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avformat/hlsenc: Cosmetics

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Mainly includes reindentation and returning directly (i.e. without
a goto fail when possible).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-02-28 07:59:34 +01:00
parent 4effcc399a
commit 345158aea1
1 changed files with 55 additions and 80 deletions
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135
libavformat/hlsenc.c
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@ -1504,7 +1504,7 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs)
ff_hls_write_playlist_header(byterange_mode ? hls->m3u8_out : vs->out, hls->version, hls->allowcache,
target_duration, sequence, hls->pl_type, hls->flags & HLS_I_FRAMES_ONLY);
if ((hls->flags & HLS_DISCONT_START) && sequence==hls->start_sequence && vs->discontinuity_set==0 ) {
if ((hls->flags & HLS_DISCONT_START) && sequence==hls->start_sequence && vs->discontinuity_set==0) {
avio_printf(byterange_mode ? hls->m3u8_out : vs->out, "#EXT-X-DISCONTINUITY\n");
vs->discontinuity_set = 1;
}
@ -1664,7 +1664,7 @@ static int hls_start(AVFormatContext *s, VariantStream *vs)
}
ff_format_set_url(oc, filename);
}
if ( vs->vtt_basename) {
if (vs->vtt_basename) {
char *filename = NULL;
if (replace_int_data_in_filename(&filename,
#if FF_API_HLS_WRAP
@ -1802,10 +1802,8 @@ static int validate_name(int nb_vs, const char *fn)
char *fn_dup = NULL;
int ret = 0;
if (!fn) {
ret = AVERROR(EINVAL);
goto fail;
}
if (!fn)
return AVERROR(EINVAL);
fn_dup = av_strdup(fn);
if (!fn_dup)
@ -1839,14 +1837,12 @@ static int format_name(const char *buf, char **s, int index, const char *varname
int ret = 0;
orig_buf_dup = av_strdup(buf);
if (!orig_buf_dup) {
ret = AVERROR(ENOMEM);
goto fail;
}
if (!orig_buf_dup)
return AVERROR(ENOMEM);
if (!av_stristr(buf, "%v")) {
*s = orig_buf_dup;
return ret;
return 0;
}
if (!varname) {
@ -2164,16 +2160,14 @@ static int update_variant_stream_info(AVFormatContext *s)
hls->var_streams[0].nb_streams = s->nb_streams;
hls->var_streams[0].streams = av_mallocz(sizeof(AVStream *) *
hls->var_streams[0].nb_streams);
if (!hls->var_streams[0].streams) {
if (!hls->var_streams[0].streams)
return AVERROR(ENOMEM);
}
//by default, the first available ccgroup is mapped to the variant stream
if (hls->nb_ccstreams) {
hls->var_streams[0].ccgroup = av_strdup(hls->cc_streams[0].ccgroup);
if (!hls->var_streams[0].ccgroup) {
if (!hls->var_streams[0].ccgroup)
return AVERROR(ENOMEM);
}
}
for (i = 0; i < s->nb_streams; i++)
@ -2315,7 +2309,7 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
vs = &hls->var_streams[i];
for (j = 0; j < vs->nb_streams; j++) {
if (vs->streams[j] == st) {
if ( st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE ) {
if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
oc = vs->vtt_avf;
stream_index = 0;
} else {
@ -2340,7 +2334,7 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
if (vs->sequence - vs->nb_entries > hls->start_sequence && hls->init_time > 0) {
/* reset end_pts, hls->recording_time at end of the init hls list */
int64_t init_list_dur = hls->init_time * vs->nb_entries * AV_TIME_BASE;
int64_t after_init_list_dur = (vs->sequence - hls->start_sequence - vs->nb_entries ) * (hls->time * AV_TIME_BASE);
int64_t after_init_list_dur = (vs->sequence - hls->start_sequence - vs->nb_entries) * (hls->time * AV_TIME_BASE);
hls->recording_time = hls->time * AV_TIME_BASE;
end_pts = init_list_dur + after_init_list_dur ;
}
@ -2567,12 +2561,10 @@ static void hls_deinit(AVFormatContext *s)
{
HLSContext *hls = s->priv_data;
int i = 0;
AVFormatContext *vtt_oc = NULL;
VariantStream *vs = NULL;
for (i = 0; i < hls->nb_varstreams; i++) {
vs = &hls->var_streams[i];
vtt_oc = vs->vtt_avf;
