shithub: libvpx

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Merge "Removing decoded_key_frame flag."

--- a/vp9/decoder/vp9_decodeframe.c

+++ b/vp9/decoder/vp9_decodeframe.c

@@ -1317,9 +1317,9 @@

   return rb;

 }

-int vp9_decode_frame(VP9Decoder *pbi,

-                     const uint8_t *data, const uint8_t *data_end,

-                     const uint8_t **p_data_end) {

+void vp9_decode_frame(VP9Decoder *pbi,

+                      const uint8_t *data, const uint8_t *data_end,

+                      const uint8_t **p_data_end) {

   VP9_COMMON *const cm = &pbi->common;

   MACROBLOCKD *const xd = &pbi->mb;

   struct vp9_read_bit_buffer rb = { 0 };

@@ -1326,7 +1326,6 @@

   uint8_t clear_data[MAX_VP9_HEADER_SIZE];

   const size_t first_partition_size = read_uncompressed_header(pbi,

       init_read_bit_buffer(pbi, &rb, data, data_end, clear_data));

-  const int keyframe = cm->frame_type == KEY_FRAME;

   const int tile_rows = 1 << cm->log2_tile_rows;

   const int tile_cols = 1 << cm->log2_tile_cols;

   YV12_BUFFER_CONFIG *const new_fb = get_frame_new_buffer(cm);

@@ -1335,12 +1334,9 @@

   if (!first_partition_size) {

     // showing a frame directly

     *p_data_end = data + 1;

-    return 0;

+    return;

   }

-  if (!pbi->decoded_key_frame && !keyframe)

-    return -1;

-

   data += vp9_rb_bytes_read(&rb);

   if (!read_is_valid(data, first_partition_size, data_end))

     vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,

@@ -1377,14 +1373,6 @@

   new_fb->corrupted |= xd->corrupted;

-  if (!pbi->decoded_key_frame) {

-    if (keyframe && !new_fb->corrupted)

-      pbi->decoded_key_frame = 1;

-    else

-      vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,

-                         "A stream must start with a complete key frame");

-  }

-

   if (!new_fb->corrupted) {

     if (!cm->error_resilient_mode && !cm->frame_parallel_decoding_mode) {

       vp9_adapt_coef_probs(cm);

@@ -1400,6 +1388,4 @@

   if (cm->refresh_frame_context)

     cm->frame_contexts[cm->frame_context_idx] = cm->fc;

-

-  return 0;

 }

--- a/vp9/decoder/vp9_decodeframe.h

+++ b/vp9/decoder/vp9_decodeframe.h

@@ -21,9 +21,9 @@

 void vp9_init_dequantizer(struct VP9Common *cm);

-int vp9_decode_frame(struct VP9Decoder *pbi,

-                     const uint8_t *data, const uint8_t *data_end,

-                     const uint8_t **p_data_end);

+void vp9_decode_frame(struct VP9Decoder *pbi,

+                      const uint8_t *data, const uint8_t *data_end,

+                      const uint8_t **p_data_end);

 #ifdef __cplusplus

 }  // extern "C"

--- a/vp9/decoder/vp9_decoder.c

+++ b/vp9/decoder/vp9_decoder.c

@@ -67,7 +67,6 @@

   cm->current_video_frame = 0;

   pbi->ready_for_new_data = 1;

-  pbi->decoded_key_frame = 0;

   // vp9_init_dequantizer() is first called here. Add check in

   // frame_init_dequantizer() to avoid unnecessary calling of

@@ -267,15 +266,7 @@

   cm->error.setjmp = 1;

-  retcode = vp9_decode_frame(pbi, source, source + size, psource);

-

-  if (retcode < 0) {

-    cm->error.error_code = VPX_CODEC_ERROR;

-    cm->error.setjmp = 0;

-    if (cm->frame_bufs[cm->new_fb_idx].ref_count > 0)

-      cm->frame_bufs[cm->new_fb_idx].ref_count--;

-    return retcode;

-  }

+  vp9_decode_frame(pbi, source, source + size, psource);

   swap_frame_buffers(pbi);

--- a/vp9/decoder/vp9_decoder.h

+++ b/vp9/decoder/vp9_decoder.h

@@ -43,8 +43,6 @@

   int refresh_frame_flags;

-  int decoded_key_frame;

-

   VP9Worker lf_worker;

   VP9Worker *tile_workers;

   int num_tile_workers;

--- a/vp9/vp9_dx_iface.c

+++ b/vp9/vp9_dx_iface.c

@@ -260,6 +260,9 @@

                                  ctx->decrypt_state);

     if (res != VPX_CODEC_OK)

       return res;

+

+    if (!ctx->si.is_kf)

+      return VPX_CODEC_ERROR;

   }

   // Initialize the decoder instance on the first frame

-- 

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