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C++ MPV_common_end函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中MPV_common_end函数的典型用法代码示例。如果您正苦于以下问题：C++ MPV_common_end函数的具体用法？C++ MPV_common_end怎么用？C++ MPV_common_end使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了MPV_common_end函数的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: rv10_decode_end

static int rv10_decode_end(AVCodecContext *avctx)
{
    MpegEncContext *s = avctx->priv_data;

    MPV_common_end(s);
    return 0;
}
开发者ID:paranojik，项目名称:multitv，代码行数:7，代码来源:rv10.c


示例2: ff_h263_decode_end

av_cold int ff_h263_decode_end(AVCodecContext *avctx)
{
    MpegEncContext *s = avctx->priv_data;

    MPV_common_end(s);
    return 0;
}
开发者ID:chance1254，项目名称:libav-android，代码行数:7，代码来源:h263dec.c


示例3: h261_decode_end

static av_cold int h261_decode_end(AVCodecContext *avctx)
{
    H261Context *h= avctx->priv_data;
    MpegEncContext *s = &h->s;

    MPV_common_end(s);
    return 0;
}
开发者ID:Bevara，项目名称:extra_libs_open，代码行数:8，代码来源:h261dec.c


示例4: ff_h263_decode_end

av_cold int ff_h263_decode_end(AVCodecContext *avctx)
{
    MpegEncContext *s = avctx->priv_data;

#if 1
    if (avctx->hwaccel) {
        avctx->hwaccel->decode_slice(avctx, NULL, 0);
    }
#endif                                                                  /*  add by cmj                      */

    MPV_common_end(s);
    return 0;
}
开发者ID:WangDongfang，项目名称:DfewOS，代码行数:13，代码来源:h263dec.c


示例5: h261_decode_frame

static int h261_decode_frame(AVCodecContext *avctx,
                             void *data, int *data_size,
                             AVPacket *avpkt)
{
    const uint8_t *buf = avpkt->data;
    int buf_size = avpkt->size;
    H261Context *h= avctx->priv_data;
    MpegEncContext *s = &h->s;
    int ret;
    AVFrame *pict = data;

    dprintf(avctx, "*****frame %d size=%d\n", avctx->frame_number, buf_size);
    dprintf(avctx, "bytes=%x %x %x %x\n", buf[0], buf[1], buf[2], buf[3]);
    s->flags= avctx->flags;
    s->flags2= avctx->flags2;

    h->gob_start_code_skipped=0;

retry:

    init_get_bits(&s->gb, buf, buf_size*8);

    if(!s->context_initialized){
        if (MPV_common_init(s) < 0) //we need the idct permutaton for reading a custom matrix
            return -1;
    }

    //we need to set current_picture_ptr before reading the header, otherwise we cannot store anyting im there
    if(s->current_picture_ptr==NULL || s->current_picture_ptr->data[0]){
        int i= ff_find_unused_picture(s, 0);
        s->current_picture_ptr= &s->picture[i];
    }

    ret = h261_decode_picture_header(h);

    /* skip if the header was thrashed */
    if (ret < 0){
        av_log(s->avctx, AV_LOG_ERROR, "header damaged\n");
        return -1;
    }

    if (s->width != avctx->coded_width || s->height != avctx->coded_height){
        ParseContext pc= s->parse_context; //FIXME move this demuxing hack to libavformat
        s->parse_context.buffer=0;
        MPV_common_end(s);
        s->parse_context= pc;
    }
    if (!s->context_initialized) {
        avcodec_set_dimensions(avctx, s->width, s->height);

        goto retry;
    }

    // for hurry_up==5
    s->current_picture.pict_type= s->pict_type;
    s->current_picture.key_frame= s->pict_type == FF_I_TYPE;

    /* skip everything if we are in a hurry>=5 */
    if(avctx->hurry_up>=5) return get_consumed_bytes(s, buf_size);
    if(  (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==FF_B_TYPE)
       ||(avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=FF_I_TYPE)
       || avctx->skip_frame >= AVDISCARD_ALL)
        return get_consumed_bytes(s, buf_size);

    if(MPV_frame_start(s, avctx) < 0)
        return -1;

    ff_er_frame_start(s);