av_freep(&vs->basename);
av_freep(&vs->base_output_dirname);
@ -2580,7 +2572,7 @@ static void hls_deinit(AVFormatContext *s)
av_freep(&vs->vtt_basename);
av_freep(&vs->vtt_m3u8_name);
avformat_free_context(vtt_oc);
avformat_free_context(vs->vtt_avf);
avformat_free_context(vs->avf);
if (hls->resend_init_file)
av_freep(&vs->init_buffer);
@ -2598,6 +2590,7 @@ static void hls_deinit(AVFormatContext *s)
for (i = 0; i < hls->nb_ccstreams; i++) {
ClosedCaptionsStream *ccs = &hls->cc_streams[i];
av_freep(&ccs->ccgroup);
av_freep(&ccs->instreamid);
av_freep(&ccs->language);
@ -2648,7 +2641,7 @@ static int hls_write_trailer(struct AVFormatContext *s)
return AVERROR(ENOMEM);
}
if ( hls->segment_type == SEGMENT_TYPE_FMP4) {
if (hls->segment_type == SEGMENT_TYPE_FMP4) {
int range_length = 0;
if (!vs->init_range_length) {
uint8_t *buffer = NULL;
@ -2767,7 +2760,7 @@ static int hls_init(AVFormatContext *s)
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "Variant stream info update failed with status %x\n",
ret);
goto fail;
return ret;
}
if (!hls->method && http_base_proto) {
@ -2776,24 +2769,24 @@ static int hls_init(AVFormatContext *s)
ret = validate_name(hls->nb_varstreams, s->url);
if (ret < 0)
goto fail;
return ret;
if (hls->segment_filename) {
ret = validate_name(hls->nb_varstreams, hls->segment_filename);
if (ret < 0)
goto fail;
return ret;
}
if (av_strcasecmp(hls->fmp4_init_filename, "init.mp4")) {
ret = validate_name(hls->nb_varstreams, hls->fmp4_init_filename);
if (ret < 0)
goto fail;
return ret;
}
if (hls->subtitle_filename) {
ret = validate_name(hls->nb_varstreams, hls->subtitle_filename);
if (ret < 0)
goto fail;
return ret;
}
if (hls->master_pl_name) {
@ -2801,7 +2794,7 @@ static int hls_init(AVFormatContext *s)
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "Master stream info update failed with status %x\n",
ret);
goto fail;
return ret;
}
}
@ -2830,24 +2823,24 @@ static int hls_init(AVFormatContext *s)
hls->recording_time = (hls->init_time ? hls->init_time : hls->time) * AV_TIME_BASE;
if (hls->flags & HLS_SPLIT_BY_TIME && hls->flags & HLS_INDEPENDENT_SEGMENTS) {
// Independent segments cannot be guaranteed when splitting by time
hls->flags &= ~HLS_INDEPENDENT_SEGMENTS;
av_log(s, AV_LOG_WARNING,
"'split_by_time' and 'independent_segments' cannot be enabled together. "
"Disabling 'independent_segments' flag\n");
}
if (hls->flags & HLS_SPLIT_BY_TIME && hls->flags & HLS_INDEPENDENT_SEGMENTS) {
// Independent segments cannot be guaranteed when splitting by time
hls->flags &= ~HLS_INDEPENDENT_SEGMENTS;
av_log(s, AV_LOG_WARNING,
"'split_by_time' and 'independent_segments' cannot be "
"enabled together. Disabling 'independent_segments' flag\n");
}
for (i = 0; i < hls->nb_varstreams; i++) {
vs = &hls->var_streams[i];
ret = format_name(s->url, &vs->m3u8_name, i, vs->varname);
if (ret < 0)
goto fail;
return ret;
vs->sequence = hls->start_sequence;
vs->start_pts = AV_NOPTS_VALUE;
vs->end_pts = AV_NOPTS_VALUE;
vs->sequence = hls->start_sequence;
vs->start_pts = AV_NOPTS_VALUE;
vs->end_pts = AV_NOPTS_VALUE;
vs->current_segment_final_filename_fmt[0] = '\0';
if (hls->flags & HLS_PROGRAM_DATE_TIME) {
@ -2873,16 +2866,13 @@ static int hls_init(AVFormatContext *s)
} else {
vs->oformat = av_guess_format("mpegts", NULL, NULL);
}
if (!vs->oformat) {
ret = AVERROR_MUXER_NOT_FOUND;
goto fail;
}
if (!vs->oformat)
return AVERROR_MUXER_NOT_FOUND;
if (hls->segment_filename) {
ret = format_name(hls->segment_filename, &vs->basename, i, vs->varname);
if (ret < 0)
goto fail;
return ret;
} else {
if (hls->flags & HLS_SINGLE_FILE) {
if (hls->segment_type == SEGMENT_TYPE_FMP4) {
@ -2899,10 +2889,8 @@ static int hls_init(AVFormatContext *s)
}
vs->basename = av_malloc(basename_size);
if (!vs->basename) {
ret = AVERROR(ENOMEM);
