ref: cf54b8804341aacd54b1261c2c6610d92de0666d
parent: f29961dbd751a8b3f5df17418dbf71d8c3483629
author: Adrian Grange <agrange@google.com>
date: Fri Feb 13 03:14:44 EST 2015
Add VP9 decoder control to get frame size Adds a control function that allows the caller to get the size of the current frame. Change-Id: Iddfdedc0f3aa9aa46119f87d294681c82f275c9f
--- a/test/decode_api_test.cc
+++ b/test/decode_api_test.cc
@@ -80,6 +80,7 @@
VP8D_GET_LAST_REF_UPDATES,
VP8D_GET_FRAME_CORRUPTED,
VP9D_GET_DISPLAY_SIZE,
+ VP9D_GET_FRAME_SIZE
};
int val[2];
--- a/vp9/vp9_dx_iface.c
+++ b/vp9/vp9_dx_iface.c
@@ -923,6 +923,33 @@
}
}
+static vpx_codec_err_t ctrl_get_frame_size(vpx_codec_alg_priv_t *ctx,
+ va_list args) {+ int *const frame_size = va_arg(args, int *);
+
+ // Only support this function in serial decode.
+ if (ctx->frame_parallel_decode) {+ set_error_detail(ctx, "Not supported in frame parallel decode");
+ return VPX_CODEC_INCAPABLE;
+ }
+
+ if (frame_size) {+ if (ctx->frame_workers) {+ VP9Worker *const worker = ctx->frame_workers;
+ FrameWorkerData *const frame_worker_data =
+ (FrameWorkerData *)worker->data1;
+ const VP9_COMMON *const cm = &frame_worker_data->pbi->common;
+ frame_size[0] = cm->width;
+ frame_size[1] = cm->height;
+ return VPX_CODEC_OK;
+ } else {+ return VPX_CODEC_ERROR;
+ }
+ } else {+ return VPX_CODEC_INVALID_PARAM;
+ }
+}
+
static vpx_codec_err_t ctrl_get_display_size(vpx_codec_alg_priv_t *ctx,
va_list args) {int *const display_size = va_arg(args, int *);
@@ -1027,6 +1054,7 @@
{VP9_GET_REFERENCE, ctrl_get_reference}, {VP9D_GET_DISPLAY_SIZE, ctrl_get_display_size}, {VP9D_GET_BIT_DEPTH, ctrl_get_bit_depth},+ {VP9D_GET_FRAME_SIZE, ctrl_get_frame_size}, { -1, NULL},};
--- a/vpx/vp8dx.h
+++ b/vpx/vp8dx.h
@@ -76,7 +76,14 @@
VPXD_SET_DECRYPTOR,
VP8D_SET_DECRYPTOR = VPXD_SET_DECRYPTOR,
- /** control function to get the display dimensions for the current frame. */
+ /** control function to get the dimensions that the current frame is decoded
+ * at. This may be different to the intended display size for the frame as
+ * specified in the wrapper or frame header (see VP9D_GET_DISPLAY_SIZE). */
+ VP9D_GET_FRAME_SIZE,
+
+ /** control function to get the current frame's intended display dimensions
+ * (as specified in the wrapper or frame header). This may be different to
+ * the decoded dimensions of this frame (see VP9D_GET_FRAME_SIZE). */
VP9D_GET_DISPLAY_SIZE,
/** control function to get the bit depth of the stream. */
@@ -140,6 +147,7 @@
VPX_CTRL_USE_TYPE(VP8D_SET_DECRYPTOR, vpx_decrypt_init *)
VPX_CTRL_USE_TYPE(VP9D_GET_DISPLAY_SIZE, int *)
VPX_CTRL_USE_TYPE(VP9D_GET_BIT_DEPTH, unsigned int *)
+VPX_CTRL_USE_TYPE(VP9D_GET_FRAME_SIZE, int *)
VPX_CTRL_USE_TYPE(VP9_INVERT_TILE_DECODE_ORDER, int)
/*! @} - end defgroup vp8_decoder */