[FFmpeg-devel,v3] avformat/hlsenc: fix hls fmp4 extention name bug

ticket-id: #6541
when use hls fmp4 muxer, the extention name is not .m4s, this
code can fix it.

Found-by: JohnPi
Signed-off-by: Steven Liu <lq@onvideo.cn>
---
 libavformat/hlsenc.c | 47 +++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 41 insertions(+), 6 deletions(-)

2017-07-21 23:33 GMT+08:00 Steven Liu <lq@chinaffmpeg.org>:
> ticket-id: #6541
> when use hls fmp4 muxer, the extention name is not .m4s, this
> code can fix it.
>
> Found-by: JohnPi
> Signed-off-by: Steven Liu <lq@onvideo.cn>
> ---
>  libavformat/hlsenc.c | 47 +++++++++++++++++++++++++++++++++++++++++------
>  1 file changed, 41 insertions(+), 6 deletions(-)
>
> diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
> index 8a233270b5..b0625dc9d4 100644
> --- a/libavformat/hlsenc.c
> +++ b/libavformat/hlsenc.c
> @@ -147,6 +147,7 @@ typedef struct HLSContext {
>      HLSSegment *old_segments;
>
>      char *basename;
> +    char *base_output_dirname;
>      char *vtt_basename;
>      char *vtt_m3u8_name;
>      char *baseurl;
> @@ -584,7 +585,7 @@ static int hls_mux_init(AVFormatContext *s)
>
>      if (hls->segment_type == SEGMENT_TYPE_FMP4) {
>          hls->fmp4_init_mode = 1;
> -        if ((ret = s->io_open(s, &oc->pb, hls->fmp4_init_filename, AVIO_FLAG_WRITE, NULL)) < 0) {
> +        if ((ret = s->io_open(s, &oc->pb, hls->base_output_dirname, AVIO_FLAG_WRITE, NULL)) < 0) {
>              av_log(s, AV_LOG_ERROR, "Failed to open segment '%s'\n", hls->fmp4_init_filename);
>              return ret;
>          }
> @@ -1286,14 +1287,19 @@ fail:
>      return err;
>  }
>
> -static const char * get_default_pattern_localtime_fmt(void)
> +static const char * get_default_pattern_localtime_fmt(AVFormatContext *s)
>  {
>      char b[21];
>      time_t t = time(NULL);
>      struct tm *p, tmbuf;
> +    HLSContext *hls = s->priv_data;
> +
>      p = localtime_r(&t, &tmbuf);
>      // no %s support when strftime returned error or left format string unchanged
>      // also no %s support on MSVC, which invokes the invalid parameter handler on unsupported format strings, instead of returning an error
> +    if (hls->segment_type == SEGMENT_TYPE_FMP4) {
> +        return (HAVE_LIBC_MSVCRT || !strftime(b, sizeof(b), "%s", p) || !strcmp(b, "%s")) ? "-%Y%m%d%H%M%S.m4s" : "-%s.m4s";
> +    }
>      return (HAVE_LIBC_MSVCRT || !strftime(b, sizeof(b), "%s", p) || !strcmp(b, "%s")) ? "-%Y%m%d%H%M%S.ts" : "-%s.ts";
>  }
>
> @@ -1303,16 +1309,19 @@ static int hls_write_header(AVFormatContext *s)
>      int ret, i;
>      char *p;
>      const char *pattern = "%d.ts";
> -    const char *pattern_localtime_fmt = get_default_pattern_localtime_fmt();
> +    const char *pattern_localtime_fmt = get_default_pattern_localtime_fmt(s);
>      const char *vtt_pattern = "%d.vtt";
>      AVDictionary *options = NULL;
>      int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
>      int basename_size;
>      int vtt_basename_size;
>
> -    if (hls->segment_type == SEGMENT_TYPE_FMP4 && byterange_mode) {
> -        av_log(s, AV_LOG_WARNING, "Have not support fmp4 byterange mode yet now\n");
> -        return AVERROR_PATCHWELCOME;
> +    if (hls->segment_type == SEGMENT_TYPE_FMP4) {
> +        if (byterange_mode) {
> +            av_log(s, AV_LOG_WARNING, "Have not support fmp4 byterange mode yet now\n");
> +            return AVERROR_PATCHWELCOME;
> +        }
> +        pattern = "%d.m4s";
>      }
>      if ((hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_SECONDS_SINCE_EPOCH) ||
>          (hls->start_sequence_source_type == HLS_START_SEQUENCE_AS_FORMATTED_DATETIME)) {
> @@ -1412,6 +1421,31 @@ 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);
> +        } 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);
> +            }
> +        }
>      }
>      if (!hls->use_localtime) {
>          ret = sls_flag_check_duration_size_index(hls);
> @@ -1686,6 +1720,7 @@ static int hls_write_trailer(struct AVFormatContext *s)
>          ff_format_io_close(s, &vtt_oc->pb);
>      }
>      av_freep(&hls->basename);
> +    av_freep(&hls->base_output_dirname);
>      av_freep(&hls->key_basename);
>      avformat_free_context(oc);
>
> --
> 2.11.0 (Apple Git-81)
>
>
>
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Pushed!


Thanks