Transcoding method and apparatus

A transcoding apparatus comprising:

• one or more processors;
• and
• one or more memories storing thereon computer-readable instructions that, when executed by the one or more processors, cause the one or more processors to perform acts comprising:
• selecting a first definition and a second definition from multiple levels of definition that correspond to multiple resolutions respectively;
• determining, from the multiple resolutions, a first resolution and a second resolution that respectively correspond to the first definition and the second definition;
• transcoding a first part of content of a media file based on the first resolution and the second resolution and according to a preset transcoding rule;
• recording a first real-time quantization parameter (QP) value and a second real-time QP value that respectively correspond to the first definition and the second definition in a transcoding process;
• determining that the first real-time QP value or the second real-time QP value does not meet a preset detection rule;
• adjusting the first resolution corresponding to the first definition in response to determining that the first real-time QP value does not meet the preset detection rule or adjusting the second resolution corresponding to the second definition in response to determining that the second real-time QP value does not meet the preset detection rule;
• and
• transcoding a non-transcoded part in the media file according to an adjusted first resolution or an adjusted second resolution.

One or more memories storing thereon computer-readable instructions that, when executed by one or more processors, cause the one or more processors to perform acts comprising:

• selecting a first definition and a second definition from multiple levels of definition that correspond to multiple resolutions respectively;
• determining, from the multiple resolutions, a first resolution and a second resolution that respectively correspond to the first definition and the second definition;
• transcoding a first part of content of a media file based on the first resolution and the second resolution and according to a preset transcoding rule;
• recording a first real-time quantization parameter (QP) value and a second real-time QP value that respectively correspond to the first definition and the second definition in a transcoding process;
• determining that the first real-time QP value or the second real-time QP value doe meet a preset detection rule;
• and
• transcoding a non-transcoded part in the media file according to the first resolution and the second resolution.