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h264: Remove MotionEstContext and move the relevant fields to H264Context 

Unused buffers scratchpad and temp have been dropped too.
This commit is contained in:
Vittorio Giovara 2014-02-27 18:43:28 +01:00
parent e3c2d0f3d4
commit 136034d86b
3 changed files with 14 additions and 17 deletions
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13
libavcodec/h264.c
View File

@ -357,17 +357,13 @@ static int alloc_scratch_buffers(H264Context *h, int linesize)
// edge emu needs blocksize + filter length - 1
// (= 21x21 for h264)
h->edge_emu_buffer = av_mallocz(alloc_size * 2 * 21);
h->me.scratchpad = av_mallocz(alloc_size * 2 * 16 * 2);
if (!h->bipred_scratchpad || !h->edge_emu_buffer || !h->me.scratchpad) {
if (!h->bipred_scratchpad || !h->edge_emu_buffer) {
av_freep(&h->bipred_scratchpad);
av_freep(&h->edge_emu_buffer);
av_freep(&h->me.scratchpad);
return AVERROR(ENOMEM);
}
h->me.temp = h->me.scratchpad;
return 0;
}
@ -1204,7 +1200,6 @@ static void free_tables(H264Context *h, int free_rbsp)
av_freep(&hx->bipred_scratchpad);
av_freep(&hx->edge_emu_buffer);
av_freep(&hx->dc_val_base);
av_freep(&hx->me.scratchpad);
av_freep(&hx->er.mb_index2xy);
av_freep(&hx->er.error_status_table);
av_freep(&hx->er.er_temp_buffer);
@ -1374,7 +1369,6 @@ static void clone_tables(H264Context *dst, H264Context *src, int i)
dst->cur_pic = src->cur_pic;
dst->bipred_scratchpad = NULL;
dst->edge_emu_buffer = NULL;
dst->me.scratchpad = NULL;
ff_h264_pred_init(&dst->hpc, src->avctx->codec_id, src->sps.bit_depth_luma,
src->sps.chroma_format_idc);
}
@ -1716,7 +1710,6 @@ static int decode_update_thread_context(AVCodecContext *dst,
memset(h->sps_buffers, 0, sizeof(h->sps_buffers));
memset(h->pps_buffers, 0, sizeof(h->pps_buffers));
memset(&h->er, 0, sizeof(h->er));
memset(&h->me, 0, sizeof(h->me));
memset(&h->mb, 0, sizeof(h->mb));
memset(&h->mb_luma_dc, 0, sizeof(h->mb_luma_dc));
memset(&h->mb_padding, 0, sizeof(h->mb_padding));
@ -3367,8 +3360,8 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
int needs_reinit = 0;
int field_pic_flag, bottom_field_flag;
h->me.qpel_put = h->h264qpel.put_h264_qpel_pixels_tab;
h->me.qpel_avg = h->h264qpel.avg_h264_qpel_pixels_tab;
h->qpel_put = h->h264qpel.put_h264_qpel_pixels_tab;
h->qpel_avg = h->h264qpel.avg_h264_qpel_pixels_tab;
first_mb_in_slice = get_ue_golomb(&h->gb);

6
libavcodec/h264.h
View File

@ -30,6 +30,7 @@
#include "libavutil/intreadwrite.h"
#include "cabac.h"
#include "dsputil.h"
#include "error_resilience.h"
#include "get_bits.h"
#include "mpegvideo.h"
@ -302,7 +303,6 @@ typedef struct H264Context {
H264DSPContext h264dsp;
H264ChromaContext h264chroma;
H264QpelContext h264qpel;
MotionEstContext me;
ParseContext parse_context;
GetBitContext gb;
ERContext er;
@ -693,6 +693,10 @@ typedef struct H264Context {
AVBufferPool *mb_type_pool;
AVBufferPool *motion_val_pool;
AVBufferPool *ref_index_pool;
/* Motion Estimation */
qpel_mc_func (*qpel_put)[16];
qpel_mc_func (*qpel_avg)[16];
} H264Context;
extern const uint8_t ff_h264_chroma_qp[3][QP_MAX_NUM + 1]; ///< One chroma qp table for each supported bit depth (8, 9, 10).

12
libavcodec/h264_mb_template.c
View File

@ -175,14 +175,14 @@ static av_noinline void FUNC(hl_decode_mb)(H264Context *h)
} else if (is_h264) {
if (chroma422) {
FUNC(hl_motion_422)(h, dest_y, dest_cb, dest_cr,
h->me.qpel_put, h->h264chroma.put_h264_chroma_pixels_tab,
h->me.qpel_avg, h->h264chroma.avg_h264_chroma_pixels_tab,
h->qpel_put, h->h264chroma.put_h264_chroma_pixels_tab,
h->qpel_avg, h->h264chroma.avg_h264_chroma_pixels_tab,
h->h264dsp.weight_h264_pixels_tab,
h->h264dsp.biweight_h264_pixels_tab);
} else {
FUNC(hl_motion_420)(h, dest_y, dest_cb, dest_cr,
h->me.qpel_put, h->h264chroma.put_h264_chroma_pixels_tab,
h->me.qpel_avg, h->h264chroma.avg_h264_chroma_pixels_tab,
h->qpel_put, h->h264chroma.put_h264_chroma_pixels_tab,
h->qpel_avg, h->h264chroma.avg_h264_chroma_pixels_tab,
h->h264dsp.weight_h264_pixels_tab,
h->h264dsp.biweight_h264_pixels_tab);
}
@ -354,8 +354,8 @@ static av_noinline void FUNC(hl_decode_mb_444)(H264Context *h)
linesize, 0, 1, SIMPLE, PIXEL_SHIFT);
} else {
FUNC(hl_motion_444)(h, dest[0], dest[1], dest[2],
h->me.qpel_put, h->h264chroma.put_h264_chroma_pixels_tab,
h->me.qpel_avg, h->h264chroma.avg_h264_chroma_pixels_tab,
h->qpel_put, h->h264chroma.put_h264_chroma_pixels_tab,
h->qpel_avg, h->h264chroma.avg_h264_chroma_pixels_tab,
h->h264dsp.weight_h264_pixels_tab,
h->h264dsp.biweight_h264_pixels_tab);
}