diff mbox series

[FFmpeg-devel,2/2] avcodec: add av1 VAAPI decoder

Message ID 20200821052950.18785-2-fei.w.wang@intel.com
State New
Headers show
Series [FFmpeg-devel,1/2] avcodec: add av1 hardware acceleration decoder
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Commit Message

Wang, Fei W Aug. 21, 2020, 5:29 a.m. UTC
Example cmdline:
ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -v verbose \
-c:v av1 -i input.ivf -pix_fmt yuv420p -vsync passthrough -f md5     \
-y out.md5

Signed-off-by: Fei Wang <fei.w.wang@intel.com>
---
 Changelog                 |   1 +
 configure                 |   3 +
 libavcodec/Makefile       |   1 +
 libavcodec/av1dec.c       |  23 ++-
 libavcodec/hwaccels.h     |   1 +
 libavcodec/vaapi_av1.c    | 287 ++++++++++++++++++++++++++++++++++++++
 libavcodec/vaapi_decode.c |   8 ++
 libavcodec/version.h      |   2 +-
 8 files changed, 324 insertions(+), 2 deletions(-)
 create mode 100644 libavcodec/vaapi_av1.c

Comments

James Almer Aug. 24, 2020, 2:03 a.m. UTC | #1
On 8/21/2020 2:29 AM, Fei Wang wrote:
> +static int vaapi_av1_start_frame(AVCodecContext *avctx,
> +                                 av_unused const uint8_t *buffer,
> +                                 av_unused uint32_t size)
> +{
> +    AV1DecContext *s = avctx->priv_data;
> +    const AV1RawSequenceHeader *seq = &s->raw_seq;
> +    const AV1RawFrameHeader *frame_header = &s->raw_frame_header;
> +    VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
> +    VADecPictureParameterBufferAV1 pic_param;
> +    int err, i, j;
> +    uint8_t lr_type[4] = {AV1_RESTORE_NONE, AV1_RESTORE_SWITCHABLE, AV1_RESTORE_WIENER, AV1_RESTORE_SGRPROJ};
> +
> +    pic->output_surface = vaapi_av1_surface_id(&s->cur_frame);
> +
> +    memset(&pic_param, 0, sizeof(VADecPictureParameterBufferAV1));
> +    pic_param = (VADecPictureParameterBufferAV1) {
> +        .profile = seq->seq_profile,
> +        .order_hint_bits_minus_1 = seq->order_hint_bits_minus_1,
> +        .bit_depth_idx = vaapi_av1_get_bit_depth_idx(avctx),
> +        .seq_info_fields.fields = {
> +            .still_picture = seq->still_picture,
> +            .use_128x128_superblock = seq->use_128x128_superblock,
> +            .enable_filter_intra = seq->enable_filter_intra,
> +            .enable_intra_edge_filter = seq->enable_intra_edge_filter,
> +            .enable_interintra_compound = seq->enable_interintra_compound,
> +            .enable_masked_compound = seq->enable_masked_compound,
> +            .enable_dual_filter = seq->enable_dual_filter,
> +            .enable_order_hint = seq->enable_order_hint,
> +            .enable_jnt_comp = seq->enable_jnt_comp,
> +            .enable_cdef = seq->enable_cdef,
> +            .mono_chrome = seq->color_config.mono_chrome,
> +            .color_range = seq->color_config.color_range,
> +            .subsampling_x = seq->color_config.subsampling_x,
> +            .subsampling_y = seq->color_config.subsampling_y,
> +            .chroma_sample_position = seq->color_config.chroma_sample_position,
> +            .film_grain_params_present  = seq->film_grain_params_present,
> +        },
> +        .current_frame = pic->output_surface,
> +        .current_display_picture = pic->output_surface,
> +        .frame_width_minus1 = seq->max_frame_width_minus_1,
> +        .frame_height_minus1 = seq->max_frame_height_minus_1,

Should be frame->frame_width_minus_1 and frame->frame_height_minus_1
(Both are now always filled even if not coded in the bitstream).
diff mbox series