    /* decode each macroblock */
    s->mb_x=0;
    s->mb_y=0;

    while(h->gob_number < (s->mb_height==18 ? 12 : 5)){
        if(ff_h261_resync(h)<0)
            break;
        h261_decode_gob(h);
    }
    MPV_frame_end(s);

assert(s->current_picture.pict_type == s->current_picture_ptr->pict_type);
assert(s->current_picture.pict_type == s->pict_type);
    *pict= *(AVFrame*)s->current_picture_ptr;
    ff_print_debug_info(s, pict);

    *data_size = sizeof(AVFrame);

    return get_consumed_bytes(s, buf_size);
}
开发者ID:Bevara，项目名称:extra_libs_open，代码行数:89，代码来源:h261dec.c


示例6: rv20_decode_picture_header

static int rv20_decode_picture_header(MpegEncContext *s)
{
    int seq, mb_pos, i;

#if 0
    GetBitContext gb= s->gb;
    for(i=0; i<64; i++){
        av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&gb));
        if(i%4==3) av_log(s->avctx, AV_LOG_DEBUG, " ");
    }
    av_log(s->avctx, AV_LOG_DEBUG, "\n");
#endif
#if 0
    av_log(s->avctx, AV_LOG_DEBUG, "%3dx%03d/%02Xx%02X ", s->width, s->height, s->width/4, s->height/4);
    for(i=0; i<s->avctx->extradata_size; i++){
        av_log(s->avctx, AV_LOG_DEBUG, "%02X ", ((uint8_t*)s->avctx->extradata)[i]);
        if(i%4==3) av_log(s->avctx, AV_LOG_DEBUG, " ");
    }
    av_log(s->avctx, AV_LOG_DEBUG, "\n");
#endif

    if(s->avctx->sub_id == 0x30202002 || s->avctx->sub_id == 0x30203002){
        if (get_bits(&s->gb, 3)){
            av_log(s->avctx, AV_LOG_ERROR, "unknown triplet set\n");
            return -1;
        }
    }

    i= get_bits(&s->gb, 2);
    switch(i){
    case 0: s->pict_type= FF_I_TYPE; break;
    case 1: s->pict_type= FF_I_TYPE; break; //hmm ...
    case 2: s->pict_type= FF_P_TYPE; break;
    case 3: s->pict_type= FF_B_TYPE; break;
    default:
        av_log(s->avctx, AV_LOG_ERROR, "unknown frame type\n");
        return -1;
    }

    if(s->last_picture_ptr==NULL && s->pict_type==FF_B_TYPE){
        av_log(s->avctx, AV_LOG_ERROR, "early B pix\n");
        return -1;
    }

    if (get_bits1(&s->gb)){
        av_log(s->avctx, AV_LOG_ERROR, "unknown bit set\n");
        return -1;
    }

    s->qscale = get_bits(&s->gb, 5);
    if(s->qscale==0){
        av_log(s->avctx, AV_LOG_ERROR, "error, qscale:0\n");
        return -1;
    }
    if(s->avctx->sub_id == 0x30203002){
        if (get_bits1(&s->gb)){
            av_log(s->avctx, AV_LOG_ERROR, "unknown bit2 set\n");
            return -1;
        }
    }

    if(s->avctx->has_b_frames){
        int f, new_w, new_h;
        int v= s->avctx->extradata_size >= 4 ? 7&((uint8_t*)s->avctx->extradata)[1] : 0;

        if (get_bits1(&s->gb)){
            av_log(s->avctx, AV_LOG_ERROR, "unknown bit3 set\n");
//            return -1;
        }
        seq= get_bits(&s->gb, 13)<<2;

        f= get_bits(&s->gb, av_log2(v)+1);

        if(f){
            new_w= 4*((uint8_t*)s->avctx->extradata)[6+2*f];
            new_h= 4*((uint8_t*)s->avctx->extradata)[7+2*f];
        }else{
            new_w= s->width; //FIXME wrong we of course must save the original in the context
            new_h= s->height;
        }
        if(new_w != s->width || new_h != s->height){
            av_log(s->avctx, AV_LOG_DEBUG, "attempting to change resolution to %dx%d\n", new_w, new_h);
            if (avcodec_check_dimensions(s->avctx, new_h, new_w) < 0)
                return -1;
            MPV_common_end(s);
            s->width  = s->avctx->width = new_w;
            s->height = s->avctx->height= new_h;
            if (MPV_common_init(s) < 0)
                return -1;
        }

        if(s->avctx->debug & FF_DEBUG_PICT_INFO){
            av_log(s->avctx, AV_LOG_DEBUG, "F %d/%d\n", f, v);
        }
    }else{
        seq= get_bits(&s->gb, 8)*128;
    }

