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cosmetic (remove != 0 / != NULL)

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Originally committed as revision 11064 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-11-19 20:26:35 +00:00
parent e1c48b7aae
commit 0dd954b1f0
1 changed files with 44 additions and 44 deletions
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88
libavcodec/dvbsubdec.c
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@ -234,7 +234,7 @@ static DVBSubObject* get_object(DVBSubContext *ctx, int object_id)
{ {
DVBSubObject *ptr = ctx->object_list; DVBSubObject *ptr = ctx->object_list;
while (ptr != NULL && ptr->id != object_id) { while (ptr && ptr->id != object_id) {
ptr = ptr->next; ptr = ptr->next;
} }
@ -245,7 +245,7 @@ static DVBSubCLUT* get_clut(DVBSubContext *ctx, int clut_id)
{ {
DVBSubCLUT *ptr = ctx->clut_list; DVBSubCLUT *ptr = ctx->clut_list;
while (ptr != NULL && ptr->id != clut_id) { while (ptr && ptr->id != clut_id) {
ptr = ptr->next; ptr = ptr->next;
} }
@ -256,7 +256,7 @@ static DVBSubRegion* get_region(DVBSubContext *ctx, int region_id)
{ {
DVBSubRegion *ptr = ctx->region_list; DVBSubRegion *ptr = ctx->region_list;
while (ptr != NULL && ptr->id != region_id) { while (ptr && ptr->id != region_id) {
ptr = ptr->next; ptr = ptr->next;
} }
@ -268,16 +268,16 @@ static void delete_region_display_list(DVBSubContext *ctx, DVBSubRegion *region)
DVBSubObject *object, *obj2, **obj2_ptr; DVBSubObject *object, *obj2, **obj2_ptr;
DVBSubObjectDisplay *display, *obj_disp, **obj_disp_ptr; DVBSubObjectDisplay *display, *obj_disp, **obj_disp_ptr;
while (region->display_list != NULL) { while (region->display_list) {
display = region->display_list; display = region->display_list;
object = get_object(ctx, display->object_id); object = get_object(ctx, display->object_id);
if (object != NULL) { if (object) {
obj_disp = object->display_list; obj_disp = object->display_list;
obj_disp_ptr = &object->display_list; obj_disp_ptr = &object->display_list;
while (obj_disp != NULL && obj_disp != display) { while (obj_disp && obj_disp != display) {
obj_disp_ptr = &obj_disp->object_list_next; obj_disp_ptr = &obj_disp->object_list_next;
obj_disp = obj_disp->object_list_next; obj_disp = obj_disp->object_list_next;
} }
@ -289,7 +289,7 @@ static void delete_region_display_list(DVBSubContext *ctx, DVBSubRegion *region)
obj2 = ctx->object_list; obj2 = ctx->object_list;
obj2_ptr = &ctx->object_list; obj2_ptr = &ctx->object_list;
while (obj2 != NULL && obj2 != object) { while (obj2 && obj2 != object) {
obj2_ptr = &obj2->next; obj2_ptr = &obj2->next;
obj2 = obj2->next; obj2 = obj2->next;
} }
@ -313,20 +313,20 @@ static void delete_state(DVBSubContext *ctx)
DVBSubRegion *region; DVBSubRegion *region;
DVBSubCLUT *clut; DVBSubCLUT *clut;
while (ctx->region_list != NULL) while (ctx->region_list)
{ {
region = ctx->region_list; region = ctx->region_list;
ctx->region_list = region->next; ctx->region_list = region->next;
delete_region_display_list(ctx, region); delete_region_display_list(ctx, region);
if (region->pbuf != NULL) if (region->pbuf)
av_free(region->pbuf); av_free(region->pbuf);
av_free(region); av_free(region);
} }
while (ctx->clut_list != NULL) while (ctx->clut_list)
{ {
clut = ctx->clut_list; clut = ctx->clut_list;
@ -336,7 +336,7 @@ static void delete_state(DVBSubContext *ctx)
} }
/* Should already be null */ /* Should already be null */
if (ctx->object_list != NULL) if (ctx->object_list)
av_log(0, AV_LOG_ERROR, "Memory deallocation error!\n"); av_log(0, AV_LOG_ERROR, "Memory deallocation error!\n");
} }
@ -420,7 +420,7 @@ static int dvbsub_close_decoder(AVCodecContext *avctx)
