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discoverer: use specific types in getters

Browse source 
Use GstDiscoverer{Audio,Video}Info in getters like
gst_discoverer_{audio,video}_info_get_*(). This avoids the casts in the macros,
help language bindings and is more correct.
This commit is contained in:
Stefan Kost 2010-10-28 03:09:10 +03:00
parent f9d93891cc
commit 127beb9e6c
2 changed files with 37 additions and 38 deletions
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43
gst-libs/gst/pbutils/gstdiscoverer-types.c
View file

@ -471,7 +471,8 @@ gst_discoverer_stream_info_get_stream_type_nick (GstDiscovererStreamInfo * info)
if (GST_IS_DISCOVERER_AUDIO_INFO (info))
return "audio";
if (GST_IS_DISCOVERER_VIDEO_INFO (info)) {
if (gst_discoverer_video_info_get_is_image (info))
if (gst_discoverer_video_info_get_is_image ((GstDiscovererVideoInfo *)
info))
return "video(image)";
else
return "video";
@ -481,10 +482,11 @@ gst_discoverer_stream_info_get_stream_type_nick (GstDiscovererStreamInfo * info)
/* ACCESSORS */
#define GENERIC_ACCESSOR_CODE(parent, casttype, parenttype, parentgtype, fieldname, type, failval) \
#define GENERIC_ACCESSOR_CODE(parent, parenttype, parentgtype, fieldname, type, failval) \
type parent##_get_##fieldname(parenttype info) { \
g_return_val_if_fail(G_TYPE_CHECK_INSTANCE_TYPE((info), parentgtype), failval); \
return ((casttype)info)->fieldname; \
return (info)->fieldname; \
}
/**
@ -612,13 +614,12 @@ gst_discoverer_container_info_get_streams (GstDiscovererStreamInfo * info)
#define AUDIO_INFO_ACCESSOR_CODE(fieldname, type, failval) \
GENERIC_ACCESSOR_CODE(gst_discoverer_audio_info, GstDiscovererAudioInfo*, \
GstDiscovererStreamInfo*, \
GST_TYPE_DISCOVERER_AUDIO_INFO, \
fieldname, type, failval)
/**
* gst_discoverer_audio_info_get_channels:
* @info: a #GstDiscovererStreamInfo
* @info: a #GstDiscovererAudioInfo
*
* Returns: the number of channels in the stream.
*
@ -629,7 +630,7 @@ AUDIO_INFO_ACCESSOR_CODE (channels, guint, 0);
/**
* gst_discoverer_audio_info_get_sample_rate:
* @info: a #GstDiscovererStreamInfo
* @info: a #GstDiscovererAudioInfo
*
* Returns: the sample rate of the stream in Hertz.
*
@ -640,7 +641,7 @@ AUDIO_INFO_ACCESSOR_CODE (sample_rate, guint, 0);
/**
* gst_discoverer_audio_info_get_depth:
* @info: a #GstDiscovererStreamInfo
* @info: a #GstDiscovererAudioInfo
*
* Returns: the number of bits used per sample in each channel.
*
@ -651,7 +652,7 @@ AUDIO_INFO_ACCESSOR_CODE (depth, guint, 0);
/**
* gst_discoverer_audio_info_get_bitrate:
* @info: a #GstDiscovererStreamInfo
* @info: a #GstDiscovererAudioInfo
*
* Returns: the average or nominal bitrate of the stream in bits/second.
*
@ -662,7 +663,7 @@ AUDIO_INFO_ACCESSOR_CODE (bitrate, guint, 0);
/**
* gst_discoverer_audio_info_get_max_bitrate:
* @info: a #GstDiscovererStreamInfo
* @info: a #GstDiscovererAudioInfo
*
* Returns: the maximum bitrate of the stream in bits/second.
