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avformat/hlsenc: fix segfault when using -hls_segment_type fmp4 with -hls_segment_filename 

previously, specifying -hls_segment_filename meant
s->base_output_dirname was never set, causing a segfault:

(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
* frame #0: 0x00007fffbf7d82d0 libsystem_platform.dylib`_platform_strcmp + 80
frame #1: 0x00000001005f4dcf libavformat.57.dylib`io_open_default(s=0x000000010481cc00, pb=0x0000000104806020, url=0x0000000000000000, flags=2, options=0x0000000000000000) at options.c:107
frame #2: 0x0000000100528968 libavformat.57.dylib`hls_mux_init(s=0x000000010481cc00) at hlsenc.c:595
frame #3: 0x00000001005273cb libavformat.57.dylib`hls_write_header(s=0x000000010481cc00) at hlsenc.c:1518
frame #4: 0x00000001005c08d0 libavformat.57.dylib`write_header_internal(s=0x000000010481cc00) at mux.c:486
frame #5: 0x00000001005c0774 libavformat.57.dylib`avformat_write_header(s=0x000000010481cc00, options=0x00000001029026e8) at mux.c:539
This commit is contained in:
Aman Gupta 2017-09-16 10:32:28 +08:00 committed by Steven Liu
parent 42a41c3956
commit 73bf0f42e3
1 changed files with 23 additions and 22 deletions
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45
libavformat/hlsenc.c
View File

@ -1441,32 +1441,33 @@ static int hls_write_header(AVFormatContext *s)
} else {
av_strlcat(hls->basename, pattern, basename_size);
}
}
if (av_strcasecmp(hls->fmp4_init_filename, "init.mp4")) {
int fmp4_init_filename_len = strlen(hls->fmp4_init_filename) + 1;
hls->base_output_dirname = av_malloc(fmp4_init_filename_len);
if (!hls->base_output_dirname) {
ret = AVERROR(ENOMEM);
goto fail;
}
av_strlcpy(hls->base_output_dirname, hls->fmp4_init_filename, fmp4_init_filename_len);
if (av_strcasecmp(hls->fmp4_init_filename, "init.mp4")) {
int fmp4_init_filename_len = strlen(hls->fmp4_init_filename) + 1;
hls->base_output_dirname = av_malloc(fmp4_init_filename_len);
if (!hls->base_output_dirname) {
ret = AVERROR(ENOMEM);
goto fail;
}
av_strlcpy(hls->base_output_dirname, hls->fmp4_init_filename, fmp4_init_filename_len);
} else {
hls->base_output_dirname = av_malloc(basename_size);
if (!hls->base_output_dirname) {
ret = AVERROR(ENOMEM);
goto fail;
}
av_strlcpy(hls->base_output_dirname, s->filename, basename_size);
p = strrchr(hls->base_output_dirname, '/');
if (p) {
*(p + 1) = '\0';
av_strlcat(hls->base_output_dirname, hls->fmp4_init_filename, basename_size);
} else {
hls->base_output_dirname = av_malloc(basename_size);
if (!hls->base_output_dirname) {
ret = AVERROR(ENOMEM);
goto fail;
}
av_strlcpy(hls->base_output_dirname, s->filename, basename_size);
p = strrchr(hls->base_output_dirname, '/');
if (p) {
*(p + 1) = '\0';
av_strlcat(hls->base_output_dirname, hls->fmp4_init_filename, basename_size);
} else {
av_strlcpy(hls->base_output_dirname, hls->fmp4_init_filename, basename_size);
}
av_strlcpy(hls->base_output_dirname, hls->fmp4_init_filename, basename_size);
}
}
if (!hls->use_localtime) {
ret = sls_flag_check_duration_size_index(hls);
if (ret < 0) {