delete_state(ctx); delete_state(ctx);
while (ctx->display_list != NULL) while (ctx->display_list)
{ {
display = ctx->display_list; display = ctx->display_list;
ctx->display_list = display->next; ctx->display_list = display->next;
@ -446,9 +446,9 @@ static int dvbsub_read_2bit_string(uint8_t *destbuf, int dbuf_len,
while (get_bits_count(&gb) < (buf_size << 8) && pixels_read < dbuf_len) { while (get_bits_count(&gb) < (buf_size << 8) && pixels_read < dbuf_len) {
bits = get_bits(&gb, 2); bits = get_bits(&gb, 2);
if (bits != 0) { if (bits) {
if (non_mod != 1 || bits != 1) { if (non_mod != 1 || bits != 1) {
if (map_table != NULL) if (map_table)
*destbuf++ = map_table[bits]; *destbuf++ = map_table[bits];
else else
*destbuf++ = bits; *destbuf++ = bits;
@ -463,7 +463,7 @@ static int dvbsub_read_2bit_string(uint8_t *destbuf, int dbuf_len,
if (non_mod == 1 && bits == 1) if (non_mod == 1 && bits == 1)
pixels_read += run_length; pixels_read += run_length;
else { else {
if (map_table != NULL) if (map_table)
bits = map_table[bits]; bits = map_table[bits];
while (run_length-- > 0 && pixels_read < dbuf_len) { while (run_length-- > 0 && pixels_read < dbuf_len) {
*destbuf++ = bits; *destbuf++ = bits;
@ -481,7 +481,7 @@ static int dvbsub_read_2bit_string(uint8_t *destbuf, int dbuf_len,
if (non_mod == 1 && bits == 1) if (non_mod == 1 && bits == 1)
pixels_read += run_length; pixels_read += run_length;
else { else {
if (map_table != NULL) if (map_table)
bits = map_table[bits]; bits = map_table[bits];
while (run_length-- > 0 && pixels_read < dbuf_len) { while (run_length-- > 0 && pixels_read < dbuf_len) {
*destbuf++ = bits; *destbuf++ = bits;
@ -495,7 +495,7 @@ static int dvbsub_read_2bit_string(uint8_t *destbuf, int dbuf_len,
if (non_mod == 1 && bits == 1) if (non_mod == 1 && bits == 1)
pixels_read += run_length; pixels_read += run_length;
else { else {
if (map_table != NULL) if (map_table)
bits = map_table[bits]; bits = map_table[bits];
while (run_length-- > 0 && pixels_read < dbuf_len) { while (run_length-- > 0 && pixels_read < dbuf_len) {
*destbuf++ = bits; *destbuf++ = bits;
@ -504,7 +504,7 @@ static int dvbsub_read_2bit_string(uint8_t *destbuf, int dbuf_len,
} }
} else if (bits == 1) { } else if (bits == 1) {
pixels_read += 2; pixels_read += 2;
if (map_table != NULL) if (map_table)
bits = map_table[0]; bits = map_table[0];
else else
bits = 0; bits = 0;
@ -517,7 +517,7 @@ static int dvbsub_read_2bit_string(uint8_t *destbuf, int dbuf_len,
return pixels_read; return pixels_read;
} }
} else { } else {
if (map_table != NULL) if (map_table)
bits = map_table[0]; bits = map_table[0];
else else
bits = 0; bits = 0;
@ -528,7 +528,7 @@ static int dvbsub_read_2bit_string(uint8_t *destbuf, int dbuf_len,
} }
} }
if (get_bits(&gb, 6) != 0) if (get_bits(&gb, 6))
av_log(0, AV_LOG_ERROR, "DVBSub error: line overflow\n"); av_log(0, AV_LOG_ERROR, "DVBSub error: line overflow\n");
(*srcbuf) += (get_bits_count(&gb) + 7) >> 3; (*srcbuf) += (get_bits_count(&gb) + 7) >> 3;
@ -551,9 +551,9 @@ static int dvbsub_read_4bit_string(uint8_t *destbuf, int dbuf_len,
while (get_bits_count(&gb) < (buf_size << 8) && pixels_read < dbuf_len) { while (get_bits_count(&gb) < (buf_size << 8) && pixels_read < dbuf_len) {
bits = get_bits(&gb, 4); bits = get_bits(&gb, 4);
if (bits != 0) { if (bits) {
if (non_mod != 1 || bits != 1) { if (non_mod != 1 || bits != 1) {
if (map_table != NULL) if (map_table)
*destbuf++ = map_table[bits]; *destbuf++ = map_table[bits];
else else
*destbuf++ = bits; *destbuf++ = bits;
@ -571,7 +571,7 @@ static int dvbsub_read_4bit_string(uint8_t *destbuf, int dbuf_len,
run_length += 2; run_length += 2;
if (map_table != NULL) if (map_table)
