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docs(samples): update captions code samples for display name and language #292

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Apr 11, 2023
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docs(samples): update captions code samples for display name and language #292

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a286cb1
feat(Transcoder): update captions code samples for display name and l…
Mar 3, 2023
44788ef
Merge branch 'main' into main
irataxy Mar 6, 2023
59642dd
Merge branch 'main' into main
irataxy Mar 17, 2023
b1380b9
Merge branch 'main' into main
irataxy Mar 30, 2023
e56f925
test bucket should be deleted
Mar 30, 2023
17b8a74
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Mar 30, 2023
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12 changes: 5 additions & 7 deletions samples/snippets/create_job_with_embedded_captions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@ def create_job_with_embedded_captions(
input_captions_uri,
output_uri,
):
"""Creates a job based on an ad-hoc job configuration that embeds captions in the output video.
"""Creates a job based on an ad-hoc job configuration that embeds closed captions in the output video.

Args:
project_id (str): The GCP project ID.
Expand Down Expand Up @@ -87,7 +87,8 @@ def create_job_with_embedded_captions(
transcoder_v1.types.ElementaryStream(
key="audio-stream0",
audio_stream=transcoder_v1.types.AudioStream(
codec="aac", bitrate_bps=64000
codec="aac",
bitrate_bps=64000,
),
),
transcoder_v1.types.ElementaryStream(
Expand All @@ -101,15 +102,12 @@ def create_job_with_embedded_captions(
input_track=0,
),
],
language_code="en-US",
display_name="English",
),
),
],
mux_streams=[
transcoder_v1.types.MuxStream(
key="sd",
container="mp4",
elementary_streams=["video-stream0", "audio-stream0"],
),
transcoder_v1.types.MuxStream(
key="sd-hls",
container="ts",
Expand Down
81 changes: 63 additions & 18 deletions samples/snippets/create_job_with_standalone_captions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,11 +14,11 @@
# See the License for the specific language governing permissions and
# limitations under the License.

"""Google Cloud Transcoder sample for creating a job that can use captions from a standalone file.
"""Google Cloud Transcoder sample for creating a job that can use subtitles from a standalone file.

Example usage:
python create_job_with_standalone_captions.py --project_id <project-id> --location <location> \
--input_video_uri <uri> --input_captions_uri <uri> --output_uri <uri>
--input_video_uri <uri> --input_subtitles1_uri <uri> --input_subtitles2_uri <uri> --output_uri <uri>
"""

# [START transcoder_create_job_with_standalone_captions]
Expand All @@ -36,17 +36,20 @@ def create_job_with_standalone_captions(
project_id,
location,
input_video_uri,
input_captions_uri,
input_subtitles1_uri,
input_subtitles2_uri,
output_uri,
):
"""Creates a job based on an ad-hoc job configuration that can use captions from a standalone file.
"""Creates a job based on an ad-hoc job configuration that can use subtitles from a standalone file.

