diff options
author | Aman Gupta <aman@tmm1.net> | 2019-08-23 22:56:33 +0300 |
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committer | Aman Gupta <aman@tmm1.net> | 2019-09-11 05:01:13 +0300 |
commit | c0c7946196710d0579a9c85bf65289d5a123ab89 (patch) | |
tree | 35373c710bfb5d4930efe033bbcf9c61b29c7af1 /libavcodec/v4l2_m2m.h | |
parent | d61cf1b1ebc2477749d7d7825a072400ed24af9f (diff) |
avcodec/v4l2_m2m: decouple v4l2_m2m helpers from AVCodecContext
This will allow re-use of the m2m backend with AVFilterContext
Signed-off-by: Aman Gupta <aman@tmm1.net>
Diffstat (limited to 'libavcodec/v4l2_m2m.h')
-rw-r--r-- | libavcodec/v4l2_m2m.h | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/libavcodec/v4l2_m2m.h b/libavcodec/v4l2_m2m.h index 0d4671beb1..c860e96ef5 100644 --- a/libavcodec/v4l2_m2m.h +++ b/libavcodec/v4l2_m2m.h @@ -59,10 +59,12 @@ typedef struct V4L2m2mContext { /* Reference to self; only valid while codec is active. */ AVBufferRef *self_ref; + + /* reference back to V4L2m2mPriv */ + void *priv; } V4L2m2mContext; -typedef struct V4L2m2mPriv -{ +typedef struct V4L2m2mPriv { AVClass *class; V4L2m2mContext *context; @@ -75,33 +77,33 @@ typedef struct V4L2m2mPriv /** * Allocate a new context and references for a V4L2 M2M instance. * - * @param[in] ctx The AVCodecContext instantiated by the encoder/decoder. + * @param[in] ctx The V4L2m2mPriv instantiated by the encoder/decoder. * @param[out] ctx The V4L2m2mContext. * * @returns 0 in success, a negative error code otherwise. */ -int ff_v4l2_m2m_create_context(AVCodecContext *avctx, V4L2m2mContext **s); +int ff_v4l2_m2m_create_context(V4L2m2mPriv *priv, V4L2m2mContext **s); /** * Probes the video nodes looking for the required codec capabilities. * - * @param[in] ctx The AVCodecContext instantiated by the encoder/decoder. + * @param[in] ctx The V4L2m2mPriv instantiated by the encoder/decoder. * * @returns 0 if a driver is found, a negative number otherwise. */ -int ff_v4l2_m2m_codec_init(AVCodecContext *avctx); +int ff_v4l2_m2m_codec_init(V4L2m2mPriv *priv); /** * Releases all the codec resources if all AVBufferRefs have been returned to the * ctx. Otherwise keep the driver open. * - * @param[in] The AVCodecContext instantiated by the encoder/decoder. + * @param[in] The V4L2m2mPriv instantiated by the encoder/decoder. * * @returns 0 * */ -int ff_v4l2_m2m_codec_end(AVCodecContext *avctx); +int ff_v4l2_m2m_codec_end(V4L2m2mPriv *priv); /** * Reinitializes the V4L2m2mContext when the driver cannot continue processing |