Hi,

On Wed, Dec 21, 2011 at 8:06 AM, Yordan Makariev <[email protected]> wrote:
> @@ -69,7 +73,8 @@ double ff_timefilter_update(TimeFilter *self, double 
> system_time, double period)
[..]
>         /// update loop
> -        self->cycle_time   += FFMAX(self->feedback2_factor, 
> 1.0/(self->count)) * loop_error;
> +        self->cycle_time   += FFMAX(self->feedback2_factor,
> +                              1.0 / (self->count)) * loop_error;

"1.0" should vertically align with "self", given its context.

> -int main(void)
> +int main(void)

?

> +            for (i = 0; i < SAMPLES; i++) {
> +                ideal[i] = 10 + i + n1 * i / (1000);
>                 samples[i] = ideal[i] + n0 * (av_lfg_get(&prng) - LFG_MAX / 2)
>                                            / (LFG_MAX * 10LL);

/ should go on previous line.

> +                for (par0  = bestpar0 * 0.8; par0 <= bestpar0 * 1.21;
> +                     par0 += bestpar0 * 0.05) {
> +                    for(par1  = bestpar1 * 0.8; par1 <= bestpar1 * 1.21;
> +                        par1 += bestpar1 * 0.05) {

for (, note the space.

> +                printf("%f %f %f %f\n", i - samples[i] + 10,
> +                                 filtered - samples[i],
> +                                 samples[FFMAX(i, 1)] - samples[FFMAX(i-1, 
> 0)],
> +                                 filtered - lastfil);

Vertically align each line with the first " on the first line.

> -                c = (c>>1)^(poly & (-(c&1)));
> +                 c = (c >> 1) ^(poly & (-(c & 1)));

Spaces around ^.

> -                c = (c<<1) ^ ((poly<<(32-bits)) & (((int32_t)c)>>31) );
> +                 c = (c << 1) ^((poly << (32 - bits)) & (((int32_t)c) >> 
> 31));

Same.

> +            for (j = 0; j < 3; j++)
> +                ctx[256 *(j + 1) + i] =
> +               (ctx[256 * j + i] >> 8) ^ctx[ctx[256 * j + i] & 0xFF];

Spaces around * in second line, and around ^ in third line.

>         if (av_crc_init(av_crc_table[crc_id],
> -                        av_crc_table_params[crc_id].le,
> -                        av_crc_table_params[crc_id].bits,
> -                        av_crc_table_params[crc_id].poly,
> -                        sizeof(av_crc_table[crc_id])) < 0)
> +            av_crc_table_params[crc_id].le,
> +            av_crc_table_params[crc_id].bits,
> +            av_crc_table_params[crc_id].poly,
> +            sizeof(av_crc_table[crc_id])) < 0)

This was good originally.

> +uint32_t av_crc(const AVCRC *ctx, uint32_t crc,
> +                const uint8_t *buffer, size_t length)
[..]
> +    if (!ctx[256]) {
> +        while (((intptr_t) buffer & 3) && buffer < end)
> +            crc = ctx[((uint8_t)crc) ^ *buffer++] ^(crc >> 8);

Spaces around ^.

> +        while (buffer < end - 3) {
> +            crc ^= av_le2ne32(*(const uint32_t*)buffer); buffer += 4;
> +            crc =  ctx[3 * 256 + ( crc        & 0xFF)]
> +                 ^ ctx[2 * 256 + ((crc >> 8 ) & 0xFF)]
> +                 ^ ctx[1 * 256 + ((crc >> 16) & 0xFF)]
> +                 ^ ctx[0 * 256 + ((crc >> 24)       )];

^ goes on previous line.


> -    while(buffer<end)
> -        crc = ctx[((uint8_t)crc) ^ *buffer++] ^ (crc >> 8);
> +    while (buffer<end)

Spaces around <.

> +        crc = ctx[((uint8_t)crc) ^ *buffer++] ^(crc >> 8);

Space between cast and value ("((uint8t_t) crc)"), and around ^.

> diff --git a/libavutil/log.c b/libavutil/log.c
[..]
> +static const uint8_t color[] = { 0x41, 0x41, 0x11, 0x03, 9, 9, 9 };
> +#define set_color(x)  fprintf(stderr, "\033[%d;3%dm", color[x] >> 4, 
> color[x]&15)

Spaces around &.

> +const char *av_default_item_name(void *ptr)
> +{
>     return (*(AVClass**)ptr)->class_name;

Space between cast and value, and space between elementary type and
pointer indicator in cast, i.e. "(*(AVClass **) ptr)".

