ORDER, " \ "width = (int) 16, " \ "depth = (int) 16, " \ - "signed = (boolean) true" - + "signed = (boolean) true" #define GST_AUDIO_FLOAT_PAD_TEMPLATE_CAPS \ "audio/x-raw-float, " \ "rate = (int) [ 1, MAX ], " \ @@ -80,7 +74,6 @@ G_BEGIN_DECLS "endianness = (int) { LITTLE_ENDIAN , BIG_ENDIAN }, " \ "width = (int) { 32, 64 }, " \ "buffer-frames = (int) [ 1, MAX]" - /* "standard" float audio is native order, 32 bit mono. */ #define GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_CAPS \ "audio/x-raw-float, " \ @@ -88,43 +81,42 @@ G_BEGIN_DECLS "channels = (int) 1, " \ "endianness = (int) BYTE_ORDER, " \ "buffer-frames = (int) [ 1, MAX]" - /* * this library defines and implements some helper functions for audio * handling */ - /* get byte size of audio frame (based on caps of pad */ -int gst_audio_frame_byte_size (GstPad* pad); +int gst_audio_frame_byte_size (GstPad * pad); /* get length in frames of buffer */ -long gst_audio_frame_length (GstPad* pad, GstBuffer* buf); +long gst_audio_frame_length (GstPad * pad, GstBuffer * buf); /* get frame rate based on caps */ -long gst_audio_frame_rate (GstPad *pad); +long gst_audio_frame_rate (GstPad * pad); /* calculate length in seconds of audio buffer buf based on caps of pad */ -double gst_audio_length (GstPad* pad, GstBuffer* buf); +double gst_audio_length (GstPad * pad, GstBuffer * buf); /* calculate highest possible sample value based on capabilities of pad */ -long gst_audio_highest_sample_value (GstPad* pad); +long gst_audio_highest_sample_value (GstPad * pad); /* check if the buffer size is a whole multiple of the frame size */ -gboolean gst_audio_is_buffer_framed (GstPad* pad, GstBuffer* buf); +gboolean gst_audio_is_buffer_framed (GstPad * pad, GstBuffer * buf); /* functions useful for _getcaps functions */ -typedef enum { - GST_AUDIO_FIELD_RATE = (1 << 0), - GST_AUDIO_FIELD_CHANNELS = (1 << 1), - GST_AUDIO_FIELD_ENDIANNESS = (1 << 2), - GST_AUDIO_FIELD_WIDTH = (1 << 3), - GST_AUDIO_FIELD_DEPTH = (1 << 4), - GST_AUDIO_FIELD_SIGNED = (1 << 5), +typedef enum +{ + GST_AUDIO_FIELD_RATE = (1 << 0), + GST_AUDIO_FIELD_CHANNELS = (1 << 1), + GST_AUDIO_FIELD_ENDIANNESS = (1 << 2), + GST_AUDIO_FIELD_WIDTH = (1 << 3), + GST_AUDIO_FIELD_DEPTH = (1 << 4), + GST_AUDIO_FIELD_SIGNED = (1 << 5), GST_AUDIO_FIELD_BUFFER_FRAMES = (1 << 6) } GstAudioFieldFlag; -void gst_audio_structure_set_int (GstStructure *structure, GstAudioFieldFlag flag); +void gst_audio_structure_set_int (GstStructure * structure, + GstAudioFieldFlag flag); G_END_DECLS - #endif /* __GST_AUDIO_AUDIO_H__ */ |