Patch

diff --git a/Changelog b/Changelog
index 3ff88cc12f..799ebcdccd 100644
--- a/Changelog
+++ b/Changelog
@@ -15,6 +15,7 @@  version <next>:
 - Argonaut Games ASF muxer
 - AV1 Low overhead bitstream format demuxer
 - AV1 decoder (Hardware acceleration used only)
+- AV1 VAAPI decoder
 
 
 version 4.3:
diff --git a/configure b/configure
index ef71e47c4e..2bdfff204a 100755
--- a/configure
+++ b/configure
@@ -2916,6 +2916,8 @@  videotoolbox_hwaccel_deps="videotoolbox pthreads"
 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
 xvmc_deps="X11_extensions_XvMClib_h"
 
+av1_vaapi_hwaccel_deps="vaapi_1_8"
+av1_vaapi_hwaccel_select="av1_decoder"
 h263_vaapi_hwaccel_deps="vaapi"
 h263_vaapi_hwaccel_select="h263_decoder"
 h263_videotoolbox_hwaccel_deps="videotoolbox"
@@ -6679,6 +6681,7 @@  if enabled vaapi; then
     fi
 
     check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"
+    check_cpp_condition vaapi_1_8 "va/va.h" "VA_CHECK_VERSION(1, 8, 0)"
 
     check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
     check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 2371039bd2..fe4cd06942 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -949,6 +949,7 @@  OBJS-$(CONFIG_VP9_NVDEC_HWACCEL)          += nvdec_vp9.o
 OBJS-$(CONFIG_VP9_VAAPI_HWACCEL)          += vaapi_vp9.o
 OBJS-$(CONFIG_VP9_VDPAU_HWACCEL)          += vdpau_vp9.o
 OBJS-$(CONFIG_VP8_QSV_HWACCEL)            += qsvdec_other.o
+OBJS-$(CONFIG_AV1_VAAPI_HWACCEL)          += vaapi_av1.o
 
 # libavformat dependencies
 OBJS-$(CONFIG_ISO_MEDIA)               += mpeg4audio.o mpegaudiodata.o
diff --git a/libavcodec/av1dec.c b/libavcodec/av1dec.c
index ab88ed987a..d212c19f2b 100644
--- a/libavcodec/av1dec.c
+++ b/libavcodec/av1dec.c
@@ -286,7 +286,7 @@  static int get_pixel_format(AVCodecContext *avctx)
     uint8_t bit_depth;
     int ret = 0;
     enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;
-#define HWACCEL_MAX (0)
+#define HWACCEL_MAX (CONFIG_AV1_VAAPI_HWACCEL)
     enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmtp = pix_fmts;
 
     if (seq->seq_profile == 2 && seq->color_config.high_bitdepth)
@@ -347,6 +347,24 @@  static int get_pixel_format(AVCodecContext *avctx)
         return -1;
     s->pix_fmt = pix_fmt;
 
+    switch (s->pix_fmt) {
+    case AV_PIX_FMT_YUV420P:
+#if CONFIG_AV1_VAAPI_HWACCEL
+        *fmtp++ = AV_PIX_FMT_VAAPI;
+#endif
+        break;
+    case AV_PIX_FMT_YUV420P10:
+#if CONFIG_AV1_VAAPI_HWACCEL
+        *fmtp++ = AV_PIX_FMT_VAAPI;
+#endif
+        break;
+    case AV_PIX_FMT_YUV420P12:
+#if CONFIG_AV1_VAAPI_HWACCEL
+        *fmtp++ = AV_PIX_FMT_VAAPI;
+#endif
+        break;
+    }
+
     *fmtp++ = s->pix_fmt;
     *fmtp = AV_PIX_FMT_NONE;
     ret = ff_thread_get_format(avctx, pix_fmts);
@@ -741,6 +759,9 @@  AVCodec ff_av1_decoder = {
     .flush                 = av1_decode_flush,
     .profiles              = NULL_IF_CONFIG_SMALL(ff_av1_profiles),
     .hw_configs            = (const AVCodecHWConfigInternal * []) {
+#if CONFIG_AV1_VAAPI_HWACCEL
+        HWACCEL_VAAPI(av1),
+#endif
         NULL
     },
 };
diff --git a/libavcodec/hwaccels.h b/libavcodec/hwaccels.h
index 6109c89bd6..18e9079c55 100644
--- a/libavcodec/hwaccels.h
+++ b/libavcodec/hwaccels.h
@@ -21,6 +21,7 @@ 
 