> +            AVClass** parent = * (AVClass ***) (( (uint8_t *) ptr) +

Remove the space between 2 "("s.

> +                                  avc->parent_log_context_offset);
> +            if (parent && *parent) {
> +                snprintf(line, sizeof(line), "[%s @ %p] ",
> +               ( *parent )->item_name(parent), parent);

Vertically align "(*parent)" of second lines with "line" of first
line. Also remove spaces there.

> +        level += *( int* )(( (uint8_t *) avcl) + 
> avc->log_level_offset_offset);

Same.

> diff --git a/libavutil/random_seed.c b/libavutil/random_seed.c
[..]
> +        if (last_t && fabs(t - last_t) > s || t == (clock_t) - 1) {

No space in negator, i.e. "(clock_t) -1".

> diff --git a/libavutil/rational.c b/libavutil/rational.c
[..]
> +int av_reduce (int *dst_num, int *dst_den,
> +               int64_t num, int64_t den, int64_t max)

No space in function declaration ("int av_reduce(..").

> +            if (den* (2 * x * a1.den + a0.den) > num * a1.den)
> +                a1 = (AVRational) {x * a1.num + a0.num, x * a1.den + a0.den};

Space before last }.

> +AVRational av_mul_q(AVRational b, AVRational c)
> +{
> +    av_reduce(&b.num, &b.den,
> +               b.num * (int64_t)c.num,
> +               b.den * (int64_t)c.den, INT_MAX);

Space between cast and value.

> +AVRational av_add_q(AVRational b, AVRational c) {
> +    av_reduce(&b.num, &b.den,
> +               b.num * (int64_t)c.den +
> +               c.num * (int64_t)b.den,
> +               b.den * (int64_t)c.den, INT_MAX);

Same.

>     if (isinf(d))
> -        return (AVRational){ d<0 ? -1:1, 0 };
> +        return (AVRational) { d<0 ? -1 : 1, 0 };

Spaces around '<'.

> +int av_find_nearest_q_idx(AVRational q, const AVRational* q_list)
[..]
> -    for(i=0; q_list[i].den; i++)
> -        if (av_nearer_q(q, q_list[i], q_list[nearest_q_idx]) > 0)
> +    for(i = 0; q_list[i].den; i++)
> +        if (av_nearer_q(q, q_list[i], q_list[nearest_q_idx]) > 0)f

f?

> diff --git a/libavutil/tree.c b/libavutil/tree.c
[..]
> +void *av_tree_insert(AVTreeNode **tp, void *key, int ( *cmp )(void *key,
> +     const void *b), AVTreeNode **next)

"int (*cmp)(..)", and try to keep that on one line or at least
vertically aligned, e.g.:

void *av_tree_insert(AVTreeNode **tp, void *key,
                     int (*cmp)(void *key, const void *b),
                     AVTreeNode **next)

>                     /* The following code is equivalent to
>                     if((*child)->state*2 == -t->state)

Spaces around *.

>                         rotate(child, i^1);

Spaces around ^.

> +                        *tp = ( *child )->child[i ^ 1];

Remove spaces in (*child), same below (also for "(*tp)").

> +                        ( *child )->child[i ^ 1] = ( *tp )->child[i];
> +                        ( *tp )->child[i] = *child;
> +                        *child = ( *tp )->child[i ^ 1];
> +                        ( *tp )->child[i ^ 1] = t;
> +
> +                        ( *tp )->child[0]->state = -(( * tp)->state > 0);
> +                        ( *tp )->child[1]->state =   ( * tp)->state < 0;
> +                        ( *tp )->state = 0;
> +                    } else {
> +                        *tp    =   *child;
> +                        *child = ( *child )->child[i ^ 1];
> +                        ( *tp )->child[i ^ 1] = t;
> +                        if (( *tp )->state) t->state = 0;
> +                        else                t->state >> = 1;
> +                        ( *tp )->state  =  -t->state;

See above.

> -            if(!(*tp)->state ^ !!*next)
> +            if (!( *tp )->state ^ !!*next)

Same.

> +        if ( *tp ) {
> +            ( *tp )->elem = key;

See above.

> +void av_tree_enumerate(AVTreeNode *t, void *opaque,
> +                         int ( *cmp )(void *opaque, void *elem),
> +                         int ( *enu )(void *opaque, void *elem))

Remove spaces in "*cmp) and (*enu).

> -        if(left>999 || right>999)
> +        if (left>999 || right>999)

Spaces around >.


> -        if(t->state>1 || t->state<-1)
> +        if (t->state>1  ||  t->state<-1)

Same.