//     if(s->avctx->sub_id <= 0x20201002){ //0x20201002 definitely needs this
    mb_pos= ff_h263_decode_mba(s);
//.........这里部分代码省略.........
开发者ID:Yelinson，项目名称:OpenVideoHub，代码行数:101，代码来源:rv10.c


示例7: rv20_decode_picture_header

static int rv20_decode_picture_header(MpegEncContext *s)
{
    int seq, mb_pos, i;
    int rpr_bits;

#if 0
    GetBitContext gb= s->gb;
    for(i=0; i<64; i++) {
        av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&gb));
        if(i%4==3) av_log(s->avctx, AV_LOG_DEBUG, " ");
    }
    av_log(s->avctx, AV_LOG_DEBUG, "\n");
#endif
#if 0
    av_log(s->avctx, AV_LOG_DEBUG, "%3dx%03d/%02Xx%02X ", s->width, s->height, s->width/4, s->height/4);
    for(i=0; i<s->avctx->extradata_size; i++) {
        av_log(s->avctx, AV_LOG_DEBUG, "%02X ", ((uint8_t*)s->avctx->extradata)[i]);
        if(i%4==3) av_log(s->avctx, AV_LOG_DEBUG, " ");
    }
    av_log(s->avctx, AV_LOG_DEBUG, "\n");
#endif

    i= get_bits(&s->gb, 2);
    switch(i) {
    case 0:
        s->pict_type= AV_PICTURE_TYPE_I;
        break;
    case 1:
        s->pict_type= AV_PICTURE_TYPE_I;
        break; //hmm ...
    case 2:
        s->pict_type= AV_PICTURE_TYPE_P;
        break;
    case 3:
        s->pict_type= AV_PICTURE_TYPE_B;
        break;
    default:
        av_log(s->avctx, AV_LOG_ERROR, "unknown frame type\n");
        return -1;
    }

    if(s->last_picture_ptr==NULL && s->pict_type==AV_PICTURE_TYPE_B) {
        av_log(s->avctx, AV_LOG_ERROR, "early B pix\n");
        return -1;
    }

    if (get_bits1(&s->gb)) {
        av_log(s->avctx, AV_LOG_ERROR, "reserved bit set\n");
        return -1;
    }

    s->qscale = get_bits(&s->gb, 5);
    if(s->qscale==0) {
        av_log(s->avctx, AV_LOG_ERROR, "error, qscale:0\n");
        return -1;
    }

    if(RV_GET_MINOR_VER(s->avctx->sub_id) >= 2)
        s->loop_filter = get_bits1(&s->gb);

    if(RV_GET_MINOR_VER(s->avctx->sub_id) <= 1)
        seq = get_bits(&s->gb, 8) << 7;
    else
        seq = get_bits(&s->gb, 13) << 2;

    rpr_bits = s->avctx->extradata[1] & 7;
    if(rpr_bits) {
        int f, new_w, new_h;
        rpr_bits = FFMIN((rpr_bits >> 1) + 1, 3);

        f = get_bits(&s->gb, rpr_bits);

        if(f) {
            new_w= 4*((uint8_t*)s->avctx->extradata)[6+2*f];
            new_h= 4*((uint8_t*)s->avctx->extradata)[7+2*f];
        } else {
            new_w= s->orig_width ;
            new_h= s->orig_height;
        }
        if(new_w != s->width || new_h != s->height) {
            av_log(s->avctx, AV_LOG_DEBUG, "attempting to change resolution to %dx%d\n", new_w, new_h);
            if (av_image_check_size(new_w, new_h, 0, s->avctx) < 0)
                return -1;
            MPV_common_end(s);
            avcodec_set_dimensions(s->avctx, new_w, new_h);
            s->width  = new_w;
            s->height = new_h;
            if (MPV_common_init(s) < 0)
                return -1;
        }

        if(s->avctx->debug & FF_DEBUG_PICT_INFO) {
            av_log(s->avctx, AV_LOG_DEBUG, "F %d/%d\n", f, rpr_bits);
        }
    }

    mb_pos = ff_h263_decode_mba(s);

