qsvdec: move reading the user-provided session to qsv_decode_init()

[ffmpeg] / libavcodec / h264dsp.h

diff --git a/libavcodec/h264dsp.h b/libavcodec/h264dsp.h
index 1f9f8fe82303e3abc8adfcd6c2ab1504ee6b5e36..3a5b25b4f3dd413bda607ba9ad7151cf371d18bb 100644 (file)
--- a/libavcodec/h264dsp.h
+++ b/libavcodec/h264dsp.h
@@ -70,7 +70,7 @@ typedef struct H264DSPContext {
                                             int stride, int alpha, int beta);
     void (*h264_h_loop_filter_chroma_mbaff_intra)(uint8_t *pix /*align 8*/,
                                                   int stride, int alpha, int beta);
-    // h264_loop_filter_strength: simd only. the C version is inlined in h264.c
+    // h264_loop_filter_strength: simd only. the C version is inlined in h264_loopfilter.c
     void (*h264_loop_filter_strength)(int16_t bS[2][4][4], uint8_t nnz[40],
                                       int8_t ref[2][40], int16_t mv[2][40][2],
                                       int bidir, int edges, int step,
@@ -105,10 +105,21 @@ typedef struct H264DSPContext {
     /* bypass-transform */
     void (*h264_add_pixels8_clear)(uint8_t *dst, int16_t *block, int stride);
     void (*h264_add_pixels4_clear)(uint8_t *dst, int16_t *block, int stride);
+
+    /**
+     * Search buf from the start for up to size bytes. Return the index
+     * of a zero byte, or >= size if not found. Ideally, use lookahead
+     * to filter out any zero bytes that are known to not be followed by
+     * one or more further zero bytes and a one byte. Better still, filter
+     * out any bytes that form the trailing_zero_8bits syntax element too.
+     */
+    int (*startcode_find_candidate)(const uint8_t *buf, int size);
 } H264DSPContext;
 
 void ff_h264dsp_init(H264DSPContext *c, const int bit_depth,
                      const int chroma_format_idc);
+void ff_h264dsp_init_aarch64(H264DSPContext *c, const int bit_depth,
+                             const int chroma_format_idc);
 void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth,
                          const int chroma_format_idc);
 void ff_h264dsp_init_ppc(H264DSPContext *c, const int bit_depth,