 #include "avcodec.h"
 
+extern const AVHWAccel ff_av1_vaapi_hwaccel;
 extern const AVHWAccel ff_h263_vaapi_hwaccel;
 extern const AVHWAccel ff_h263_videotoolbox_hwaccel;
 extern const AVHWAccel ff_h264_d3d11va_hwaccel;
diff --git a/libavcodec/vaapi_av1.c b/libavcodec/vaapi_av1.c
new file mode 100644
index 0000000000..8a046031dc
--- /dev/null
+++ b/libavcodec/vaapi_av1.c
@@ -0,0 +1,287 @@ 
+/*
+ * AV1 HW decode acceleration through VA API
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/pixdesc.h"
+#include "hwconfig.h"
+#include "vaapi_decode.h"
+#include "av1dec.h"
+
+static VASurfaceID vaapi_av1_surface_id(AV1Frame *vf)
+{
+    if (vf)
+        return ff_vaapi_get_surface_id(vf->tf.f);
+    else
+        return VA_INVALID_SURFACE;
+}
+
+static VAAV1TransformationType vaapi_av1_get_gm_type(uint8_t type)
+{
+    if (type == AV1_WARP_MODEL_IDENTITY)
+       return VAAV1TransformationIdentity;
+    else if (type == AV1_WARP_MODEL_TRANSLATION)
+       return VAAV1TransformationTranslation;
+    else if (type == AV1_WARP_MODEL_ROTZOOM)
+       return VAAV1TransformationRotzoom;
+    else if (type == AV1_WARP_MODEL_AFFINE)
+       return VAAV1TransformationAffine;
+    else
+       return VAAV1TransformationIdentity;
+}
+
+static uint8_t vaapi_av1_get_bit_depth_idx(AVCodecContext *avctx)
+{
+    AV1DecContext *s = avctx->priv_data;
+    const AV1RawSequenceHeader *seq = &s->raw_seq;
+    uint8_t bit_depth = 8;
+
+    if (seq->seq_profile == 2 && seq->color_config.high_bitdepth)
+        bit_depth = seq->color_config.twelve_bit ? 12 : 10;
+    else if (seq->seq_profile <= 2)
+        bit_depth = seq->color_config.high_bitdepth ? 10 : 8;
+    else {
+        av_log(avctx, AV_LOG_ERROR,
+               "Couldn't get bit depth from profile:%d.\n", seq->seq_profile);
+    }
+    return bit_depth == 8 ? 0 : bit_depth == 10 ? 1 : 2;
+}
+
+static int vaapi_av1_start_frame(AVCodecContext *avctx,
+                                 av_unused const uint8_t *buffer,
+                                 av_unused uint32_t size)
+{
+    AV1DecContext *s = avctx->priv_data;
+    const AV1RawSequenceHeader *seq = &s->raw_seq;
+    const AV1RawFrameHeader *frame_header = &s->raw_frame_header;
+    VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
+    VADecPictureParameterBufferAV1 pic_param;
+    int err, i, j;
+    uint8_t lr_type[4] = {AV1_RESTORE_NONE, AV1_RESTORE_SWITCHABLE, AV1_RESTORE_WIENER, AV1_RESTORE_SGRPROJ};
+
+    pic->output_surface = vaapi_av1_surface_id(&s->cur_frame);
+
+    memset(&pic_param, 0, sizeof(VADecPictureParameterBufferAV1));
+    pic_param = (VADecPictureParameterBufferAV1) {
+        .profile = seq->seq_profile,
+        .order_hint_bits_minus_1 = seq->order_hint_bits_minus_1,
+        .bit_depth_idx = vaapi_av1_get_bit_depth_idx(avctx),
+        .seq_info_fields.fields = {
+            .still_picture = seq->still_picture,
+            .use_128x128_superblock = seq->use_128x128_superblock,
+            .enable_filter_intra = seq->enable_filter_intra,
+            .enable_intra_edge_filter = seq->enable_intra_edge_filter,
+            .enable_interintra_compound = seq->enable_interintra_compound,
+            .enable_masked_compound = seq->enable_masked_compound,
+            .enable_dual_filter = seq->enable_dual_filter,
+            .enable_order_hint = seq->enable_order_hint,
+            .enable_jnt_comp = seq->enable_jnt_comp,
