Subtitle display method and subtitle display device

1. A subtitle display method, comprising:

receiving a subtitle file;

obtaining a category label of the subtitle file by means of parsing, wherein the category label comprises category content;

presenting, on a display device in an interactive graphic manner, the category content for a user to perform selection;

receiving a result of selecting one or more pieces of the category content by the user to form a selected category content; and

displaying, according to the result of selecting, subtitles for which an attribute value of a category attribute is the selected category content by:

determining whether the category attribute exists in each subtitle line of the subtitles;

determining whether the attribute value of the category attribute is the category content selected by the user when the category attribute exists in each subtitle line; and

displaying each subtitle line for which the attribute value of the category attribute is the selected category content when the attribute value of the category attribute is the category content selected by the user.

2. The method according to claim 1 , further comprising displaying subtitles that exclude the category attribute.

3. The method according to claim 2 , wherein displaying the subtitles that exclude the category attribute comprises:

determining whether the category attribute exists in each subtitle line of the subtitles; and

displaying each subtitle line that excludes the category attribute when the category attribute is absent from each subtitle line.

4. The method according to claim 1 , wherein for Timed Text Markup Language (TTML) subtitles, the category label is a nesting label comprising a level 1 label and a level 2 label, wherein the level 1 label comprises a multiselect multiple attribute, wherein the level 2 label comprises the category content, wherein multiple pieces of the category content are selected by default when the multiple is true and when the category content is presented on the display device, and wherein one piece of the category content is selected by default when the multiple is false and when the category content is presented on the display device.

5. The method according to claim 4 , wherein the level 2 label further comprises a selected attribute by default selected attribute, and wherein the category content corresponding to the selected attribute is selected by default when the selected is true and when the category content is presented on the display device.

6. The method according to claim 4 , wherein category content comprised in all of the level 2 labels is selected by default when all of the level 2 labels exclude a selected attribute and when the multiple is true and when the category content is presented on the display device, and wherein category content comprised in a first one of the level 2 labels is selected by default when the multiple is false and when the category content is presented on the display device.

7. The method according to claim 1 , wherein for SubRip Text (SRT) subtitles, the category label further comprises a selected attribute, wherein the category content corresponding to the selected attribute is selected by default when the selected is true and when the category content is presented on the display device.

8. A subtitle display device, comprising:

a receiver configured to receive a subtitle file;

a processor coupled to a memory and configured to:

parse a category label of the subtitle file obtain a category label of the subtitle file by means of parsing the subtitle file received by the receiver, wherein the category label comprises category content;

present, on the subtitle display device in an interactive graphic manner, the category content obtained by parsing, for a user to perform selection; and

a display coupled to the processor and configured to:

receive a result of selecting one or more pieces of the category content by the user to form a selected category content; and

display, according to the result of selecting, subtitles for which an attribute value of a category attribute is the selected category content,

wherein for each subtitle line of the subtitles, the display is configured to:

determine whether the category attribute exists in each subtitle line;

determine whether the attribute value of the category attribute is the category content selected by the user when the category attribute exists in each subtitle line; and

display each subtitle line for which the attribute value of the category attribute is the selected category content when the attribute value of the category attribute is the category content selected by the user.

9. The subtitle display device according to claim 8 , wherein the display is further configured to display the subtitles that exclude the category attribute.

10. The subtitle display device according to claim 9 , wherein for each subtitle line of the subtitles, the display is further configured to:

determine whether the category attribute exists in each subtitle line; and

display each subtitle line that excludes the category attribute when the category attribute is absent from each subtitle line.

11. The subtitle display device according to claim 8 , wherein for Timed Text Markup Language (TTML) subtitles, the category label parsed by the processor is a nesting label, and the nesting label comprises a level 1 label and a level 2 label; and the level 1 label comprises a multiselect multiple attribute, and the level 2 label comprises the category content, wherein the processor is further configured to:

select by default multiple pieces of the category content when the multiple is true and when the category content is presented on the subtitle display device; and

select by default one piece of the category content when the multiple is false and when the category content is presented on the subtitle display device.

12. The subtitle display device according to claim 11 , wherein when the level 2 label of the category label parsed by the processor further comprises a selected attribute by default selected attribute, the processor is further configured to select by default the category content corresponding to the selected attribute when the selected is true and when the category content is presented on the subtitle display device.

13. The subtitle display device according to claim 11 , wherein when all level 2 labels of the category label parsed by the processor exclude a selected attribute, the processor is further configured to:

select by default category content comprised in all of the level 2 labels when the multiple is true and when the category content is presented on the subtitle display device; and

select by default category content comprised in a first one of the level 2 labels when the multiple is false and when the category content is presented on the subtitle display device.

14. The subtitle display device according to claim 8 , wherein for SubRip Text (SRT) subtitles, the category label parsed by the processor comprises a selected attribute, and wherein the processor is further configured to select by default the category content corresponding to the selected attribute when the selected is true and when the category content is presented on the subtitle display device.