*
@ -675,13 +676,12 @@ AUDIO_INFO_ACCESSOR_CODE (max_bitrate, guint, 0);
#define VIDEO_INFO_ACCESSOR_CODE(fieldname, type, failval) \
GENERIC_ACCESSOR_CODE(gst_discoverer_video_info, GstDiscovererVideoInfo*, \
GstDiscovererStreamInfo*, \
GST_TYPE_DISCOVERER_VIDEO_INFO, \
fieldname, type, failval)
/**
* gst_discoverer_video_info_get_width:
* @info: a #GstDiscovererStreamInfo
* @info: a #GstDiscovererVideoInfo
*
* Returns: the width of the video stream in pixels.
*
@ -692,7 +692,7 @@ VIDEO_INFO_ACCESSOR_CODE (width, guint, 0);
/**
* gst_discoverer_video_info_get_height:
* @info: a #GstDiscovererStreamInfo
* @info: a #GstDiscovererVideoInfo
*
* Returns: the height of the video stream in pixels.
*
@ -703,7 +703,7 @@ VIDEO_INFO_ACCESSOR_CODE (height, guint, 0);
/**
* gst_discoverer_video_info_get_depth:
* @info: a #GstDiscovererStreamInfo
* @info: a #GstDiscovererVideoInfo
*
* Returns: the depth in bits of the video stream (only relevant for
* video streams).
@ -715,7 +715,7 @@ VIDEO_INFO_ACCESSOR_CODE (depth, guint, 0);
/**
* gst_discoverer_video_info_get_framerate_num:
* @info: a #GstDiscovererStreamInfo
* @info: a #GstDiscovererVideoInfo
*
* Returns: the framerate of the video stream (numerator).
*
@ -726,7 +726,7 @@ VIDEO_INFO_ACCESSOR_CODE (framerate_num, guint, 0);
/**
* gst_discoverer_video_info_get_framerate_denom:
* @info: a #GstDiscovererStreamInfo
* @info: a #GstDiscovererVideoInfo
*
* Returns: the framerate of the video stream (denominator).
*
@ -737,7 +737,7 @@ VIDEO_INFO_ACCESSOR_CODE (framerate_denom, guint, 0);
/**
* gst_discoverer_video_info_get_par_num:
* @info: a #GstDiscovererStreamInfo
* @info: a #GstDiscovererVideoInfo
*
* Returns: the Pixel Aspect Ratio (PAR) of the video stream (numerator).
*
@ -748,7 +748,7 @@ VIDEO_INFO_ACCESSOR_CODE (par_num, guint, 0);
/**
* gst_discoverer_video_info_get_par_denom:
* @info: a #GstDiscovererStreamInfo
* @info: a #GstDiscovererVideoInfo
*
* Returns: the Pixel Aspect Ratio (PAR) of the video stream (denominator).
*
@ -759,7 +759,7 @@ VIDEO_INFO_ACCESSOR_CODE (par_denom, guint, 0);
/**
* gst_discoverer_video_info_get_interlaced:
* @info: a #GstDiscovererStreamInfo
* @info: a #GstDiscovererVideoInfo
*
* Returns: %TRUE if the stream is interlaced, else %FALSE.
*
@ -770,7 +770,7 @@ VIDEO_INFO_ACCESSOR_CODE (interlaced, gboolean, FALSE);
/**
* gst_discoverer_video_info_get_bitrate:
* @info: a #GstDiscovererStreamInfo
* @info: a #GstDiscovererVideoInfo
*
* Returns: the average or nominal bitrate of the video stream in bits/second.
*
@ -781,7 +781,7 @@ VIDEO_INFO_ACCESSOR_CODE (bitrate, guint, 0);
/**
* gst_discoverer_video_info_get_max_bitrate:
* @info: a #GstDiscovererStreamInfo
* @info: a #GstDiscovererVideoInfo
*
* Returns: the maximum bitrate of the video stream in bits/second.
*
@ -792,7 +792,7 @@ VIDEO_INFO_ACCESSOR_CODE (max_bitrate, guint, 0);
/**
* gst_discoverer_video_info_get_is_image:
* @info: a #GstDiscovererStreamInfo
* @info: a #GstDiscovererVideoInfo
*
* Returns: #TRUE if the video stream corresponds to an image (i.e. only contains
* one frame).
