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codec-utils: Mark various string return values as nullable

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1539>
This commit is contained in:
Sebastian Dröge 2022-01-19 11:05:26 +02:00
parent b53ea86ab0
commit 8dfe70d17f
1 changed files with 10 additions and 10 deletions
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20
subprojects/gst-plugins-base/gst-libs/gst/pbutils/codec-utils.c
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@ -277,7 +277,7 @@ gst_codec_utils_aac_get_channels (const guint8 * audio_config, guint len)
* normally determined using the AudioObjectType field which is in the first * normally determined using the AudioObjectType field which is in the first
* 5 bits of @audio_config * 5 bits of @audio_config
* *
* Returns: The profile as a const string and %NULL if the profile could not be * Returns: (nullable): The profile as a const string and %NULL if the profile could not be
* determined. * determined.
*/ */
const gchar * const gchar *
@ -340,7 +340,7 @@ gst_codec_utils_aac_get_profile (const guint8 * audio_config, guint len)
* fields are appropriately shifted). * fields are appropriately shifted).
* * Bit 9:12 contains the channel configuration * * Bit 9:12 contains the channel configuration
* *
* Returns: The level as a const string and %NULL if the level could not be * Returns: (nullable): The level as a const string and %NULL if the level could not be
* determined. * determined.
*/ */
const gchar * const gchar *
@ -585,7 +585,7 @@ gst_codec_utils_aac_caps_set_level_and_profile (GstCaps * caps,
* * Bit 13:15 - Reserved * * Bit 13:15 - Reserved
* * Bit 16:24 - Level indication * * Bit 16:24 - Level indication
* *
* Returns: The profile as a const string, or %NULL if there is an error. * Returns: (nullable): The profile as a const string, or %NULL if there is an error.
*/ */
const gchar * const gchar *
gst_codec_utils_h264_get_profile (const guint8 * sps, guint len) gst_codec_utils_h264_get_profile (const guint8 * sps, guint len)
@ -686,7 +686,7 @@ gst_codec_utils_h264_get_profile (const guint8 * sps, guint len)
* sequence parameter set into a string. The SPS is expected to have the * sequence parameter set into a string. The SPS is expected to have the
* same format as for gst_codec_utils_h264_get_profile(). * same format as for gst_codec_utils_h264_get_profile().
* *
* Returns: The level as a const string, or %NULL if there is an error. * Returns: (nullable): The level as a const string, or %NULL if there is an error.
*/ */
const gchar * const gchar *
gst_codec_utils_h264_get_level (const guint8 * sps, guint len) gst_codec_utils_h264_get_level (const guint8 * sps, guint len)
@ -1201,7 +1201,7 @@ utils_get_scalable_format_range_extensions_profile (GstH265ExtensionProfile *
* * Bit 44:87 - See below * * Bit 44:87 - See below
* * Bit 88:95 - general_level_idc * * Bit 88:95 - general_level_idc
* *
* Returns: The profile as a const string, or %NULL if there is an error. * Returns: (nullable): The profile as a const string, or %NULL if there is an error.
* *
* Since: 1.4 * Since: 1.4
*/ */
@ -1367,7 +1367,7 @@ gst_codec_utils_h265_get_profile (const guint8 * profile_tier_level, guint len)
* profile_tier_level structure into a string. The profile_tier_level * profile_tier_level structure into a string. The profile_tier_level
* is expected to have the same format as for gst_codec_utils_h264_get_profile(). * is expected to have the same format as for gst_codec_utils_h264_get_profile().
* *
* Returns: The tier as a const string, or %NULL if there is an error. * Returns: (nullable): The tier as a const string, or %NULL if there is an error.
* *
* Since: 1.4 * Since: 1.4
*/ */
@ -1404,7 +1404,7 @@ gst_codec_utils_h265_get_tier (const guint8 * profile_tier_level, guint len)
* profile_tier_level structure into a string. The profiel_tier_level is * profile_tier_level structure into a string. The profiel_tier_level is
* expected to have the same format as for gst_codec_utils_h264_get_profile(). * expected to have the same format as for gst_codec_utils_h264_get_profile().
* *
* Returns: The level as a const string, or %NULL if there is an error. * Returns: (nullable): The level as a const string, or %NULL if there is an error.
* *
* Since: 1.4 * Since: 1.4
*/ */
@ -1554,7 +1554,7 @@ gst_codec_utils_h265_caps_set_level_tier_and_profile (GstCaps * caps,
* object sequence start code. Only the first byte * object sequence start code. Only the first byte
* (profile_and_level_indication) is used. * (profile_and_level_indication) is used.
* *
* Returns: The profile as a const string, or NULL if there is an error. * Returns: (nullable): The profile as a const string, or NULL if there is an error.
*/ */
const gchar * const gchar *
gst_codec_utils_mpeg4video_get_profile (const guint8 * vis_obj_seq, guint len) gst_codec_utils_mpeg4video_get_profile (const guint8 * vis_obj_seq, guint len)
@ -1627,7 +1627,7 @@ gst_codec_utils_mpeg4video_get_profile (const guint8 * vis_obj_seq, guint len)
* object sequence start code. Only the first byte * object sequence start code. Only the first byte
* (profile_and_level_indication) is used. * (profile_and_level_indication) is used.
* *
* Returns: The level as a const string, or NULL if there is an error. * Returns: (nullable): The level as a const string, or NULL if there is an error.
*/ */
const gchar * const gchar *
gst_codec_utils_mpeg4video_get_level (const guint8 * vis_obj_seq, guint len) gst_codec_utils_mpeg4video_get_level (const guint8 * vis_obj_seq, guint len)
@ -2474,7 +2474,7 @@ done:
* *
* Registered codecs can be found at http://mp4ra.org/#/codecs * Registered codecs can be found at http://mp4ra.org/#/codecs
* *
* Returns: (transfer full): a RFC 6381 compatible codec string or %NULL * Returns: (transfer full) (nullable): a RFC 6381 compatible codec string or %NULL
* *
* Since: 1.20 * Since: 1.20
*/ */