+            .enable_cdef = seq->enable_cdef,
+            .mono_chrome = seq->color_config.mono_chrome,
+            .color_range = seq->color_config.color_range,
+            .subsampling_x = seq->color_config.subsampling_x,
+            .subsampling_y = seq->color_config.subsampling_y,
+            .chroma_sample_position = seq->color_config.chroma_sample_position,
+            .film_grain_params_present  = seq->film_grain_params_present,
+        },
+        .current_frame = pic->output_surface,
+        .current_display_picture = pic->output_surface,
+        .frame_width_minus1 = seq->max_frame_width_minus_1,
+        .frame_height_minus1 = seq->max_frame_height_minus_1,
+        .primary_ref_frame = frame_header->primary_ref_frame,
+        .order_hint = frame_header->order_hint,
+        .seg_info.segment_info_fields.bits = {
+            .enabled = frame_header->segmentation_enabled,
+            .update_map = frame_header->segmentation_update_map,
+            .temporal_update = frame_header->segmentation_temporal_update,
+            .update_data = frame_header->segmentation_update_data,
+        },
+        .film_grain_info.film_grain_info_fields.bits = {
+            .apply_grain = frame_header->apply_grain,
+            .chroma_scaling_from_luma = frame_header->chroma_scaling_from_luma,
+            .grain_scaling_minus_8 = frame_header->grain_scaling_minus_8,
+            .ar_coeff_lag = frame_header->ar_coeff_lag,
+            .ar_coeff_shift_minus_6 = frame_header->ar_coeff_shift_minus_6,
+            .grain_scale_shift = frame_header->grain_scale_shift,
+            .overlap_flag = frame_header->overlap_flag,
+            .clip_to_restricted_range = frame_header->clip_to_restricted_range,
+        },
+        .tile_cols = frame_header->tile_cols,
+        .tile_rows = frame_header->tile_rows,
+        .context_update_tile_id = frame_header->context_update_tile_id,
+        .pic_info_fields.bits = {
+            .frame_type = frame_header->frame_type,
+            .show_frame = frame_header->show_frame,
+            .showable_frame = frame_header->showable_frame,
+            .error_resilient_mode = frame_header->error_resilient_mode,
+            .disable_cdf_update = frame_header->disable_cdf_update,
+            .allow_screen_content_tools = frame_header->allow_screen_content_tools,
+            .force_integer_mv = frame_header->force_integer_mv,
+            .allow_intrabc = frame_header->allow_intrabc,
+            .use_superres = frame_header->use_superres,
+            .allow_high_precision_mv = frame_header->allow_high_precision_mv,
+            .is_motion_mode_switchable = frame_header->is_motion_mode_switchable,
+            .use_ref_frame_mvs = frame_header->use_ref_frame_mvs,
+            .disable_frame_end_update_cdf = frame_header->disable_frame_end_update_cdf,
+            .uniform_tile_spacing_flag = frame_header->uniform_tile_spacing_flag,
+            .allow_warped_motion = frame_header->allow_warped_motion,
+        },
+        .interp_filter = frame_header->interpolation_filter,
+        .filter_level[0] = frame_header->loop_filter_level[0],
+        .filter_level[1] = frame_header->loop_filter_level[1],
+        .filter_level_u = frame_header->loop_filter_level[2],
+        .filter_level_v = frame_header->loop_filter_level[3],
+        .loop_filter_info_fields.bits = {
+            .sharpness_level = frame_header->loop_filter_sharpness,