bits = map_table[0]; bits = map_table[0];
else else
bits = 0; bits = 0;
@ -589,7 +589,7 @@ static int dvbsub_read_4bit_string(uint8_t *destbuf, int dbuf_len,
if (non_mod == 1 && bits == 1) if (non_mod == 1 && bits == 1)
pixels_read += run_length; pixels_read += run_length;
else { else {
if (map_table != NULL) if (map_table)
bits = map_table[bits]; bits = map_table[bits];
while (run_length-- > 0 && pixels_read < dbuf_len) { while (run_length-- > 0 && pixels_read < dbuf_len) {
*destbuf++ = bits; *destbuf++ = bits;
@ -605,7 +605,7 @@ static int dvbsub_read_4bit_string(uint8_t *destbuf, int dbuf_len,
if (non_mod == 1 && bits == 1) if (non_mod == 1 && bits == 1)
pixels_read += run_length; pixels_read += run_length;
else { else {
if (map_table != NULL) if (map_table)
bits = map_table[bits]; bits = map_table[bits];
while (run_length-- > 0 && pixels_read < dbuf_len) { while (run_length-- > 0 && pixels_read < dbuf_len) {
*destbuf++ = bits; *destbuf++ = bits;
@ -619,7 +619,7 @@ static int dvbsub_read_4bit_string(uint8_t *destbuf, int dbuf_len,
if (non_mod == 1 && bits == 1) if (non_mod == 1 && bits == 1)
pixels_read += run_length; pixels_read += run_length;
else { else {
if (map_table != NULL) if (map_table)
bits = map_table[bits]; bits = map_table[bits];
while (run_length-- > 0 && pixels_read < dbuf_len) { while (run_length-- > 0 && pixels_read < dbuf_len) {
*destbuf++ = bits; *destbuf++ = bits;
@ -628,7 +628,7 @@ static int dvbsub_read_4bit_string(uint8_t *destbuf, int dbuf_len,
} }
} else if (bits == 1) { } else if (bits == 1) {
pixels_read += 2; pixels_read += 2;
if (map_table != NULL) if (map_table)
bits = map_table[0]; bits = map_table[0];
else else
bits = 0; bits = 0;
@ -637,7 +637,7 @@ static int dvbsub_read_4bit_string(uint8_t *destbuf, int dbuf_len,
*destbuf++ = bits; *destbuf++ = bits;
} }
} else { } else {
if (map_table != NULL) if (map_table)
bits = map_table[0]; bits = map_table[0];
else else
bits = 0; bits = 0;
@ -649,7 +649,7 @@ static int dvbsub_read_4bit_string(uint8_t *destbuf, int dbuf_len,
} }
} }
if (get_bits(&gb, 8) != 0) if (get_bits(&gb, 8))
av_log(0, AV_LOG_ERROR, "DVBSub error: line overflow\n"); av_log(0, AV_LOG_ERROR, "DVBSub error: line overflow\n");
(*srcbuf) += (get_bits_count(&gb) + 7) >> 3; (*srcbuf) += (get_bits_count(&gb) + 7) >> 3;
@ -669,9 +669,9 @@ static int dvbsub_read_8bit_string(uint8_t *destbuf, int dbuf_len,
while (*srcbuf < sbuf_end && pixels_read < dbuf_len) { while (*srcbuf < sbuf_end && pixels_read < dbuf_len) {
bits = *(*srcbuf)++; bits = *(*srcbuf)++;
if (bits != 0) { if (bits) {
if (non_mod != 1 || bits != 1) { if (non_mod != 1 || bits != 1) {
if (map_table != NULL) if (map_table)
*destbuf++ = map_table[bits]; *destbuf++ = map_table[bits];
else else
*destbuf++ = bits; *destbuf++ = bits;
@ -685,7 +685,7 @@ static int dvbsub_read_8bit_string(uint8_t *destbuf, int dbuf_len,
return pixels_read; return pixels_read;
} }
if (map_table != NULL) if (map_table)
bits = map_table[0]; bits = map_table[0];
else else
bits = 0; bits = 0;
@ -698,7 +698,7 @@ static int dvbsub_read_8bit_string(uint8_t *destbuf, int dbuf_len,
if (non_mod == 1 && bits == 1) if (non_mod == 1 && bits == 1)
pixels_read += run_length; pixels_read += run_length;
if (map_table != NULL) if (map_table)
bits = map_table[bits]; bits = map_table[bits];
else while (run_length-- > 0 && pixels_read < dbuf_len) { else while (run_length-- > 0 && pixels_read < dbuf_len) {
*destbuf++ = bits; *destbuf++ = bits;
@ -708,7 +708,7 @@ static int dvbsub_read_8bit_string(uint8_t *destbuf, int dbuf_len,
} }
} }
if (*(*srcbuf)++ != 0) if (*(*srcbuf)++)
av_log(0, AV_LOG_ERROR, "DVBSub error: line overflow\n"); av_log(0, AV_LOG_ERROR, "DVBSub error: line overflow\n");