//av_log(s->avctx, AV_LOG_DEBUG, "%d\n", seq);
    seq |= s->time &~0x7FFF;
//.........这里部分代码省略.........
开发者ID:mnzaki，项目名称:FFmpeg，代码行数:101，代码来源:rv10.c


示例8: rv20_decode_picture_header

static int rv20_decode_picture_header(MpegEncContext *s)
{
    int seq, mb_pos, i;
    int rpr_bits;

#if 0
    GetBitContext gb= s->gb;
    for(i=0; i<64; i++){
        av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&gb));
        if(i%4==3) av_log(s->avctx, AV_LOG_DEBUG, " ");
    }
    av_log(s->avctx, AV_LOG_DEBUG, "\n");
#endif
#if 0
    av_log(s->avctx, AV_LOG_DEBUG, "%3dx%03d/%02Xx%02X ", s->width, s->height, s->width/4, s->height/4);
    for(i=0; i<s->avctx->extradata_size; i++){
        av_log(s->avctx, AV_LOG_DEBUG, "%02X ", ((uint8_t*)s->avctx->extradata)[i]);
        if(i%4==3) av_log(s->avctx, AV_LOG_DEBUG, " ");
    }
    av_log(s->avctx, AV_LOG_DEBUG, "\n");
#endif

    i= get_bits(&s->gb, 2);
    switch(i){
    case 0: s->pict_type= AV_PICTURE_TYPE_I; break;
    case 1: s->pict_type= AV_PICTURE_TYPE_I; break; //hmm ...
    case 2: s->pict_type= AV_PICTURE_TYPE_P; break;
    case 3: s->pict_type= AV_PICTURE_TYPE_B; break;
    default:
        av_log(s->avctx, AV_LOG_ERROR, "unknown frame type\n");
        return -1;
    }

    if(s->last_picture_ptr==NULL && s->pict_type==AV_PICTURE_TYPE_B){
        av_log(s->avctx, AV_LOG_ERROR, "early B pix\n");
        return -1;
    }

    if (get_bits1(&s->gb)){
        av_log(s->avctx, AV_LOG_ERROR, "reserved bit set\n");
        return -1;
    }

    s->qscale = get_bits(&s->gb, 5);
    if(s->qscale==0){
        av_log(s->avctx, AV_LOG_ERROR, "error, qscale:0\n");
        return -1;
    }

    if(RV_GET_MINOR_VER(s->avctx->sub_id) >= 2)
        s->loop_filter = get_bits1(&s->gb);

    if(RV_GET_MINOR_VER(s->avctx->sub_id) <= 1)
        seq = get_bits(&s->gb, 8) << 7;
    else
        seq = get_bits(&s->gb, 13) << 2;

    rpr_bits = s->avctx->extradata[1] & 7;
    if(rpr_bits){
        int f, new_w, new_h;
        rpr_bits = FFMIN((rpr_bits >> 1) + 1, 3);

        f = get_bits(&s->gb, rpr_bits);

        if(f){
            new_w= 4*((uint8_t*)s->avctx->extradata)[6+2*f];
            new_h= 4*((uint8_t*)s->avctx->extradata)[7+2*f];
        }else{
            new_w= s->orig_width ;
            new_h= s->orig_height;
        }
        if(new_w != s->width || new_h != s->height){
            av_log(s->avctx, AV_LOG_DEBUG, "attempting to change resolution to %dx%d\n", new_w, new_h);
            if (av_image_check_size(new_w, new_h, 0, s->avctx) < 0)
                return -1;
            MPV_common_end(s);
            avcodec_set_dimensions(s->avctx, new_w, new_h);
            s->width  = new_w;
            s->height = new_h;
            if (MPV_common_init(s) < 0)
                return -1;
        }

        if(s->avctx->debug & FF_DEBUG_PICT_INFO){
            av_log(s->avctx, AV_LOG_DEBUG, "F %d/%d\n", f, rpr_bits);
        }
    } else if (av_image_check_size(s->width, s->height, 0, s->avctx) < 0)
开发者ID:1ibraheem，项目名称:xbmc，代码行数:87，代码来源:rv10.c