Args:
project_id (str): The GCP project ID.
location (str): The location to start the job in.
input_video_uri (str): Uri of the input video in the Cloud Storage
bucket.
input_captions_uri (str): Uri of the input captions file in the Cloud
input_subtitles1_uri (str): Uri of an input subtitles file in the Cloud
Storage bucket.
input_subtitles2_uri (str): Uri of an input subtitles file in the Cloud
Storage bucket.
output_uri (str): Uri of the video output folder in the Cloud Storage
bucket."""
Expand All @@ -63,14 +66,18 @@ def create_job_with_standalone_captions(
uri=input_video_uri,
),
transcoder_v1.types.Input(
key="caption-input0",
uri=input_captions_uri,
key="subtitle-input-en",
uri=input_subtitles1_uri,
),
transcoder_v1.types.Input(
key="subtitle-input-es",
uri=input_subtitles2_uri,
),
],
edit_list=[
transcoder_v1.types.EditAtom(
key="atom0",
inputs=["input0", "caption-input0"],
inputs=["input0", "subtitle-input-en", "subtitle-input-es"],
),
],
elementary_streams=[
Expand All @@ -88,18 +95,34 @@ def create_job_with_standalone_captions(
transcoder_v1.types.ElementaryStream(
key="audio-stream0",
audio_stream=transcoder_v1.types.AudioStream(
codec="aac", bitrate_bps=64000
codec="aac",
bitrate_bps=64000,
),
),
transcoder_v1.types.ElementaryStream(
key="vtt-stream-en",
text_stream=transcoder_v1.types.TextStream(
codec="webvtt",
language_code="en-US",
display_name="English",
mapping_=[
transcoder_v1.types.TextStream.TextMapping(
atom_key="atom0",
input_key="subtitle-input-en",
),
],
),
),
transcoder_v1.types.ElementaryStream(
key="vtt-stream0",
key="vtt-stream-es",
text_stream=transcoder_v1.types.TextStream(
codec="webvtt",
language_code="es-ES",
display_name="Spanish",
mapping_=[
transcoder_v1.types.TextStream.TextMapping(
atom_key="atom0",
input_key="caption-input0",
input_track=0,
input_key="subtitle-input-es",
),
],
),
Expand All @@ -117,9 +140,20 @@ def create_job_with_standalone_captions(
elementary_streams=["audio-stream0"],
),
transcoder_v1.types.MuxStream(
key="text-vtt",
key="text-vtt-en",
container="vtt",
elementary_streams=["vtt-stream0"],
elementary_streams=["vtt-stream-en"],
segment_settings=transcoder_v1.types.SegmentSettings(
segment_duration=duration.Duration(
seconds=6,
),
individual_segments=True,
),
),
transcoder_v1.types.MuxStream(
key="text-vtt-es",
container="vtt",
elementary_streams=["vtt-stream-es"],
segment_settings=transcoder_v1.types.SegmentSettings(
segment_duration=duration.Duration(
seconds=6,
Expand All @@ -132,7 +166,12 @@ def create_job_with_standalone_captions(
transcoder_v1.types.Manifest(
file_name="manifest.m3u8",
type_="HLS",
mux_streams=["sd-hls-fmp4", "audio-hls-fmp4", "text-vtt"],
mux_streams=[
"sd-hls-fmp4",
"audio-hls-fmp4",
"text-vtt-en",
"text-vtt-es",
],
),
],
)
Expand All @@ -157,8 +196,13 @@ def create_job_with_standalone_captions(
required=True,
)
parser.add_argument(
"--input_captions_uri",
help="Uri of the input captions file in the Cloud Storage bucket.",
"--input_subtitles1_uri",
help="Uri of an input subtitles file in the Cloud Storage bucket.",
required=True,
)
parser.add_argument(
"--input_subtitles2_uri",
help="Uri of an input subtitles file in the Cloud Storage bucket.",
required=True,
)
parser.add_argument(
Expand All @@ -172,6 +216,7 @@ def create_job_with_standalone_captions(
args.project_id,
args.location,
args.input_video_uri,
args.input_captions_uri,
args.input_subtitles1_uri,
args.input_subtitles2_uri,
args.output_uri,
)
9 changes: 7 additions & 2 deletions samples/snippets/job_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -49,13 +49,17 @@
test_overlay_image_file_name = "overlay.jpg"
test_concat1_file_name = "ForBiggerEscapes.mp4"
test_concat2_file_name = "ForBiggerJoyrides.mp4"
test_captions_file_name = "caption.srt"
test_captions_file_name = "captions.srt"
test_subtitles1_file_name = "subtitles-en.srt"
test_subtitles2_file_name = "subtitles-es.srt"

input_uri = f"gs://{input_bucket_name}{test_video_file_name}"
overlay_image_uri = f"gs://{input_bucket_name}{test_overlay_image_file_name}"
concat1_uri = f"gs://{input_bucket_name}{test_concat1_file_name}"
concat2_uri = f"gs://{input_bucket_name}{test_concat2_file_name}"
captions_uri = f"gs://{input_bucket_name}{test_captions_file_name}"
subtitles1_uri = f"gs://{input_bucket_name}{test_subtitles1_file_name}"
subtitles2_uri = f"gs://{input_bucket_name}{test_subtitles2_file_name}"
output_uri_for_preset = f"gs://{output_bucket_name}/test-output-preset/"
output_uri_for_template = f"gs://{output_bucket_name}/test-output-template/"
output_uri_for_adhoc = f"gs://{output_bucket_name}/test-output-adhoc/"
Expand Down Expand Up @@ -452,7 +456,8 @@ def test_create_job_with_standalone_captions(capsys, test_bucket):
project_id,
location,
input_uri,
captions_uri,
subtitles1_uri,
subtitles2_uri,
output_uri_for_standalone_captions,
)
out, _ = capsys.readouterr()
Expand Down