From bbf53047b03106e3c2e24b28cb836cc838db5ee8 Mon Sep 17 00:00:00 2001 From: Frank Galligan Date: Tue, 17 Dec 2013 11:59:46 -0800 Subject: [PATCH] Add external constants. Change-Id: I8d329513c87bd8622306aba27c83bf04ef170fa4 --- vpx/internal/vpx_codec_internal.h | 5 +++-- vpx/vpx_decoder.h | 5 +++-- vpx/vpx_external_frame_buffer.h | 8 ++++++++ 3 files changed, 14 insertions(+), 4 deletions(-) diff --git a/vpx/internal/vpx_codec_internal.h b/vpx/internal/vpx_codec_internal.h index 5ab32567e..6404b9872 100644 --- a/vpx/internal/vpx_codec_internal.h +++ b/vpx/internal/vpx_codec_internal.h @@ -238,8 +238,9 @@ typedef vpx_image_t *(*vpx_codec_get_frame_fn_t)(vpx_codec_alg_priv_t *ctx, * using external frame buffers. * * \note - * When decoding VP9, the application must pass in at least 8 external - * frame buffers, as VP9 can have up to 8 reference frames. + * When decoding VP9, the application must pass in at least + * #VP9_MAXIMUM_REF_BUFFERS external frame buffers, as VP9 can have up to + * that many reference frames. */ typedef vpx_codec_err_t (*vpx_codec_set_frame_buffers_fn_t)( vpx_codec_alg_priv_t *ctx, diff --git a/vpx/vpx_decoder.h b/vpx/vpx_decoder.h index 30a74ea92..f28a07fb3 100644 --- a/vpx/vpx_decoder.h +++ b/vpx/vpx_decoder.h @@ -362,8 +362,9 @@ extern "C" { * using external frame buffers. * * \note - * When decoding VP9, the application must pass in at least 8 external - * frame buffers, as VP9 can have up to 8 reference frames. + * When decoding VP9, the application must pass in at least + * #VP9_MAXIMUM_REF_BUFFERS external frame buffers, as VP9 can have up to + * that many reference frames. */ vpx_codec_err_t vpx_codec_set_frame_buffers( vpx_codec_ctx_t *ctx, diff --git a/vpx/vpx_external_frame_buffer.h b/vpx/vpx_external_frame_buffer.h index 0b787b8f5..98ce5fdfe 100644 --- a/vpx/vpx_external_frame_buffer.h +++ b/vpx/vpx_external_frame_buffer.h @@ -17,6 +17,14 @@ extern "C" { #include "./vpx_integer.h" +/*!\brief The maximum number of work buffers used by libvpx. + */ +#define VPX_MAXIMUM_WORK_BUFFERS 1 + +/*!\brief The maximum number of reference buffers that a VP9 encoder may use. + */ +#define VP9_MAXIMUM_REF_BUFFERS 8 + /*!\brief External frame buffer * * This structure is used to hold external frame buffers passed into the