示例9: ff_h263_decode_frame

int ff_h263_decode_frame(AVCodecContext *avctx,
                             void *data, int *data_size,
                             const uint8_t *buf, int buf_size)
{
    MpegEncContext *s = avctx->priv_data;
    int ret;
    AVFrame *pict = data;

#ifdef PRINT_FRAME_TIME
uint64_t time= rdtsc();
#endif
#ifdef DEBUG
    av_log(avctx, AV_LOG_DEBUG, "*****frame %d size=%d\n", avctx->frame_number, buf_size);
    if(buf_size>0)
        av_log(avctx, AV_LOG_DEBUG, "bytes=%x %x %x %x\n", buf[0], buf[1], buf[2], buf[3]);
#endif
    s->flags= avctx->flags;
    s->flags2= avctx->flags2;

    /* no supplementary picture */
    if (buf_size == 0) {
        /* special case for last picture */
        if (s->low_delay==0 && s->next_picture_ptr) {
            *pict= *(AVFrame*)s->next_picture_ptr;
            s->next_picture_ptr= NULL;

            *data_size = sizeof(AVFrame);
        }

        return 0;
    }

retry:

    init_get_bits(&s->gb, buf, buf_size*8);
    s->bitstream_buffer_size=0;

    if (!s->context_initialized) {
        if (MPV_common_init(s) < 0) //we need the idct permutaton for reading a custom matrix
            return -1;
    }

    /* We need to set current_picture_ptr before reading the header,
     * otherwise we cannot store anyting in there */
    if(s->current_picture_ptr==NULL || s->current_picture_ptr->data[0]){
        int i= ff_find_unused_picture(s, 0);
        s->current_picture_ptr= &s->picture[i];
    }

    ret = flv_h263_decode_picture_header(s);

    if(ret==FRAME_SKIPPED) return get_consumed_bytes(s, buf_size);

    /* skip if the header was thrashed */
    if (ret < 0){
        av_log(s->avctx, AV_LOG_ERROR, "header damaged\n");
        return -1;
    }

    avctx->has_b_frames= !s->low_delay;

        /* After H263 & mpeg4 header decode we have the height, width,*/
        /* and other parameters. So then we could init the picture   */
        /* FIXME: By the way H263 decoder is evolving it should have */
        /* an H263EncContext                                         */

    if (   s->width  != avctx->coded_width
        || s->height != avctx->coded_height) {
        /* H.263 could change picture size any time */
        ParseContext pc= s->parse_context; //FIXME move these demuxng hack to avformat
        s->parse_context.buffer=0;
        MPV_common_end(s);
        s->parse_context= pc;
    }
    if (!s->context_initialized) {
        avcodec_set_dimensions(avctx, s->width, s->height);

        goto retry;
    }

    if((s->codec_id==CODEC_ID_H263 || s->codec_id==CODEC_ID_H263P))
        s->gob_index = ff_h263_get_gob_height(s);

    // for hurry_up==5
    s->current_picture.pict_type= s->pict_type;
    s->current_picture.key_frame= s->pict_type == FF_I_TYPE;

    /* skip B-frames if we don't have reference frames */
    if(s->last_picture_ptr==NULL && (s->pict_type==FF_B_TYPE || s->dropable)) return get_consumed_bytes(s, buf_size);
    /* skip b frames if we are in a hurry */
    if(avctx->hurry_up && s->pict_type==FF_B_TYPE) return get_consumed_bytes(s, buf_size);
    if(   (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==FF_B_TYPE)
       || (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=FF_I_TYPE)
       ||  avctx->skip_frame >= AVDISCARD_ALL)
        return get_consumed_bytes(s, buf_size);
    /* skip everything if we are in a hurry>=5 */
    if(avctx->hurry_up>=5) return get_consumed_bytes(s, buf_size);

    if(s->next_p_frame_damaged){
        if(s->pict_type==FF_B_TYPE)
//.........这里部分代码省略.........
开发者ID:Yelinson，项目名称:OpenVideoHub，代码行数:101，代码来源:h263dec.c



注：本文中的MPV_common_end函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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