goto fail;
}
if (!vs->basename)
return AVERROR(ENOMEM);
av_strlcpy(vs->basename, vs->m3u8_name, basename_size);
@ -2921,16 +2909,12 @@ static int hls_init(AVFormatContext *s)
fmp4_init_filename_len += strlen(POSTFIX_PATTERN);
if (hls->flags & HLS_SINGLE_FILE) {
vs->fmp4_init_filename = av_strdup(vs->basename);
if (!vs->fmp4_init_filename) {
ret = AVERROR(ENOMEM);
goto fail;
}
if (!vs->fmp4_init_filename)
return AVERROR(ENOMEM);
} else {
vs->fmp4_init_filename = av_malloc(fmp4_init_filename_len);
if (!vs->fmp4_init_filename ) {
ret = AVERROR(ENOMEM);
goto fail;
}
if (!vs->fmp4_init_filename)
return AVERROR(ENOMEM);
av_strlcpy(vs->fmp4_init_filename, hls->fmp4_init_filename,
fmp4_init_filename_len);
if (hls->nb_varstreams > 1) {
@ -2942,17 +2926,15 @@ static int hls_init(AVFormatContext *s)
ret = append_postfix(vs->fmp4_init_filename, fmp4_init_filename_len, i);
}
if (ret < 0)
goto fail;
return ret;
}
fmp4_init_filename_len = strlen(vs->m3u8_name) +
strlen(vs->fmp4_init_filename) + 1;
vs->base_output_dirname = av_malloc(fmp4_init_filename_len);
if (!vs->base_output_dirname) {
ret = AVERROR(ENOMEM);
goto fail;
}
if (!vs->base_output_dirname)
return AVERROR(ENOMEM);
av_strlcpy(vs->base_output_dirname, vs->m3u8_name,
fmp4_init_filename_len);
@ -2970,7 +2952,7 @@ static int hls_init(AVFormatContext *s)
ret = hls->use_localtime ? sls_flag_check_duration_size(hls, vs) : sls_flag_check_duration_size_index(hls);
if (ret < 0)
goto fail;
return ret;
if (vs->has_subtitle) {
vs->vtt_oformat = av_guess_format("webvtt", NULL, NULL);
@ -2982,39 +2964,33 @@ static int hls_init(AVFormatContext *s)
vtt_basename_size = strlen(vs->m3u8_name) + strlen(vtt_pattern) + 1;
vs->vtt_basename = av_malloc(vtt_basename_size);
if (!vs->vtt_basename) {
ret = AVERROR(ENOMEM);
goto fail;
}
if (!vs->vtt_basename)
return AVERROR(ENOMEM);
av_strlcpy(vs->vtt_basename, vs->m3u8_name, vtt_basename_size);
p = strrchr(vs->vtt_basename, '.');
if (p)
*p = '\0';
if ( hls->subtitle_filename ) {
if (hls->subtitle_filename) {
ret = format_name(hls->subtitle_filename, &vs->vtt_m3u8_name, i, vs->varname);
if (ret < 0)
goto fail;
return ret;
} else {
vs->vtt_m3u8_name = av_asprintf("%s_vtt.m3u8", vs->vtt_basename);
if (!vs->vtt_m3u8_name) {
ret = AVERROR(ENOMEM);
goto fail;
}
if (!vs->vtt_m3u8_name)
return AVERROR(ENOMEM);
}
av_strlcat(vs->vtt_basename, vtt_pattern, vtt_basename_size);
}
if (hls->baseurl) {
vs->baseurl = av_strdup(hls->baseurl);
if (!vs->baseurl) {
ret = AVERROR(ENOMEM);
goto fail;
}
if (!vs->baseurl)
return AVERROR(ENOMEM);
}
if ((ret = hls_mux_init(s, vs)) < 0)
goto fail;
return ret;
if (hls->flags & HLS_APPEND_LIST) {
parse_playlist(s, vs->m3u8_name, vs);
@ -3028,10 +3004,9 @@ static int hls_init(AVFormatContext *s)
}
if ((ret = hls_start(s, vs)) < 0)
goto fail;
return ret;
}
fail:
return ret;
}
@ -3080,7 +3055,7 @@ static const AVOption options[] = {
{"independent_segments", "add EXT-X-INDEPENDENT-SEGMENTS, whenever applicable", 0, AV_OPT_TYPE_CONST, { .i64 = HLS_INDEPENDENT_SEGMENTS }, 0, UINT_MAX, E, "flags"},
{"iframes_only", "add EXT-X-I-FRAMES-ONLY, whenever applicable", 0, AV_OPT_TYPE_CONST, { .i64 = HLS_I_FRAMES_ONLY }, 0, UINT_MAX, E, "flags"},
#if FF_API_HLS_USE_LOCALTIME
{"use_localtime", "set filename expansion with strftime at segment creation(will be deprecated )", OFFSET(use_localtime), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
{"use_localtime", "set filename expansion with strftime at segment creation(will be deprecated)", OFFSET(use_localtime), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
#endif
{"strftime", "set filename expansion with strftime at segment creation", OFFSET(use_localtime), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
#if FF_API_HLS_USE_LOCALTIME