Expose a few keys that's already used by apps (bb609f83) · Commits · e / os / android_frameworks_base

api/current.txt

+3 −0

Original line number	Diff line number	Diff line
		@@ -24108,8 +24108,10 @@ package android.media {
		field public static final int INFO_OUTPUT_FORMAT_CHANGED = -2; // 0xfffffffe
		field public static final int INFO_TRY_AGAIN_LATER = -1; // 0xffffffff
		field public static final String PARAMETER_KEY_HDR10_PLUS_INFO = "hdr10-plus-info";
		field public static final String PARAMETER_KEY_OFFSET_TIME = "time-offset-us";
		field public static final String PARAMETER_KEY_REQUEST_SYNC_FRAME = "request-sync";
		field public static final String PARAMETER_KEY_SUSPEND = "drop-input-frames";
		field public static final String PARAMETER_KEY_SUSPEND_TIME = "drop-start-time-us";
		field public static final String PARAMETER_KEY_VIDEO_BITRATE = "video-bitrate";
		field public static final int VIDEO_SCALING_MODE_SCALE_TO_FIT = 1; // 0x1
		field public static final int VIDEO_SCALING_MODE_SCALE_TO_FIT_WITH_CROPPING = 2; // 0x2
		@@ -24954,6 +24956,7 @@ package android.media {
		field public static final String KEY_COLOR_STANDARD = "color-standard";
		field public static final String KEY_COLOR_TRANSFER = "color-transfer";
		field public static final String KEY_COMPLEXITY = "complexity";
		field public static final String KEY_CREATE_INPUT_SURFACE_SUSPENDED = "create-input-buffers-suspended";
		field public static final String KEY_DURATION = "durationUs";
		field public static final String KEY_FLAC_COMPRESSION_LEVEL = "flac-compression-level";
		field public static final String KEY_FRAME_RATE = "frame-rate";

media/java/android/media/MediaCodec.java

+33 −0

Original line number	Diff line number	Diff line
		@@ -3373,6 +3373,8 @@ final public class MediaCodec {
		/**
		* Change a video encoder's target bitrate on the fly. The value is an
		* Integer object containing the new bitrate in bps.
		*
		* @see #setParameters(Bundle)
		*/
		public static final String PARAMETER_KEY_VIDEO_BITRATE = "video-bitrate";

		@@ -3384,12 +3386,43 @@ final public class MediaCodec {
		* input-side of the encoder in that case.
		* The value is an Integer object containing the value 1 to suspend
		* or the value 0 to resume.
		*
		* @see #setParameters(Bundle)
		*/
		public static final String PARAMETER_KEY_SUSPEND = "drop-input-frames";

		/**
		* When {@link #PARAMETER_KEY_SUSPEND} is present, the client can also
		* optionally use this key to specify the timestamp (in micro-second)
		* at which the suspend/resume operation takes effect.
		*
		* Note that the specified timestamp must be greater than or equal to the
		* timestamp of any previously queued suspend/resume operations.
		*
		* The value is a long int, indicating the timestamp to suspend/resume.
		*
		* @see #setParameters(Bundle)
		*/
		public static final String PARAMETER_KEY_SUSPEND_TIME = "drop-start-time-us";

		/**
		* Specify an offset (in micro-second) to be added on top of the timestamps
		* onward. A typical use case is to apply an adjust to the timestamps after
		* a period of pause by the user.
		*
		* This parameter can only be used on an encoder in "surface-input" mode.
		*
		* The value is a long int, indicating the timestamp offset to be applied.
		*
		* @see #setParameters(Bundle)
		*/
		public static final String PARAMETER_KEY_OFFSET_TIME = "time-offset-us";

		/**
		* Request that the encoder produce a sync frame "soon".
		* Provide an Integer with the value 0.
		*
		* @see #setParameters(Bundle)
		*/
		public static final String PARAMETER_KEY_REQUEST_SYNC_FRAME = "request-sync";

media/java/android/media/MediaFormat.java

+57 −0

Original line number	Diff line number	Diff line
		@@ -462,6 +462,63 @@ public final class MediaFormat {
		public static final String KEY_REPEAT_PREVIOUS_FRAME_AFTER
		= "repeat-previous-frame-after";

		/**
		* Instruct the video encoder in "surface-input" mode to drop excessive
		* frames from the source, so that the input frame rate to the encoder
		* does not exceed the specified fps.
		*
		* The associated value is a float, representing the max frame rate to
		* feed the encoder at.
		*
		* @hide
		*/
		public static final String KEY_MAX_FPS_TO_ENCODER
		= "max-fps-to-encoder";

		/**
		* Instruct the video encoder in "surface-input" mode to limit the gap of
		* timestamp between any two adjacent frames fed to the encoder to the
		* specified amount (in micro-second).
		*
		* The associated value is a long int. When positive, it represents the max
		* timestamp gap between two adjacent frames fed to the encoder. When negative,
		* the absolute value represents a fixed timestamp gap between any two adjacent
		* frames fed to the encoder. Note that this will also apply even when the
		* original timestamp goes backward in time. Under normal conditions, such frames
		* would be dropped and not sent to the encoder.
		*
		* The output timestamp will be restored to the original timestamp and will
		* not be affected.
		*
		* This is used in some special scenarios where input frames arrive sparingly
		* but it's undesirable to allocate more bits to any single frame, or when it's
		* important to ensure all frames are captured (rather than captured in the
		* correct order).
		*
		* @hide
		*/
		public static final String KEY_MAX_PTS_GAP_TO_ENCODER
		= "max-pts-gap-to-encoder";

		/**
		* If specified when configuring a video encoder that's in "surface-input"
		* mode, it will instruct the encoder to put the surface source in suspended
		* state when it's connected. No video frames will be accepted until a resume
		* operation (see {@link MediaCodec#PARAMETER_KEY_SUSPEND}), optionally with
		* timestamp specified via {@link MediaCodec#PARAMETER_KEY_SUSPEND_TIME}, is
		* received.
		*
		* The value is an integer, with 1 indicating to create with the surface
		* source suspended, or 0 otherwise. The default value is 0.
		*
		* If this key is not set or set to 0, the surface source will accept buffers
		* as soon as it's connected to the encoder (although they may not be encoded
		* immediately). This key can be used when the client wants to prepare the
		* encoder session in advance, but do not want to accept buffers immediately.
		*/
		public static final String KEY_CREATE_INPUT_SURFACE_SUSPENDED
		= "create-input-buffers-suspended";

		/**
		* If specified when configuring a video decoder rendering to a surface,
		* causes the decoder to output "blank", i.e. black frames to the surface