> +int main (void)
[..]
> -        if(!node)
> -            node= av_mallocz(av_tree_node_size);
> -        av_tree_insert(&root, (void*)(j+1), cmp, &node);
> +        if (!node)
> +             node = av_mallocz(av_tree_node_size);
> +        av_tree_insert(&root, ( void* )(j + 1), cmp, &node);

(void *) (j + 1).

> diff --git a/libswscale/colorspace-test.c b/libswscale/colorspace-test.c
[..]
> +    uint8_t *srcBuffer = ( uint8_t* )av_malloc(SIZE);
> +    uint8_t *dstBuffer = ( uint8_t* )av_malloc(SIZE);

Remove spaces in (uint8_t *) except between elementary type and
pointer indicator.

> -            void (*func)(const uint8_t *src, uint8_t *dst, int src_size);
> +            void ( *func )(const uint8_t *src, uint8_t *dst, int src_size);

(*func).

> diff --git a/libswscale/sparc/yuv2rgb_vis.c b/libswscale/sparc/yuv2rgb_vis.c
[..]
> @@ -122,11 +123,14 @@ static int vis_420P_ARGB32(SwsContext *c, uint8_t* 
> src[], int srcStride[], int s
>             "subcc %4, 8, %4 \n\t"
>             "bne 1b          \n\t"
>             "add %3, 32, %3  \n\t" //delay slot
> -            : "=r" (out1), "=r" (out2), "=r" (out3), "=r" (out4), "=r" 
> (out5), "=r" (out6)
> -            : "0" (src[0]+(y+srcSliceY)*srcStride[0]), "1" 
> (src[1]+((y+srcSliceY)>>1)*srcStride[1]),
> -                "2" (src[2]+((y+srcSliceY)>>1)*srcStride[2]), "3" 
> (dst[0]+(y+srcSliceY)*dstStride[0]),
> -                "4" (c->dstW),
> -                "5" (c->sparc_coeffs)
> +            : "=r" (out1), "=r" (out2), "=r" (out3),
> +              "=r" (out4), "=r" (out5), "=r" (out6)
> +            : "0" (src[0] +  (y + srcSliceY)   *   srcStride[0]),
> +              "1" (src[1] + ((y + srcSliceY)>>1) * srcStride[1]),
> +              "2" (src[2] + ((y + srcSliceY)>>1) * srcStride[2]),

Spaces around >>.

> +SwsFunc ff_yuv2rgb_init_vis(SwsContext *c)
[..]
> +    c->sparc_coeffs[0] = (((int16_t)c->yOffset * (int16_t)c->yCoeff >>11) &
> +                         0xffff) * 0x0001000100010001ULL;

Spaces right of >>. Same below.

> +    c->sparc_coeffs[1] = (((int16_t)c->uOffset * (int16_t)c->ubCoeff>>11) &
> +                         0xffff) * 0x0001000100010001ULL;
> +    c->sparc_coeffs[2] = (((int16_t)c->uOffset * (int16_t)c->ugCoeff>>11) &
> +                         0xffff) * 0x0001000100010001ULL;
> +    c->sparc_coeffs[3] = (((int16_t)c->vOffset * (int16_t)c->vgCoeff>>11) &
> +                         0xffff) * 0x0001000100010001ULL;
> +    c->sparc_coeffs[4] = (((int16_t)c->vOffset * (int16_t)c->vrCoeff>>11) &
> +                         0xffff) * 0x0001000100010001ULL;

See above. Also this looks quite weird, maybe break line at = instead of &?

> +
> +    if (c->dstFormat == PIX_FMT_RGB32 &&
> +        c->srcFormat == PIX_FMT_YUV422P &&
> +       (c->dstW & 7) == 0) {

One more space indentation.

> -    else if (c->dstFormat == PIX_FMT_RGB32 && c->srcFormat == 
> PIX_FMT_YUV420P && (c->dstW & 7)==0) {
> -        av_log(c, AV_LOG_INFO, "SPARC VIS accelerated YUV420P -> RGB32 
> (WARNING: alpha value is wrong)\n");
> +    else if (c->dstFormat == PIX_FMT_RGB32 &&
> +             c->srcFormat == PIX_FMT_YUV420P &&
> +            (c->dstW & 7) == 0) {

Same.

> +        av_log(c, AV_LOG_INFO,
> +        "SPARC VIS accelerated YUV420P -> RGB32"
> +        "(WARNING: alpha value is wrong)\n");
>         return vis_420P_ARGB32;

Vertically align string with "c" in first line.

Ronald
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