+            .mode_ref_delta_enabled = s->cur_frame.loop_filter_delta_enabled,
+            .mode_ref_delta_update = frame_header->loop_filter_delta_update,
+        },
+        .base_qindex = frame_header->base_q_idx,
+        .qmatrix_fields.bits.using_qmatrix = frame_header->using_qmatrix,
+        .mode_control_fields.bits = {
+            .delta_q_present_flag = frame_header->delta_q_present,
+            .log2_delta_q_res = frame_header->delta_q_res,
+            .tx_mode = frame_header->tx_mode,
+            .reference_select = frame_header->reference_select,
+            .reduced_tx_set_used = frame_header->reduced_tx_set,
+            .skip_mode_present = frame_header->skip_mode_present,
+        },
+        .cdef_damping_minus_3 = frame_header->cdef_damping_minus_3,
+        .cdef_bits = frame_header->cdef_bits,
+        .loop_restoration_fields.bits = {
+            .yframe_restoration_type = lr_type[frame_header->lr_type[0]],
+            .cbframe_restoration_type = lr_type[frame_header->lr_type[1]],
+            .crframe_restoration_type = lr_type[frame_header->lr_type[2]],
+            .lr_unit_shift = frame_header->lr_unit_shift,
+            .lr_uv_shift = frame_header->lr_uv_shift,
+        },
+    };
+
+    for (i = 0; i < 8; i++) {
+        if (pic_param.pic_info_fields.bits.frame_type == AV1_FRAME_KEY)
+            pic_param.ref_frame_map[i] = VA_INVALID_ID;
+        else
+            pic_param.ref_frame_map[i] = vaapi_av1_surface_id(&s->ref[i]);
+        av_log(avctx, AV_LOG_DEBUG, "Vaapi set ref surface id: %d - 0x:%x\n",
+               i, pic_param.ref_frame_map[i]);
+    }
+    for (i = 0; i < 7; i++) {
+        pic_param.ref_frame_idx[i] = frame_header->ref_frame_idx[i];
+    }
+    for (i = 0; i < 8; i++) {
+        pic_param.ref_deltas[i] = s->cur_frame.loop_filter_ref_deltas[i];
+    }
+    for (i = 0; i < 2; i++) {
+        pic_param.mode_deltas[i] = s->cur_frame.loop_filter_mode_deltas[i];
+    }
+    for (i = 0; i < 8; i++) {
+        pic_param.cdef_y_strengths[i] =
+            (frame_header->cdef_y_pri_strength[i] << 2) +
+                frame_header->cdef_y_sec_strength[i];
+        pic_param.cdef_uv_strengths[i] =
+            (frame_header->cdef_uv_pri_strength[i] << 2) +
+                frame_header->cdef_uv_sec_strength[i];
+    }
+    for (i = 0; i < frame_header->tile_cols; i++) {
+        pic_param.width_in_sbs_minus_1[i] =
+            s->tile_group_info[i].tile_width_sbs - 1;
+    }
+    for (i = 0; i < frame_header->tile_rows; i++) {
+        pic_param.height_in_sbs_minus_1[i] =
+            s->tile_group_info[i * (frame_header->tile_cols + 1)].tile_height_sbs - 1;
+    }
+    for (i = AV1_REF_FRAME_LAST; i <= AV1_REF_FRAME_ALTREF; i++) {
+        pic_param.wm[i - 1].wmtype =
+            vaapi_av1_get_gm_type(s->cur_frame.gm_type[i]);
+        for (j=0; j<6; j++)
+            pic_param.wm[i - 1].wmmat[j] = s->cur_frame.gm_params[i][j];
+    }
+    err = ff_vaapi_decode_make_param_buffer(avctx, pic,
+                                            VAPictureParameterBufferType,
+                                            &pic_param, sizeof(pic_param));
+    if (err < 0)
+        goto fail;
+
+    return 0;
+
+fail:
+    ff_vaapi_decode_cancel(avctx, pic);
+    return err;
+}
+
+static int vaapi_av1_end_frame(AVCodecContext *avctx)
+{
+    const AV1DecContext *s = avctx->priv_data;
+    VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
