Gstbufferimpl

Author: glwx

August undefined, 2024

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WebMay 13, 2024 · 0. 概述缓冲区是 GStreamer 中数据传输的基本单元。它们包含定时和偏移量以及与缓冲区包含的 GstMemory 块关联的其他任意元数据。缓冲区通常是用 gst_buffer_new 创建的。创建缓冲区后，通常会为其分配内存并将其添加到缓冲区中。下面的示例创建一个缓冲区，该缓冲区可以容纳每个平面具有给定宽度 ... WebNov 28, 2015 · Buffer flow: GstBufferImpl typedef struct { GstBuffer buffer; gsize slice_size; /* the memory blocks */ guint len; GstMemory *mem[GST_BUFFER_MEM_MAX]; /* … društvene promjene sociologija

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WebGstBuffer. Buffers are the basic unit of data transfer in GStreamer. They contain the timing and offset along with other arbitrary metadata that is associated with the GstMemory … Web1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 ... WebApr 10, 2024 · 通常我们需要获取GstBuffer的data数据是通过接口gst_buffer_map得到的，进入gst_buffer_map接口的具体实现，我们可以发现，Gstreamer通 … drustvene mreze za upoznavanje

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Gstbufferimpl

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Web通常我们需要获取GstBuffer的data数据是通过接口gst_buffer_map得到的，进入gst_buffer_map接口的具体实现，我们可以发现，Gstreamer通过_get_merged_memory … WebGstBufferImpl继承自GstBuffer，包含GstMemory， GstMetaItem等成员，GstMemory用来装数据，GstMeta用来装meta数据，GstMetaItem是个链表，可以为GstBuffer添加，删除GstMeta。 ...

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Web* GstBuffer *buffer; * gint size, width, height, bpp; * ... * size = width * height * bpp; * buffer = gst_buffer_new (); * GST_BUFFER_SIZE (buffer) = size; * GST ... Web* GstBuffer *buffer; * GstMemory *memory; * gint size, width, height, bpp; * ... * size = width * height * bpp; * buffer = gst_buffer_new (); * memory = gst_allocator ...

WebIt's not allowed to re-implement GstBuffer, and in any case the internal GstBufferImpl isn't public. So actually, unlike most GStreamer public structs, I don't think we need padding. However, the rest of Matej's points in comment #20 are valid, and I think storing dts offset makes a lot of calculations more complex. Particularly, having the ts ... WebMar 28, 2012 · gstreamer/gst/gstbuffer.c. * version 2 of the License, or (at your option) any later version. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See …

WebDec 11, 2015 · GstBuffer は、内部に持っているメモリブロックを列べ、あたかも連続したメモリ空間のように見せてくれます。その時 maxsize として見えるのは最後のメモリ … Webgst_buffer_add_parent_buffer_meta() is used when a GstBuffer uses GstMemory from another buffer that was allocated from a pool. In that case we want to make sure the buffer returns to the pool when the memory is writable again, …

WebUsually we need to getGstBuffer of data Data is through interfacegst_buffer_map Get, entergst_buffer_map The specific implementation of the interface, we can find that …

WebAug 12, 2004 · Alternatively, use gst_buffer_new_and_alloc() to create a buffer with preallocated data of a given size.. If an element knows what pad you will push the buffer … ravintola 3. linja brunssiWebstatic GstMemory *_gst_buffer_arr_span (GstMemory ** mem[], gsize len[], društveni domovi u zabokuWebNov 23, 2005 · Description. Buffers are the basic unit of data transfer in GStreamer. The GstBuffer type provides all the state necessary to define a region of memory as part of a … ravintola b5 black