V2: Change the slice/parameter buffers to dynamic alloc and split
the mutil-slice support for AVC/HEVC.
From 39fd7852df0c96217310c525107da06a7ec0a062 Mon Sep 17 00:00:00 2001
From: Jun Zhao <jun.z...@intel.com>
Date: Mon, 31 Jul 2017 22:46:23 -0400
Subject: [PATCH V2 1/4] lavc/vaapi_encode: Change the slice/parameter buffers
to dynamic alloc.
Change the slice/parameter buffers to be allocated dynamically.
Signed-off-by: Wang, Yi A <yi.a.w...@intel.com>
Signed-off-by: Jun Zhao <jun.z...@intel.com>
---
libavcodec/vaapi_encode.c | 27 ++++++++++++++++++++++++---
libavcodec/vaapi_encode.h | 6 ++----
2 files changed, 26 insertions(+), 7 deletions(-)
diff --git a/libavcodec/vaapi_encode.c b/libavcodec/vaapi_encode.c
index 2de5f76cab..11d9803b5d 100644
--- a/libavcodec/vaapi_encode.c
+++ b/libavcodec/vaapi_encode.c
@@ -36,13 +36,19 @@ static int vaapi_encode_make_packed_header(AVCodecContext
*avctx,
VAAPIEncodeContext *ctx = avctx->priv_data;
VAStatus vas;
VABufferID param_buffer, data_buffer;
+ VABufferID *tmp;
VAEncPackedHeaderParameterBuffer params = {
.type = type,
.bit_length = bit_len,
.has_emulation_bytes = 1,
};
- av_assert0(pic->nb_param_buffers + 2 <= MAX_PARAM_BUFFERS);
+ tmp = av_realloc_array(pic->param_buffers, sizeof(*tmp),
(pic->nb_param_buffers + 2));
+ if (!tmp) {
+ av_freep(&pic->param_buffers);
+ return AVERROR(ENOMEM);
+ }
+ pic->param_buffers = tmp;
vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
VAEncPackedHeaderParameterBufferType,
@@ -77,9 +83,15 @@ static int vaapi_encode_make_param_buffer(AVCodecContext
*avctx,
{
VAAPIEncodeContext *ctx = avctx->priv_data;
VAStatus vas;
+ VABufferID *tmp;
VABufferID buffer;
- av_assert0(pic->nb_param_buffers + 1 <= MAX_PARAM_BUFFERS);
+ tmp = av_realloc_array(pic->param_buffers, sizeof(*tmp),
(pic->nb_param_buffers + 1));
+ if (!tmp) {
+ av_freep(&pic->param_buffers);
+ return AVERROR(ENOMEM);
+ }
+ pic->param_buffers = tmp;
vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
type, len, 1, data, &buffer);
@@ -122,6 +134,8 @@ static int vaapi_encode_wait(AVCodecContext *avctx,
// Input is definitely finished with now.
av_frame_free(&pic->input_image);
+ av_freep(&pic->param_buffers);
+
pic->encode_complete = 1;
return 0;
}
@@ -313,7 +327,10 @@ static int vaapi_encode_issue(AVCodecContext *avctx,
}
}
- av_assert0(pic->nb_slices <= MAX_PICTURE_SLICES);
+ pic->slices = (VAAPIEncodeSlice **)av_malloc(sizeof(VAAPIEncodeSlice *) *
pic->nb_slices);
+ if (pic->slices == NULL)
+ goto fail;
+
for (i = 0; i < pic->nb_slices; i++) {
slice = av_mallocz(sizeof(*slice));
if (!slice) {
@@ -427,6 +444,8 @@ fail:
vaDestroyBuffer(ctx->hwctx->display, pic->param_buffers[i]);
fail_at_end:
av_freep(&pic->codec_picture_params);
+ av_freep(&pic->param_buffers);
+ av_freep(&pic->slices);
av_frame_free(&pic->recon_image);
av_buffer_unref(&pic->output_buffer_ref);
pic->output_buffer = VA_INVALID_ID;
@@ -544,6 +563,8 @@ static int vaapi_encode_free(AVCodecContext *avctx,
av_frame_free(&pic->input_image);
av_frame_free(&pic->recon_image);
+ av_freep(&pic->param_buffers);
+ av_freep(&pic->slices);
// Output buffer should already be destroyed.
av_assert0(pic->output_buffer == VA_INVALID_ID);
diff --git a/libavcodec/vaapi_encode.h b/libavcodec/vaapi_encode.h
index 0edf27e4cb..b542772aed 100644
--- a/libavcodec/vaapi_encode.h
+++ b/libavcodec/vaapi_encode.h
@@ -35,8 +35,6 @@ enum {
MAX_CONFIG_ATTRIBUTES = 4,
MAX_GLOBAL_PARAMS = 4,
MAX_PICTURE_REFERENCES = 2,
- MAX_PICTURE_SLICES = 112,
- MAX_PARAM_BUFFERS = 128,
MAX_REORDER_DELAY = 16,
MAX_PARAM_BUFFER_SIZE = 1024,
};
@@ -73,7 +71,7 @@ typedef struct VAAPIEncodePicture {
VASurfaceID recon_surface;
int nb_param_buffers;
- VABufferID param_buffers[MAX_PARAM_BUFFERS];
+ VABufferID *param_buffers;
AVBufferRef *output_buffer_ref;
VABufferID output_buffer;
@@ -85,7 +83,7 @@ typedef struct VAAPIEncodePicture {
struct VAAPIEncodePicture *refs[MAX_PICTURE_REFERENCES];
int nb_slices;
- VAAPIEncodeSlice *slices[MAX_PICTURE_SLICES];
+ VAAPIEncodeSlice **slices;
} VAAPIEncodePicture;
typedef struct VAAPIEncodeContext {
--
2.11.0
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