@ -806,7 +806,6 @@ VIDEO_INFO_ACCESSOR_CODE (is_image, gboolean, FALSE);
#define DISCOVERER_INFO_ACCESSOR_CODE(fieldname, type, failval) \
GENERIC_ACCESSOR_CODE(gst_discoverer_info, GstDiscovererInfo*, \
GstDiscovererInfo*, \
GST_TYPE_DISCOVERER_INFO, \
fieldname, type, failval)

32
gst-libs/gst/pbutils/gstdiscoverer.h
View file

@ -93,11 +93,11 @@ typedef GstMiniObjectClass GstDiscovererAudioInfoClass;
GType gst_discoverer_audio_info_get_type (void);
guint gst_discoverer_audio_info_get_channels(GstDiscovererStreamInfo* info);
guint gst_discoverer_audio_info_get_sample_rate(GstDiscovererStreamInfo* info);
guint gst_discoverer_audio_info_get_depth(GstDiscovererStreamInfo* info);
guint gst_discoverer_audio_info_get_bitrate(GstDiscovererStreamInfo* info);
guint gst_discoverer_audio_info_get_max_bitrate(GstDiscovererStreamInfo* info);
guint gst_discoverer_audio_info_get_channels(GstDiscovererAudioInfo* info);
guint gst_discoverer_audio_info_get_sample_rate(GstDiscovererAudioInfo* info);
guint gst_discoverer_audio_info_get_depth(GstDiscovererAudioInfo* info);
guint gst_discoverer_audio_info_get_bitrate(GstDiscovererAudioInfo* info);
guint gst_discoverer_audio_info_get_max_bitrate(GstDiscovererAudioInfo* info);
/**
* GstDiscovererVideoInfo:
@ -116,17 +116,17 @@ typedef struct _GstDiscovererVideoInfo GstDiscovererVideoInfo;
typedef GstMiniObjectClass GstDiscovererVideoInfoClass;
GType gst_discoverer_video_info_get_type (void);
guint gst_discoverer_video_info_get_width(GstDiscovererStreamInfo* info);
guint gst_discoverer_video_info_get_height(GstDiscovererStreamInfo* info);
guint gst_discoverer_video_info_get_depth(GstDiscovererStreamInfo* info);
guint gst_discoverer_video_info_get_framerate_num(GstDiscovererStreamInfo* info);
guint gst_discoverer_video_info_get_framerate_denom(GstDiscovererStreamInfo* info);
guint gst_discoverer_video_info_get_par_num(GstDiscovererStreamInfo* info);
guint gst_discoverer_video_info_get_par_denom(GstDiscovererStreamInfo* info);
gboolean gst_discoverer_video_info_get_interlaced(GstDiscovererStreamInfo* info);
guint gst_discoverer_video_info_get_bitrate(GstDiscovererStreamInfo* info);
guint gst_discoverer_video_info_get_max_bitrate(GstDiscovererStreamInfo* info);
gboolean gst_discoverer_video_info_get_is_image(GstDiscovererStreamInfo* info);
guint gst_discoverer_video_info_get_width(GstDiscovererVideoInfo* info);
guint gst_discoverer_video_info_get_height(GstDiscovererVideoInfo* info);
guint gst_discoverer_video_info_get_depth(GstDiscovererVideoInfo* info);
guint gst_discoverer_video_info_get_framerate_num(GstDiscovererVideoInfo* info);
guint gst_discoverer_video_info_get_framerate_denom(GstDiscovererVideoInfo* info);
guint gst_discoverer_video_info_get_par_num(GstDiscovererVideoInfo* info);
guint gst_discoverer_video_info_get_par_denom(GstDiscovererVideoInfo* info);
gboolean gst_discoverer_video_info_get_interlaced(GstDiscovererVideoInfo* info);
guint gst_discoverer_video_info_get_bitrate(GstDiscovererVideoInfo* info);
guint gst_discoverer_video_info_get_max_bitrate(GstDiscovererVideoInfo* info);
gboolean gst_discoverer_video_info_get_is_image(GstDiscovererVideoInfo* info);
/**
* GstDiscovererResult: