AVCodec Supported Formats
Media Codec
Video Decoding
Currently, the following decoding capabilities are supported:
| Video Hardware Decoding Type | Video Software Decoding Type |
|---|---|
| AVC (H.264), HEVC (H.265) | MPEG2, MPEG4, H.263, AVC (H.264) |
Video software decoding and hardware decoding are different. When a decoder is created based on the MIME type, only MPEG2 (OH_AVCODEC_MIMETYPE_VIDEO_MPEG2), MPEG4 (OH_AVCODEC_MIMETYPE_VIDEO_MPEG4_PART2), H.263 (OH_AVCODEC_MIMETYPE_VIDEO_H263), and H.264 (OH_AVCODEC_MIMETYPE_VIDEO_AVC) are supported for software decoding, and H.264 (OH_AVCODEC_MIMETYPE_VIDEO_AVC) and H.265 (OH_AVCODEC_MIMETYPE_VIDEO_HEVC) can be used for hardware decoding as long as they are supported by the hardware platform.
For details about the range of each decoding capability, see Obtaining Supported Codecs.
For details about the development guide, see Video Decoding.
Video Encoding
Currently, the following encoding capabilities are supported:
| Video Encoding Type |
|---|
| HEVC (H.265), AVC (H.264) |
Only hardware encoding is supported. When an encoder is created based on the MIME type, H.264 (OH_AVCODEC_MIMETYPE_VIDEO_AVC) and H.265 (OH_AVCODEC_MIMETYPE_VIDEO_HEVC) are supported.
For details about the range of each encoding capability, see Obtaining Supported Codecs.
For details about the development guide, see Video Encoding.
Audio Decoding
Currently, the following decoding capabilities are supported:
AAC, MPEG (MP3), FLAC, Vorbis, AMR (AMR-NB and AMR-WB), G.711Mu, APE
For details about the development guide, see Audio Decoding.
Audio Encoding
Currently, the following encoding capabilities are supported:
AAC, FLAC, MP3, G.711Mu
For details about the development guide, see Audio Encoding.
Media Data Multiplexing and Demultiplexing
Media Data Demultiplexing
The following formats are supported:
| Media Format | Container Format | Stream Format |
|---|---|---|
| Audio/Video | mp4 | Video stream: AVC (H.264) and MPEG4; audio stream: AAC and MPEG (MP3); subtitle stream: WEBVTT |
| Audio/Video | fmp4 | Video stream: AVC (H.264); audio stream: AAC and MPEG (MP3) |
| Audio/Video | mkv | Video stream: AVC (H.264); audio stream: AAC, MPEG (MP3), and OPUS |
| Audio/Video | mpeg-ts | Video stream: AVC (H.264), MPEG2, and MPEG4; audio stream: AAC and MPEG (MP3) |
| Audio/Video | flv | Video stream: AVC (H.264); audio stream: AAC |
| Audio/Video | mpeg-ps | Video stream: AVC (H.264) and MPEG2; audio stream: MPEG (MP2 and MP3) |
| Audio/Video | avi | Video stream: H.263, AVC (H.264), MPEG2, and MPEG4; audio stream: AAC, MPEG (MP2 and MP3), and PCM |
| Audio | m4a | Audio stream: AAC |
| Audio | aac | Audio stream: AAC |
| Audio | mp3 | Audio stream: MPEG (MP3) |
| Audio | ogg | Audio stream: Vorbis |
| Audio | flac | Audio stream: FLAC |
| Audio | wav | Audio stream: PCM and G.711Mu |
| Audio | amr | Audio stream: AMR (AMR-NB and AMR-WB) |
| Audio | ape | Audio stream: APE |
| External subtitle | srt | Subtitle stream: SRT |
| External subtitle | webvtt | Subtitle stream: WEBVTT |
The DRM demultiplexing capability supports the following formats: mp4 (H.264 and AAC) and mpeg-ts (H.264 and AAC).
For details about the development guide, see Media Data Demultiplexing.
Media Data Multiplexing
Currently, the following muxer capabilities are supported:
| Container Format | Video Codec Type | Audio Codec Type | Cover Type |
|---|---|---|---|
| mp4 | AVC (H.264) | AAC, MPEG (MP3) | jpeg, png, bmp |
| m4a | - | AAC | jpeg, png, bmp |
| mp3 | - | MPEG (MP3) | - |
| amr | - | AMR (AMR-NB and AMR-WB) | - |
| wav | - | G711mu (pcm-mulaw) | - |
| aac | - | AAC | - |
NOTE
- When the container format is MP4 and the audio codec type is MPEG (MP3), the sampling rate must be greater than or equal to 16000 Hz.
- When the container format is MP4 or M4A and the audio codec type is AAC, the number of audio channels ranges from 1 to 7.
Key values of configuration options are described as follows:
mp4 container format
| key | Description | aac | mp3 | H.264 | H.265 | jpg | png | bmp |
|---|---|---|---|---|---|---|---|---|
| OH_MD_KEY_AUD_SAMPLE_RATE | Sampling rate | Mandatory | Mandatory | - | - | - | - | - |
| OH_MD_KEY_AUD_CHANNEL_COUNT | Number of audio channels | Mandatory | Mandatory | - | - | - | - | - |
| OH_MD_KEY_AUDIO_SAMPLE_FORMAT | Output audio stream format | Optional | Optional | - | - | - | - | - |
| OH_MD_KEY_CHANNEL_LAYOUT | Channel layout | Optional | Optional | - | - | - | - | - |
| OH_MD_KEY_PROFILE | Encoding profile | Optional | - | - | - | - | - | - |
| OH_MD_KEY_BITRATE | Bit rate | Optional | Optional | Optional | Optional | - | - | - |
| OH_MD_KEY_CODEC_CONFIG | Codec-specific data | Optional | - | Optional | Optional | - | - | - |
| OH_MD_KEY_WIDTH | Width | - | - | Mandatory | Mandatory | Mandatory | Mandatory | Mandatory |
| OH_MD_KEY_HEIGHT | Height | - | - | Mandatory | Mandatory | Mandatory | Mandatory | Mandatory |
| OH_MD_KEY_FRAME_RATE | Video stream frame rate | - | - | Optional | Optional | - | - | - |
| OH_MD_KEY_COLOR_PRIMARIES | Video color gamut | - | - | Optional | Optional | - | - | - |
| OH_MD_KEY_TRANSFER_CHARACTERISTICS | Video transfer function | - | - | Optional | Optional | - | - | - |
| OH_MD_KEY_MATRIX_COEFFICIENTS | Video matrix coefficient | - | - | Optional | Optional | - | - | - |
| OH_MD_KEY_RANGE_FLAG | Value range flag | - | - | Optional | Optional | - | - | - |
| OH_MD_KEY_VIDEO_IS_HDR_VIVID | Whether the video track is an HDR Vivid | - | - | - | Optional | - | - | - |
m4a container format
| key | Description | aac | jpg | png | bmp |
|---|---|---|---|---|---|
| OH_MD_KEY_AUD_SAMPLE_RATE | Sampling rate | Mandatory | - | - | - |
| OH_MD_KEY_AUD_CHANNEL_COUNT | Number of audio channels | Mandatory | - | - | - |
| OH_MD_KEY_AUDIO_SAMPLE_FORMAT | Output audio stream format | Optional | - | - | - |
| OH_MD_KEY_CHANNEL_LAYOUT | Channel layout | Optional | - | - | - |
| OH_MD_KEY_PROFILE | Encoding profile | Optional | - | - | - |
| OH_MD_KEY_BITRATE | Bit rate | Optional | - | - | - |
| OH_MD_KEY_CODEC_CONFIG | Codec-specific data | Optional | - | - | - |
| OH_MD_KEY_WIDTH | Width | - | Mandatory | Mandatory | Mandatory |
| OH_MD_KEY_HEIGHT | Height | - | Mandatory | Mandatory | Mandatory |
amr container format
| key | Description | amr_nb | amr_wb |
|---|---|---|---|
| OH_MD_KEY_AUD_SAMPLE_RATE | Sampling rate | Mandatory | Mandatory |
| OH_MD_KEY_AUD_CHANNEL_COUNT | Number of audio channels | Mandatory | Mandatory |
| OH_MD_KEY_AUDIO_SAMPLE_FORMAT | Output audio stream format | Optional | Optional |
| OH_MD_KEY_CHANNEL_LAYOUT | Channel layout | Optional | Optional |
| OH_MD_KEY_BITRATE | Bit rate | Optional | Optional |
mp3 container format
| key | Description | mp3 | jpg |
|---|---|---|---|
| OH_MD_KEY_AUD_SAMPLE_RATE | Sampling rate | Mandatory | - |
| OH_MD_KEY_AUD_CHANNEL_COUNT | Number of audio channels | Mandatory | - |
| OH_MD_KEY_AUDIO_SAMPLE_FORMAT | Output audio stream format | Optional | - |
| OH_MD_KEY_CHANNEL_LAYOUT | Channel layout | Optional | - |
| OH_MD_KEY_BITRATE | Bit rate | Optional | - |
| OH_MD_KEY_WIDTH | Width | - | Mandatory |
| OH_MD_KEY_HEIGHT | Height | - | Mandatory |
wav container format
| key | Description | g711mu |
|---|---|---|
| OH_MD_KEY_AUD_SAMPLE_RATE | Sampling rate | Mandatory |
| OH_MD_KEY_AUD_CHANNEL_COUNT | Number of audio channels | Mandatory |
| OH_MD_KEY_AUDIO_SAMPLE_FORMAT | Output audio stream format | Optional |
| OH_MD_KEY_CHANNEL_LAYOUT | Channel layout | Optional |
| OH_MD_KEY_BITRATE | Bit rate | Mandatory |
aac container format
| key | Description | aac |
|---|---|---|
| OH_MD_KEY_AUD_SAMPLE_RATE | Sampling rate | Mandatory |
| OH_MD_KEY_AUD_CHANNEL_COUNT | Number of audio channels | Mandatory |
| OH_MD_KEY_AUDIO_SAMPLE_FORMAT | Output audio stream format | Optional |
| OH_MD_KEY_CHANNEL_LAYOUT | Channel layout | Optional |
| OH_MD_KEY_BITRATE | Bit rate | Optional |
| OH_MD_KEY_PROFILE | Encoding profile | Mandatory |
| OH_MD_KEY_AAC_IS_ADTS | Whether the format is ADTS | Mandatory |
For details about the development guide, see Media Data Multiplexing.
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