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authorNiklesh <niklesh.lalwani@iitb.ac.in>2015-05-25 22:46:04 +0530
committerPhilip Langdale <philipl@overt.org>2015-05-25 11:39:29 -0700
commit9aabc926ca14faf240d078c7e428045b62018c8b (patch)
tree4a519f562892fe73f27562c67c64c1d092272735 /libavcodec/movtextdec.c
parente48a9ac9af5f6e652735aa44a86420b5e7258895 (diff)
Improve upon dynamic arrays- movtext subtitles
Signed-off-by: Niklesh <niklesh.lalwani@iitb.ac.in>
Diffstat (limited to 'libavcodec/movtextdec.c')
-rw-r--r--libavcodec/movtextdec.c34
1 files changed, 18 insertions, 16 deletions
diff --git a/libavcodec/movtextdec.c b/libavcodec/movtextdec.c
index 04e1c8a82a..8dda5cea0d 100644
--- a/libavcodec/movtextdec.c
+++ b/libavcodec/movtextdec.c
@@ -32,14 +32,13 @@
#define STYLE_FLAG_UNDERLINE 4
static int text_to_ass(AVBPrint *buf, const char *text, const char *text_end,
- int **style_start, int **style_end,
- int **style_flags, int style_entries)
+ char **style_start, char **style_end,
+ uint8_t **style_flags, int style_entries)
{
int i = 0;
- int style_pos = 0;
while (text < text_end) {
for (i = 0; i < style_entries; i++) {
- if (*style_flags[i] && style_pos == *style_start[i]) {
+ if (*style_flags[i] && text == style_start[i]) {
if (*style_flags[i] & STYLE_FLAG_BOLD)
av_bprintf(buf, "{\\b1}");
if (*style_flags[i] & STYLE_FLAG_ITALIC)
@@ -61,7 +60,7 @@ static int text_to_ass(AVBPrint *buf, const char *text, const char *text_end,
}
for (i = 0; i < style_entries; i++) {
- if (*style_flags[i] && style_pos == *style_end[i]) {
+ if (*style_flags[i] && text == style_end[i]) {
if (*style_flags[i] & STYLE_FLAG_BOLD)
av_bprintf(buf, "{\\b0}");
if (*style_flags[i] & STYLE_FLAG_ITALIC)
@@ -71,7 +70,6 @@ static int text_to_ass(AVBPrint *buf, const char *text, const char *text_end,
}
}
text++;
- style_pos++;
}
return 0;
@@ -98,13 +96,13 @@ static int mov_text_decode_frame(AVCodecContext *avctx,
//char *ptr_temp;
int text_length, tsmb_type, style_entries;
uint64_t tsmb_size, tracksize;
- int **style_start = {0,};
- int **style_end = {0,};
- int **style_flags = {0,};
+ char **style_start = { 0, };
+ char **style_end = { 0, };
+ uint8_t **style_flags = { 0, };
const uint8_t *tsmb;
int index, i, size_var;
- int *flag;
- int *style_pos;
+ uint8_t *flag;
+ char *style_pos;
if (!ptr || avpkt->size < 2)
return AVERROR_INVALIDDATA;
@@ -172,19 +170,19 @@ static int mov_text_decode_frame(AVCodecContext *avctx,
break;
for(i = 0; i < style_entries; i++) {
- style_pos = av_malloc(4);
- *style_pos = AV_RB16(tsmb);
+ style_pos = ptr + AV_RB16(tsmb);
index = i;
av_dynarray_add(&style_start, &index, style_pos);
tsmb += 2;
- style_pos = av_malloc(4);
- *style_pos = AV_RB16(tsmb);
+ style_pos = ptr + AV_RB16(tsmb);
index = i;
av_dynarray_add(&style_end, &index, style_pos);
tsmb += 2;
// fontID = AV_RB16(tsmb);
tsmb += 2;
- flag = av_malloc(4);
+ flag = av_malloc(1);
+ if (!flag)
+ return AVERROR(ENOMEM);
*flag = AV_RB8(tsmb);
index = i;
av_dynarray_add(&style_flags, &index, flag);
@@ -194,6 +192,10 @@ static int mov_text_decode_frame(AVCodecContext *avctx,
tsmb += 4;
}
text_to_ass(&buf, ptr, end, style_start, style_end, style_flags, style_entries);
+
+ for(i = 0; i < style_entries; i++) {
+ av_freep(&style_flags[i]);
+ }
av_freep(&style_start);
av_freep(&style_end);
av_freep(&style_flags);