+    return ff_vaapi_decode_issue(avctx, pic);
+}
+
+static int vaapi_av1_decode_slice(AVCodecContext *avctx,
+                                  const uint8_t *buffer,
+                                  uint32_t size)
+{
+    const AV1DecContext *s = avctx->priv_data;
+    VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
+    VASliceParameterBufferAV1 slice_param;
+    uint32_t offset;
+    int i;
+    int err;
+
+    for (i = s->tg_start; i <= s->tg_end; i++) {
+        memset(&slice_param, 0, sizeof(VASliceParameterBufferAV1));
+        offset = s->tile_group_info[i].tile_group_offset +
+                     s->tile_group_info[i].tile_offset;
+
+        slice_param = (VASliceParameterBufferAV1) {
+            .slice_data_size = s->tile_group_info[i].tile_size,
+            .slice_data_offset = 0,
+            .slice_data_flag = VA_SLICE_DATA_FLAG_ALL,
+            .tile_row = s->tile_group_info[i].tile_row,
+            .tile_column = s->tile_group_info[i].tile_column,
+            .tg_start = s->tg_start,
+            .tg_end = s->tg_end,
+        };
+
+        err = ff_vaapi_decode_make_slice_buffer(avctx, pic, &slice_param,
+                                                sizeof(VASliceParameterBufferAV1),
+                                                buffer + offset,
+                                                s->tile_group_info[i].tile_size);
+        if (err) {
+            ff_vaapi_decode_cancel(avctx, pic);
+            return err;
+        }
+    }
+
+    return 0;
+}
+
+const AVHWAccel ff_av1_vaapi_hwaccel = {
+    .name                 = "av1_vaapi",
+    .type                 = AVMEDIA_TYPE_VIDEO,
+    .id                   = AV_CODEC_ID_AV1,
+    .pix_fmt              = AV_PIX_FMT_VAAPI,
+    .start_frame          = vaapi_av1_start_frame,
+    .end_frame            = vaapi_av1_end_frame,
+    .decode_slice         = vaapi_av1_decode_slice,
+    .frame_priv_data_size = sizeof(VAAPIDecodePicture),
+    .init                 = ff_vaapi_decode_init,
+    .uninit               = ff_vaapi_decode_uninit,
+    .frame_params         = ff_vaapi_common_frame_params,
+    .priv_data_size       = sizeof(VAAPIDecodeContext),
+    .caps_internal        = HWACCEL_CAP_ASYNC_SAFE,
+};
diff --git a/libavcodec/vaapi_decode.c b/libavcodec/vaapi_decode.c
index 5e4f62baad..2a38910cf8 100644
--- a/libavcodec/vaapi_decode.c
+++ b/libavcodec/vaapi_decode.c
@@ -410,6 +410,11 @@  static const struct {
 #if VA_CHECK_VERSION(0, 39, 0)
     MAP(VP9,         VP9_2,           VP9Profile2 ),
 #endif
+#if VA_CHECK_VERSION(1, 8, 0)
+    MAP(AV1,         AV1_MAIN,        AV1Profile0),
+    MAP(AV1,         AV1_HIGH,        AV1Profile1),
+#endif
+
 #undef MAP
 };
 
@@ -580,6 +585,9 @@  static int vaapi_decode_make_config(AVCodecContext *avctx,
         case AV_CODEC_ID_VP8:
             frames->initial_pool_size += 3;
             break;
+        case AV_CODEC_ID_AV1:
+            frames->initial_pool_size += 8;
+            break;
         default:
             frames->initial_pool_size += 2;
         }
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 5bdfdce363..91e0564570 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,7 +29,7 @@ 
 
 #define LIBAVCODEC_VERSION_MAJOR  58
 #define LIBAVCODEC_VERSION_MINOR 101
-#define LIBAVCODEC_VERSION_MICRO 100
+#define LIBAVCODEC_VERSION_MICRO 101
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \