static int vp3_decode_frame(AVCodecContext *avctx,

                            void *data, int *data_size,

                            const uint8_t *buf, int buf_size)

{

    Vp3DecodeContext *s = avctx->priv_data;

    GetBitContext gb;

    static int counter = 0;

    int i;



    init_get_bits(&gb, buf, buf_size * 8);



    if (s->theora && get_bits1(&gb))

    {

        av_log(avctx, AV_LOG_ERROR, "Header packet passed to frame decoder, skipping\n");

        return -1;

    }



    s->keyframe = !get_bits1(&gb);

    if (!s->theora)

        skip_bits(&gb, 1);

    s->last_quality_index = s->quality_index;



    s->nqis=0;

    do{

        s->qis[s->nqis++]= get_bits(&gb, 6);

    } while(s->theora >= 0x030200 && s->nqis<3 && get_bits1(&gb));



    s->quality_index= s->qis[0];



    if (s->avctx->debug & FF_DEBUG_PICT_INFO)

        av_log(s->avctx, AV_LOG_INFO, " VP3 %sframe #%d: Q index = %d\n",

            s->keyframe?"key":"", counter, s->quality_index);

    counter++;



    if (s->quality_index != s->last_quality_index) {

        init_dequantizer(s);

        init_loop_filter(s);

    }



    if (s->keyframe) {

        if (!s->theora)

        {

            skip_bits(&gb, 4); /* width code */

            skip_bits(&gb, 4); /* height code */

            if (s->version)

            {

                s->version = get_bits(&gb, 5);

                if (counter == 1)

                    av_log(s->avctx, AV_LOG_DEBUG, "VP version: %d\n", s->version);

            }

        }

        if (s->version || s->theora)

        {

                if (get_bits1(&gb))

                    av_log(s->avctx, AV_LOG_ERROR, "Warning, unsupported keyframe coding type?!\n");

            skip_bits(&gb, 2); /* reserved? */

        }



        if (s->last_frame.data[0] == s->golden_frame.data[0]) {

            if (s->golden_frame.data[0])

                avctx->release_buffer(avctx, &s->golden_frame);

            s->last_frame= s->golden_frame; /* ensure that we catch any access to this released frame */

        } else {

            if (s->golden_frame.data[0])

                avctx->release_buffer(avctx, &s->golden_frame);

            if (s->last_frame.data[0])

                avctx->release_buffer(avctx, &s->last_frame);

        }



        s->golden_frame.reference = 3;

        if(avctx->get_buffer(avctx, &s->golden_frame) < 0) {

            av_log(s->avctx, AV_LOG_ERROR, "vp3: get_buffer() failed\n");

            return -1;

        }



        /* golden frame is also the current frame */

        s->current_frame= s->golden_frame;



        /* time to figure out pixel addresses? */

        if (!s->pixel_addresses_inited)

        {

            if (!s->flipped_image)

                vp3_calculate_pixel_addresses(s);

            else

                theora_calculate_pixel_addresses(s);

            s->pixel_addresses_inited = 1;

        }

    } else {

        /* allocate a new current frame */

        s->current_frame.reference = 3;

        if (!s->pixel_addresses_inited) {

            av_log(s->avctx, AV_LOG_ERROR, "vp3: first frame not a keyframe\n");

            return -1;

        }

        if(avctx->get_buffer(avctx, &s->current_frame) < 0) {

            av_log(s->avctx, AV_LOG_ERROR, "vp3: get_buffer() failed\n");

            return -1;

        }

    }



    s->current_frame.qscale_table= s->qscale_table; //FIXME allocate individual tables per AVFrame

    s->current_frame.qstride= 0;



    {START_TIMER

    init_frame(s, &gb);

    STOP_TIMER("init_frame")}



#if KEYFRAMES_ONLY

if (!s->keyframe) {



    memcpy(s->current_frame.data[0], s->golden_frame.data[0],

        s->current_frame.linesize[0] * s->height);

    memcpy(s->current_frame.data[1], s->golden_frame.data[1],

        s->current_frame.linesize[1] * s->height / 2);

    memcpy(s->current_frame.data[2], s->golden_frame.data[2],

        s->current_frame.linesize[2] * s->height / 2);



} else {

#endif



    {START_TIMER

    if (unpack_superblocks(s, &gb)){

        av_log(s->avctx, AV_LOG_ERROR, "error in unpack_superblocks\n");

        return -1;

    }

    STOP_TIMER("unpack_superblocks")}

    {START_TIMER

    if (unpack_modes(s, &gb)){

        av_log(s->avctx, AV_LOG_ERROR, "error in unpack_modes\n");

        return -1;

    }

    STOP_TIMER("unpack_modes")}

    {START_TIMER

    if (unpack_vectors(s, &gb)){

        av_log(s->avctx, AV_LOG_ERROR, "error in unpack_vectors\n");

        return -1;

    }

    STOP_TIMER("unpack_vectors")}

    {START_TIMER

    if (unpack_dct_coeffs(s, &gb)){

        av_log(s->avctx, AV_LOG_ERROR, "error in unpack_dct_coeffs\n");

        return -1;

    }

    STOP_TIMER("unpack_dct_coeffs")}

    {START_TIMER



    reverse_dc_prediction(s, 0, s->fragment_width, s->fragment_height);

    if ((avctx->flags & CODEC_FLAG_GRAY) == 0) {

        reverse_dc_prediction(s, s->fragment_start[1],

            s->fragment_width / 2, s->fragment_height / 2);

        reverse_dc_prediction(s, s->fragment_start[2],

            s->fragment_width / 2, s->fragment_height / 2);

    }

    STOP_TIMER("reverse_dc_prediction")}

    {START_TIMER



    for (i = 0; i < s->macroblock_height; i++)

        render_slice(s, i);

    STOP_TIMER("render_fragments")}



    {START_TIMER

    apply_loop_filter(s);

    STOP_TIMER("apply_loop_filter")}

#if KEYFRAMES_ONLY

}

#endif



    *data_size=sizeof(AVFrame);

    *(AVFrame*)data= s->current_frame;



    /* release the last frame, if it is allocated and if it is not the

     * golden frame */

    if ((s->last_frame.data[0]) &&

        (s->last_frame.data[0] != s->golden_frame.data[0]))

        avctx->release_buffer(avctx, &s->last_frame);



    /* shuffle frames (last = current) */

    s->last_frame= s->current_frame;

    s->current_frame.data[0]= NULL; /* ensure that we catch any access to this released frame */



    return buf_size;

}

static int vp3_decode_frame(AVCodecContext *avctx,

                            void *data, int *data_size,

                            const uint8_t *buf, int buf_size)

{

    Vp3DecodeContext *s = avctx->priv_data;

    GetBitContext gb;

    static int counter = 0;

    int i;



    init_get_bits(&gb, buf, buf_size * 8);



    if (s->theora && get_bits1(&gb))

    {

        av_log(avctx, AV_LOG_ERROR, "Header packet passed to frame decoder, skipping\n");

        return -1;

    }



    s->keyframe = !get_bits1(&gb);

    if (!s->theora)

        skip_bits(&gb, 1);

    s->last_quality_index = s->quality_index;



    s->nqis=0;

    do{

        s->qis[s->nqis++]= get_bits(&gb, 6);

    } while(s->theora >= 0x030200 && s->nqis<3 && get_bits1(&gb));



    s->quality_index= s->qis[0];



    if (s->avctx->debug & FF_DEBUG_PICT_INFO)

        av_log(s->avctx, AV_LOG_INFO, " VP3 %sframe #%d: Q index = %d\n",

            s->keyframe?"key":"", counter, s->quality_index);

    counter++;



    if (s->quality_index != s->last_quality_index) {

        init_dequantizer(s);

        init_loop_filter(s);

    }



    if (s->keyframe) {

        if (!s->theora)

        {

            skip_bits(&gb, 4); 

            skip_bits(&gb, 4); 

            if (s->version)

            {

                s->version = get_bits(&gb, 5);

                if (counter == 1)

                    av_log(s->avctx, AV_LOG_DEBUG, "VP version: %d\n", s->version);

            }

        }

        if (s->version || s->theora)

        {

                if (get_bits1(&gb))

                    av_log(s->avctx, AV_LOG_ERROR, "Warning, unsupported keyframe coding type?!\n");

            skip_bits(&gb, 2); 

        }



        if (s->last_frame.data[0] == s->golden_frame.data[0]) {

            if (s->golden_frame.data[0])

                avctx->release_buffer(avctx, &s->golden_frame);

            s->last_frame= s->golden_frame; 

        } else {

            if (s->golden_frame.data[0])

                avctx->release_buffer(avctx, &s->golden_frame);

            if (s->last_frame.data[0])

                avctx->release_buffer(avctx, &s->last_frame);

        }



        s->golden_frame.reference = 3;

        if(avctx->get_buffer(avctx, &s->golden_frame) < 0) {

            av_log(s->avctx, AV_LOG_ERROR, "vp3: get_buffer() failed\n");

            return -1;

        }



        

        s->current_frame= s->golden_frame;



        

        if (!s->pixel_addresses_inited)

        {

            if (!s->flipped_image)

                vp3_calculate_pixel_addresses(s);

            else

                theora_calculate_pixel_addresses(s);

            s->pixel_addresses_inited = 1;

        }

    } else {

        

        s->current_frame.reference = 3;

        if (!s->pixel_addresses_inited) {

            av_log(s->avctx, AV_LOG_ERROR, "vp3: first frame not a keyframe\n");

            return -1;

        }

        if(avctx->get_buffer(avctx, &s->current_frame) < 0) {

            av_log(s->avctx, AV_LOG_ERROR, "vp3: get_buffer() failed\n");

            return -1;

        }

    }



    s->current_frame.qscale_table= s->qscale_table; 

    s->current_frame.qstride= 0;



    {START_TIMER

    init_frame(s, &gb);

    STOP_TIMER("init_frame")}



#if KEYFRAMES_ONLY

if (!s->keyframe) {



    memcpy(s->current_frame.data[0], s->golden_frame.data[0],

        s->current_frame.linesize[0] * s->height);

    memcpy(s->current_frame.data[1], s->golden_frame.data[1],

        s->current_frame.linesize[1] * s->height / 2);

    memcpy(s->current_frame.data[2], s->golden_frame.data[2],

        s->current_frame.linesize[2] * s->height / 2);



} else {

#endif



    {START_TIMER

    if (unpack_superblocks(s, &gb)){

        av_log(s->avctx, AV_LOG_ERROR, "error in unpack_superblocks\n");

        return -1;

    }

    STOP_TIMER("unpack_superblocks")}

    {START_TIMER

    if (unpack_modes(s, &gb)){

        av_log(s->avctx, AV_LOG_ERROR, "error in unpack_modes\n");

        return -1;

    }

    STOP_TIMER("unpack_modes")}

    {START_TIMER

    if (unpack_vectors(s, &gb)){

        av_log(s->avctx, AV_LOG_ERROR, "error in unpack_vectors\n");

        return -1;

    }

    STOP_TIMER("unpack_vectors")}

    {START_TIMER

    if (unpack_dct_coeffs(s, &gb)){

        av_log(s->avctx, AV_LOG_ERROR, "error in unpack_dct_coeffs\n");

        return -1;

    }

    STOP_TIMER("unpack_dct_coeffs")}

    {START_TIMER



    reverse_dc_prediction(s, 0, s->fragment_width, s->fragment_height);

    if ((avctx->flags & CODEC_FLAG_GRAY) == 0) {

        reverse_dc_prediction(s, s->fragment_start[1],

            s->fragment_width / 2, s->fragment_height / 2);

        reverse_dc_prediction(s, s->fragment_start[2],

            s->fragment_width / 2, s->fragment_height / 2);

    }

    STOP_TIMER("reverse_dc_prediction")}

    {START_TIMER



    for (i = 0; i < s->macroblock_height; i++)

        render_slice(s, i);

    STOP_TIMER("render_fragments")}



    {START_TIMER

    apply_loop_filter(s);

    STOP_TIMER("apply_loop_filter")}

#if KEYFRAMES_ONLY

}

#endif



    *data_size=sizeof(AVFrame);

    *(AVFrame*)data= s->current_frame;



    



    if ((s->last_frame.data[0]) &&

        (s->last_frame.data[0] != s->golden_frame.data[0]))

        avctx->release_buffer(avctx, &s->last_frame);



    

    s->last_frame= s->current_frame;

    s->current_frame.data[0]= NULL; 



    return buf_size;

}

static int FUNC_0(AVCodecContext *VAR_0,

                            void *VAR_1, int *VAR_2,

                            const uint8_t *VAR_3, int VAR_4)

{

    Vp3DecodeContext *s = VAR_0->priv_data;

    GetBitContext gb;

    static int VAR_5 = 0;

    int VAR_6;



    init_get_bits(&gb, VAR_3, VAR_4 * 8);



    if (s->theora && get_bits1(&gb))

    {

        av_log(VAR_0, AV_LOG_ERROR, "Header packet passed to frame decoder, skipping\n");

        return -1;

    }



    s->keyframe = !get_bits1(&gb);

    if (!s->theora)

        skip_bits(&gb, 1);

    s->last_quality_index = s->quality_index;



    s->nqis=0;

    do{

        s->qis[s->nqis++]= get_bits(&gb, 6);

    } while(s->theora >= 0x030200 && s->nqis<3 && get_bits1(&gb));



    s->quality_index= s->qis[0];



    if (s->VAR_0->debug & FF_DEBUG_PICT_INFO)

        av_log(s->VAR_0, AV_LOG_INFO, " VP3 %sframe #%d: Q index = %d\n",

            s->keyframe?"key":"", VAR_5, s->quality_index);

    VAR_5++;



    if (s->quality_index != s->last_quality_index) {

        init_dequantizer(s);

        init_loop_filter(s);

    }



    if (s->keyframe) {

        if (!s->theora)

        {

            skip_bits(&gb, 4); 

            skip_bits(&gb, 4); 

            if (s->version)

            {

                s->version = get_bits(&gb, 5);

                if (VAR_5 == 1)

                    av_log(s->VAR_0, AV_LOG_DEBUG, "VP version: %d\n", s->version);

            }

        }

        if (s->version || s->theora)

        {

                if (get_bits1(&gb))

                    av_log(s->VAR_0, AV_LOG_ERROR, "Warning, unsupported keyframe coding type?!\n");

            skip_bits(&gb, 2); 

        }



        if (s->last_frame.VAR_1[0] == s->golden_frame.VAR_1[0]) {

            if (s->golden_frame.VAR_1[0])

                VAR_0->release_buffer(VAR_0, &s->golden_frame);

            s->last_frame= s->golden_frame; 

        } else {

            if (s->golden_frame.VAR_1[0])

                VAR_0->release_buffer(VAR_0, &s->golden_frame);

            if (s->last_frame.VAR_1[0])

                VAR_0->release_buffer(VAR_0, &s->last_frame);

        }



        s->golden_frame.reference = 3;

        if(VAR_0->get_buffer(VAR_0, &s->golden_frame) < 0) {

            av_log(s->VAR_0, AV_LOG_ERROR, "vp3: get_buffer() failed\n");

            return -1;

        }



        

        s->current_frame= s->golden_frame;



        

        if (!s->pixel_addresses_inited)

        {

            if (!s->flipped_image)

                vp3_calculate_pixel_addresses(s);

            else

                theora_calculate_pixel_addresses(s);

            s->pixel_addresses_inited = 1;

        }

    } else {

        

        s->current_frame.reference = 3;

        if (!s->pixel_addresses_inited) {

            av_log(s->VAR_0, AV_LOG_ERROR, "vp3: first frame not a keyframe\n");

            return -1;

        }

        if(VAR_0->get_buffer(VAR_0, &s->current_frame) < 0) {

            av_log(s->VAR_0, AV_LOG_ERROR, "vp3: get_buffer() failed\n");

            return -1;

        }

    }



    s->current_frame.qscale_table= s->qscale_table; 

    s->current_frame.qstride= 0;



    {START_TIMER

    init_frame(s, &gb);

    STOP_TIMER("init_frame")}



#if KEYFRAMES_ONLY

if (!s->keyframe) {



    memcpy(s->current_frame.VAR_1[0], s->golden_frame.VAR_1[0],

        s->current_frame.linesize[0] * s->height);

    memcpy(s->current_frame.VAR_1[1], s->golden_frame.VAR_1[1],

        s->current_frame.linesize[1] * s->height / 2);

    memcpy(s->current_frame.VAR_1[2], s->golden_frame.VAR_1[2],

        s->current_frame.linesize[2] * s->height / 2);



} else {

#endif



    {START_TIMER

    if (unpack_superblocks(s, &gb)){

        av_log(s->VAR_0, AV_LOG_ERROR, "error in unpack_superblocks\n");

        return -1;

    }

    STOP_TIMER("unpack_superblocks")}

    {START_TIMER

    if (unpack_modes(s, &gb)){

        av_log(s->VAR_0, AV_LOG_ERROR, "error in unpack_modes\n");

        return -1;

    }

    STOP_TIMER("unpack_modes")}

    {START_TIMER

    if (unpack_vectors(s, &gb)){

        av_log(s->VAR_0, AV_LOG_ERROR, "error in unpack_vectors\n");

        return -1;

    }

    STOP_TIMER("unpack_vectors")}

    {START_TIMER

    if (unpack_dct_coeffs(s, &gb)){

        av_log(s->VAR_0, AV_LOG_ERROR, "error in unpack_dct_coeffs\n");

        return -1;

    }

    STOP_TIMER("unpack_dct_coeffs")}

    {START_TIMER



    reverse_dc_prediction(s, 0, s->fragment_width, s->fragment_height);

    if ((VAR_0->flags & CODEC_FLAG_GRAY) == 0) {

        reverse_dc_prediction(s, s->fragment_start[1],

            s->fragment_width / 2, s->fragment_height / 2);

        reverse_dc_prediction(s, s->fragment_start[2],

            s->fragment_width / 2, s->fragment_height / 2);

    }

    STOP_TIMER("reverse_dc_prediction")}

    {START_TIMER



    for (VAR_6 = 0; VAR_6 < s->macroblock_height; VAR_6++)

        render_slice(s, VAR_6);

    STOP_TIMER("render_fragments")}



    {START_TIMER

    apply_loop_filter(s);

    STOP_TIMER("apply_loop_filter")}

#if KEYFRAMES_ONLY

}

#endif



    *VAR_2=sizeof(AVFrame);

    *(AVFrame*)VAR_1= s->current_frame;



    



    if ((s->last_frame.VAR_1[0]) &&

        (s->last_frame.VAR_1[0] != s->golden_frame.VAR_1[0]))

        VAR_0->release_buffer(VAR_0, &s->last_frame);



    

    s->last_frame= s->current_frame;

    s->current_frame.VAR_1[0]= NULL; 



    return VAR_4;

}

static int FUNC_0(AVCodecContext *VAR_0,
void *VAR_1, int *VAR_2,
const uint8_t *VAR_3, int VAR_4)
{ Vp3DecodeContext *s = VAR_0->priv_data; GetBitContext gb; static int VAR_5 = 0; int VAR_6; init_get_bits(&gb, VAR_3, VAR_4 * 8); if (s->theora && get_bits1(&gb))
{ av_log(VAR_0, AV_LOG_ERROR, "Header packet passed to frame decoder, skipping\n"); return -1; } s->keyframe = !get_bits1(&gb); if (!s->theora)
skip_bits(&gb, 1); s->last_quality_index = s->quality_index; s->nqis=0; do{ s->qis[s->nqis++]= get_bits(&gb, 6); } while(s->theora >= 0x030200 && s->nqis<3 && get_bits1(&gb)); s->quality_index= s->qis[0]; if (s->VAR_0->debug & FF_DEBUG_PICT_INFO)
av_log(s->VAR_0, AV_LOG_INFO, " VP3 %sframe #%d: Q index = %d\n",
s->keyframe?"key":"", VAR_5, s->quality_index); VAR_5++; if (s->quality_index != s->last_quality_index) { init_dequantizer(s); init_loop_filter(s); } if (s->keyframe) { if (!s->theora)
{ skip_bits(&gb, 4); skip_bits(&gb, 4); if (s->version)
{ s->version = get_bits(&gb, 5); if (VAR_5 == 1)
av_log(s->VAR_0, AV_LOG_DEBUG, "VP version: %d\n", s->version); } } if (s->version || s->theora)
{ if (get_bits1(&gb))
av_log(s->VAR_0, AV_LOG_ERROR, "Warning, unsupported keyframe coding type?!\n"); skip_bits(&gb, 2); } if (s->last_frame.VAR_1[0] == s->golden_frame.VAR_1[0]) { if (s->golden_frame.VAR_1[0])
VAR_0->release_buffer(VAR_0, &s->golden_frame); s->last_frame= s->golden_frame; } else { if (s->golden_frame.VAR_1[0])
VAR_0->release_buffer(VAR_0, &s->golden_frame); if (s->last_frame.VAR_1[0])
VAR_0->release_buffer(VAR_0, &s->last_frame); } s->golden_frame.reference = 3; if(VAR_0->get_buffer(VAR_0, &s->golden_frame) < 0) { av_log(s->VAR_0, AV_LOG_ERROR, "vp3: get_buffer() failed\n"); return -1; } s->current_frame= s->golden_frame; if (!s->pixel_addresses_inited)
{ if (!s->flipped_image)
vp3_calculate_pixel_addresses(s); else
theora_calculate_pixel_addresses(s); s->pixel_addresses_inited = 1; } } else { s->current_frame.reference = 3; if (!s->pixel_addresses_inited) { av_log(s->VAR_0, AV_LOG_ERROR, "vp3: first frame not a keyframe\n"); return -1; } if(VAR_0->get_buffer(VAR_0, &s->current_frame) < 0) { av_log(s->VAR_0, AV_LOG_ERROR, "vp3: get_buffer() failed\n"); return -1; } } s->current_frame.qscale_table= s->qscale_table; s->current_frame.qstride= 0; {START_TIMER init_frame(s, &gb); STOP_TIMER("init_frame")} #if KEYFRAMES_ONLY
if (!s->keyframe) { memcpy(s->current_frame.VAR_1[0], s->golden_frame.VAR_1[0],
s->current_frame.linesize[0] * s->height); memcpy(s->current_frame.VAR_1[1], s->golden_frame.VAR_1[1],
s->current_frame.linesize[1] * s->height / 2); memcpy(s->current_frame.VAR_1[2], s->golden_frame.VAR_1[2],
s->current_frame.linesize[2] * s->height / 2); } else { #endif
{START_TIMER if (unpack_superblocks(s, &gb)){ av_log(s->VAR_0, AV_LOG_ERROR, "error in unpack_superblocks\n"); return -1; } STOP_TIMER("unpack_superblocks")} {START_TIMER if (unpack_modes(s, &gb)){ av_log(s->VAR_0, AV_LOG_ERROR, "error in unpack_modes\n"); return -1; } STOP_TIMER("unpack_modes")} {START_TIMER if (unpack_vectors(s, &gb)){ av_log(s->VAR_0, AV_LOG_ERROR, "error in unpack_vectors\n"); return -1; } STOP_TIMER("unpack_vectors")} {START_TIMER if (unpack_dct_coeffs(s, &gb)){ av_log(s->VAR_0, AV_LOG_ERROR, "error in unpack_dct_coeffs\n"); return -1; } STOP_TIMER("unpack_dct_coeffs")} {START_TIMER reverse_dc_prediction(s, 0, s->fragment_width, s->fragment_height); if ((VAR_0->flags & CODEC_FLAG_GRAY) == 0) { reverse_dc_prediction(s, s->fragment_start[1],
s->fragment_width / 2, s->fragment_height / 2); reverse_dc_prediction(s, s->fragment_start[2],
s->fragment_width / 2, s->fragment_height / 2); } STOP_TIMER("reverse_dc_prediction")} {START_TIMER for (VAR_6 = 0; VAR_6 < s->macroblock_height; VAR_6++) render_slice(s, VAR_6); STOP_TIMER("render_fragments")} {START_TIMER apply_loop_filter(s); STOP_TIMER("apply_loop_filter")} #if KEYFRAMES_ONLY
} #endif
*VAR_2=sizeof(AVFrame); *(AVFrame*)VAR_1= s->current_frame; if ((s->last_frame.VAR_1[0]) &&
(s->last_frame.VAR_1[0] != s->golden_frame.VAR_1[0]))
VAR_0->release_buffer(VAR_0, &s->last_frame); s->last_frame= s->current_frame; s->current_frame.VAR_1[0]= NULL; return VAR_4; }