return pixels_read; return pixels_read;
@ -749,7 +749,7 @@ static void dvbsub_parse_pixel_data_block(AVCodecContext *avctx, DVBSubObjectDis
av_log(avctx, AV_LOG_INFO, "\n"); av_log(avctx, AV_LOG_INFO, "\n");
} }
if (i % 16 != 0) if (i % 16)
av_log(avctx, AV_LOG_INFO, "\n"); av_log(avctx, AV_LOG_INFO, "\n");
#endif #endif
@ -872,7 +872,7 @@ static void dvbsub_parse_object_segment(AVCodecContext *avctx,
return; return;
} }
for (display = object->display_list; display != 0; display = display->object_list_next) { for (display = object->display_list; display; display = display->object_list_next) {
block = buf; block = buf;
dvbsub_parse_pixel_data_block(avctx, display, block, top_field_len, 0, dvbsub_parse_pixel_data_block(avctx, display, block, top_field_len, 0,
@ -919,7 +919,7 @@ static void dvbsub_parse_clut_segment(AVCodecContext *avctx,
av_log(avctx, AV_LOG_INFO, "\n"); av_log(avctx, AV_LOG_INFO, "\n");
} }
if (i % 16 != 0) if (i % 16)
av_log(avctx, AV_LOG_INFO, "\n"); av_log(avctx, AV_LOG_INFO, "\n");
#endif #endif
@ -1024,7 +1024,7 @@ static void dvbsub_parse_region_segment(AVCodecContext *avctx,
buf += 2; buf += 2;
if (region->width * region->height != region->buf_size) { if (region->width * region->height != region->buf_size) {
if (region->pbuf != 0) if (region->pbuf)
av_free(region->pbuf); av_free(region->pbuf);
region->buf_size = region->width * region->height; region->buf_size = region->width * region->height;
@ -1141,7 +1141,7 @@ static void dvbsub_parse_page_segment(AVCodecContext *avctx,
display = tmp_display_list; display = tmp_display_list;
tmp_ptr = &tmp_display_list; tmp_ptr = &tmp_display_list;
while (display != NULL && display->region_id != region_id) { while (display && display->region_id != region_id) {
tmp_ptr = &display->next; tmp_ptr = &display->next;
display = display->next; display = display->next;
} }
@ -1167,7 +1167,7 @@ static void dvbsub_parse_page_segment(AVCodecContext *avctx,
#endif #endif
} }
while (tmp_display_list != 0) { while (tmp_display_list) {
display = tmp_display_list; display = tmp_display_list;
tmp_display_list = display->next; tmp_display_list = display->next;
@ -1196,7 +1196,7 @@ static void save_display_set(DVBSubContext *ctx)
width = 0; width = 0;
height = 0; height = 0;
for (display = ctx->display_list; display != NULL; display = display->next) { for (display = ctx->display_list; display; display = display->next) {
region = get_region(ctx, display->region_id); region = get_region(ctx, display->region_id);
if (x_pos == -1) { if (x_pos == -1) {
@ -1229,7 +1229,7 @@ static void save_display_set(DVBSubContext *ctx)
pbuf = av_malloc(width * height * 4); pbuf = av_malloc(width * height * 4);
for (display = ctx->display_list; display != NULL; display = display->next) { for (display = ctx->display_list; display; display = display->next) {
region = get_region(ctx, display->region_id); region = get_region(ctx, display->region_id);
x_off = display->x_pos - x_pos; x_off = display->x_pos - x_pos;
@ -1297,7 +1297,7 @@ static int dvbsub_display_end_segment(AVCodecContext *avctx, uint8_t *buf,
i = 0; i = 0;
for (display = ctx->display_list; display != NULL; display = display->next) { for (display = ctx->display_list; display; display = display->next) {
region = get_region(ctx, display->region_id); region = get_region(ctx, display->region_id);
rect = &sub->rects[i]; rect = &sub->rects[i];
@ -1370,7 +1370,7 @@ static int dvbsub_decode(AVCodecContext *avctx,
av_log(avctx, AV_LOG_INFO, "\n"); av_log(avctx, AV_LOG_INFO, "\n");
} }
if (i % 16 != 0) if (i % 16)
av_log(avctx, AV_LOG_INFO, "\n"); av_log(avctx, AV_LOG_INFO, "\n");
#endif #endif