C / C++ / MFC

RahulOP wrote:

gave me a lot of linker errors LNK 2019 and LNK2001

VuNic wrote:

I think he's shooting in the dark!

AVCodec *codec;<br />
    AVCodecContext *c= NULL;<br />
    int frame_size, i, j, out_size, outbuf_size;<br />
    FILE *f;<br />
    short *samples;<br />
    float t, tincr;<br />
    uint8_t *outbuf;<br />
    /* find the MP2 encoder */<br />
    codec = avcodec_find_encoder(CODEC_ID_MP2);<br />
    c= avcodec_alloc_context();<br />
        /* put sample parameters */<br />
    c->bit_rate = 64000;<br />
    c->sample_rate = 44100;<br />
    c->channels = 2;

RahulOP wrote:

Would you mind giving me your e-mail address?

AVCodec *codec;<br />
 int i, out_size, size, x, y, outbuf_size;<br />
    FILE *f;    <br />
    uint8_t *outbuf, *picture_buf;<br />
<br />
<br />
HMODULE hDll3 = LoadLibrary("avcodec.dll");<br />
typedef void (avcodec_find_encoder)(int CODECID);<br />
avcodec_find_encoder* p3 = (avcodec_find_encoder*)GetProcAddress(hDll3, "avcodec_find_encoder");<br />
if(p3==NULL)<br />
AfxMessageBox("Failed loading3");<br />
p3(CODEC_ID_MPEG1VIDEO);<br />
if(p3==NULL)<br />
AfxMessageBox("Failed loading3");<br />
<br />
<br />
codec=(AVCodec *)p3;<br />
<br />
HMODULE hDll4 = LoadLibrary("avcodec.dll");<br />
//(hDll should not be NULL here)<br />
typedef AVCodecContext* (avcodec_alloc_context)();<br />
avcodec_alloc_context* p4 = (avcodec_alloc_context*)GetProcAddress(hDll4, "avcodec_alloc_context");<br />
if(p4==NULL)<br />
AfxMessageBox("Failed loading4");<br />
p4();<br />
if(p4==NULL)<br />
AfxMessageBox("Failed loading4");<br />
<br />
AVCodecContext *avctx = p4();<br />
<br />
    avctx->bit_rate=400000;<br />
    avctx->width = 352;  <br />
    avctx->height = 288;<br />
    /* frames per second */<br />
    avctx->frame_rate = 25;  <br />
    avctx->frame_rate_base= 1;<br />
    avctx->gop_size = 10; /* emit one intra frame every ten frames */<br />
    avctx->max_b_frames=1;<br />
<br />
HMODULE hDll2 = LoadLibrary("avcodec.dll");<br />
//(hDll should not be NULL here)<br />
typedef int (avcodec_open)(AVCodecContext *avctx, AVCodec *codec);<br />
avcodec_open* p2 = (avcodec_open*)GetProcAddress(hDll2, "avcodec_open");<br />
if(p2==NULL)<br />
AfxMessageBox("Failed loading2");<br />
p2((AVCodecContext *)p4,(AVCodec*)p3);<br />

codec=(AVCodec *)p3

HMODULE hDll3 = LoadLibrary("avcodec.dll");
typedef (AVCode*)(avcodec_find_encoder)(int CODECID);
avcodec_find_encoder* p3 = (avcodec_find_encoder*)GetProcAddress(hDll3, "avcodec_find_encoder");
if(p3==NULL)
AfxMessageBox("Failed loading3");
p3(CODEC_ID_MPEG1VIDEO);
if(p3==NULL)
AfxMessageBox("Failed loading3");

// Call the function and get the result:
AVCodec* codec = p3(...);

RahulOP wrote:

p2((AVCodecContext *)p4,(AVCodec*)p3);

AVCodecContext* pContext = p4();
AVCoded* pCoded = p3(...);    // Don't forget to pass a parameter

// You can modify pContext and pCodec before passing them to p2, of course

p2(pContext,pCoded);

RahulOP wrote:

avctx=(AVCodecContext *)p4;

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angelfirefox wrote:

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"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

_johan wrote:

s there any way to set where a file begins (like SetEndOfFile except that it sets the beginning of the file)? I have a situation where I need to make files smaller by deleting data from the beginning, and reading and writing all the data is very inefficient.